64
Maintenance Section
Cooling System Coolant (DEAC) - Change
To check the belt tension, apply 110 N (25 lb ft)
of force midway between the pulleys. A correctly
adjusted belt will deflect 9 mm (0.35 inch) to 15 mm
(0.59 inch).
If the belt does not require replacement or
adjustment, install the belt guard. If the belt requires
adjustment or replacement, perform the following
procedure to adjust the belt tension.
•
If the engine is equipped with a freon compressor
(air conditioner), the belt for the fan drive, the
alternator, and the accessories will have an
automatic belt tensioner.
•
If the engine is not equipped with a freon
compressor, the alternator is used to adjust the
belt tension.
Adjustment
Alternator Belt
g00285332
Illustration 16
(1) Adjusting bolt
(2) Mounting bolts
1. Slightly loosen mounting bolts (2) and adjusting
bolt (1).
2. Move the pulley in order to adjust the belt
tension.
3. Tighten adjusting bolt (1) and mounting bolts (2).
Refer to the Operation and Maintenance Manual,
“Torque Specifications” topic (Maintenance
Section).
4. Install the belt guard.
If new belts are installed, check the belt tension
again after 30 minutes of engine operation at the
rated rpm.
Water Pump Belt
g00426869
Illustration 17
Exploded view of the drive assembly for a water pump belt
(1) Mounting bolt
(2) Square hole
(3) Adjusting bolt
1. Slightly loosen mounting bolts (1) and adjusting
bolt (3).
2. Adjust the belt tension with a square drive in
square hole (2).
3. Tighten adjusting bolt (3) and mounting bolt (1).
Refer to the Operation and Maintenance Manual,
“Torque Specifications” topic (Maintenance
Section).
4. Install the belt guard.
If new belts are installed, check the belt tension
again after 30 minutes of engine operation at the
rated rpm.
i01081100
Cooling System Coolant
(DEAC) - Change
SMCS Code: 1350-070; 1395-044
Clean the cooling system and flush the cooling
system before the recommended maintenance
interval if the following conditions exist:
•
The engine overheats frequently.
•
Foaming of the coolant
•
The oil has entered the cooling system and the
coolant is contaminated.
•
The fuel has entered the cooling system and the
coolant is contaminated.
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