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Section II. TROU8LESHOOTING		Up
TM-5-6115-465-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 30 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual		Next
Table 2-2. TROUBLESHOOTING (CONT)

TM 5-6115465-34
TO 35C2-3446-2
NAVFAC P-8-625-34
TM 06858B/06859D-34
Table 2-2.
TROUBLESHOOTING (CONT)
PR0BABLE CAUSE
MALFUNCTION
CORRECTIVE ACTION
c. Repair or replace valves
c.
Burned or sticking valves
4.
Engine misses or
(para. 3-53).
runs erratically
(28 and 29, figure 3-44).
(Cont)
d. Defective head gasket (n,
d.
Replace head gasket
figure 3-44).
(para. 3-53).
e.
Adjust governor (para.
e. Improper governor adjust-
ment.
4-7), MEP 104A, or
4-7.19 MEP114A).
5.
Engine stops
a. Repair or replace fuel
a. Defective fuel injection
pump (figure 3-19).
suddenly
injection pump (para.
3-20).
b.
b.
Repair or replace speed
Defective speed switch
switch (para. 3-6).
(figure 3-14)0
Test and replace relay
c.
c. Defective protective
relay assembly (24,
assembly (para. 5-11).
figure 5-19).
a.
6. Engine lacks
Repair or replace fuel
a. Defective fuel injection
injection pump (para.
pump (figure 3-19).
power
3-20).
b.
b.
Clean, repair or replace
Dirty or defective fuel
fuel injection nozzles
injection nozzles
(figure 3-23).
(para. 3-21).
c. Repair or replace valves
c. Burned or sticking valves
(28 and 29, figure 3-44).
(para. 3-52).
d.
Replace valve springs
d.
Weak or broken valve
(para. 3-53).
springs (26 and 27,
figure 3-44).
e.
Replace piston rings
e. Worn or broken piston
rings (20, figure 3-50).
(para. 3-55).
f.
f.
Adjust or repair hydrau-
Actuator unit defective or
lic actuator unit (para.
out of adjustment (figure
3-35, MEP 104A, or 4-30.4,
3-42 or electric
actuator (para. 4-7.2).
MEP 114A).
Test and repair hydraulic
Defective hydraulic pump
g.
g.
pump (para. 3-40).
(figure 3-33).
h.
h.
Replace defective cylin-
Defective cylinder head
der head gasket (para.
gasket (11, figure 3-44),
3-53).
i.
i.
Improper governor adjust-
Adjust governor (para.
4-7, MEP 104A, or
ment.
4-7.1, MEP 114A).
a.
Repair or replace valves
7.
a. Burned or sticking valves
Engine will not
idle smoothly
(28 and 29, figure 3-44).
(para. 3-53).
b.
Weak or broken valve
b.
Replace valve springs
springs (26 and 27,
(para. 3-53).
figure 3-44).
c.
c. Fuel injection nozzles out
Clean, adjust, or re-
place fuel injection
of adjustment, dirty or
defective (figure 3-23).
nozzles (para. 3-21).
d.
Replace camshaft (para.
Defective canshaft
d.
3-54).
(figure 3-48).
e. Fuel injection pump
e. Adjust. repair, or re-
defective or out of time
place fuel injection
(figure 3-19).
pump (para. 3-20).
2-4 Change 5

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