CHAPTER 4. FUEL SYSTEM GROUP MAINTENANCE - TM-9-2320-211-20-3-10077

TM 9-2320-211-20-3-1

CHAPTER 4

FUEL SYSTEM GROUP MAINTENANCE

Section I. SCOPE

4-1. EQUIPMENT ITEMS COVERED. This chapter gives equipment maintenance

procedures for fuel pumps, air cleaner, turbocharger, fuel tanks and fuel lines,

fuel filters, engine starting aids, and accelerator and throttle controls for which

there are authorized corrective maintenance tasks at the organizational maintenance

level.

4-2. EQUIPMENT ITEMS NOT COVERED. All equipment items for which corrective

maintenance is authorized at the organizational maintenance level are covered in this

chapter.

Section II. FUEL PUMPS

4-3. FUEL SUPPLY PUMP REMOVAL AND REPLACEMENT.

WARNING

Smoking, sparks or open flame are not allowed

within 50 feet of work area during this task.

Fire or explosion could occur, causing injury to

personnel and damage to equipment.

TOOLS : Cross-tip screwdriver (Phillips type)

Measuring tape

3/4-inch open end wrench

7/16-inch open end wrench

SUPPLIES : Intake pump gasket

Solvent, dry cleaning, type II (SD-2), Fed. Spec P-D-680

Liquid gasket cement, MIL-A- 46106A

PERSONNEL : One

EQUIPMENT CONDITION : Truck parked, engine off, handbrake set.

a. Preliminary Procedures.

(1) Disconnect battery ground cable. Refer to para 7-44.

(2) If working on truck M543A2, remove fuel tank. Refer to para 4-9.

4-1