Replace Electric Motor - TM-55-1905-223-24-90059

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FIGURE 2-8. Remove Hydraulic Pump.

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

Replace Electric Motor

TM 55-1905-223-24-9

2-18. Replace Electric Motor. (FIGURE 2-9)

This task covers:

a. Check

b. Removal

c. Replacement

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's,

Equipment shut down and tagged

"Out of Service - Do Not Operate."

Tool kit, electrician's,

See TM 55-1905-223-10.

Refer to the following paragraph in this

maintenance manual:

Materials/Parts

Motor, P/N 80-120055

CHECK

Check bearing temperature with thermometer and not by hand. If bearings are hot (over 180 degrees F.), the

condition may be the result of too much lubricant. If changing lubricant does not correct condition, replace

motor.

REMOVAL

a. Remove four cover screws (2) from electrical connection box. Remove cover (1).

b. Tag and disconnect electrical wires.

c. Remove four hexagon head capscrews (3), lockwashers (4), and hexagon plain nuts (5) securing motor to

pumpset frame.

d. Remove motor (6) from pumpset frame (7).

REPLACEMENT

a. Position motor over mounting holes and secure with four hexagon head capscrews (3), lockwashers (4), and

hexagon plain nuts (5).

b. Connect wires and remove tags.

c. Install cover (1) and secure with cover screws (2) to electrical connection box.

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