TM 10-6640-216-13&P
Table 4-2. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM
WARNING
Before performing any maintenance actions on electrical equipment,
ensure all electrical power has been turned off. Failure to comply with
this warning may result in serious injury or death.
NOTE
Refer to electrical schematic diagram FO-1 located in back of manual
when troubleshooting electrical system.
1.
NO ELECTRICAL POWER TO LABORATORY (GENERATOR OUTPUT SWITCH
ON AND POWER CABLE PROPERLY CONNECTED).
WARNING
Do not come in contact with main power cable connections on
generator set with power applied to laboratory. Death or serious
injury may result.
Step 1. Place generator output switch OFF and shut generator down.
Step 2. Disconnect power cable from both generator and petroleum laboratory.
Step 3. Using multimeter, check power cable for open or shorted leads.
If open or shorted lead is found, replace power cable. See paragraph 2-11d., steps
(4) through (7).
Step 4. Reset circuit breaker CB1.
If power still not available, replace circuit breaker CB1. See Paragraph 4-20.
2. EMERGENCY LIGHT FAILS TO COME ON WHEN NORMAL POWER IS LOST.
Step 1. Check for blown fuse, loose or broken electrical connections. Electrical connections
are good.
Step 2. Replace emergency light. See paragraph 4-37
3. ALL CEILING LIGHTS FAIL TO OPERATE.
WARNING
Before performing any maintenance actions on eletrical equipment,
ensure all electrical power has been turned off. Failure to comply with
this warning may result in serious injury or death.
4-11
