64
9) HST neutral switch (38520 1260)
(1) Installation location and operation
The switch
is installed on the back of the
frame.
Electricity flows as long as the HST pedals is
not pressed. If the driver accidentally steps on
the pedal, the engine cannot be started.
(2) Removing the switch
1. Remove the switch wiring.
2. Remove the nut, and then remove the switch.
(3) Inspection
1. Connect a tester to the switch
wiring.
2. Check that there is continuity while the tip of
the switch is not pressed (OUT).
3. Check that there is no continuity while the tip
of the switch is pressed (IN).
4. If the above conditions are not met, replace
the switch.
10) Water temperature switch (38572 0360)
(1) Installation location and operation
The water temperature switch is installed on the
engine thermostat case.
If the engine starts to overheat, the water
temperature warning lamp on the gauge panel
will come on to warn the driver of overheating.
(2) Removing the switch
1. Remove the switch wiring.
2. Drain the antifreeze, and then remove the
switch.
(3) Inspection
1. Use the procedure shown in the figure on the
right
to
measure
whether
the
water
temperature switch changes from OFF to ON
at 110
±
3
°
C or more.
2. Confirm that the warning lamp comes on
when the connection terminal to the water
temperature switch is short circuited. (Check
that the bulb is not burnt out.)
3. If the above conditions are not met, replace
the switch and/or lamp.
Fig.4-2-22
Fig.4-2-23
Fig.4-2-19
Fig.4-2-20
Fig.4-2-21
Summary of Contents for SG280E
Page 1: ...SLOPE MOWER 2011 4 MODEL SG280E...
Page 2: ...1...
Page 7: ...6 Body and operation areas 1 2 Overall view part names Fig 1 2 1 Fig 1 2 2...
Page 8: ...7 Fig 1 2 3 Total elapsed time Seat swing lever...
Page 10: ...9...
Page 14: ...11 Model N843 2 2 Cross section diagrams Fig 2 2 1...
Page 15: ...12 Model N843 Fig 2 2 2...
Page 53: ...50 HST 2WD 4WD 2WD 4WD 2WD 4WD 3 2 Functions Fig 3 2 1...
Page 59: ...56...
Page 60: ...56 Section 4 Electric Components 4 1 Layout diagram 4 2 Safety system electric components...
Page 109: ...105 Section 6 Wiring Diagram 6 1 Wiring diagram...
Page 110: ...106 6 1 Main circuit diagram...
Page 111: ...107 Fig 6 1 1...