TM 5-3810-307-24-1-2
Air Compressor Cylinder
Head
(Holset QE Models) (012-104)
Disassemble (012-104-003)
NOTE
If the cylinder head is removed while the air
compressor is on the engine, drain the
engine coolant. Refer to the engine manual.
NOTE
Since the valve plate, head and unloader
body are indexible, marking of these parts is
recommended to make sure they are
reassembled in the proper orientation.
WARNING
The unloader body is installed with spring
tension. Use care when removing to prevent
personal injury. Always wear protective eye
wear.
Hold the unloader valve body down and remove the four
capscrews.
Remove the unloader valve body.
Remove the unloader valve spring.
Remove the unloader valve cap.
Remove the unloader body gasket and unloader valve
cap rectangular ring seal.
12-20 Change-1