TM 9-2330-381-14
2.
Using a 1-1/4-inch combination wrench and a drain pan, tag and disconnect two hydraulic lines (1) from hydraulic
pump (2). Install caps/plugs into hydraulic lines (1).
2.1
Use rope or tie wraps to secure ends of both hydraulic lines (1) at pump height or higher.
3.
Remove two capscrews (3), lockwashers (4), and hydraulic pump (2) from APU (5). Discard lockwashers 4.
Remove two straight pipe-to-tube adapters (6) from pump (2).
5.
Remove preformed packings (7) from two straight pipe-to-tube adapters (6). Install caps/plugs into openings and
discard two preformed packings.
INSPECTION
Inspect hydraulic pump for cracked housing, bent rotor shaft, broken or marred spline on rotor shaft, or seal leaks in area
of rotor shaft. Replace hydraulic pump if any defects are found.
INSTALLATION
1.
Lubricate two preformed packings (7) with petroleum jelly. Remove caps/plugs installed and install two preformed
packings (7) onto two straight pipe-to-tube adapters (6).
2.
Remove caps/plugs on two hydraulic hoses and install two straight pipe-to-tube adapters (6) and two hydraulic
lines (1) to hydraulic pump (3).
3.
Aline and install hydraulic pump (2) onto APU (5).
4.
Secure hydraulic pump (2) to APU (5) with two lockwashers (4) and capscrews (5).
5.
Open hydraulic tank oil valve (para. 2-4).
FOLLOW-ON MAINTENANCE
1.
Reconnect battery negative (black) cable to battery (para. 4-30).
2.
Perform hydraulic system check/fill (para. 4-17).
Change 3 4-367
