TM 5-3805-264-14&P
Table 3-1. Operator Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
MCS (M917A1 W/MCS)
1.
MCS GATE WILL NOT OPERATE.
Step 1.
Check position of MCS gate(s) adjustment tube locking pins.
Position locking pin(s) to desired operating position (paragraph 2-12).
Step 2.
Check that all air reservoir draincocks are closed.
Close all draincocks.
Step 3.
Start engine and check for possible air leaks at air reservoirs, hoses, fittings, and MCS gate
air cylinders.
Notify Unit Maintenance of any leaks
Step 4.
MCS gate still fails to operate.
Notify Unit Maintenance.
2.
MCS GATE WILL NOT OPERATE WITH DRIVER’S CONTROLS.
Step 1.
Check if MCS remote control is connected to left or right side of MCS tailgate.
Disconnect MCS remote control from MCS gate.
Step 2.
Check position of MCS gate(s) adjustment tube locking pins.
Position locking pin(s) to desired operating position (paragraph 2-12).
Step 3.
Check that all air reservoir draincocks are closed.
Close all draincocks.
Step 4.
Start engine and check for possible air leaks at air reservoirs, hoses, fittings, and MCS gate
air cylinders.
Notify Unit Maintenance of any leaks.
Step 5.
MCS gate still fails to operate.
Notify Unit Maintenance.
3.
MCS GATE WILL NOT OPERATE WITH REMOTE CONTROL.
Step 1.
Check if MCS remote control is properly connected to left or right side of MCS tailgate.
Connect remote control to MCS tailgate,
Step 2.
Check position of MCS gate(s) adjustment tube locking pins.
Position locking pin(s) to desired operating position (paragraph 2-12).
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