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TM 10-3930-643-34
HYDRAULIC SYSTEM TROUBLESHOOTING AND MAINTENANCE. (cont)
12-2.
Hydraulic Pump. (Sheet 2 of 4)
REMOVAL (cont)
NOTE
Tag all hose and tube assemblies
before disconnecting to aid in
installation.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
Disconnect hose assembly (3).
Using a machinist’s scribe, remove
and discard preformed packing (4).
Using a 9/16” socket and socket
wrench handle, remove four bolts (5)
and two flange halves (6).
Using a 10” adjustable wrench,
disconnect hose assembly (7).
Using a machinist’s scribe, remove
and discard preformed packing (8).
Using a 5/8” open end
disconnect hose assembly
assembly (10).
Cap tee assembly (10).
wrench,
(9) from tee
Using an 11/16” open end wrench,
remove
tee
assembly (10) from
hydraulic pump (18).
Using a machinist’s scribe, remove
and discard preformed packing (11).
Using a 3/4” socket and socket wrench
handle, remove two bolts (12), lock
washers (13) and pump (18) from
torque converter.
Using a machinist’s scribe,
remove
and discard preformed packing (14).
Using snap ring pliers, remove seal
(15), snap ring (16) and seal (17)
from hydraulic pump (18).
Discard
seals (15 and 17).
Go to sheet 3
12-10
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