4-23 Motor Plate Replacement

TM 5-2590-512-13&P SECTION V. UNIT MAINTENANCE PROCEDURE 4-23 Motor Plate Replacement. This task covers: a. Removal b. Installation Initial Setup Tools: Equipment Conditions: General Mechanic's Tool Kit Chain removed (4-20). 5180-00-177-7033 Materials and Parts: Lock washers a. Removal 1. Loosen lock-up nut (1) on each adjusting rod (2), 2. Remove two adjusting rods (2) by turning welded nut (3) on each adjusting rod end. 3. Remove four nuts (4), four lock washers (5), four flat washers (6) and four bolts (7), from motor plate (8). 4. Slide motor plate (8), with hydraulic motor (9), (with short hoses) attached, out of main housing (10). 5. Remove four nuts (11), four lock washers (12), and four bolts (13), from motor plate (8). Remove motor (9) (with sprocket and hoses attached) from motor plate (8). 6. Remove and save spare master link (14). b. Installation 1. Install hydraulic motor (9) on motor plate (8), with four bolts (13), four lock washers (12), and four nuts (11).Tighten four nuts (11) to 65-75 Ib. ft. (88-102 N•m) 2. Slide motor plate (8), and hydraulic motor (9) into the main housing (10). Ensure master link holder (14) is facing outward. 3. Install four bolts (7), four flat washers (6), four lock washers (5) and four nuts (4) fastening the motor plate to drive housing. Finger tighten four nuts (4). 4. Install the two adjusting rods (2). Do not tighten lock-up nuts (1). 5. Install spare master link (14) in welded washer on replacement motor plate (8). FOLLOW ON TASKS: Install chain (para. 4-20) END OF TASK 4-24