ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0068 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
DIRECT SUPPORT MAINTENANCE PROCEDURES
DIESEL ENGINE
CYLINDER HEAD MAINTENANCE
Parts (TM 10-4610-309-24P):
Cylinder head
Cylinder head gasket
Cylinder head O-ring
Cylinder head cover gasket
Intake valve
Exhaust valve
Valve stem seal (2)
Material:
Glycerin (WP 0079, Table1, item 21)
Cylinder Head Removal (see Figure 1):
1. Remove the engine and pump assembly from the pump skid frame (WP 0050)
2. Remove the following components from the engine/pump assembly (WP 0050):
a. Fuel tank assembly
b. Air cleaner assembly
c. Air heaters
d. Muffler assembly
e. Fuel injection valve
3. Remove the rubber detent plunger from the oil port on the cylinder head cover.
4. Remove the three cylinder head cover bolts and lift the cover off the cylinder head. Remove and
discard the cover gasket.
5. Remove the rocker arm assembly bolt and lift the rocker arm assembly off the cylinder head.
6. Remove the two valve caps.
NOTE
Tag or mark each push rod to indicate its location in the head. The push rods
must be reinstalled in the same locations from which they were removed.
7. Pull the two push rods out of the cylinder head.
8. Remove the four cylinder head nuts and flat washers.
CAUTION
When setting the cylinder head down, place it with the combustion surface facing
up. Failure to observe this caution may result in damage to the valves and
combustion surface of the cylinder head.
9. Lift the cylinder head off the engine.
10. Remove and discard the cylinder head O-ring.
11. Remove the cylinder head gasket and set aside.
0068 00-2
