Sakai SW800-II, Руководство по ремонту

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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.
•
•