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 TM 9-2320-285-24-2
3-25.
AIR COMPRESSOR ASSEMBLY MAINTENANCE
b. Air Compressor Assembly (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (cont)
12
b.
Connecting rod
Lubricate
Use SAE 30 oil
(cont)
(26), crank-
shaft (49),
wrist pin
(29), piston
(27), and
rings (31,
32, and 33)
c.
New bearing
a. Lubricate
Use SAE 30 oil
insert (25)
b. Position
Press into connecting rod
(26)
d.
Piston (27) and
Install
Through top of crankcase
connecting
(18) using piston ring
rod (26)
compressor
e.
New bearing
a. Lubricate
Use SAE 30 oil
insert (24)
b. Position
Press into rod cap (23)
f.
Connecting rod
Position
On crankshaft (49). Locking
cap (23) and
slots on connecting rod
two new lock
(26) and connecting rod
straps (22)
cap (23) must be adjacent
g.
Two bolts (21)
Install
Tighten to 120-150 pounds
inch
h.
Lock straps
Bend tabs
Secures bolts (21)
(22)
i.
Two bearing
Check
Use thickness gage. Clearance
inserts
clearance
must not be less than
(24 and 25)
0.0003 inch nor more than
and journal
0.0021 inch
on crankshaft
(49)
NOTE
Repeat steps 11 and 12 above for reassembly and installation of remaining piston, connecting rod, and associated hardware.
13
a.
Two new back-
Install
In unloader piston bores
(18)
up rings (16)
and two new
grommets (15)
3-223
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