TM 1-1730-232-13&P
4-17.1 Hydraulic Pump Repair (Typical - All Wheel Assembly Models).
The Hydraulic Pump Assembly is group number 0101 In the MAC. A defective pump removed from any model Ground
Handling Wheels Assembly, can only be replaced with a hydraulic pump with part number 61780. This repair procedure
applies to pump part number 61780 and may be referenced from paragraphs 4-15-1 and 4-16-1. A mounting plate and
hydraulic fitting guard are part of the pump assembly. Refer to Figure 4-3 while performing the repair procedures.
This task covers:
a.
Repair
b.
Test
INITIAL SETUP
Tools
Tool Kit, Aircraft Mechanics General, NSN 5180-00-323-4692
Shop Set, AVIM, Hydraulic, NSN 4920-00-165-1454
Gauge, 10,000 PSI
Materials
Goggles and Gloves
Cleaning Solvent (item 6, Appendix D)
Teflon Tape (item 8, Appendix D)
Hydraulic Fluid (Item 1, Appendix D)
Repair Parts
Part No.
Repair Parts
Part No
Kit, Repair Parts
300487
(21)
Body., Pump
61295
(1)
Ring, Retaining
211743
(22)
Valve, Relief, Press
21278-80
(2)
Pin, Straight
211742
(23)
Filter, Stick
12205
(3)
Handle, Manual
61813-GR12
(24)
O-Ring
211495
(4)
Grip, Handle
206731
(25)
Screw, Set
10556
(5)
Valve Screw
305975
(26)
Knob
21643-NP
(6)
Bushing, Pipe
10676
(27)
Reservoir Assembly
307601
(7)
Valve, Metering .
305993
(28)
Tie Rod .
213847
(8)
Piston, Assembly .
211468
(29)
Cap, Dust
52711
(9)
Washer, Backup
213987
(30
Gasket
212739
(10)
O-Ring
10271
(31)
Nut
10204
(11)
Ball, Steel
10378
(32)
Decal 'Do Not Remove'.
215907
(12)
Ball
12223
(33)
Ball, Nylon
15528
(13)
Valve, Release.
308617
(34)
O-Ring
12557
(14)
O-Ring
10267
(35)
Plug, Pipe
10970
(15)
Washer, Backup
15085
(36)
Decal, Warning
308473
(16)
Washer, Copper
14874
(38)
Plate, Mounting
47139-GR12
(17)
Spring, Compression
10444
(39)
Guard, Hyd Fitting
420094-GR12
(18)
Spacer
297S2
(40)
Bolt
MS9072510
(19)
Spring, Compression
211797
(41)
Nut
MS51967-2
(20)
Ball, Steel .
10375
Personnel Required
MOS 67
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