CHAPTER 2 DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

TM 10-3930-242-34

Chapter 2

DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

Section I. REPAIR PARTS, SPECIAL TOOLS, AND EQUIPMENT

2-1. Special Tools and Equipment

242-34P/2, and are listed in Table 2-1. Refer-

ences indicating the use of these tools are listed

T h e special tools required to perform direct

in the table. No special equipment is required by

support and general support maintenance on

d i r e c t or general support maintenance person-

t h e forklift trucks are listed and illustrated in

nel for performance of maintenance on the fork-

TM 10-3930-242-34P/1 and TM 10-3930-

lift truck.

Table 2-1. Special Tools

Injector tool, timing ------------------

5220-387-9581

3-14

Timing fuel injectors

3930-73'7-6430

Kit, pressure gage --------------------

5-13

Charge accumulator

4910-861-2068

5-13

Charge accumulator

Regulator charging Accumulator Kit ___

5120-009-8602

5-6

Adjust wheel bearing nut

Socket, bearing adjusting nut ----------

2-2. Maintenance Repair Parts

10-3930-242-34P/2, for direct and general sup-

p o r t maintenance of this equipment.

Repair parts and equipment are listed and

illustrated in TM 10-3930-242-34P/1 and TM

Section II. TROUBLESHOOTING

2 - 3 . General

MALFUNCTION

TEST OR INSPECTION

This section contains troubleshooting infor-

CORRECTIVE ACTION

m a t i o n for locating and correcting most of the

Step 2. Check for leaking or defective valves.

troubles that may develop on the forklift truck.

Repair or replace valves (para 3-20).

Step 3. Check for low compression caused by broken

2-4. Troubleshooting Chart

or worn piston rings.

a. In table 2-2, each malfunction for an indi-

Replace defective piston rings (para 3-26).

Step 4. Check for defective fuel pump.

vidual component, unit, or system is followed by

Repair or replace fuel pump (para 3-16).

a list of tests or inspections that will help you to

Step 5. Check for defective starter circuit.

d e t e r m i n e probable causes or corrective actions

Repair starter circuit continuity (para

t o take. You should perform the tests, inspec-

3-11).

t i o n s and corrective actions in the order listed.

2. ENGINE MISSES OR RUNS ERRATICALLY.

Step 1. Check fur defective fuel injector.

b. This manual cannot list all malfunctions

Repair or replace fuel injector (para 3-14).

t h a t may occur, nor all tests or inspections and

Step 2. Check for defective valves.

corrective actions. If a malfunction is not listed

Repair or replace valves (para 3-20).

o r is not corrected by listed corrective actions,

Step 3. Check for low compression caused by broken

or worn piston rings.

n o t i f y your supervisor.

Replace defective piston rings (para 3-26).

Table 2-2. Troubleshooting

Step 4. Check for inadequate fuel flow.

MALFUNCTION

Make a fuel flow test (para 3-16).

TEST OR INSPECTION

3. ENGINE LACKS POWER

CORRECTIVE ACTION

Step 1. Check for low air box pressure.

Replace air cleaner element or clean blower

1. ENGINE HARD TO START OR FAILS TO START.

screen (para 3-4), or replace engine end

Step 1. Check for defective starter motor.

plate gaskets (para 3-35).

Repair or replace starter (para 3-11).

2-1