TB-9-2510-251-13
TECHNICAL BULLETIN
OPERATOR AND FIELD MAINTENANCE; INSTALLATION MANUAL (INCLUDING REPAIR PARTS LIST); FOR ADD-ON-ARMOR (AoA) AIR CONDITIONING
AUGUST 2007
TB-9-2510-251-13 - Page 20 of 624
2-4
TB 9-2510-251-13
2-1.1
Installation of Air Conditioning Kit to M998 and M998A1; M1037; M1097, and M1097A1
with GSIE Add-on-Armor (Cont’d).
a. Install Compressor
CAUTION
When tightening bolts, DO NOT overtighten.
Torque to specified torque value only.
Failure to comply may result in damage to equipment.
NOTE
•
The Compressor Kit is designed to be installed with both four-groove
and
five-groove water pump pulleys.
•
Prior to compressor installation, the four-groove pulley must be changed
to a five-groove pulley.
•
If a five-groove water pump pulley is already present, skip to “Compressor
Mounting.”
(1)
With four-groove water pump pulley only:
a. Rotate radiator fan blade until access holes in fan blade line up with four socket head
screws attaching fan clutch to four-groove pulley.
b. Disconnect fan clutch hose.
NOTE
If belts slip, it may be necessary to remove belts and prevent pulley from
turning.
c.
Remove four bolts from fan clutch and pulley.
d. Remove fan/fan clutch assembly.
e. Loosen power steering and alternator belts.
f.
Remove four screws from four-groove pulley and water pump hub.
Set aside screws for
reinstallation.
g. Remove four-groove pulley.
h. Install new five-groove pulley with screws removed from four-groove pulley.
i.
Install new A/C compressor belt on front groove of water pump pulley.
j.
Reinstall fan/fan clutch assembly.
k.
Reconnect fan clutch hose.
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