TM-5-3805-264-13-P
TRUCK, DUMP, HEAVY, BODY M917A1 AND M917A2
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JUNE 2014
TM-5-3805-264-13-P - Page 120 of 660
MCS GATE - Continued
MALFUNCTION
MCS gate will not operate with driver’s controls.
CORRECTIVE ACTION
1.
Check for air leaks throughout vehicle (chassis) air system.
Tighten or replace leaking or damaged air system components (TM 9-2320-302-20-1,
TM 9-2320-302-20-2, TM 9-2320-363-20-1, or TM 9-2320-363-20-2).
2.
Check MCS tailgate for leaking or damaged air system components.
Tighten or replace leaking or damaged components ((WP 0046), (WP 0049), (WP 0050),
(WP 0051), or (WP 0047)).
NOTE
For assistance in troubleshooting an MCS electrical malfunction, refer to Wiring
Diagrams (WP 0077).
3.
Check MCS fuse for continuity.
Replace damaged fuse (TM 9-2320-302-20-1, TM 9-2320-302-20-2, TM 9-2320-363-20-1,
or TM 9-2320-363-20-2).
4.
Check driver’s MCS control unit switches for voltage and continuity.
Replace damaged switches (WP 0024).
5.
Check truck–to–MCS tailgate wiring harness for voltage and continuity.
Repair or replace damaged truck–to–MCS tailgate wiring harness (WP 0034).
6.
Check MCS tailgate wiring harness and air cylinder solenoids for voltage and continuity.
a.
Repair or replace damaged MCS tailgate wiring harness (WP 0034).
b.
Replace damaged MCS air cylinder solenoids (WP 0050).
MALFUNCTION
MCS gate will not operate with remote control.
CORRECTIVE ACTION
1.
Check for air leaks throughout vehicle (chassis) air system.
Tighten or replace leaking or damaged air system components (TM 9-2320-302-20-1,
TM 9-2320-302-20-2, TM 9-2320-363-20-1, or TM 9-2320-363-20-2).
2.
Check MCS tailgate for leaking or damaged air system components.
Tighten or replace leaking or damaged components ((WP 0046), (WP 0049), (WP 0050),
(WP 0051), or (WP 0047)).
TM 5-3805-264-13&P
0014
0014-2
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