3-66
ENGINE
REED
VALVE
Inspect the reed valve for carbon deposits.
If
carbon deposits
are found
in
the reed valve, replace the reed valve with a new
one.
PAIR
VALVE
Inspect that air
flOWS
through the
PAIH
(air supply) valve air inlet
port ® to the
ai
r outlet parts ®.
If
air does not flow out, replace
the
PAIR
(air supply)
va
lve with a new one.
• Connect the vacuum pump gauge to the vacuum port
01
the
PAl
R valve as shown
in
the photograph.
• Apply negative pressure sluwly
tu
II",
PAIR
(air supply) valve
and inspect the air flow.
•
If
air does not Ilow out within the specified range, the
PAIR
(air supply) valve
is
in
normal condition.
•
If
the
PAIR
(air supply) valve does not function within the speci-
fied range, replace the
PAIR
(air supply) valve with a new
one.
a Negative
pressure
range:
J7.J - 60.0 kPa (280 - 450 mmHg)
am
09917-47010: Vacuum
pump
gauge
I A CAUTION I
Use a hand operated
vacuum
pump
to
prevent
PAIR
(air
supply)
valve damage.
REMOUNTING
Remount the
PAIR
(air supply) valve assembly
in
the reverse
order of
removal.
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