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 TM 55-1905-222-14
MAINTENANCE OF HYDRAULIC STEERING SYSTEM
6-14
REPAIR HELM UNIT.
This task covers:
a. Disassembly
c. Inspection
b. Cleaning
d. Assembly
INITIAL SETUP
Tools:
Equipment Conditions:
Tool Kit, Mechanic's Rail
Reference
and Marine
removed
Helm Unit Valve Spring Installer
J600057 (96151)
Materials/Parts:
Cleaning Solvent
Item 17, Appendix E
Seal Kit
P/N 5140(96151)
600 Grit Abrasive Paper
Item 21, Appendix E
DISASSEMBLY
NOTE
Perform maintenance in a clean work area. The introduction of foreign material into
hydraulic components is undesirable.
1.
REMOVE SHAFT
AND
FLANGE ASSEMBLY
FROM HELM UNIT.
a.
Grip the main body of the helm unit (1) in a
vise, using protective jaws.
b.
Remove four mounting bolts (2) and separate
the shaft and flange assembly (3) from the
control and metering assembly (4).
6-73
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