
94
Maintenance Section
Belts - Inspect/Adjust/Replace
3. Disconnect the negative battery cable from the
disconnect switch.
Note: Do not allow the disconnected battery cable
to contact the disconnect switch.
4. Disconnect the negative battery cable at the
battery.
5. Disconnect the positive battery cable at the
battery.
6. Make any necessary repairs. If necessary,
replace the battery. If necessary, replace the
battery cables.
7. Connect the positive battery cable at the battery.
8. Connect the negative battery cable at the battery.
9. Connect the battery cable at the battery
disconnect switch.
10. Install the key and turn the battery disconnect
switch ON.
i01557085
Belts - Inspect/Adjust/Replace
SMCS Code: 1357-025; 1357-040; 1357-510
Note: Stop the engine before you perform any of
the following procedures.
Alternator Belt
g00809512
Illustration 135
1. Access the alternator from the left side of the
machine.
2. Inspect the condition of the alternator belt. If the
belt is cracked or frayed, replace the belt.
3. Use a BT-33-97 Borroughs Gauge to check the
tension of the alternator belt.
The tension of a used belt with more than 30
minutes of operation at rated speed should be
400 ± 44 N (90 ± 10 lb). The tension of a new
belt with 30 minutes of operation or less at rated
speed should be 534 ± 22 N (120 ± 5 lb).
Adjusting the Tension of the Alternator
Belt
g00592143
Illustration 136
1. Loosen one mounting bolt (4) and adjustment
bolt (2).
2. Insert a ratchet with a square drive into the hole
in mounting bracket (1). Use the ratchet as a
lever to rotate alternator (3). Rotate the alternator
until the correct belt tension is reached.
3. Tighten adjustment bolt (2) and mounting bolt (4).
4. Recheck the tension of belt (5). If the tension
of the belt is incorrect, repeat the adjustment
procedure.
Air Conditioner Belt
1. Access the compressor from the right side of
the machine.
2. Inspect the condition of the air conditioner belt.
If the belt is cracked or frayed, replace the belt.
3. Use a BT-33-97 Borroughs Gauge to check the
tension of the air conditioner belt.