POWER BOOSTER REPAIR (Cont).
CLEANING AND INSPECTION
Ensure that parts are kept clean until assembly. If
parts are damaged or lost, replace all valve parts.
Clean all parts with hydraulic fluid.
Inspect rod and piston unit (17) for
scratches. If scratches are detected,
replace rod and piston unit (M1009
only) or power booster assembly (all
Inspect spool valve assembly (16)
and spool valve bore in housing (9)
for damage. Discoloration of spool or
bore is considered normal. If spool
valve or spool valve bore have nicks
or scoring, or if there is corrosion,
power booster should be replaced as
any accumulator valve