TM 5-1940-322-24
0133 00
SCOOP HYDRAULIC PUMP, MOUNTING BRACKET, AND HOSES MAINTENANCE (Contd)
CAUTION
Cap and plug all hoses, connections, and openings immediately
after disconnection to prevent contamination. Remove caps or plugs
prior to installation. Failure to comply may result in damage to
equipment.
NOTE
Scoop hydraulic pumps, mounting brackets, and hoses are replaced
the same way. This procedure covers the replacement of one scoop
hydraulic pump, mounting bracket, and two hoses.
REMOVAL
NOTE
Have container ready to catch hydraulic oil.
1.
Remove hose clamp (3) and hose (4) from hydraulic pump inlet tube (22).
2.
Remove hose tube elbow (19) from adapter (20).
3.
Loosen three screws (15) on drive pulley (17).
4.
Loosen two locknuts (10) on mounting bracket (14).
5.
Relieve tension from drive belts (8) by adjusting mounting bracket (14).
6.
Remove drive belts (8) from pump drive pulley (17).
7.
Remove three screws (15), lockwashers (16), and drive pulley (17) from pump drive flange (18).
8.
Remove two locknuts (10), washers (9), hydraulic pump (2), and mounting bracket (14) from two
studs (7) on hydrojet bearing bracket (6). Discard locknuts (10).
9.
Remove two nuts (13), lockwashers (12), screws (1), and washers (24) from mounting bracket (14) and
10.
Remove screw (11), lockwasher (12), and mounting bracket (14) from hydraulic pump (2). Discard
lockwasher (12).
11.
Remove adapter (20) and O-ring (21) from hydraulic pump (2). Discard O-ring (21).
12.
Remove hose tube elbow (19) from control valve (25).
13.
Remove hose clamp (3) and hose (4) from hydraulic reservoir (5).
CLEANING AND INSPECTION
1.
For general cleaning and inspection instructions, refer to WP 0013 00.
2.
Clean excess oil from hydraulic reservoir pump (2), mounting bracket (14), hose assembly (23) and
hose (4) with cloth.
3.
Inspect studs (7) for damage. If damaged, replace studs (7).
4.
Inspect hydrojet bearing bracket (6) for damage. If damaged, replace hydrojet bearing
5.
Inspect hose assembly (23) and hose (4) for leaks or damage. If leaks or damage is present,
replace hose assembly (23) or hose (4).
6.
Inspect adapter (20) for damaged threads. If damaged, replace adapter (20).
0133 00-2