
31200243 107
Maintenance Section
Belt - Inspect/Replace
Inspect
Note: If a new belt is installed, check the film on the
belt tensioner (2) after 30 minutes of operation. A belt is
considered to be used after 30 minutes of operation.
1. Park the machine on level ground. Fully retract the
boom and fully lower the boom. Move the
transmission control to the NEUTRAL position and
engage the parking brake. Shut off the engine.
2.
Open the engine enclosure.
Illustration 176 g00953133
3. Inspect the condition of belt (1).
4. Replace the belt if any of the following conditions
exist:
• excessive cracking
• excessive wear
• excessive damage
5. Inspect the free arm stop of the belt tensioner (2).
The free arm stop must be aligned with the black
line which is on the decal of belt tensioner (2). If
the free arm stop is in the red area, replace the
belt.
6. Close the engine enclosure.
Replace
1. Park the machine on level ground. Fully retract the
boom and fully lower the boom. Move the
transmission control to the NEUTRAL position and
engage the parking brake. Shut off the engine.
2. Open the engine enclosure.
3. Turn the battery disconnect switch to the OFF
position.
4. Remove the retaining bolts for the fan guard. Slide
the guard out of the engine enclosure
Illustration 177 g00953133
5. Release the tension on the belt (1). Insert a 12.7
mm (0.50 inch) ratchet into the square hole in the
belt tensioner (2) and pry the belt tensioner in a
clockwise direction.
6. Remove the belt from the pulleys. Feed the belt
over the fan.
7. Install the new belt around the pulleys. Pry the belt
tensioner in a clockwise direction. Install the belt
around the belt tensioner. Release the belt
tensioner in order to put tension on the belt. The
routing of the belt is shown in Illustration 177.
8. Install the fan guard and tighten the retaining bolts to
a torque of 15 ± 3 Nm (11.1 ± 2.2 lb ft).
9. Turn the battery disconnect switch to the ON
position.
10. Close the engine enclosure.