TM 10--3510--221--24
0257 00--1
DRUM MOTOR REPLACEMENT
0257 00
THIS WORK PACKAGE COVERS:
Removal, Installation
INITIAL SETUP:
Maintenance Level
Materials/Parts
Direct Support
Tags, (Item 9, WP 0271 00)
Strap, Tiedown, 8” LG (Item 13, WP 0275 00)
Washer, Lock, (Item 27, WP 0275 00)
Washer, Lock, (Item 30, WP 0275 00)
Tools and Special Tools
Equipment Conditions
Tool Kit, General Mechanics (Item 1, WP 0272 00)
LADS power shut off at main control
Multimeter (Item 2, WP 0272 00)
enclosure (WP 0112 00).
Bearing Puller (Item 4, WP 0272 00)
Front air bags must be inflated.
Forklift, 5,000 lbs
REMOVAL
WARNING
The inverter drive must discharge before it is safe to disconnect wire connections. DEATH
ON CONTACT may result if personnel fail to observe this safety precaution.
1. Loosen eleven latches (1), then lift door (2) off of inverter enclosure (3).
2. Loosen two captive screws (4), then remove cover (5) from inverter drive (6).
3. Verify CRG indicator (7) is off and use multimeter to verify voltage is not present at output bus (8).
4. Tag and disconnect motor cable (9) from output bus (8).
5. Loosen nut (10) then pull motor cable (9) out of cord grip (11).
1
3
11
10
9
10
11
9
6
7
5
4
8
2
