CHAPTER 2 DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

TM 10-3930-633-34

CHAPTER 2

D I R E C T SUPPORT AND GENERAL SUPPORT

MAINTENANCE

INSTRUCTIONS

Section I. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT

may be readily accomplished by use of tools

2-1. General

normally available at direct and general support

No special tools or equipment are required to

level.

perform the direct support and general support

maintenance procedures outlined in this manual.

2-2. Direct Support, General Support, and Depot

Although some of the illustrations within the

Maintenance Repair Parts

repair c h a p t e r s depict the use of specially

Repair parts are listed and illustrated in the

fabricated t o o l s d e s i g n e d b y t h e e n g i n e

Repair Parts and Special Tools List for Direct

manufacturer, the use of such tools is not

Support, General Support and Depot Main-

mandatory for the successful performance of the

tenance, TM 10-3930-633-34P.

required procedure, and all required procedures

Section II. TROUBLESHOOTING

which will aid in determining probable causes and

2-3. General

corrective actions to take. Perform these tests/

a. This section contains troubleshooting in-

inspections and corrective actions in the order

formation for locating and correcting most of the

listed.

operating troubles which may develop in the

b. This manual cannot list all malfunctions

See table 2-1. Each

warehouse tractor.

that may occur, nor all tests or inspections and

malfunction for an individual component, unit, or

corrective actions, notify your supervisor.

system is followed by a list of tests or inspections

Table 2-1. Troubleshooting

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

FUEL SYSTEMS

1. FUEL NOT REACHING CARBURETOR.

Step 1. Check fuel level in tank, also check for dirt or sediment in bottom of tank.

Drain and/or refill fuel tank.

Step 2. Check for damaged or leaky fuel lines between fuel tank and carburetor.

Repair or replace damaged fuel lines (see TM 10-3930-633-12).

Step 3. Check fuel filter element for obstructions.

Replace fuel filter (see TM 10-3930-633-12).

Step 4. Check to see if fuel pump is delivering sufficient fuel (see TM 10-3930-633-12).

Replace fuel pump (see TM 10-3930-633-12).

2. CARBURETOR NOT DELIVERING PROPER MIXTURE.

Step 1. Check for improper choke adjustment.

Adjust to provide full opening with choke control pushed fully in (see TM 10-3930-633-12).

Step 2. Remove carburetor and check for stuck float or blocked fuel passage.

Disassemble and repair carburetor (see para. 3-4).

3. HIGH FUEL CONSUMPTION.

Step 1. Check carburetor adjustment.

Adjust carburetor to specifications (see TM 10-3930-633-12).

2-1