11-141
TROUBLESHOOTING
2-6-3. Continuous/automatic vibration mode cannot be switched 1/2
Reference Fig. : 2-6-1
Check point
Check/Cause
Action
1. Vibration Mode Select
Switch
(1) when starter switch is ON and vibration mode select
switch is “ ”, measure voltage between vibration
mode select switch terminal 1, 4 inlet wires YW and
chassis ground.
Standard voltage : 12 V
(2) when starter switch is ON and vibration mode select
switch is “ ”, measure voltage between vibration
mode select switch terminal wires and chassis ground.
Vibration mode select switch terminal 3 outlet wire GB
and chassis ground.
Vibration mode select switch terminal 5 outlet wire YL
and chassis ground.
There is no electricity in normal condition.
(3) when starter switch is ON and vibration mode select
switch is “AUTO”, measure voltage between vibration
mode select switch terminal wires and chassis ground.
Vibration mode select switch terminal 3 outlet wire GB
and chassis ground.
Vibration mode select switch terminal 5 outlet wire YL
and chassis ground.
Standard voltage : 12 V
If above item (1) is OK and item (2) or (3) is NG, vibration
mode select switch is faulty.
•
•
•
•
•
Replace vibration mode
select switch.
2. Resistor Unit
Measure resistance between resistor unit wires and
ground wire.
Resistor unit wire No.36 inlet wire GB and ground wire
B.
Resistor unit wire No.37 wire YL and ground wire B.
Standard resistance : 300 Ω
If resistance is abnormal, resistor unit is faulty.
(NOTICE)
Resistor unit is used to stabilize contact of switch.
•
•
•
•
•
Replace resistor unit.
Содержание SW880-1
Страница 1: ...SW880 1 990 1 SHOP MANUAL 3498 6568A 0 ...
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Страница 25: ...SPECIFICATIONS ...
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Страница 39: ...ENGINE AND CONTROLS ...
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Страница 47: ...HYDRAULIC SYSTEMS ...
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