TM-9-2350-277-20-3 Unit Maintenance Manual Volume 3 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 338 of 962
TM 9-2350-277-20-3 REPLACE RAMP DOOR SWITCH AND MOUNT (M577A3 AND M1068A3 ONLY) — Continued 0335 00 ADJUSTMENT 1. Connect battery ground lead (WP 0338 00). 2. Start engine (see your -10). 3. Raise and lock ramp (see your -10). 4. Stop engine (see your -10). 5. Loosen two screws (1) and slide switch (2) as far as possible from hull. 6. Lock ramp door handle (3) against stop (4) (see Position 1 – Against Stop). 7. Slide switch (2) against handle (3) to get approximately 1/4 inch (7 mm) clearance. Tighten screws (1). 8. Move handle (3) against detent (5) (see Position 2 – Against Detent). Clearance should be approximately 5/8 inch (16 mm). 9. Check switch for proper operation. When handle (3) is in Position 2 (Against Detent), interior lights (white) should come on and blue light should be off. When handle is in Position 1 (Against Stop) interior lights (white) should be off and blue lights should be on. Repeat Steps 5 - 9 to make adjustments until switch operates correctly. FOLLOW-THROUGH STEPS 1. Turn MASTER SWITCH to ON (see your -10). 2. Turn on dome lights and open ramp access door (see your -10). All dome lights should go off and blackout lights should come on. 3. Turn all switches OFF (see your -10). 4. Turn MASTER SWITCH to OFF (see your -10). END OF TASK 0335 00-4