TM 9-2510-247-13&P
UNIT TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM
1. NOTHING HAPPENS WHEN ELECTRICAL CONTROL BOX ON/OFF SWITCH IS ENGAGED
Step 1.
Is push button being engaged to activate hydraulic motors?
If no, engage push button to activate hydraulic motors.
If yes, go to step 2.
Step 2.
Is there minimum12VDC on batteries?
If no, connect IVEC cable to prime mover and 12/24 volt junction box.
If yes, go to step 3.
Step 3.
Is there voltage at on/off switch?
If no, check for broken wire that supplies on/off switch (WP 0088).
If yes, go to step 4.
Step 4.
Is there power on only one side of on/off switch?
If no, go to step 4.
If yes, replace switch.
Step 5.
Is there power to 12-24 volt junction box?
If no, disconnect cable connector at junction box receptacle. Check for
minimum 12 or 24 volt ouput from prime mover as determined by prime mover.
If yes, go to step 5.
0027 00-1
