MAINTENANCE
235 MM331 (3--94)
3-28
11. Replace the belt guard.
12. Lower the seat support.
MAIN BRUSH BELT
The main brush belt transfers power from the
accessories pump to the main brush. The belt is
tensioned by a belt idler spring. A stop bolt is
used to remove tension from the belt when the
main brush is raised.
TO REPLACE MAIN BRUSH BELT
1. Stop the engine and set the machine
parking brake.
FOR SAFETY: Before Leaving Or Servicing
Machine; Stop On Level Surface, Set Parking
Brake, Turn Off Machine And Remove Key.
2. Raise the main brush.
3. Open the seat support.
4. Remove the vacuum fan belt guard.
5. Remove the left side access door.
6. Hold the idler spring arm back and remove
the belt.
A
C
B
03377
MAIN BRUSH BELT
A. Idler Spring Arm
B. Main Brush Belt
C. Stop Bolt
7. Position the new belt on the belt sheaves.
8. Replace the vacuum fan belt guard.
9. Lower the seat support.
10. Start the machine and lower the main brush.
Then raise the brush. The brush should stop
turning within seconds of being raised. If the
belt is too tight, the brush will continue to
turn. If the belt is too loose, it may jump off
the idler or driven sheave. Turn the belt stop
bolt to adjust belt tension.
11. Replace the left side access door.
FAN BELT
The fan belt is driven by the crankshaft sheave
and drives the alternator and the radiator fan.
Check the belt condition and tension after every
200 hours of operation. The belt is properly
tensioned when the belt deflects 0.28 in (7 mm)
from a force of 22 lb (10 kg) applied at belt
midpoint.
TO REPLACE AND ADJUST FAN BELT
1. Stop the engine and set the machine
parking brake.
FOR SAFETY: Before Leaving Or Servicing
Machine; Stop On Level Surface, Set Parking
Brake, Turn Off Machine And Remove Key.
2. Open the seat support.
Summary of Contents for 235D
Page 1: ...235D MM331 ...
Page 6: ...ABOUT THIS MANUAL 235 MM331 3 93 d ...
Page 14: ...SPECIFICATIONS 235 MM331 3 93 1 2 ...
Page 18: ...SPECIFICATIONS 235 MM331 3 93 1 6 ...
Page 20: ...OPERATION 235 MM331 3 93 2 2 ...
Page 36: ...OPERATION 235 MM331 3 93 2 18 ...
Page 38: ...MAINTENANCE 235 MM331 3 93 3 2 ...
Page 49: ...MAINTENANCE 3 13 235 MM331 3 94 03460 HYDRAULIC SCHEMATIC ...
Page 60: ...MAINTENANCE 235 MM331 3 94 3 24 03490 ELECTRICAL SCHEMATIC ...
Page 61: ...MAINTENANCE 3 25 235 MM331 3 94 03490 ELECTRICAL SCHEMATIC AUXILIARY SIDE BRUSH ...
Page 78: ...MAINTENANCE 235 MM331 3 94 3 42 ...
Page 80: ...APPENDIX 235 MM331 3 93 4 2 ...
Page 84: ...STANDARD MODEL PARTS 235 MM331 3 93 5 2 ...
Page 134: ...STANDARD MODEL PARTS 235 MM331 3 94 5 52 4 2 3 1 Fig 29 Wire Harness Group ...
Page 138: ...OPTIONS 235 MM331 3 93 6 2 ...
Page 152: ...HYDRAULIC COMPONENTS 235 MM331 3 93 7 2 ...
Page 164: ...ENGINE PARTS DIESEL 235 MM331 3 93 8 2 ...