Chapter 22. NONELECTRICAL GAGES GROUP MAINTENANCE

TM 9-2320-209-20-3-4

CHAPTER 22

NONELECTRICAL GAGES GROUP MAINTENANCE

Section I. SCOPE

22-1. EQUIPMENT ITEMS COVERED. This chapter gives equipment maintenance

procedures for nonelectrical gages for which there are authorized corrective main-

tenance tasks at the organizational maintenance level.

22-2. 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.

NONELECTRICAL

GAGES

22-3. TACHOMETER ASSEMBLY REMOVAL, REPAIR , AND REPLACEMENT.

TOOLS :

Flat tip screwdriver

3/4-inch open end wrench

7 /16-inch open end wrench

7/16-inch open end wrench

l-inch open end wrench

3/8-inch open end wrench

Slip joint pliers

SUPPLIES :

Tachometer drive plug gasket

Tachometer drive adapter gasket

Rubber grommet

PERSONNEL : One

EQUIPMENT CONDITION :

Truck parked, engine off, handbrake set.

Preliminary Procedures.

(1) Disconnect battery ground cable. Refer to Part 1, para 7-58.

(2) Open hood and left side panel. Refer to TM 9-2320-20%10.

(3) Take off air compressor belt. Refer to Part 2, para 13-34.