TM 1-1520-238-23
7-310
7.77.
UTILITY HYDRAULIC MANIFOLD LOW LEVEL VALVE REPLACEMENT (AVIM)
7.77.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
7.77.2. Initial Setup
Tools:
Hydraulic tool kit (item 384, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
3/16-inch hexagon x 3/8-inch drive screwdriver socket
wrench attachment (item 323, App H)
30 - 150 inch-pound 3/8-inch drive click type torque
wrench (item 441, App H)
Materials/Parts:
Backup ring (2)
Packing (3)
Packing retainer (4)
Hydraulic fluid (item 92, App F)
Wire (item 226, App F)
Personnel Required:
68H
Aircraft Pneudraulics Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
7.77.3. Removal
a. Remove cap (1) from manifold (2).
(1) Remove lockwire from cap (1).
(2) Remove cap (1) from manifold (2).
(3) Remove and discard two backup rings (3)
and packing (4) from cap (1).
NOTE
The lap assembly consists of two parts,
the slide and sleeve. They are a matched
set and both parts must be replaced to-
gether.
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