TM 55-1520-240-23-9
11-116
DISASSEMBLE, INSPECT AND REPAIR ROLL VISCOUS DAMPER (1025-820) (AVIM)
11-116
INITIAL SETUP
Applicable Configurations:
All
Tools:
Hydraulic Repairer’s Tool Kit, NSN 5180-00-323-4891
Technical Inspector’s Tool Kit, NSN 5180-00-323-5114
Container, 2 Quart
Retaining Ring Pliers
Arbor Press
Soft Jawed Vise
Materials:
Cloths (E120)
Lockwire (E234)
Crocus Cloth (E123)
Personnel Required:
Aircraft Pneudraulics Repairer
Inspector
References:
TM 55-1500-322-24
Task 1-92
Equipment Condition:
Off Helicopter Task
This task must be performed in a
clean area. Dirt on parts can cause
component malfunction.
NOTE
General inspection criteria apply
unless otherwise stated (Task 1-92).
The roll viscous damper is
nontemperature compensated.
Inspection steps cover parts that are
subject to wear.
1.
Install roll viscous damper case (1) in vise (2).
2.
Remove lockwire from screw (3). Remove
screw and packing (4) from abutment (5). Drain
damping fluid through port (6). Remove case (1)
from vise (2). Use container and cloths (E120)
for spilled fluid.
3.
Install case (1) in vise (2).
4.
Remove lockwire from four screws (7). Remove
screws and cover (8) and end cover (9) from
abutment (5).
5.
Check vent hole (10) in cover (9) is open.
11-550
