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 TM 10-3930-632-12
Table 4-1. Organizational Preventive Maintenance Checks and Services - Continued
Q-Quarterly
S-Semiannually
A-Annually
B-Biennially H-Hours
M-Miles
ITEM
INTERVAL
ITEM TO BE INSPECTED
NO.
Q
S
A
B
H
M
PROCEDURE: Check for and repair, fill or adjust as needed.
MASTASSEMBLY
8
250
a. Lubricate sliding arid roller contact surfaces.
250
b. Visually inspect chains for signs of wear, damage, or excess stress.
HYDRA ULIC OIL TANK BREATHER
9
500
Clean breather. Replace if damaged or unserviceable.
BRAKE PEDAL ADJUSTMENT
10
500
Adjust brake pedal free play to from 118 to 114 inches.
PARKING BRAKE
11
500
Adjust as necessary to hold truck on approximately 15 slope. Lubricate linkage.
ELECTRICAL SYSTEM
12
.500
Check tightness of terminals, wires, cables, and electrical components. Check for and
have any broken wires replaced.
HOSES, TUBES AND FITTINGS
13
500
Inspect, replace or have replaced if necessary. Correct any leaks that are evident.
WHEELS
14
500
a. Inspect brake shoes and replace as necessary (linings less than 1/16 inch).
500
b. Inspect wheel cylinders for leaks, cracks, or damage.
1000
c. Clean and lubricate wheel bearings (ref. LO 10-3930-632-12).
TRANSMISSION AND DIFFERENTIAL
15
1000
Drain oil and replace transmission oil filter. Refill with oil to bring fluid level up to FULL
mark on dipstick (ref. LO 10-3930-632-12).
HYDRAULIC RESERVOIR
16
1000
Drain hydraulic oil and replace filter. Refill reservoir to bring level up to FULL mark on
dipstick (ref. LO 10-3930-632-12).
ENGINE VALVES
17
1000
Check valve clearance and adjust as necessary.
RADIATOR
18
Check antifreeze protection. Drain, flush and refill as required (ref. TB 750-651).
Section VI. TROUBLESHOOTING
4-11.
General
take.
Perform the tests/inspections and corrective
a.
actions in the order listed.
This section contains troubleshooting
b. This manual cannot list all malfunctions that
information for locating and correcting most of the
may occur, nor all tests or inspections and corrective
troubles which may develop in the fork lift truck. Each
actions. If a malfunction is not listed or is not corrected
malfunction for an individual component, unit, or system
by listed corrective actions, notify your supervisor. (See
is followed by a list of tests or inspections which will help
to determine probable causes and corrective actions to
Table 4-2. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE
1. ENGINE WILL NOT START (AMMETER SHOWS NO DISCHARGE).
Step 1. Check for defective ignition switch.
Replace switch if defective. Refer to paragraph 4-22.
Step 2. Inspect ignition primary wires and starting motor cables for breaks and loose connections.
Repair or replace and tighten.
Step 3. Check coil for open primary winding.
Replace coil (para 4-36).
Step 4. Inspect distributor points for dirt and maladjustment.
Clean, adjust or replace points (para 4-34).
Change 1 4-4
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