Piston Head.

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FIGURE 4-1. Hydraulic Cylinder Assembly.

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

ADJUSTMENT

TM 55-1905-223-24-9

(4) Remove wiper ring (8), preformed packing (9, 10), and bushing (11).

c. Piston Head.

(1) Slide rod (34) out of cylinder barrel (20).

(2) Remove setscrew (14).

(3) Separate piston head (13) from rod.

(4) Remove wear strip (12), U-cups (26), and preformed packing (27).

d. Body.

(1) Remove snap rings (23).

(2) Remove spools (22) and preformed packing (25) from body (24).

e. Tail.

(1) Remove machine screw (19) and lockwasher (18).

(2) Remove pin (16) securing tail (17) to mounting pad (15). Remove tail (17).

REPAIR

Repair consists of replacing: lubrication fittings (21), wiper (5), wiper ring (8), preformed packing (10), packing

assembly (9), bushing (11), pin (16), mounting pad (15), tail (17), retaining ring (23), preformed packing (25, 27)

wear strip (12), and U-cup (26).

ASSEMBLY

a. Tail.

(1) Position tail (17) over mounting pad (15).

(2) Install pin (16) and secure tail with lockwasher (18) and machine screw (19).

b. Body.

(1) Install preformed packing (25) and spools (22) in body (24).

(2) Install snap rings (23) in body.

c. Piston Head.

(1) Install preformed packing (27), U-cups (26), and wear strip (12).

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