This maintenance guide comes from years of hands-on customer support for robot vacuum owners, now published here for anyone to use rather than kept inside one support inbox. Several of the models and parts named below link out to Plus.Parts®, the maintenance parts store run by the same company behind this site, and that is also where much of the experience behind this guide comes from.
The i-Rova KK8 is a compact entry-level robot vacuum built on a 300 mm round chassis. The i-Rova KK8
uses a V3 brushed motor, a bristleless direct-suction inlet, a single foam-backed HEPA filter, left and right three-spoke directional side brushes, and a 0.4 litre rear-access dust bin, with front bumper collision sensors, cliff and stair-drop detection, and selectable Auto, Spot and Edge cleaning modes operated from an onboard touch panel. This guide covers the complete maintenance schedule for the i-Rova KK8 and a detailed explanation of what each service task achieves on the KK8 platform.
Why i-Rova KK8 series robots need more frequent maintenance
A brushed motor operates with limited suction reserve
The V3 brushed motor at the core of the i-Rova KK8 produces working suction in the region of 500 Pa (0.5 kPa), per i-Rova’s own published specification. Under clean operating conditions and on hard floors or low-pile carpet, that output is adequate to draw debris from floor surfaces and hold it through the bristleless inlet into the dust bin. The constraint lies in the motor’s headroom: a platform with substantially higher rated suction can sustain useful pick-up even as filter resistance climbs through a session, because the initial output is sufficient to compensate for partial clogging without visible performance loss. At around 500 Pa, no such headroom exists. A filter that has absorbed a moderate quantity of fine household dust during a single session can increase back-pressure enough to degrade pick-up quality before the session is complete. Debris that would be held against the inlet and drawn into the bin at full airflow escapes back onto the floor once motor output falls below the threshold required to suspend it. Keeping filter resistance low is therefore not an optional refinement on the i-Rova KK8; it is a precondition for every session producing the result the machine is designed to achieve.
A 0.4 litre bin with no full-bin detection
The dust bin fitted to the i-Rova KK8 holds 0.4 litres, which is a practical capacity for a 300 mm chassis of this generation. The machine incorporates no full-bin sensor and no logic to halt or modify the session when capacity is reached. Once the bin is full the robot continues navigating and attempting to collect, but the debris it picks up has nowhere to travel inside the bin and is instead carried through the suction path and ejected back onto the floor via the exhaust. The practical effect is a robot that appears to be cleaning normally but is recycling material across previously cleaned surfaces for the latter portion of every session.
Long hair and pet fur compound this problem by their tendency to compact into a dense plug at the inlet slot before the bin body reaches its volume limit. A compacted inlet restricts airflow in a way that is functionally identical to a blocked filter: suction drops, pick-up degrades, and the motor draws increased current attempting to compensate. Because the restriction is at the inlet rather than the filter, replacing the filter alone does not resolve the symptom, and owners unfamiliar with the platform sometimes attribute the decline to motor failure. Emptying the bin after every session and clearing the inlet slot with a narrow implement removes both the compaction risk and the volume-limit risk before they have the opportunity to accumulate across multiple runs.
Bristleless direct suction relies entirely on airflow for debris transfer
The i-Rova KK8 uses a bristleless direct-suction inlet. There is no rotating main brush in the cleaning channel. Debris is drawn from the floor surface through a wide rectangular slot by motor airflow alone. The advantage of this design is the elimination of the hair-wrap problem associated with brush-roll platforms: long hair and thread pass through the inlet without entangling around a rotating shaft. The trade-off is that everything the machine collects must be lifted from the floor surface by airflow without any mechanical agitation to assist the transfer. On a brush-roll machine, a filter that is partially loaded still produces reasonable results because the rotating brush physically throws debris into the airstream regardless of how much suction the motor is generating. On the i-Rova KK8, the moment filter resistance reduces airflow below the level required to lift debris off the floor, collection stops regardless of how much motor effort is being applied. The side brushes are the only mechanical components contributing to cleaning effectiveness; they sweep debris laterally inward toward the suction slot, but once it reaches the slot it depends entirely on airflow to enter the bin. Filter maintenance and inlet slot maintenance therefore translate more directly into cleaning effectiveness on the i-Rova KK8 than on any brush-roll platform of comparable output.
