TM 10-4320-344-10
Table 3-1. Troubleshooting Table. (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2 .
ENGINE STOPS SUDDENLY.
Step 1. Check fuel level gauge to see if engine has enough fuel.
Add fuel.
Step 2. Check to see if primary fuel filter needs to be drained (Table 2-10,
item 14; Table 2-11, item 18; or Table 2-12, item 14).
D r a i n f i l t e r .
3.
MODEL 609-A ENGINE TACHOMETER SHOWS LOW RPM.
Step 1. Check to see if manual throttle or electric speed control is at
correct setting (paragraph 2.5.1.1,
step g; or paragraph 2.5.1.2, step
k ) .
Adjust manual throttle or electric speed control.
4.
MODEL 609-C ENGINE TACHOMETER SHOWS LOW RPM.
Step 1. Check to see if manual throttle (manual mode) or auto throttle
rheostat (automatic mode) is at correct setting (manual mode -.
paragraph 2.5.2.1, step i; automatic mode - paragraph 2.5.2.2, step
k ) .
Adjust manual throttle of auto throttle rheostat.
5.
MODEL US636HCCD-1 ENGINE TACHOMETER SHOWS LOW RPM.
Step 1. Check to see if manual throttle is at correct setting (electric manual
mode - paragraph 2.5.3.1, step h; electric automatic mode - paragraph
2 .5 . 3 . 2 , s t e p a ).
Adjust throttle.
6.
ENGINE OIL PRESSURE GAUGE SHOWS LOW OIL PRESSURE.
Step 1.
Step 2.
Shutdown pumping assembly, paragraph 2.5.1, 2.5.2 or 2.5.3.
Check oil
dipstick to see if oil level is low (Table 2-10, item 13; Table 2-11,
item 13; or Table 2-12, item 15).
Refer to LO 10-4320-344-12 and add oil as required.
Check for oil leaks.
If leaks are found notify unit maintenance.
3-3
