Sakai R2-4, Руководство по ремонту

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10-037
TROUBLESHOOTING
2-5-2. Continuous water spray works, but intermittent water spray does not operate
Water spray mode select switch must be “INT”.
Reference Fig.: 2-5-1
Check point Check/Cause Action
1. Water Spray Timer (1) when starter switch is ON, measure voltage between
water spray timer terminal 1 inlet wire LR and terminal 3
inlet wire LB 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 LY and chassis
ground.
Standard voltage : 12 V or more with constant intervals
If above item (1) is OK and item (2) is NG, water spray
timer is faulty.
•
Replace water spray
timer.
2. water Spray Mode
Select Switch
(1) when starter switch is ON, measure voltage between
water spray mode select switch terminal 4 inlet wire LB
and chassis ground.
Standard voltage : 12 V or more
(2) when starter switch is ON, measure voltage between
water spray mode select switch terminal 5 outlet wire
LR and chassis ground.
Standard voltage : 12 V or more
If above item (1) is OK and item (2) is NG, water spray
mode select switch is faulty.
•
Replace water spray
mode select 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.
•