TRUCK SERVICE MANUAL
Remove wedge assembly from plunger housing
E. Unscrew the power unit out of the plunger
by pulling it straight out of housing.
housing. At this time remove and inspect the wedge
assembly. Service if necessary.
11/2" Stroke Wedge Assembly
13/4" Stroke Wedge Assembly
To disassemble air chamber follow procedures A
thru F of Servicing Air Chamber Diaphragm,
Remove cotter or "E" washer (earlier design not
shown) from wedge shaft while holding spring
compressed by hand.
Remove wedge spring washer, wedge spring,
Adjusting type non-pressure housing is
rubber boot (13/4" assembly) and wedge spring
interchangeable with bottoming type housing and may be
converted at this time.
To install boot and guide and reassemble
chamber, follow procedures H thru L of Servicing
disregarding wedge assembly precautions.
B. Test for leaks.
Insert a thin bladed screwdriver between one flat
of the wedge head and roller retainer cage.
Spread the cage open just far enough to remove
IMPORTANT: DO NOT ATTEMPT TO DRIVE THE
WEDGE THROUGH THE ROLLERS AND CAGE OR
FORCE THE ROLLERS THROUGH THE SLIGHTLY
CLOSED SLOTS OF THE CAGE.
PERMANENTLY DAMAGE THE CAGE.
E. Remove the roller retainer cage by sliding it off the
Do not mix components from 1½2 and 1¾/4 stroke