Section IV. TROUBLESHOOTING
beyond the scope .of operators maintenance shall be
3-7. General
reported to organizational maintenance.
This section provides information useful in diagnosing
and correcting unsatisfactory operation or failure of the
3-8. Operator/Crew Maintenance Troubleshooting
crane, or any of its components. Each malfunction is
followed by a list of probable causes of the trouble. The
Refer to table 3-3 for operator/crew troubleshooting.
corrective action recommended is described opposite
the
probable
cause.
Any
trouble
Table 3-3. Troubleshooting
Malfunction
Probable cause
Corrective action
1
Engine overheats
a.
Radiator coolant
a
Inspect coolant level
level low
and rill
b.
V-belt loose or
b.
Adjust V-belt (para
slipping
-15, 8-16, and 3-17).
c
Air lock in header
e.
Bleed air from header
2.
Engine lacks
a
Dirty fuel filters
a
Service fuel filters
power
b.
Restricted air in-
b.
Inspect and service
take
air cleaner (pr
3-4 (model 2880))
and (para 3-10 (model
2895)).
a
Dirty fuel trans-
a
Service fuel transfer
fer filter
filter (para 3-12).
3.
Cold engine hard
a
Out of fuel
a
Add fuel
to start or fails
to start
b.
Fuel shut-off
b.
Open valve
valve closed
a
Dirty fuel fil-
c
Service fuel filters
ters
(para 3).
4.
Carrier engine
Restricted air
Service air cleaner
has excessive
intake
(para 3-4 (model
fuel consumption
2880)) (para 3-10
(model 2385)).
5.
Excessive oil con-
Wrong grade of
Refer to current
sumption
oil for weather
lubrication order
conditions.
6.
Starter fails to
Poor electrical
Clean tighten battery
crank engine
connections
cables and other
electrical connections.
7.
Battery charging
a V-belt loom
Tighten V-belt (para
generator not
3-15 thru 3-17).
charging.
b Ioose wiring
b. Inspect and tighten
wiring connections
8.
Light failure
Loose wiring
Check wiring connec-
or lights dim
connections
tions
9.
Cables tend to
a Defective cables
a
Replace cables (para
flatten
2-2).
b. Incorrect cable
b.
Install correct cables
size
(para2-2).
10. Steering assem-
Stabilizing wedges
Remove stabilizing
bly cracks when
not resolved
wedes (para 2-14)
turning.
11. Steering hard to
a
Tires not proper-
a.
Check and inflate tires
operate
ly inflated
to 55 psi.
b.
Stabilizing wedge
b.
Remove stabilizing wedges
not removed
3-7
