13
Master Piston
Remove the button-head screw, washer and mas-
ter piston spring from bottom of housing.
Remove the master piston from its bore using nee-
dle-nose pliers. If binding occurs, check for burrs or
contaminants in the lube oil. Clean in an approved
cleaning solvent (Fig. 22).
NOTE:
DO NOT ATTEMPT TO REMOVE THE MAS-
TER PISTON WITHOUT FIRST REMOVING
THE FLAT SPRING. BENDING THE SPRING
BACK TOO FAR CAN DISTORT THE SPRING
AND WOULD NEED TO BE REPLACED.
Inspect the hard face surface. A pitted, chipped,
cracked or galled piston should be replaced. If the
hard facing is damaged, inspect the corresponding
rocker arm adjusting screws for excessive wear or
pitting. Replace if damaged.
Reassemble in reverse order. When tightening the
capscrew, make certain the two spring tabs do not
interfere with the sides of the master piston center
raised portion (see Fig. 23). Torque the capscrew
to 12 N•m [9ft- lb].
NOTE:
THE TABS SHOULD BE EQUALLY SPACED
FROM THE RAISED PISTON AREA.
Slave Piston
WEAR SAFETY GLASSES. REMOVE SLAVE
PISTON CAREFULLY. THE SLAVE PISTON IS
RETAINED BY SPRINGS THAT ARE UNDER
HEAVY COMPRESSION. IF THE FOLLOWING
INSTRUCTIONS ARE NOT FOLLOWED AND
PROPER TOOLS NOT USED, THE SPRING
COULD BE DISCHARGED WITH ENOUGH
FORCE TO CAUSE PERSONAL INJURY.
Remove the locknut on the slave piston adjusting
screw. Back out the adjusting screw until the slave
piston is fully retracted (screw is loose).
Use the slave piston removal tool and the following
procedure to remove and replace the slave piston:
1. Place the hole in the clamp bracket over the
slave piston adjusting screw (Fig. 24).
2. While holding the tool in position, screw the
holder down over the slave piston stem until
the retainer is contacted.
FIG. 23
FIG. 22
FIG. 24
To Next Page
Loading...
Need help?
General
