11-193
TROUBLESHOOTING
2-9-7. Hydraulic oil filter warning lamp remains ON
Reference Fig. : 2-9-1
Check point
Check/Cause
Action
1. Harness
Disconnect connectors between hydraulic oil filter switch
1, 2 and combination meter.
Measure resistance between terminal and chassis
ground.
Hydraulic oil filter switch 1 or 2 terminal wire GB and
chassis ground.
Combination meter connector terminal wire No. 23 wire
GB and chassis ground.
Standard resistance : 100 kΩ or more
If resistance is abnormal, harness is faulty.
•
•
•
•
•
Repair or replace
harness.
2. Hydraulic Oil Filter
Switch 1 or 2
when starter switch is OFF, check continuity between
hydraulic oil filter switch 1 or 2 inlet terminal and chassis
ground.
There is no continuity in normal condition.
If there is continuity, hydraulic oil filter switch 1 or 2 is
faulty.
•
•
Replace hydraulic oil
filter switch 1 or 2.
3. Combination Meter
(Hydraulic oil filter
warning indicator lamp)
(1) when starter switch is ON, measure voltage between
combination meter terminal wires and ground terminal
wire.
Battery terminal inlet wire No. 155 inlet wire R and
ground terminal wire B.
Starter switch terminal inlet wire No. 64 inlet wire LgW
and ground terminal wire B.
Standard voltage : 12 V or more
(2) when starter switch is ON, measure voltage between
combination meter hydraulic oil filter warning terminal
outlet wire GB and chassis ground.
There is no electricity in normal condition.
If above items (1) and (2) are OK and no abnormality
is found in hydraulic oil filter switch 1 or 2 but hydraulic
oil filter warning lamp remains on after starting engine,
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 25: ...SPECIFICATIONS ...
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Page 39: ...ENGINE AND CONTROLS ...
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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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