9-6 EMISSION CONTROL INFORMATION
PAIR (AIR SUPPLY) SYSTEM INSPECTION
HOSES
• Inspect the hoses for wear or damage.
• Inspect that the hoses are securely connected.
PAIR REED VAVLE
• Remove the PAIR reed valve cover.
• Inspect the reed valve for the carbon deposit.
• If the carbon deposit is found in the reed valve, replace the
PAIR reed valve with a new one
PAIR CONTROL VALVE
(For E-03, 24, 28 and 33)
• Remove the air cleaner box and PAIR control valve.
• Check that air flows through the PAIR control valve air inlet
port to the air outlet ports.
• If air does not flow out, replace the PAIR control valve with a
new one.
• Connect the vacuum pump gauge to the vacuum port of the
control valve as shown in the illustration.
• Apply negative pressure of the specification slowly to the con-
trol valve and inspect the air flow.
• If air does not flow to the pump, the control valve is in normal
condition.
• If the control valve does not properly function within the speci-
fication, replace the control valve with a new one.
! Negative pressure range: –53.3 kPa (–392 mmHg)
" 09917-47010: Vacuum pump gauge
#
• Installation is in the reverse order of removal.
Air flow Air flow
Air flow
Use a hand operated vacuum pump to prevent the
control valve damage.
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