9-067
TROUBLESHOOTING
2-6-3. Vibration mode cannot be switched (F-R lever vibration switch does not work)
Vibration mode change switch must be “
” (manual mode).
Vibration select switch must not be “
”.
Reference Fig. : 2-6-1
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. Vibration Mode Change
Switch
(1) when starter switch is ON, measure voltage between
vibration mode change switch terminal 1 inlet wire RL
and chassis ground.
Standard voltage : 24 V or more
(2) when starter switch is ON, measure voltage between
vibration mode change switch terminal 3 outlet wire RG
and chassis ground.
Standard voltage : 24 V or more
If above item (1) is OK and item (2) is NG, vibration mode
change switch is faulty.
•
Replace vibration mode
change switch.
3. F-R Lever Vibration
Switch
(1) when starter switch is ON, measure voltage between
F-R lever vibration switch terminal 1 inlet wire Br and
chassis ground.
Standard voltage : 24 V or more
(2) when starter switch is ON and F-R lever vibration
switch is pressed once, measure voltage between
F-R lever vibration switch terminal 2 outlet wire G and
chassis ground.
Standard voltage : 24 V or more
If above item (1) is OK and item (2) is NG, F-R lever
vibration switch is faulty.
•
Replace F-R lever
vibration 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.
•
•
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 179: ...INSPECTION AND ADJUSTMENT ...
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Страница 207: ...TROUBLESHOOTING ...
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