Bumper-based collision detection concentrates wear near obstacles
The i-Rova KK8 navigates using front bumper and collision sensors that trigger a slow-down and change of direction on contact with furniture, skirting boards, or walls, combined with cliff and stair-drop detection at the front edge, documented to react to gaps greater than 50 mm, and a touch panel offering selectable Auto, Spot and Edge cleaning modes. It carries no LiDAR, no camera, and no floor-mapping algorithm. In Auto mode, coverage is probabilistic rather than planned: in any given session some zones receive multiple passes while others may be visited only once or not at all. This navigation architecture has implications for component wear that are worth understanding from a maintenance perspective. The side brushes spend a disproportionate share of their working time in close-contact sweeping around furniture legs and in narrow corridors, where the robot repeatedly makes contact, changes direction, and re-enters the same geometric area before moving elsewhere. In open rooms, longer straight traversals reduce the proportion of time in tight-turn brushing. The L and R brushes therefore accumulate wear at different rates depending on the room geometry where the machine runs most frequently. Similarly, the cliff and stair-drop sensors at the front skirt accumulate dust at different rates depending on which sensors face toward walls and skirting boards most of the time during a typical session. Monthly sensor cleaning and regular inspection of both side brushes account for this asymmetric wear pattern and prevent the gradual drift in navigation behaviour and brush effectiveness that builds unnoticed across dozens of sessions.
Models in this series compared
| Model | Suction | Main brush | Mop | Navigation |
|---|---|---|---|---|
| i-Rova KK8 |
Approx. 500 Pa (0.5 kPa) | Bristleless direct suction | Dry mop pad included (accessory only, not covered by this Maintenance Set) | Bumper collision sensors, cliff and stair-drop detection, no mapping |
i-Rova KK8: the single model in the series
The i-Rova KK8 is the sole model in this series. It occupies the entry tier of the robot vacuum category with a design philosophy centred on reliable autonomous floor cleaning through a simple, low-component-count architecture. The 300 mm round chassis, the V3 brushed motor, the bristleless inlet, the 0.4 litre bin, and the directional side-brush pair together keep the parts list short, and the maintenance routine is entirely predictable once the platform’s requirements are understood. The machine ships with a remote control and returns automatically to its charging dock at the end of a session or when the battery runs low, and owners can set a daily scheduled start time from the touch panel or the remote so the robot begins a cleaning session at the same time each day without manual intervention.
Replacement parts and service intervals
HEPA filter
The i-Rova KK8 uses a single foam-backed sponge HEPA filter seated inside the dust bin housing. The filter is the component with the greatest influence on day-to-day cleaning performance, because the bristleless inlet provides no mechanical assistance to compensate for reduced airflow when the filter begins to load. In a standard household with daily sessions, the filter should be tapped clean over an outdoor or utility bin once a week and replaced every six to eight weeks. In a home with cats, dogs, or occupants with respiratory conditions, replacement every four to six weeks is recommended regardless of the filter’s visual appearance. Fine particulate matter, dander, and allergen particles embed themselves deep in the foam substrate and cannot be removed by tapping alone. A filter that looks pale and usable after three weeks in a pet household has typically already exceeded its effective service life for allergen retention.
To remove the filter, press the rear release tab to detach the dust bin, open the bin door, press the filter release catch, and lift the filter clear. Tap it firmly against the inside wall of a bin to dislodge accumulated dust. Do not wash the filter with water. The foam backing material on the V3 filter is not rated for saturation. Wetting degrades the foam structure permanently and reduces both filtration efficiency and airflow after drying. A filter that has been wetted and dried will pass dust and fine grit through the foam at a higher rate than a dry filter of the same age, sending that material across the motor windings on every subsequent session. Replace the filter when it remains discoloured after tapping, or when suction does not recover to normal levels after filter maintenance combined with inlet slot clearing and bin emptying. When fitting a new filter, press it flush on all four edges before closing the bin door to ensure the foam seats fully against the bin walls. An imperfect seal allows air to bypass the filter through the gap and reach the motor without passing through the filtration medium. A dedicated filter product page is not yet listed separately for the i-Rova KK8, so the link above points to the full Maintenance Set, which includes the filter as one of its components.
