TM 10-4320-315-24
2-41. MAINTENANCE OF V-BELTS
This task covers:
a.
Remove
b.
Install
INITIAL SETUP
Tools
Equipment Conditions
General Mechanics Tool Kit
Pumping assembly is shutdown (refer to TM 10-4320-
(Item 1, Appendix B)
315-10).
Battery assembly is disconnected (para. 2-16).
a.
REMOVE. (Figure 2-28)
(1)
Open engine access doors (1 and 2).
(2)
Push up on idle pulley (3) and relieve tension to the cooling blower V-belt (4).
(3)
Remove cooling blower V-belt (4).
(4)
Loosen the two adjustment bolts (5) for the alternator V-belt adjustment.
(5)
Remove alternator V-belt (6).
b. INSTAL.
(1)
Position alternator V-belt (6) on inside groove of crankshaft pulley (7) and alternator pulley (8).
(2)
Pull up on alternator (9) until V-belt (6) is tight.
(3)
Tighten the two hex adjustment bolts (5).
(4)
Position cooling blower V-belt (4) on cooling blower pulley (10) and outside groove of crankshaft pulley (7).
(5)
Push up on idler pulley (3) and install V-belt (4) on idler pulley.
c.
ADJUSTMENT.
(1)
Check tension of alternator V-belt (6) midway between alternator pulley (8) and crankshaft pulley (7).
(2)
Check belt deflection. Deflection is 1/2-inch (12.7 mm).
(3)
Loosen the hex adjustment bolts (5) if the deflection is not correct.
(4)
Move alternator (9) until correct deflection on V-belt (6) is obtained. Tighten the two hex adjustment bolts
(5).
2-75
