Replace/Repair Hydraulic Cylinder Assembly

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FIGURE 3-1. Followup Unit.

TM-55-1905-223-24-9 Steering Gear System for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

REPLACEMENT

TM 55-1905-223-24-9

3-9. Replace/Repair Hydraulic Cylinder Assembly. (FIGURE 3-2)

This task covers:

a. Removal,

b. Repair,

c. Replacement,

d. Adjustment.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's,

Equipment shut down and tagged

"Out of Service - Do Not Operate."

See TM 55-1905-223-10.

Materials/Parts

Tiller pin, P/N 620-0061

Hydraulic cylinder assembly,

P/N 600-0045

Bearing, P/N 610-0079

Utility pail, Item 28, Appendix C

REMOVAL

a. Close the two shutoff valves to the cylinder.

b. Position utility pail at hydraulic cylinder assembly (1).

c. Disconnect two hydraulic hoses (2) at cylinder and cap two hydraulic hoses.

d. Remove setscrew (11) and lockwasher (10).

e. Turn clevis (5) counterclockwise off rod (8) and remove.

f. Remove locking plate (12).

CAUTION

Wipe up oil spills.

g. Remove tiller pin (6) and bearing (7) connecting cylinder to tiller arm (4) and lower cylinder end to deck.

h. Support cylinder and remove mounting pad connecting pin (3). Lower cylinder assembly to deck.

REPAIR

Repair at this level consists of replacing: hydraulic cylinder assembly (1), tiller pin (6), and bearing (7).

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