Checking, Disassembling And Servicing; Compressor - wsm STW37 Workshop Manual

STW34, STW37, STW40, WSM

6. CHECKING, DISASSEMBLING AND SERVICING

[1] CHECKING, DISASSEMBLING AND SERVICING

(1) Compressor

Operation of Magnetic Clutch
1. Turn off the A/C switch after starting the engine.
2. Check whether abrasion or abnormal noise is heard when only
the magnetic clutch pulley is running.
3. Check that the magnetic clutch (1) does not slip when the A/C
switch and blower switch are turned "ON" (when the air
conditioner is in operation).
4. If anything abnormal is found, repair or replace.
(1) Magnetic Clutch
Stator Coil
1. Measure the resistance of the stator coil with an ohmmeter
across the 1P connector (1) of magnetic clutch and compressor
body.
2. If the measurement is not within the factory specifications,
replace the stator coil.
Stator coil resistance Factory specification
(1) 1P Connector
Air Gap
1. Check the air gap with feeler gauge.
2. If the measurement is not within the factory specifications,
adjust it. (See page 10-S55.)
Air gap "L" Factory specification
L: Air Gap
Adjusting Air Conditioner Belt Tension
CAUTION
• Be sure to stop the engine before checking air conditioner
belt tension.
1. Stop the engine and remove the key.
2. Apply 98 N (10 kgf, 22 lbf) pressure to the belt between the
pulleys.
3. If tension is incorrect, adjust the belt tension.
4. If belt is damaged, replace it.
Air conditioner belt
Factory specification
tension
(1) Adjusting Bolt
(2) Nut
10-S23
9Y1211109CAS0032US0
3.0 to 4.0 Ω
9Y1211109CAS0033US0
0.30 to 0.65 mm
0.012 to 0.025 in.
9Y1211109CAS0034US0
A deflection of between 14
to 16 mm (0.56 to 0.62 in.)
when the belt is pressed in
the middle of the span
L: Deflection
9Y1211109CAS0035US0
KiSC issued 11, 2014 A
CABIN