TM5-3820-256-10
3-25.
Night Lighting. Troubleshooting procedures for the night lighting are listed in table 3-18.
a. The table lists the common malfunctions that you may find during the operation or maintenance of the night
lighting. You should perform the tests/ inspections and corrective actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all tests/inspections and corrective actions. If a
malfunction is not listed or is not corrected by listed corrective action, notify your supervisor.
Table 3-18. Troubleshooting the Night Lighting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
LAMP WILL NOT
Step 1. Check to see if
Move switch to ON position.
LIGHT.
floodlight switch in truck
cab is in ON position.
Step 2. Check to see if
Reconnect socket to lamp.
socket has become disconn-
ected from lamp.
Step 3. Exchange lamp to
Replace burned out lamp.
see if it is burned out.
3-26.
Fuel Transfer Pump. Troubleshooting procedures for the fuel transfer pump are listed in table 3-19.
a. The table lists the common malfunctions that you may find during the operation or maintenance of the fuel
transfer pump. You should perform the tests/inspections and corrective actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all tests/inspections and corrective actions. If a
malfunction is not listed or is not corrected by listed corrective action, notify your supervisor.
Table 3-19.
Troubleshooting the Fuel Transfer Pump
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
PUMP MOTOR
Step 1. Check to see if
Turn switch on.
WILL NOT START.
cab-mounted pump switch
is on.
Step 2. Check to see if
Turn switch on.
pump-mounted pump switch
is on.
2.
PUMP RUNS BUT
Step 1. Check to see if
Fill the fuel tank.
DOES NOT DELI-
the fuel tank is empty.
VER FUEL.
Step 2. Check to see if
Clean fuel tank vent.
fuel tank vent is obstructed.
3-64