Side brushes
The i-Rova KK8 uses left and right three-spoke directional side brushes mounted on the chassis underside, each marked with an L or R directional indicator that corresponds to a matching letter in the mounting recess. The two brushes rotate in opposite directions relative to one another, with each sweeping debris inward from its respective side toward the suction slot at the centre of the chassis. Correct directional assignment is essential. Fitting an L brush in the R recess reverses the rotation direction of that brush, which causes it to sweep debris outward away from the inlet rather than inward toward it. The mechanical result is reduced edge cleaning and debris scattered away from the machine during operation rather than collected. This symptom is easy to overlook because it resembles normal brush wear in its presentation, and it will not resolve through any maintenance task other than correcting the brush assignment. Always confirm the letter on each brush base at every replacement before securing the mounting screw.
Inspect both side brushes weekly for hair wrap at the base of the bristle spokes, particularly at the point where each spoke meets the central hub. Hair that accumulates close to the mounting pin compresses under continued rotation and generates increasing load on the pin and on the drive shaft beneath it. Use scissors or a seam ripper to cut any wrapped loops free before they can tighten further. Replace both brushes as a matched pair every three to four months with daily use, or when any spoke shows deformation of two to three millimetres that does not recover after a session on a clean floor. Replacing only one brush at a time creates a disparity in bristle length between the L and R sides, which produces asymmetric debris sweeping and typically results in the newer brush wearing faster than it should because it is making heavier contact with the floor to compensate for the shorter spokes on the worn brush opposite it. The i-Rova KK8 does not yet have the side brushes listed as a standalone item, so the link above leads to the full Maintenance Set, which includes the matched pair.
Dust bin
The 0.4 litre rear-access dust bin on the i-Rova KK8 should be emptied after every cleaning session. Even when the floor appears clean before the run, each session draws a measurable volume of fine dust, skin cells, and airborne particulate matter from floor surfaces and textile pile that is not visible to the naked eye. Allowing this material to accumulate across several sessions without emptying compacts it into a sediment layer at the base of the bin. As the layer builds, it encroaches on the inlet connection slot at the base, restricting airflow in a way that presents identically to a clogged filter or a blocked inlet slot. All three of these potential restriction points must be free from obstruction at the same time for the platform to operate at its rated output.
Every two to four weeks, wash the bin body with warm water and a small quantity of washing-up liquid, rinse thoroughly, and allow it to air dry completely before reinserting it into the machine. Refitting a damp bin creates conditions for fine dust to cake on the interior walls as the motor exhaust draws warm air through the bin cavity during the session. Caked deposits narrow the usable bin volume over time and produce odours during subsequent runs that indicate bacterial activity on the moist debris film. If the bin develops a persistent smell after regular washing, the inlet slot at the base is likely to contain a compacted fibrous plug that washing water does not dislodge. Probe the slot with a toothpick or folded card to confirm it is clear before refitting.
Suction inlet slot
The rectangular suction inlet slot on the underside of the i-Rova KK8 connects the floor surface to the bin cavity and is the point through which all collected debris must pass. Hair, thread, and fibrous material accumulate in the lateral corners of this slot over time. Because the slot narrows slightly where it connects to the bin cavity, fibrous debris builds plugs at this narrowing point across sessions rather than passing through cleanly. A plugged inlet slot produces suction loss that is functionally indistinguishable from a loaded filter: the motor continues running at normal speed and the robot continues navigating normally, but the airflow available at the floor surface is insufficient to lift debris into the collection path. The symptom resolves within seconds once the slot is cleared, regardless of how long it has been developing.
Use a toothpick, folded stiff card, or a narrow implement to scrape the lateral corners and the connection narrowing clear every time the bin is emptied. Because there is no main brush roll to remove for access, the inlet slot is always directly visible when the bin is out of the machine. The entire clearing operation takes under thirty seconds. Performing it consistently prevents the progressive airflow restriction that would otherwise build silently across dozens of sessions, and it confirms at each bin-emptying that the collection path is clear from the floor surface through to the bin cavity before the next session begins.
Castor wheel and drive wheels
The front castor wheel on the i-Rova KK8 sits in a removable mount that pulls free of its housing without any tools. Hair and thread accumulate in the gap between the wheel body and the axle housing at a rate that varies significantly by household. In a home with short-haired occupants and no pets, the castor may need attention only monthly. In a home with multiple long-haired occupants or dogs and cats, fortnightly clearing is appropriate. A castor wheel packed with hair loses its free swivel range progressively. The practical consequence is that the robot executes turns using the drive wheels alone rather than pivoting cleanly on all three contact points, which concentrates coverage time in a narrower turning arc near walls and furniture than the collision-triggered pattern would otherwise produce, and which increases load on the drive motors.
