TM-9-2350-247-20-2 Unit Maintenance Manual Volume 2 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-2 REPLACE AIR BOX HEATER, TRANSMISSION-DIFFERENTIAL TEST, INFRARED-BLACKOUT SELECTOR OR WINDSHIELD WIPER SWITCHES — Continued 0260 00 REMOVAL NOTE Instrument panel switches, indicators, and controls will vary between the M548A1 and M548A3. M548A1 instrument panel is shown. Do not remove more than one switch at a time. The four switches above are removed the same way. For M548A1, do Step 3. For M548A3, do Step 5. 1. Disconnect circuit leads 400B (1) and 406 (2) from air box heater switch (3). 2. Remove two screws (4), washers (5), and air box heater switch (3) from instrument panel (6). 3. Disconnect circuit leads 327A (7) and 328A (8) from transmission-differential test switch (9). 4. Remove two screws (10), washers (11), and transmission-differential test switch (9) from instrument panel (6). 5. Disconnect circuit leads 19 (12), 520 (13), and 514-515 (14) from infrared-blackout selector switch (15). 6. Remove two screws (16), washers (17), and infrared-blackout selector switch (15) from instrument panel (6). 7. Disconnect circuit leads 71 (18) and 71A (19) from windshield wiper switch (20). 8. Remove two screws (21), washers (22), and windshield wiper switch (20) from instrument panel (6). 0260 00-2