OPERATION AND SERVICE INFORMATION
3-35
Read all of manual to become thoroughly familiar with this vehicle. Pay particular attention to all Notes, Cautions and Warnings
The starter/generator belt tension should be checked after the first 15-
20 hours of operation and set to 75 - 80 lbs. (34 - 36 kg).
A loose belt can cause audible vibration and
squeal.
Tighten a new starter/generator belt to 90 - 110 lbs. (41 - 50 kg) tension
when a gauge is applied half way between the two pulleys (Ref Fig. 32
on page 3-35).
Although not as accurate, the belt may be depressed with a finger. A
maximum deflection of 3/8" (1 cm) is acceptable for a new belt (Ref
Fig. 33 on page 3-35).
Tighten an existing belt to 75 - 80 lbs. (34 - 36 kg) tension using the
same technique and inspect for cracking or wear. A maximum deflec-
tion of 1/2" (13 mm) is acceptable.
Adjusting the Belt
Loosen front and back pivot bolts of starter/generator (Ref Fig. 34 on
page 3-35).
Loosen adjusting bolt. Use pry bar to force starter/generator towards
front of vehicle until proper belt tension is achieved. Hold starter/gener-
ator in place and tighten adjusting bolt.
Tighten pivot bolts to 25 ft. lbs. (35 Nm) torque.
Fig. 32 Check Belt Tension with Gauge
Fig. 33 Check Belt Tension with Finger
Fig. 34 Adjust Belt Tension
3/8" (1 cm) Max. Deflection for New Belt
1/2" (1.3 cm) Max. Deflection for Existing Belt
Pivot Bolt
Adjusting Bolt
Summary of Contents for ST 480
Page 1: ...A Textron Company...
Page 54: ...5 2 LIMITED WARRANTY Notes...
Page 55: ...6 1 DECLARATION OF CONFORMITY NOT AVAILABLE AT TIME OF PUBLICATION...
Page 56: ...6 2 DECLARATION OF CONFORMITY Notes...
Page 65: ......