The rubber tread on the drive wheels ages gradually with daily use. After two to three years, the tread typically develops surface cracking that reduces grip on smooth hard floors. Cracked tread causes wheel slip during turns and straight-line traversal on polished surfaces. Wheel slip during a contact-triggered direction change means the robot completes less of the turn than intended, so it repeats the corrective movement and produces a tighter, more erratic pattern than normal. If grip loss on smooth floors is observed after the castor has been cleared of hair accumulation and the cliff sensors have been cleaned, inspect the drive-wheel tread. Cracking visible to the eye indicates the tread has reached end of service and the affected wheel should be replaced.
Cliff sensors
Cliff and stair-drop sensors are mounted in the front skirt of the i-Rova KK8, pointing downward to detect floor surface discontinuities and trigger the reversal response before the machine reaches a stair edge or drop; the sensors are documented to react to gaps greater than 50 mm. Dust accumulates on both the emitter lenses and the receiver windows over time, attenuating the outgoing signal and reducing the strength of the signal reflected back from the floor. As signal strength falls, the sensor’s ability to distinguish between a solid floor and an absent floor diminishes. A sufficiently contaminated sensor reaches a threshold below which it can no longer confirm a solid floor reflection reliably, and begins triggering the reversal response on flat, continuous surfaces as a precautionary default.
The result is a robot that reverses and turns on level floor without any actual drop present, producing erratic coverage that concentrates in the area around the false trigger and reduces effective floor coverage across the session. Wipe the sensor lenses and windows at the front skirt with a dry microfibre cloth or a dry cotton bud once a month. Do not use water or liquid cleaning products near the sensor openings. If false triggers on flat floor persist after thorough sensor cleaning, the floor surface itself may be contributing to the symptom: very dark floor finishes and deep-pile carpet absorb a higher proportion of the sensor signal than pale hard-floor surfaces and can produce genuine false triggers that cannot be resolved through maintenance. In those environments, adjusting the robot’s starting position away from the most problematic zones is the practical solution.
Charging dock contacts
The i-Rova KK8 returns automatically to its charging dock at the end of a session or when the battery runs low. The contacts on the underside of the robot and on the dock face must stay clean and free of dust for reliable charging. A build-up of dust or light oxidation on either surface increases resistance at the connection point, which can slow charging or leave the robot sitting on the dock without completing a full charge. Wipe both sets of contacts with a dry cloth every two to three weeks, and check them first whenever a session ends earlier than expected, before assuming the battery itself has failed.
Maintenance at a glance
| Component | Clean | Replace |
|---|---|---|
| HEPA filter | Weekly | Every 6 to 8 weeks (every 4 to 6 weeks in pet households) |
| Side brushes (L and R pair) | Weekly (check for hair wrap) | Every 3 to 4 months |
| Dust bin | After every run; deep wash every 2 to 4 weeks | — |
| Suction inlet slot | Weekly (clear lateral corners) | — |
| Castor wheel | Every 2 to 4 weeks | When swivel fails or axle is permanently obstructed |
| Drive wheel tread | Monthly (inspect) | When tread cracks or grip fails on smooth floors |
| Cliff sensors | Monthly | — |
| Charging dock contacts | Every 2 to 3 weeks | — |
Common problems and their maintenance causes
Suction drops noticeably mid-session
When the i-Rova KK8 loses meaningful suction during a session rather than at the end of one, the most probable cause is a filter loaded beyond the point at which weekly tapping restores usable airflow, combined with partial obstruction at the inlet slot. On the 500 Pa (0.5 kPa) V3 platform, a filter and inlet that are simultaneously restricted exhaust the motor’s effective output well before either restriction would be sufficient alone to produce the symptom. Address the components in sequence: remove and tap the filter first, then clear the inlet slot corners, then empty and check the bin for a sediment layer at the inlet connection point. If all three components are clear and suction loss during sessions persists, the motor brushes may be approaching end of service life, a normal characteristic of brushed-motor platforms after two to three years of regular daily use.
