TM-9-2350-247-20-3 Unit Maintenance Manual Volume 3 M548A1 M548A3 Tracked Cargo Carrier Download
Page 239 of 832
TM 9-2350-247-20-3 REPLACE VEHICLE COMPARTMENT HEATER CONTROL BOX — Continued 0431 00 INSTALLATION NOTE Installation of heater control box is similar for M548A1 and M548A3. Differences are noted in steps. 1. Install bracket (1), two screws (2), and new lock nuts (3) on hull (M548A3). 2. Install heater control box (4), two mounts (5), mounts (6), washers (7), and new lock nuts (8) on bracket (1) (M548A3). 3. Install heater control box (4), two mounts (5), washers (7), and new lock nuts (8) on hull (M548A1). 4. Install ground lead (9) on heater control box (4) with two new lock washers (10) and screw (11). 5. Connect wiring harness (12) to receptacle (13) on heater control box (4). 6. Connect circuit 400D lead (14) to heater control box lead (15). 0431 00-3