Winnebago 1987-1989 LeSharo Service Manual page 479

BRAKE SERVO
CHANGING THE AIR FILTER
• The servo need not be removed to change air
filter (F).
• Remove the old filter (F) under the pedal
assembly with a screwdriver or scriber.
• Make a cut (A) in the new filter (see insert), slip
it over the pushrod and push it fully home
evenly so that no unfiltered air can enter.
A
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Changing the check valve
• This operation may be carried out in place.
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REMOVAL
• Disconnect the vacuum hose at the servo end.
• Pull and turn the check valve to free it from the
rubber sealing washer.
REINSTALLATION
• Check the condition of the sealing washer and
check valve.
• Replace all faulty parts.
• Mount the assembly.
13-3