Kubota WSM L3560, Workshop Manual

Page: 765 / 801

CABIN
L3560, L4060, L4760, L5060, L5460, L6060, WSM
10-S22
6. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING AND ADJUSTING
(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.
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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.
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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-S57.)
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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.
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(1) Magnetic Clutch
Stator coil resistance Factory specification 3.0 to 4.0 Ω
(1)
1P
Connector
Air gap
"L"
Factory specification
0.30 to 0.65 mm
0.012 to 0.025 in.
L: Air Gap
Air conditioner belt
tension
Factory specification
A deflection of between 10
to 12 mm (0.39 to 0.47 in.)
when the belt is pressed in
the middle of the span
(1) Adjusting Bolt
(2) Nut
L: Deflection
KiSC issued 03, 2016 A