TM-5-5420-202-20-2

M60A1 CHASSIS, TRANSPORTING; FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL; VOLUME 2 OF 4

OCTOBER 1985

TM-5-5420-202-20-2 - Page 522 of 734

TM 5-5420-202-20-2

MANIFOLD HEATER SPARK PLUG REPLACEMENT (Sheet 1 of 1)

TOOLS:

3/4 in. combination box and open end wrench

7/8 in. combination box and open end wrench

Feeler gage

PRELIMINARY PROCEDURE:

Remove powerplant (page 5-2)

REMOVAL:

1. Using 3/4 inch wrench, disconnect ignition cable (A) from spark plug (B).

2. Using 7/8 inch wrench, remove spark plug (B) with gasket.

INSTALLATION:

1.

2.

3.

4.

5.

Using feeler gage, set spark plug gap at 0.097 inch (-0.003 or +0.017).

Using 7/8 inch wrench, install spark plug (B) and gasket.

Connect ignition cable (A) to spark plug (B). Using 3/4 inch wrench, tighten ignition

cable (A) to spark plug (B).

Perform manifold heater operational check (page 7-288).

Install powerplant (page 5-14).

End of Task

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