TM 5-1940-322-24
0161 00
ENGINE VALVE TAPPETS MAINTENANCE (Contd)
NOTE
The valve tappets on both engines are replaced the same way. This
procedure covers the replacement of valve tappets on one engine.
The tappet installation kit includes the rubber bands, trough, and
tappet installation tool.
REMOVAL
1.
Insert trough (3) to full length of cam bore (2).
2.
Position trough (3) to catch tappet (1) when wooden dowel (4) is removed.
CAUTION
Identify and mark the location of each tappet as it is removed.
Tappets must be installed in their original locations. Failure to
comply may result in damage to equipment.
3.
Attach rubber bands (5) to wooden dowels (4) not being removed.
CAUTION
Take care when removing the No. 6 cylinder tappets. Do not knock
or shake these tappets over the end barrier of the trough. Failure
to comply may result in damage to equipment.
NOTE
Remove one tappet at a time. Attach a rubber band to the other
wooden dowels to support the companion dowel not being removed.
Tappet should fall through to trough. If tappet does not fall, gently
shake trough, allowing tappet to fall through.
4.
Pull wooden dowel (4) from tappet bore (6), allowing tappet to fall into trough (3).
5.
Carefully pull trough (3) and tappet (1) from cam bore (2) and remove tappet (1).
6.
Repeat steps 1 through 5 for remaining tappets.
CLEANING AND INSPECTION
1.
For general cleaning and inspection instructions, refer to WP 0013 00.
WARNING
Skysol 100 solvent is combustible; DO NOT use or store near heat,
sparks, flame, or other ignition sources. Use mechanical ventilation
whenever product is used in a confined space, heated above
ambient temperatures, or agitated. Keep container sealed when not
in use.
Contact with Skysol 100 may cause skin irritation. Use chemical-
resistant gloves. In case of skin contact, remove any contaminated
clothing and wash skin thoroughly with soap and water. Wash
contaminated clothing before reuse. Eye contact may cause
irritation, tearing, or blurring of vision. Use face shield or goggles
when eye contact may occur. In case of eye contact, flush eyes with
large amounts of water for at least 15 minutes or until irritation
subsides. Inhalation may cause irritation to upper respiratory
passages. DO NOT have food or drink in the vicinity. Failure to
comply may result in injury to personnel.
Compressed air source must not exceed 30 psi (207 kPa). Wear
eyeshields when cleaning with compressed air. Failure to comply
may result in injury to personnel.
2.
Clean tappets (1) with Skysol 100 and dry with compressed air.
0161 00-2
