Custom Search
 
  
 
TM 55-1905-223-24-5
Table 2-2. Troubleshooting-CONT
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Figure 2-9. Priming Plug
b.
Fill the housing with clean fuel oil.
c.
Tighten the plug to 20 ft-lb. (30 N ) torque.
m
d.
If the priming plug is hard to remove, remove the fuel supply hose to the gear pump.
e.
Fill the gear pump with clean engine lubricating oil.
f.
If fuel does not come out of the connection now, replace the pump (para. 2-38).
g.
Install the supply hose to the gear pump.
STEP 6.
Check for excessive intake air restriction.
Refer to Malfunction 14, Step 3.
STEP 7.
Check for excessive exhaust restriction.
Refer to Malfunction 14, Step 4.
STEP 8.
Check to see if fuel pump is turning.
a.
Make sure tachometer shaft is rotating while cranking.
b.
If tachometer shaft is not turning, remove fuel pump to see if accessory drive shaft is
c.
If turning, replace fuel pump (para. 2-33).
STEP 9.
Check for broken gear pump shaft.
a
Refer to Malfunction 17, Step 5.
b.
Refer to Malfunction 17, Step 8.
c.
Replace fuel pump (para. 2-33).
STEP 10.
Check for defective or worn pump gear.
a.
Remove the tachometer drive cable from the fuel pump.
b.
Crank the engine and make sure the tachometer drive shaft is turning.
c.
Remove the fuel supply hose at the gear pump.
d.
Look into the gear pump and crank the engine. The gear pump gears must turn.
Change 2
2-43


 


Privacy Statement - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business