TM 1-1520-238-23
6-105
6.19.
ENGINE NOSE GEARBOX OIL FILTER BOWL, STRAINER ELEMENT, AND DIFFERENTIAL
PRESSURE SWITCH (RETAINER, RINGED TYPE) REMOVAL/INSTALLATION
6.19.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.19.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Light duty laboratory apron (item 27, App H)
1 1/4 x 3/8-inch drive open end socket wrench crowfoot
attachment (item 89, App H)
Industrial faceshield (item 129, App H)
0.000 - 0.125-inch dial indicator depth gage (item 145,
App H)
Chemical protective gloves (item 154, App H)
Retaining ring pliers (item 227, App H)
Adjustable air filtering respirator (item 262, App H)
0 - 300 inch-pound 3/8-inch drive click type torque
wrench (item 439, App H)
Materials/Parts:
Packing (2)
Packing retainer
Assembly fluid (item 30, App F)
Brush (item 34, App F)
Sealing compound (item 175, App F)
Wire (item 226, 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
NOTE
This task is typical for either No. 1 or No.
2 engine nose gearbox oil filter bowl,
strainer element, and differential pres-
sure switch.
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M04-3365-1
