Suzuki SY413 Service Manual page 1450

1B-16 AIR CONDITIONING (OPTIONAL)
NOTE
When servicing air conditioning system, the following
rules must be observed.
WIRING:
1) Disconnect battery negative (–) terminal to pre-
vent any short circuit.
2) Connect wire connectors securely.
3) When routing a wire harness through a panel hole,
previously insert a rubber bushing into the hole for
its protection.
4) Use a vinyl tape or original clamps to connect air
conditioner wire harness to main wire harness.
5) If original harness has been disconnected or re-
moved while servicing, return it to a proper posi-
tion.
6) During their installation, be careful not to pinch
original clamps and A/C wire harness.
7) When adding lead wires to wire harness by solder-
ing, use those lead wires which share the same di-
ameter and tape each connection.
8) Keep wire harness away from any components
moving or subjected to high temperature.
9) Keep connecting portions away from fuel lines.
10) Make sure that wire harness makes no contact to
a sharp edge or corner.
REFRIGERANT LINES:
1) Never use heat for bending pipes.
When bending a pipe, try to make a bend as slight
as possible.
2) Keep internal parts of A/C free from moisture and
dust.
When disconnecting any line from system, install a
blind plug or cap to fitting of such line immediately.
3) When connecting hoses and pipes to each other re-
spectively, previously apply a few drops of refriger-
ating oil to seats of coupling nuts and O-ring.
4) When tightening or loosening a fitting, use two
wrenches, one for turn and the other for support.
5) Receiver/dryer inlet fitting must be connected to the
pipe from condenser outlet fitting.
6) Tighten flared nuts according to following specifica-
tions of Tightening Torque.
Tightening Torque for coupling nut
8 mm pipe : 12 – 15 N·m
(1.2 – 1.5 kg-m, 8.6 – 11.0 lb-ft)
ON-VEHICLE SERVICE
7) Route drain hose so that drained water does not
REFRIGERANT RECOVERY:
When discharging refrigerant out of A/C system, al-
ways recover it by using refrigerant recovery and re-
cycling equipment. Discharging refrigerant HFC-134a
(R-134a) into atmosphere would cause adverse effect
to environments.
NOTE:
When handling recovery and recycling equipment,
be sure to follow the instruction manual for the
equipment.
HANDLING REFRIGERANT:
1) When handling refrigerant, always wear goggles to
2) Avoid you direct contact to liquid refrigerant.
3) Do not heat refrigerant container higher than 405C
4) Do not discharge refrigerant into atmosphere.
5) Do not allow liquid refrigerant to touch bright met-
6) After recovering refrigerant from system, the
1/2 inch pipe : 20 – 25 N·m
(2.0 – 2.5 kg-m, 14.5 – 18.0 lb-ft)
5/8 inch pipe : 30 – 35 N·m
(3.0 – 3.5 kg-m, 22.0 – 25.3 lb-ft)
make any contact to vehicle components.
protect your eyes.
(1005F).
als. Refrigerant combined with moisture is corro-
sive and will tarnish surfaces of bright metals
including chrome.
amount of compressor oil removed must be mea-
sured and the same amount added to the system.
WARNING:
Should Refrigerant HFC-134a (R-134a)
strike your eye(s), consult a doctor im-
mediately.
D DO NOT USE YOUR HAND TO RUB AF-
FECTED EYE(S). Instead, use quantities
of fresh cold water to splash it over af-
fected area to thus gradually raise its
temperature above the freezing point.
D Obtain proper treatment as soon as
possible from a doctor or eye specialist.
Should liquid HFC-134a (R-134a) get on
your skin, such affected part should be
treated in the same manner as when
skin is frostbitten or frozen.