Suzuki Samurai 1986, Service Manual

Page: 172 / 482

NOTE:
l
To check sensor for operation at
higher than 40°C (104” temperature when
sensor is lower than 25°C (77” F),
remove sensor from air cleaner cap
and warm it up with hair drier or photo light
before checking.
l
Never touch bimetal or valve in
sensor.
1. sensor
2. Nozzle
3. Nozzle
4. Air cleaner
cap
Fig. 5-3-6 Checking sensor
5) After checking, reinstall air cleaner case cap,
and connect 2 vacuum hoses to
sensor.
[Check valve]
1) Remove check valve with vacuum hose.
2) Using vacuum pump gauge, check for the
following.
When pump operation is stopped,
pump gauge pointer stays constant.
When pump is operated, pointer
moves considerably but moves
back to zero position as soon
as pump operation is stopped.
Fig. Checking check valve
If found defective, replace.
3) Install check valve with its orange side directed
toward valve.
EVAPORATIVE EMISSION CONTROL
SYSTEM
Checking vapor storage canister
DO NOT SUCK the nozzles on canister
1) Disconnect negative cable at battery.
2) Disconnect 3 hoses from canister.
3) Remove canister.
air into pipe A strongly, and air should come
out from pipe B.
pass through pipe A, C or D.
6) When air is blown into pipe C, air should
come out from pipe A, B and D.
If operation differs from above description,
canister must be replaced.
Vapor to carburetor
6. Air flow under
2. Vapor from fuel tank
vacuum condition
3. Filter
7. Vapor from float
4. Charcoal
chamber when ignition
5. Filter
switch is “OFF”
Fig. 5-3-8 Checking canister
7) Install canister and connect hoses and battery
negative cable.
5-20