Sakai SW880-1, Руководство по ремонту

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11-183
TROUBLESHOOTING
2-8-3. Continuous water spray works, but automatic water spray does not operate
water spray mode select switch must be “AUTO”.
Water spray timer switch must be “
”.
Set water spray pump switch to simultaneous spray.
Reference Fig. : 2-8-1
Check point Check/Cause Action
1. Forward Switch (1) when starter switch is OFF and F-R lever is “N”, check
continuity between forward switch terminal COM and
NC.
There is continuity in normal condition.
(2) when starter switch is OFF and F-R lever is “F”, check
continuity between forward switch terminal COM and
NO.
There is continuity in normal condition.
If above item (1) or (2) is NG, forward switch is faulty. •
Replace forward switch.
2. Reverse Switch (1) when starter switch is OFF and F-R lever is “N”, check
continuity between reverse switch terminal COM and
NC.
There is continuity in normal condition.
(2) when starter switch is OFF and F-R lever is “R”, check
continuity between reverse switch terminal COM and
NO.
There is continuity in normal condition
If above item (1) or (2) is NG, reverse switch is faulty. •
Replace reverse switch.
3. water Spray Mode
Select Switch
(1) when starter switch is ON and F-R lever is “F” or “R”,
measure voltage between water spray mode select
switch terminal 4 inlet wire O and chassis ground.
Standard voltage : 12 V
(2) when starter switch is ON and F-R lever is “F” or “R”,
measure voltage between water spray mode select
switch terminal 5 outlet wire GL 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.
4. 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.
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