9-085
TROUBLESHOOTING
2-7-10. ECO mode indicator lamp does not light
Throttle switch must be “
MID
”.
Vibration select switch must not be “
”.
Reference Fig. : 2-7-2
Check point
Check/Cause
Action
1. MID/FULL Speed
Control Relay (B-3)
(1) when starter switch is ON, measure voltage between
MID/FULL speed control relay (B-3) terminal 1 inlet wire
WB and chassis ground.
Standard voltage : 24 V or more
(2) when starter switch is ON, measure voltage between
MID/FULL speed control relay (B-3) terminal 3 inlet wire
RB and chassis ground.
Standard voltage : 24 V or more
(3) when starter switch is ON and throttle switch is
“MID”, measure voltage between MID/FULL speed
control relay (B-3) terminal 5 outlet wire RL and chassis
ground.
Standard voltage : 24 V or more
If above items (1) and (2) are OK and item (3) is NG, MID/
FULL speed control relay (B-3)
is faulty.
•
Replace MID/FULL
speed control relay (B-3).
2. Throttle Switch
(1) when starter switch is ON, measure voltage between
throttle switch terminal 4 inlet wire RB and chassis
ground.
Standard voltage : 24 V or more
(2) when starter switch is ON, measure voltage between
throttle switch terminal 6 outlet wire RW and chassis
ground.
Standard voltage : 24 V or more
If above items (1) is OK and item (2) is NG, throttle switch
is faulty.
•
Replace throttle switch.
3. MID Speed Control
Relay (B-2)
(1) when starter switch is ON, measure voltage between
MID speed control relay (B-2) terminal 1 inlet wire Rw
and chassis ground.
Standard voltage : 24 V or more
(2) when starter switch is ON, measure voltage between
MID speed control relay (B-2) terminal 3 inlet wire RL
and chassis ground.
Standard voltage : 24 V or more
(3) when starter switch is ON, measure voltage between
MID speed control relay (B-2) terminal 5 outlet wire G
and chassis ground.
Standard voltage : 24 V or more
If above items (1) and (2) are OK and item (3) is NG, MID
speed control relay (B-2)
is faulty.
•
Replace MID speed
control relay (B-2).
4. ECO Lamp
(1) when starter switch is ON, measure voltage between
ECO lamp terminal inlet wire G (anode side) and
chassis ground.
Standard voltage : 24 V or more
(2) Check ECO lamp terminal wire B (cathode side) is
grounded.
If above items (1) and (2) are OK but ECO lamp does not
light, ECO lamp is faulty.
•
Replace ECO lamp.
•
•
Содержание SV540 Series
Страница 1: ...SV540 SHOP MANUAL 3498 6418A 0 ...
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Страница 13: ...SAFETY ...
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Страница 23: ...SPECIFICATIONS ...
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Страница 43: ...ENGINE AND CONTROLS ...
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Страница 53: ...HYDRAULIC SYSTEMS ...
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Страница 85: ...ELECTRICAL SYSTEM ...
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Страница 119: ...VIBRATORY DRUM REAR AXLE ...
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Страница 169: ...BRAKE ...
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Страница 179: ...INSPECTION AND ADJUSTMENT ...
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Страница 207: ...TROUBLESHOOTING ...
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