10-055
TROUBLESHOOTING
2-6-2. Continuous water spray works, but intermittent water spray does not operate
Water spray selector switch must be TIMER.
Water spray timer must be ON.
Reference Fig.: 2-6-1
Check point
Check/Cause
Action
1. Water Spray Timer
(1) When starter switch is ON, measure voltage between
water spray timer terminal 1 and 3 inlet wire G and
chassis ground.
Standard voltage: 12 V or more
(2) When starter switch is ON, measure voltage between
water spray timer terminal 4 outlet wire GB and chassis
ground.
Standard voltage: 12 V or more
If above item (1) is OK and item (2) is NG with no
abnormality found in grounding of water spray timer unit,
water spray timer is faulty.
•
Replace water spray
timer.
2. Water Spray Selector
Switch
(1) When starter switch is ON, measure voltage between
water spray selector switch terminal 4 inlet wire WB and
chassis ground.
Standard voltage: 12 V or more
(2) When starter switch is ON, measure voltage between
water spray selector switch terminal 5 outlet wire G and
chassis ground.
Standard voltage: 12 V or more
If above item (1) is OK and item (2) is NG, water spray
selector switch is faulty.
•
Replace water spray
selector switch.
3. Harness Connecting
Between Terminals
Measure resistance of harness connecting between
terminals.
Standard resistance: 10 Ω or less
If resistance is abnormal, harness is faulty.
•
•
Repair or replace
harness.
•
•
Summary of Contents for SW800-II
Page 1: ...SW800 850 SHOP MANUAL 3498 65547 0...
Page 2: ......
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Page 11: ...SAFETY...
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Page 20: ......
Page 21: ...SPECIFICATIONS...
Page 22: ......
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Page 32: ......
Page 33: ...ENGINE AND CONTROLS...
Page 34: ......
Page 40: ......
Page 41: ...HYDRAULIC SYSTEMS...
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Page 79: ...ELECTRICAL SYSTEM...
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Page 91: ...VIBRATORY DRUM...
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Page 143: ...BRAKE...
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Page 148: ......
Page 149: ...WATER SPRAY SYSTEM...
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Page 155: ...INSPECTION AND ADJUSTMENT...
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Page 173: ...TROUBLESHOOTING...
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