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 TM 10-3930-631-12
D--Daily
Q-Quarterly
Time required: 2.8
Time Required: 2.8
Interval and
Item to be inspected procedure
Work
Sequence No.
Time
M
Q
(M/H)
7
CONTACT POINTS
Inspect for wear and burning. Replace if necessary (para 4-28).
0.4
8
HYDRAULIC RESERVOIR
Check oil level. Add oil as required (para 4-10).
0.2
9
BRAKE MASTER CYLINDER
Inspect for leaks. Clean fill plug vent. Add fluid as required
0.2
1
CONTROL VALVE
Check operation of controls and valve. Check for leaks
0.4
2
ELECTRICAL SYSTEM
Check and adjust components including motors, contactors
and controls (para 4-29).
0.4
3
STEERING GEAR
Check for leaks. Check operation and adjust tie rods and stops if
necessary (para 4-40).
0.4
4
AXLE DIFFERENTIAL
Check oil level. Fill if necessary. Refer to current lubrication order.
0.2
5
SERVICE BRAKES
Correct deficiencies if brake application is spongy or ineffective
04
6
PARKING BRAKE
Check operation of seat linkage. Check holding ability of parking
brake. Adjust linkage if necessary (para 4-31).
0.4
7
DRIVE GEARS
Inspect mounting screws. Tighten if necessary (para 4-48).
0.4
listed.
4-15. General
Section VI. TROUBLESHOOTING
b. This manual cannot list all malfunctions that
a.
This section contains troubleshooting
may occur, nor all tests or inspections and corrective
information for locating and correcting most of the
actions. If a malfunction is not listed or is not corrected
operating troubles which may develop in the fork lift
by listed corrective actions, notify your supervisor.
truck. Each malfunction for an individual component,
4-16. Troubleshooting Table.
unit, or system if followed by a list of tests or inspections
which will help you to determine probable causes and
The following table, Table 4-1, lists the
corrective actions to take. You should perform the
malfunctions, tests and inspections, and corrective
tests/inspections and corrective actions in the order
actions as applicable to organizational maintenance.
Table 4-3. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. TRUCK DOES NOT MOVE WHEN ACCELERATOR IS DEPRESSED.
Step 1. Check for defective fuse.
Replace fuse if defective (para 4-27).
Step 2. Check for open or defective thermal switch.
Allow truck to cool. Notify direct and general maintenance personnel to replace defective switch.
Step 3. Check for defective or improperly adjusted seat or brake interlock switch.
Adjust or replace seat switch para 4-31). or brake switch (para 4-23).
Step 4. Check for burned or pitted contact points or defective contractor.
Clean or replace contact points (para 4-28). If contractor is defective refer to direct and general support
maintenance personnel.
4-5
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