INSPECTION - TM-9-2320-269-34-10211

TM 9-2320-269-34-1

CRANKSHAFT AND CAMSHAFT TIMING GEARS - CONTINUED

ACTION

LOCATION

ITEM

REMARKS

INSPECTION

Cylinder block (1)

Crankshaft timing

Using dial indicator, check gear backlash.

gear (2) and cam-

If backlash Is more than 0.0005 to

shaft timing

0.0045 inch (0.013 to 0.114 mm

gear (3)

replace timing gear and Injection

pump drive gear (page 2-325).

Camshaft timing

Using dial indicator, check and record end

gear (3)

play.

If end play is more than 0.0035 to

0.0115 inch (0.089 to 0.292 mm)

remove camshaft (page 2-184) and

replace the camshaft thrust plate.

Cylinder block (1)

Crankshaft timing

Using dial indicator, check and record

gear (2)

end play.

If end play Is more than 0.004 to

0.010 inch (0.102 to 0.254 mm),

crankshaft thrust bearings or thrust

faces are worn and must be replaced

(page 2-114).

REMOVAL

Camshaft timing

Nut (4)

Using scribe, matchmark gears

gear (3)

(2) and (3).

Using 1 7/16-inch socket impact

wrench and air compressor, unscrew

and take off.

Camshaft (5)

Spacer (6) and

Using gear puller, pull off.

camshaft timing

If shims are present, tag for

gear (3)

installation.

Crankshaft (7)

Crankshaft timing

Using gear puller, pull off.

gear (2)

CLEANING

NOTE

For more information on how to clean parts, go to General Maintenance Instructions (page 2-46).

2-194