Operator's Manual

45
2. To adjust belt tension:
Loosen (2) alternator mounting bolts.
1
2
Figure 51
1. Alternator belt 2. Alternator brace
Using a bar, rotate alternator until proper belt
tension is attained, then tighten mounting bolts.
Fan belt
1. Check tension by depressing belt at mid span of fan and
drive shaft pulleys with 22 lbs. of force. A new belt
should deflect .48–.58 in. A used belt should deflect
.55–.65 in. If deflection is incorrect, proceed to next
step. If correct, continue operation.
2. To adjust belt tension:
Loosen idler pulley mounting nut, move pulley to
increase tension and tighten nut.
1
2
Figure 52
1. Fan belt 2. Idler pulley
Cylinder Head Bolts
Re–torque initially after 50 operating hours and check
every 1000 operating hours or annually thereafter.
Engine Valve Clearance
Adjust initially at 50 operating hours and check every 600
operating hours or annually thereafter.
Adjusting Accelerator Pedal
1. Position vehicle on level surface, stop engine and
engage the parking brake.
2. Adjust ball joint on accelerator cable (Fig. 53) to allow
.100”–.250” of clearance between accelerator pedal arm
and top of diamond tread floor plate (Fig. 54), when a
25 lb. force is applied to center of pedal. Tighten
locknut.
Note: Engine must not be running and return spring must
be attached.