c. Cleaning, lnspection and Repair.
d. Reassembly. Reassemble the brake chamber in
(1) Clean all metal parts with an approved
the reverse of the numerical sequence illustrated on
cleaning solvent and dry thoroughly.
(2) Inspect all parts for cracks, breaks,
excessive wear or other damage. Repair or replace
defective parts as necessary.
Section IX. CARRIES
by the torque converted. Two pumps (1 pump in dual
5-23. General
configuration) are 21 GPM capacity and supply pressure
The carrier hydraulic system consists of a pump, fluid
for the front and rear wheel steer cylinders. The other
reservoir, relief valves, control valves, cylinders, filters
dual pump consists of one 10 GPM and one 21 GPM
and necessary connecting tubes and fittings. Hydraulic
pump. The 21 GPM pump operates the outrigger and
pressure is used to operate utility blades, outriggers and
the utility blade, the 10 GPM pump supplies pressure for
steering power assist. The hydraulic working pressure
the steering control system. Both dual pumps are similar
on the outrigger system is 1850 psi plus or minus 25 psi.
in construction and maintenance procedures.
The hydraulic working pressure on the steering cylinder
b. Removal. Remove hydraulic pump assemblies
is 1500 psi. The steering control valve working pressure
(TM 5-3810-232-12).
is 650 psi.
c. Disassembly. Disassemble hydraulic pump in
5-24. Hydraulic Pump Assemblies (2380)
numerical sequence as illustrated on figure 5-28 or 5-29.
a. General. There are four hydraulic pumps in the
hydraulic system; the configuration is two dual pumps
which are mounted on and driven HYDRAULIC SYSTEM
1
Capscrew
26
Setscrew
2
Body assembly
27
Cover assembly
3
Plug
28
Cover gasket
4
Drive shaft assembly
29
Cover spring
5
Drive shaft assembly
30
Bearing
6
O-ring
31
Retaining ring
7
Backup washer
32
O-ring
8
Mask-off ring
33
Seal retainer
9
Wave spring
34
Seal
10
Thrust plate cover
35
Retainer
11
Thrust plate cover
36
Retainer
12
Gear (1OT-6P)
37
O-ring
13
Drive shaft
38
Backup washer
14
Gear (10OT-6P)
39
Mask-off ring
15
Drive shaft
40
Wave spring
16
Thrust plate, body
41
Thrust plate
17
Thrust plate, body
42
Thrust plate
18
Bearing
43
Drive shaft assy
19
Body
44
Drive shaft
20
Cover gasket
45
Key
21
Cover spring
46
Drive shaft
22
Bearing
47
Center section assy
23
Pipe plug
48
Bearing
24
Capscrew
49
Center section
25
Washer
50
O-ring
51
Name plate
5-57