Visible debris trails left on hard floors after a session
Debris trails visible on hard floors after the i-Rova KK8 has completed a session indicate that the machine is redistributing material it has already collected. A full dust bin is the most common cause: once capacity is reached, subsequent debris is drawn into the collection path and immediately expelled through the motor exhaust because the bin has no room to retain it. An inlet slot compacted with fibrous material produces the same redistribution effect even when the bin is not full, by preventing collected material from entering the bin cavity and diverting it back through the suction path. Empty the bin and clear the inlet slot, then run the machine on a recently swept test area to confirm whether the redistribution symptom has resolved. If it persists on a clean test floor, the filter may be allowing coarse particles to pass into the exhaust stream rather than retaining them; inspect the filter seal and replace the filter if any gaps or deformation are visible at the edges.
Side brush scatters debris outward rather than sweeping it inward
When a side brush on the i-Rova KK8 is observed pushing debris away from the machine rather than sweeping it toward the inlet, the first step is to confirm that the brush is installed in the correct recess. Lift the brush, check the directional letter on its base, and confirm it matches the letter marked in the mounting recess on the chassis underside. If the directional assignment is correct and the outward sweeping continues, the bristle spokes have likely developed a permanent outward-flared deformation from extended use. Deformed spokes rotate in the correct direction but at an angle that carries debris away from the inlet contact zone. Replace both brushes as a matched pair rather than replacing only the affected one. After installation, place the machine on a floor with light visible dust and run it briefly to visually confirm that debris is being swept inward on both sides simultaneously before returning the machine to normal service.
False drop-detection reversal on flat floor
A false drop-detection trigger on flat floor is almost always caused by contaminated cliff sensor lenses on the i-Rova KK8. As dust accumulates on the sensor windows, the reflected signal falls below the threshold the sensor requires to confirm a solid floor, and the reversal response activates as a precautionary default. Wipe the sensor windows at the front skirt with a dry microfibre cloth. If the false triggering continues after sensor cleaning, test the machine on pale hard flooring away from dark floor finishes and deep-pile carpet. Very dark flooring and absorbent textiles attenuate the sensor signal naturally and can produce genuine false triggers regardless of sensor cleanliness. In those environments, the symptom is a platform characteristic rather than a maintenance failure, and adjusting the machine’s operating area is the appropriate response.
Robot concentrates coverage in one area and misses open floor
Concentrated coverage in one zone combined with missed open floor on the i-Rova KK8 is most commonly caused by one or more partially contaminated cliff sensors triggering asymmetric reversal responses that trap the machine in a recurring turning loop near walls or furniture. After cliff sensor cleaning, if the coverage pattern remains noticeably clustered, check the castor wheel for hair compaction. A castor that cannot pivot freely limits the machine’s ability to exit tight areas naturally, because the turning arc is restricted to what the drive wheels alone can produce without the castor contributing its swivel geometry. Clearing the castor restores the full pivot range and allows the robot’s contact-triggered direction changes to carry the machine across a wider floor area per session.
Robot stops before completing a session
Premature session termination on the i-Rova KK8 can indicate battery decline but is often a consequence of elevated motor current draw caused by airflow restriction. A motor working against a partially clogged filter and a partially blocked inlet slot simultaneously draws significantly more current than a motor operating with clear airflow, and this additional current draw depletes the battery faster than a typical session’s expected duration would suggest. Before concluding that the battery is at fault, clear all airflow restrictions, clean the charging dock contacts, allow the battery to charge fully, and run a session on a clean test floor to isolate whether the early termination resolves. If session duration returns to normal on a clean floor with clear consumables, the machine is battery-limited by motor overload rather than by genuine battery capacity decline. If the early termination persists with all consumables in good condition, the battery pack has reached its cycle limit and replacement is appropriate.
Elevated motor noise during operation
Motor noise that is noticeably louder than the machine’s typical operating level on the i-Rova KK8 is most commonly caused by the V3 brushed motor increasing RPM to compensate for restricted airflow. The motor responds to back-pressure from a loaded filter or blocked inlet by running faster in an attempt to restore output, which generates more audible noise as a secondary effect of the increased rotational speed. Clear the filter, inlet slot, and bin in sequence and test again before attributing the noise to a motor fault. If elevated noise persists after all airflow restrictions are resolved, the source may be mechanical rather than electrical. Check the castor wheel and drive wheels for debris accumulation that could be generating friction or impact noise during movement. Persistent elevated motor noise after all maintenance is complete and all moving components have been inspected typically indicates progressive brush wear inside the motor, which is a normal end-of-service characteristic on brushed-motor platforms after extended daily use and is not resolvable through user maintenance.
