REMOVAL - TM-55-1730-228-13-P0279

TM 55-1730-228-13&P

4-26. DECK EXTENSIONS - REPLACE (Continued)

4-26

a. REMOVAL:

(1) Remove plastic ties that secure bumper wires to the deck and discard.

(2) Tag deck extension bumper wires at the platform junction box for ease of identification during installation.

(3) Disconnect the bumper wires (1, Figure 4-29) at the platform junction box (2).

(4) Cut terminals from wires. Remove strain relief (3). Tie about 20 ft (6 m) of string to wires and pull wires through

conduit.

(5) Extend the deck (4) approximately 3/4 of its length.

(6) Install a 2 x 4 x 12" block between platform and frame.

(7) Support deck extension using chains and slings.

(8) Tag camfollower assemblies (5) left and right for ease of reassembly.

(9) Remove four capscrews (6) securing four camfollower assemblies (5) to platform frame. Remove camfollower

assemblies.

CAUTION

Guide the bumper wires to prevent damage during removal.

(10) Lift deck extension (4) away from platform (7).

b. INSTALLATION:

(1) Use hoist and lift deck extension (4) into position about 1/4 of its length retracted into the platform (7).

(2) Clean and lubricate camfollowers with multipurpose spray lubricant.

(3) With one mechanic lifting up on deck extension (4), refer to identification tags and place camfollower assemblies

(5) in position and secure with four capscrews (6).

(4) Route the bumper wires (1) through the conduit and strain relief fitting (3) using string to pull through.

(5) Remove hoist and slings.

(6) Remove 2 X 4 X 12" block from between platform and frame.

(7) Install new terminals on bumper wires (1).

(8) Using identification tags, position each wire on its proper terminal and tighten. Extend deck fully.

(9) Secure bumper wires with plastic tie straps as required.

(10) Install guard rails. See para 3-42.

END OF TASK

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