TM 9-2320-289-34
10-24. AIR CONDITIONER COMPRESSOR MAINTENANCE (M1010) (Con’t).
12.
13.
14.
1 5.
16.
Gently tap pulley (23) with pulley bearing (22) into place until it seats. Check pulley to ensure
that it rotates freely. Install pulley snapring (20).
NOTE
Key (50) has a slight curve for interference fit with keyway of clutch (17).
Insert key (50) into keyway of clutch
(1 7), Allow key to project 3/16 in.
(4.8 mm) out of keyway. Aline key
with shaft keyway (51) and position
clutch on shaft (27).
Hold clutch (17) in place with clutch
hub holder. Using hub and drive puller
and installer, install clutch until there
is about 3/32 in. (2.4 mm) clearance
between clutch and pulley (23).
Ensure that key (50) stays in place.
Install clutch snapring (19). Install
new locknut (18). Tighten locknut to
25 Ib.-ft. (34 N.m).
Check to ensure that there is
0.022-0.057 in.
(0.6-0.14 mm)
clearance between clutch (17) and
pulley (23).
If clearance is not
correct, check for mispositioned key
(50) or shaft (27).
e.
INSTALLATION
1 .
2 .
3 .
If there are no signs of refrigerant
leakage in air conditioning system,
add refrigerant oil to compressor (14)
equal to the amount drained from
compressor, plus 1 oz. (0.059 1).
If there are signs of refrigerant oil
leakage in air conditioning system,
remove
receiver-dehydrator (see
paragraph 10-27), and drain and
measure
refrigerant
oil.
Add
refrigerant oil to compressor (14)
equal to this amount plus amount
drained from compressor. Install
receiver-dehydrator. (See paragraph
10-27)
Install drain screw and new gasket on
compressor assembly (14).
TA50460
10-97
