Vari RBS-700D, Operating Instructions Manual

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RBS-700D
4. Loosen the plastic butterfly nut 1 on the left side of the adaptor by 2-3 turns.
5. If you press strongly on the plastic butterfly nut 1 towards the V-belt 2 and between the collar nut 3 and the moulding wall
4 , a gap exceeding 0mm appears, the tensioner draw bar 5 needs adjustment.
6. Loosen the counternut 6 (closer to the V-belt) by 1 turn -
2x wrench 13 mm.
7. Slide the tensioner draw bar 5 from the groove in the side of the chassis forward and then slide it out to unload the pulley 7 .
8. Press by hand on the plastic butterfly nut 1 towards the V-belt so the belt 2 is tensioned as much as possible.
9. Remove the collar nut 3 so its collar is aligned with the moulding wall 4 of the adaptor frame -
1x wrench 13 mm.
10. Insert the tensioner draw bar 5 into the groove in the moulding wall 4 . Loosen the collar nut 3 by one more turn -
1x wrench
13 mm.
11. Tighten the counternut 6 -
2x wrench 13 mm.
12. Check whether the tensioner draw bar 5 slides into the groove – the draw bar must pose resistance to the movement, it may
not move freely! Adjust accordingly.
2.5.5 V-Belt Change
Replace the V-belt with a new one 44 every time cracks or ruptures appear on the surface of the belt and also when the belt is worn
sufficiently by the operation that it can no longer be tensioned with its tensioning pulley.

If you are not sufficiently manually skilled, have the operations done by an authorized service centre.
1. Detach the adaptor from the RAPTOR Hydro multifunctional carrier.
2. Remove the plastic belt cover - six M6x16 screws (see chap. 2.4.1.2 Machine Assembly Procedure on page 9 )-
2x wrenches
or a wrench and socket 10 mm.
See figure Fig. 11 on page 51 .
3. Remove the two M6 collar nuts 1 on the plate of the belt guide 2 next to the driven pulley 3 . Remove the plate 2 .
4. Loosen the nut 4 of the guide 5 on the tensioning pulley 6 and turn the guide 90° to the back.
5. Remove the V-belt 7 and replace it with a new one.
6. Install the belt guide plate 2 .
7. Turn the guide 5 back and firmly tighten the nut 4 .
8. Attach the adaptor to the RAPTOR Hydro multifunctional carrier and adjust the tensioning pulley according to chap. 2.5.4
Adjusting tension pulley
9. Install the plastic belt cover back - six M6x16 screws (see chap. 2.4.1.2 Machine Assembly Procedure on page 9 )-
2x
wrenches or a wrench and socket 10 mm.
2.5.6 Servicing intervals
Activity Prior to each use During the season Prior to storing
Checking tightening of screwed connections Yes always
Always when you hear an unussual sound
form the machine
Yes
Checking tightening of blades' screwed
connections
Yes always
After each impact of the blades in a solid
obstacle
Yes
Check of blades damage (bending, cracks
etc.)
Yes always
After each impact of the blades in a solid
obstacle
Yes
Mowing drum check Yes always
Immediately in case of machine's vibration,
e.g. after impact on a solid obstacle
Yes
V-belt condition check After each adaptor detachment After every 25 hours Yes
V-belt tension check
Yes, always and after each adaptor
attachment
After every 25 hours Yes
Table 16: Servicing intervals
44
Use exclusively original spare parts. If you use belts from other manufacturers, proper operation of the drive cannot be guaranteed.
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