TM 1-1520-238-23
6-139
6.30.
ENGINE NOSE GEARBOX LUBE PUMP REMOVAL/INSTALLATION
6.30.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.30.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
Materials/Parts:
Packing (5)
Bolt (2) (MS9490-02 for removal)
Petrolatum (item 138, App F)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.123
Engine nose gearbox fairings and shrouds
removed
1.28
Engine nose gearbox oil sump drained
6.29
Engine nose gearbox oil pressure transduc-
er removed
NOTE
This task is typical for either No. 1 or No.
2 engine nose gearbox lube pump.
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