Purge Control Valve Inspection - Honda CH250 Elite 1986 Service Manual

PURGE CONTROL VALVE INSPECTION
(CALIFORNIA MODEL)
NOTE
• The purge control valve should be inspected if hot restart is
difficult.
Check all fuel tank, Purge Control Valve \pCVl, and charcoal
canister hoses to be sure they are not kinked and are
".,"IIr.,lv
connected.
Replace any hose that shows sings of damage or deterioration.
NOTE
• The PCV is located left side of the rear shock absorber.
Disconnect the PCV hoses from their connections and remove
the PCV from its mount. Refer to the routing label on the fuel
tank for hose connections.
Connect a vacuum pump to the 8 mm I.D. hose that goes to
the air cleaner Apply the specified vacuum to the PCV.
SPECIFIED VACUUM: 250 mm 19.8 in} Hg
The specified vacuum should be maintained.
Replace the PCV if vacuum is not maintained.
(5)
TO
CARBURETOR
FUEL SYSTEM
(2) TO
AIR CLEANER
(3)
TO CHARCOAL
CANiSTER
(4)
PURGE CONTROL
VALVE
(1)
VACUUM PUMP
ST-AH-260-MC7
(U.S.A. only)
Remove the vacuum pump and connect it to the hose that
goes to the carburetor.
Apply the specified vacuum to the PCV,
SPECIFIED VACUUM: 250 mm 19.8 inl Hg
The specified vacuum should be maintained.
Replace the PCV if vacuum is not maintained.
Connect
a
pressure pump to the 8 mm J.D. hose that goes to
the charcoal canister. While applying the specified vacuum to
the PCV hose that goes to the carburetor, pump through
the canister hose. Air should flow the PCV and out the
hose that goes to the air cleaner. the PCV if air does
not flow out.
CAUTION
To prevent to the purge control valve, do not use
air pressure sources. Use a hand air pump
Remove the pumps, install the PCV on its mount, route and
re-
connect the hoses according to the Vacuum Hose Ro,uti,nq
Label.
4-19