37
1.
Turn the engine off and raise the hood. Clean the engine
area thoroughly of all debris.
2.
Remove the access panel (Fig. 43).
1
2
3
Figure 43
1. Access panel
2. Oil cooler
3. Radiator
3.
Unlatch the oil cooler and pivot it rearward (Fig. 44).
Clean both sides of the oil cooler and radiator area
thoroughly with water or compressed air. Pivot the oil
cooler back into position.
Figure 44
4.
Install the access panel and close the hood.
Servicing the Engine Belts
Check condition and tension of all belts after first day of
operation and every 100 operating hours thereafter.
Alternator/Fan Belt
1.
Open the hood.
2.
Check the tension by depressing the belt midway
between the alternator and crankshaft pulleys with
22 lb. (30 N
⋅
m) of force. The belt should deflect
7/16 in. (11 mm). If the deflection is incorrect, proceed
to step 3. If it is correct, continue operation.
1
Figure 45
1. Alternator/fan belt
3.
Loosen the bolt securing the brace to the engine and the
bolt securing the alternator to the brace.
4.
Insert a pry bar between the alternator and engine and
pry out on the alternator.
5.
When the proper tension is achieved, tighten the
alternator and brace bolts to secure the adjustment.
Replacing the Hydrostat Drive Belt
1.
Insert a nut driver or small piece of tubing onto the end
of the belt tensioning spring.
Use caution when de-tensioning the spring, as it is
under a heavy load.
Warning
2.
Push down and forward on the spring end (Fig. 46) to
unhook it from the bracket and release tension on the
spring.
3.
Replace the belt.
4.
Reverse the procedure to tension the spring.
