MAINTENANCE
186 MM159 (6–94)
3Ć24
5. Evenly tighten the two screws to expand the
self-adjusting sheave.
6. Slip the short main brush belt off the
sheaves.
7. Place the side brush arm in the raised
position.
8. Slide the side brush belt off the engine
sheave.
A
B
C
D
F
E
G
H
03151
SIDE BRUSH BELT
A. Engine
B. Engine Sheave
C. Side Brush Belt
D. Belt Guide
E. Long Main Brush Belt
F. Belt Idler
G. Idler Sheave Spring
H. Two-Step Sheave
9. Disconnect the idler sheave spring.
10. Remove the snap ring from the two-step
sheave and slide the sheave off the shaft.
11. Pull belt idler back and slide the long main
brush belt out of the machine.
12. Position the new long main brush belt in the
machine.
13. Reinstall the two-step sheave and reconnect
the idler sheave spring.
14. Position the side brush belt over the engine
sheave and under the belt guide.
15. Slide the short main brush belt over the
self-adjusting sheave and the two-step
sheave.
16. Unthread the two screws separating the
self-adjusting sheave.
17. Adjust the belt tension as described in TO
CHECK AND ADJUST SIDE BRUSH BELT
TENSION.
18. Replace the right side bumper and cover,
and engine access cover.
19. Replace the debris hopper.
Summary of Contents for 186
Page 1: ...186 MM159 Rev 05 12 95 Operator Manual ...
Page 10: ...SPECIFICATIONS 186 MM159 6 94 1Ć2 ...
Page 14: ...OPERATION 186 MM159 6 94 2Ć2 ...
Page 84: ...MAINTENANCE 186 MM159 6 94 3Ć48 ...
Page 86: ...APPENDIX 186 MM159 6 94 4Ć2 ...
Page 88: ...APPENDIX 186 MM159 6 94 4Ć4 ...