Yamaha F75F - Checking the Canister; Checking the Canister Check Valve; Checking the Vapor Shut-Off Valve

Canister and vapor shut-off valve
6-25
Checking the canister
1. Check:
• Canister
Cracked  Replace.
2. Check:
• No air leakage
Air leakage  Replace.
a. Connect the special service tool “1” to
the atmospheric port “a” and
block the
other ports using rubber plugs “2”.
b. Apply the specified positive pressure
and check that
there is no air leakage.
Checking the vapor shut-off valve
1. Check:
• Vapor shut-off valve exterior
Cracked  Replace.
Checking the canister check valve
1. Check:
• Air passage
No air comes out  Replace.
a. Connect the special service tool “1” to
the canister check valve as shown
in
the illustration.
b. Apply positive pressure and check
that air comes out of the opposite en
d
of the canister check valve.
2. Check:
• Air passage
Air comes out  Replace.
a. Connect the special service tool “1” to
the
canister check valve as shown in
the illustration.
b. Apply positive pressure and check
that
no air comes out of the opposite
end of the canister check valve.
Vacuum/pressure pump gauge set
“1
”
90890-06945
Holding pressure (positive pres-
sure)
19.6 kPa (0.20 kgf/cm², 2.8 psi)
2
a
1
Vacuum/pressure pump gauge set
“1”
90890-06945
Vacuum/pressure pump gauge set
“1”
90890-06945
1
1