What consistent maintenance protects over time
The i-Rova KK8 has a straightforward mechanical architecture with a modest number of service components. Its consumables are inexpensive individually, but the cost of neglecting them compounds over the machine’s service life in a way that is not immediately obvious from any single session. The brushed motor is the one component that cannot be economically replaced in the field. Its service life is determined primarily by the current it draws during operation, and that current is determined primarily by how freely air moves through the filter, the inlet slot, and the bin. Every session where the airflow path is restricted makes the motor work harder than it needs to, adding incremental wear to the brush contacts and the armature that a clean-airflow session would not generate. Over months of daily use, the cumulative effect of that additional wear is a motor that reaches its end of life measurably earlier than one that has always operated against an unobstructed airflow path. The Plus.Parts® Maintenance Set for the i-Rova KK8 supplies the replacement HEPA filter and the directional L and R side-brush pair as a matched kit sized to the KK8 chassis, ensuring that the two consumables with the greatest combined influence on both cleaning quality and motor longevity are renewed on a consistent schedule rather than replaced reactively once a visible problem has already developed.
How the i-Rova KK8 models differ
The i-Rova KK8 is the single model in this maintenance guide. Rather than comparing models, this section covers the practical platform context that shapes maintenance choices and part sourcing for i-Rova KK8 owners.
Suction platform and inlet architecture
The i-Rova KK8 takes its model designation directly from the KK8 chassis platform on which it is built. The V3 brushed motor delivers working suction in the region of 500 Pa (0.5 kPa) through a bristleless direct-suction inlet: a design that removes the hair-wrap complication associated with rotating brush rolls at the cost of relying entirely on airflow, without mechanical agitation, to transfer debris from floor surfaces into the collection bin. This architecture suits the entry-level category well in households where the primary floor covering is hard flooring or low-pile carpet and where the debris generated is predominantly fine dust and dry particulate matter rather than large debris requiring mechanical dislodgement.
The 300 mm chassis dimensions allow the i-Rova KK8 to access the underside of furniture with low clearance that larger robots cannot reach, making it well suited to rooms with sofas, storage units, and bed frames positioned close to the floor. The compact form factor contributes to the practical utility of the machine in domestic environments where the robot needs to navigate around varied furniture layouts in a single session rather than being guided to specific zones. In Auto mode, the i-Rova KK8 distributes coverage across the available floor area through contact-triggered direction changes rather than a mapped route, but the touch panel’s Spot and Edge modes give owners direct control over two situations that Auto mode handles less predictably: Spot mode concentrates cleaning over a small, heavily soiled area, and Edge mode runs a dedicated pass along skirting boards and room perimeters.
A single-configuration platform: simplicity over multi-tier complexity
Because the i-Rova KK8 is the only model in this series, “how the models differ” is better understood as what makes this one platform’s configuration distinctive on its own terms, rather than as a comparison between variants. The architecture is deliberately minimal: a bristleless direct-suction inlet with no rotating main brush, a single V3 brushed motor, a single foam-backed HEPA filter, and one directional side-brush pair, all built around a 300 mm round chassis. There is no LiDAR, no camera, and no floor-mapping software; navigation is handled entirely through front bumper and collision sensors, cliff and stair-drop detection, and the Auto, Spot and Edge modes selectable from the onboard touch panel.
This stands in clear contrast to premium multi-tier platforms, which typically add LiDAR-based mapping, multiple brush stages, and multi-part filtration systems to justify a higher position in a brand’s line-up. The i-Rova KK8 has none of that tiering to navigate, because there is only the one configuration: every unit leaving the factory carries the same motor, the same inlet, the same filter, and the same side-brush pair. That simplicity carries through to servicing. A single Plus.Parts® Maintenance Set covers the entire i-Rova KK8, supplying the HEPA filter and the L/R side-brush pair together, so owners are never faced with the tier-matching or model-variant confusion that can arise with a multi-model series.
Type reference
| Type | Alternative type | Retail type |
|---|---|---|
| V3 | — | — |
| V5 MAINTENANCE SET | — | — |