Key to figure 3-11.
I Nut (4)
39 Packing (2)
b. Cleaning and Inspection.
2 Washer (4)
40 Seal
(1) Clean all parts.
3 Screw (4)
41 Ring
(2) Inspect bearing plate and gear housing for
4 Nut (2)
42 Shaft
scoring and burs. Remove with mill file or stone.
5 Washer (2)
43 Pin
(3) Inspect gears for wear, cracks, or other defects.
6 Screw (2)
44 Adapter
Inspect gears width. Replace gears if width is 0.0045
7 Screw (4)
45 Screw
inch less than gear housing.
8 Screw (2)
46 Nameplate
(4) Discard and replace all "O" rings.
9 Nameplate
47 Screw
(5) Replace all defective parts as required.
10 Plate
48 Cover
d. Reassembly.
11 Pin (4)
49 Thrust wash
(1) Refer to figure 3-11 and reassemble hydraulic
12 Pin
50 Bearing (2)
pump.
13 Bushing
51 Packing
14 Ring
52 Wearplate
NOTE
15 Packing
53 Shim
16 Packing
54 Pin (2)
Thrust washer (49) goes in bearing bore on drive
17 Bearing (2
55 Plug
shaft side only, with bronze side facing shaft end.
18 Wearplate
56 Plug
19 Shim
57 Housing
(2) Check rotation by turning pump with an 8 in.
20 Plug
58 Dowel
wrench. Only a slight drag is acceptable. If drag is too
21 Plug
59 Gear
great, use additional shims (53), but do not exceed
22 Housing
60 Shaft
0.0045 inch total running clearance.
23 Gear
61 Gear
e. Installation.
24 Gear
62 Shim
(1) Install hydraulic pump and secure with
25 Shim
63 Wearplate
mounting hardware.
26 Wearplate
64 Packing
(2) Connect hydraulic hoses.
27 Packing
65 Bearing (2)
(3) Start engine and check for proper pump
28 Bearing (2)
66 Packing
performance by operating control levers.
29 Packing (2)
67 Ring
30 Pin (2)
68 Bushing
3-14. Control Valve
31 Retainer
69 Pin
32 Seal
70 Pin (2)
a. Removal.
33 Bearing
71 Coupling
(1) Disconnect hydraulic hoses.
34 Packing
72 Dowel
(2) Remove control levers.
35 Bearing
73 Plate
(3) Remove attaching hardware and remove control
36 Retainer
74 Nut
valve.
37 Ring
75 Screw
b. Disassembly. Refer to figure 3-12 and disassemble
38 Retainer
76 Coupling
control valve.
3-21
