REPAIR COUNTERBALANCE VALVE

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ASSEMBLY

TM-55-1905-222-14 Landing Craft Mechanized (LCM-8) (ROHR and Gunderson Models) (1905-01-284-2647 AND 1905-01-284-2648) Manual

DISASSEMBLY

TM 55-1905-222-14

MAINTENANCE OF COUNTERBALANCE VALVE

6-16

REPAIR COUNTERBALANCE VALVE.

This task covers:

a. Disassembly

c. Inspection

b. Cleaning

d. Assembly

INITIAL SETUP

Tools:

Equipment Conditions:

Tool Kit, Mechanic's, Rail

Reference

and Marine

Para 5-35. Counterbalance valve

removed.

Materials/Parts:

Cleaning Solvent

Preformed Packing

P/N 82-20007-01,82-20210 01

and AN 6227-22

Cap Gasket

P/N 10-01256-02

Check Spring

P/N 10-00159-02

DISASSEMBLY

DISASSEMBLE COUNTERBALANCE VALVE.

Remove setscrews (1) and top cap (2).

Remove top cap gasket (3).

Remove main spring (4).

Remove spring follower (5) and preformed

packing (6).

Loosen locknut (7) and remove setscrew (8)

with attached parts. Do not remove locknut

unless damaged.

If damaged or illegible, remove drive screws (9)

and identification plate (10) from adjusting

knob (12).

6-83