Kubota M6800S Workshop Manual page 589

M6800 · M6800S · M8200 · M9000, WSM
AIR CONDITIONING SYSTEM (Continued)
Symptom
Insufficient Cooling
(Compressor Does
Not Rotate Properly)
(Others)
Insufficient Heating
Insufficient Cooling
(Compressor Does
Not Rotate Properly)
(Others)
WINDSHIELD WIPER
Windshield Wiper
Does Not Operate
Windshield Wiper
Operating Speed Is
Too Low
Windshield Wiper
Does Not Stop
Correctly
Probable Cause
• Belt slipping
• Magnetic clutch defective
• Compressor defective
• Thermostat defective
• Water valve defective
• Condenser fin clogged with dust
• Expansion valve defective
• Water valve defective
• Air mix door malfunctioning
• Insufficient coolant
• Belt slipping
• Magnetic clutch defective
• Compressor defective
• Condenser fin clogged with dust
• Expansion valve defective
• Wiring defective
• Fuse blown (Short-circuit, burnt component
inside motor or other part for operation)
• Wiper motor defective (Broken armature,
worn motor brush or seized motor shaft)
• Wiper switch defective
• Foreign material interrupts movement of link
mechanism
• Wiper arm seized or rusted
• Wiper motor defective (Short-circuit of motor
armature, worn motor brush or seized motor
shaft)
• Low battery voltage
• Humming occurs on motor in arm operating
cycle due to seized arm shaft
• Wiper switch contact improper
• Wiper motor defective (Contaminated auto-
return contacts or improper contact due to
foreign matter)
Adjust or replace
Repair or replace
Replace
Replace
Replace
Clean
Replace
Replace
Adjust control cable
Replenish
Adjust or replace
Repair or replace
Replace
Clean
Replace
Check and repair
Correct cause and
replace
Replace
Replace
Repair
Lubricate or replace
Replace
Recharge or replace
Lubricate or replace
Replace
Replace
10-S2
CABIN
Reference
Solution
Page
10-G5
10-S29 to
S32
10-S30
–
–
10-G4
–
–
10-S39
G-11
10-G5
10-S29 to
S32
10-S30
10-G4
–
W1013580
–
10-G7 to
G9
10-S38,
S41, S47
10-S38,
S46
–
10-S41,
S50
10-S38,
S41, S47
–
–
10-S38,
S46
10-S38,
S41, S47
W1010962
KiSC issued 03, 2008 A