
1
Connector terminal 1
2
Connector terminal 2
3
Connector terminal 3
4
Connector terminal 4
Stack Valve
The stack valve is located next to the driver's
seat.
It is composed of the manual valve interlocked
with the mower unit up/down lever and the
solenoid valve (electromagnetic valve)
interlocked with the reel rotation switch.
The solenoid valve switches the hydraulic route
in the reel rotation valve and controls "stop,"
"normal rotation," and "reverse rotation" of the
gear motors of the mower units.
1
p64wc8-002
Stack Valve_001
1
Solenoid valve
Inspection of Solenoid
Disconnect the solenoid connectors.
The normal resistance between the
connector terminals of the solenoid is about
25 Ω.
Solenoid Specifications
Voltage
Resistance
Holding
current
DC 12 V
25 Ω
0.48 A
1.
2.
Relay
Relay (MR5A411A1K)
Relay (MR5A411A1K) is located under the
hood, behind the meter panel.
This is the interlock system associated with
the pedal neutral switch and reel rotation
switch, and it controls engine starting and reel
cutter stopping by using the relay
(MR5A411A1K) (brown).
1
uzt2hd-003
Relay (MR5A411A1K)_001
1
Relay (MR5A411A1K)
Inspection of Relay (MR5A411A1K)
Remove the relay.
The normal measured resistance between
relay terminals 1 and 2 is about 75 Ω.
2
1
5
3
7
6
2
7
1
6
5
3
38jyg3-007
Inspection of Relay (MR5A411A1K)_001
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1.
2.
Electrical system
LM331
Electrical system
Page 5-9
Electrical components
Содержание LM331
Страница 1: ...3 Unit Surround Trim Mower Service Manual Serial No LM331 10001 Ver 1 0...
Страница 4: ...LM331 Contents...
Страница 10: ...LM331 Safety Page 1 6 Safety Signs and Instruction Signs...
Страница 26: ...LM331 Maintenance standards and maintenance Page 3 14 Mower Unit Layout...
Страница 74: ...LM331 Hydraulic system Page 4 48 Adjustment...
Страница 108: ...LM331 Electrical system Page 5 34 Adjustment...
Страница 136: ...LM331 Main body Page 6 28 Inspection and repair of each section...
Страница 159: ...Reference LM331 Reference Page 8 15 Electrical Circuit...