11-201
TROUBLESHOOTING
2-9-11. Water spray indicator lamp does not light
Check that water spray pump can be operated.
Reference Fig. : 2-9-1
Check point
Check/Cause
Action
1. Harness
Measure resistance between water spray timer switch
terminal 1 wire GB and combination meter connector
terminal wire No. 28 wire GB.
Standard resistance : 10 Ω or less
If resistance is abnormal, harness is faulty.
•
•
Repair or replace
harness.
Measure resistance between water spray timer terminal 4
wire GB and combination meter connector terminal wire
No. 28 wire GB.
Standard resistance : 10 Ω or less
If resistance is abnormal, harness is faulty.
•
•
Repair or replace
harness.
2. Combination Meter
(water spray indicator
lamp)
(1) when starter switch is ON, measure voltage between
combination meter terminal wires and ground terminal
wire.
Battery terminal wire No. 155 inlet wire R and ground
terminal wire B
Starter switch terminal wire No. 64 inlet wire LgW and
ground terminal wire B
Standard voltage : 12 V or more
(2) when starter switch is ON and water spray mode select
switch is “ ” or “AUTO”, measure voltage between
combination meter terminal wire No. 28 inlet wire GB
(water spray terminal) and chassis ground.
Standard voltage : 12 V or more
If above items (1) and (2) are OK, combination meter is
faulty.
•
•
•
Replace combination
meter.
•
Summary of Contents for SW880-1
Page 1: ...SW880 1 990 1 SHOP MANUAL 3498 6568A 0 ...
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Page 15: ...SAFETY ...
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Page 24: ......
Page 25: ...SPECIFICATIONS ...
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Page 39: ...ENGINE AND CONTROLS ...
Page 40: ......
Page 46: ......
Page 47: ...HYDRAULIC SYSTEMS ...
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Page 83: ...ELECTRICAL SYSTEM ...
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Page 125: ...VIBRATORY DRUM ...
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Page 171: ...BRAKE ...
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Page 175: ...OPERATOR STATION ...
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Page 179: ...WATER SPRAY SYSTEM ...
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Page 183: ...INSPECTION AND ADJUSTMENT ...
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Page 209: ...TROUBLESHOOTING ...
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