| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-223-24-5
Table 2-2. Troubleshooting-CONT
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
STEP 4.
Check to see if fuel return line is restricted. Refer to Malfunction 22, STEP 3.
STEP 5.
Check for loose injector and incorrectly adjusted valve. Secure or replace injector (para.
STEP 6.
Check to see if engine is receiving too much fuel.
a.
Check fuel pressure and rate.
b.
Refer to Malfunction 24, STEP 10.
STEP 7.
Check for turbocharger turbine seal leakage. Replace turbocharger (para. 2-26).
STEP 8.
Check to see if injector cups are damaged. Replace injector (para. 2-35).
26. Engine will not shut off.
STEP 1.
Check to see if fuel pump manual override is open. Make sure manual override shutoff
screw is turned fully counterclockwise (para. 2-33).
STEP 2.
Check to see if fuel pump shutdown valve disk is stuck. Replace shutdown valve (para.
STEP 3.
Check to see if fuel tank vents are plugged. Remove, clean, or replace. (Refer to TM 55-
1905-223-24-18).
STEP 4.
Check to see if fuel return line is restricted. Refer to Item No. 22 of this table).
STEP 5.
Check to see if engine running on fumes drawn into air intake. Locate and isolate the
source of fumes.
STEP 6.
Check to see if injector. Check balls not seating or missing. Replace injector (para. 2-
34).
27. Poor deceleration.
STEP 1.
Check to see if throttle return spring in linkage is binding. Adjust if necessary. (Refer to
PMCS Table 2-1, Item No. 7.)
STEP 2.
Check to see if fuel drain lines are restricted. Refer to Malfunction 22, STEP 3.
STEP 3.
Check to see if fuel tank vents are plugged. Remove and clean. Replace as necessary
(TM 55-1905-223-24-18)
2-50
|
||
|
||
