TM 10-4320-307-24
2-49
IDLER ASSEMBLY REPAIR, REPLACE (CONT).
REPAIR:
1.
Disassemble Idler pulley assembly as follows.
a.
Remove the water pump idler spacer (1).
b.
Remove pipe plug (2).
c.
Remove snap ring (3).
d.
Using punch tap idler shaft (4) from idler
pulley (5).
e.
Using a brass drift punch remove ball
bearing (6).
f.
Remove water pump idler shaft (4).
g.
Remove idler pulley (5).
NOTE
Repair is limited to the replacement of damaged
or faulty parts..
2.
Assemble idler pulley assembly as follows:
a.
Place idler pulley (5) face down on clean
surface.
b.
Place water pump idler shaft (4) in position.
c.
Tap ball bearing (6) onto shaft and secure
with snap ring (3).
d.
Install pipe plug (2) and water pump idler
spacer (1).
INSTALLATION:
1.
Install idler pulley (1) in water pump body (2).
2.
Install washer (3) and nut (4) on back of Idler
pulley shaft (5).
NOTE
Do not tighten nut (4) until the water pump drive
belt has been Installed and adjusted.
3.
Install adjusting screw in idler pulley shaft.
4.
Install water pump drive belt assembly In
accordance with paragraph 2-41.
5.
After belt assembly is adjusted tighten nut (4) to
45 to 55 ft-lbs (61 to 75 Nm) torque.
NOTE
Belt tension should be checked again after you have torqued nut (4).
2-206
