Kubota M9540, Workshop Manual

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10-S22
M8540, M9540, WSM CABIN
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.
W1014211
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.
W1014331
Air Gap
1. Check the air gap with feeler gauge.
2. If the measurement is not within the factory specifications, adjust
it. (Refer to “[3] SERVICING” in this section.)
W1018230
(2) Relay (A/C Compressor, Front Working Light, Front Wiper, Blower, Blower Hi, ACC,
Auxiliary Power)
Connector Voltage
1. Refer to “4. CHECKING AND ADJUSTING” at “9. ELECTRICAL
SYSTEM” section.
W1044440
Relay Test
1. Refer to “4. CHECKING AND ADJUSTING” at “9. ELECTRICAL
SYSTEM” section.
W1043756
(1) Magnetic Clutch
Stator coil resistance Factory spec. 3.0 to 4.0
Ω
(1) 1P Connector
Air gap Factory spec.
0.30 to 0.65 mm
0.0118 to 0.0255 in.
KiSC issued 09, 2008 A