TM-9-2815-210-34-2-2

ENGINE ASSEMBLY, DIESEL (MULTIFUEL): NATURALLY ASPIRATED OR TURBOCHARGED, FUEL-INJECTED, WATER-COOLED, 6-CYLINDER

TECHNICAL MANUAL; TROUBLESHOOTING; DIRECT SUPPORT AND GENERAL SUPPORT LEVEL; VOLUME 2 OF 2; PART 2 OF 2

APRIL 1981

TM-9-2815-210-34-2-2 - Page 137 of 968

TM 9-2815-210-34-2-2

f .

Inspection and Repair of Valve Tappets.

1.

2.

3.

4.

5.

6.

Turn crankcase (2) right side up.

Check that 12 valve tappet bores (1) have no nicks, scratches or burrs and

that they are not scored.

Fix small nicks, scratches and burrs with a fine

mill rat tail file or crocus cloth.

WARNING

Dry cleaning solvent is flammable. Do not use near an

open flame. Keep a fire extinguisher nearby when sol-

vent is used.

Use only in well-ventilated places.

Failure to do this may result in injury to personnel and

damage to equipment.

Check that 12 valve tappets (3) have no nicks, scratches or burrs and that

they are not scored.

Fix small nicks, scratches, burrs, and scoring with a

fine mill file or crocus cloth dipped in dry cleaning solvent. If any tappet is

badly scored or damaged, throw it away and get a new one.

NOTE

Valve tappets (3) that are discolored from overheating

will look blue.

Check that 12 valve tappets (3) are not discolored from overheating. If any

valve tappet is discolored from overheating, throw it away and get a new one.

Check that pushrod sockets in 12 tappets (3) are not damaged. If pushrod

socket in any valve tappet is damaged, throw away valve tappet and get a new

one .

Check that bottom of 12 valve tappets (3) shows an even wear pattern all the

way around.

If bottom of any tappet is worn or scuffed more on one side,

throw it away and get a new one.

GO TO FRAME 2

4-118