Parking Brake Switch
The parking brake switch is a normally closed switch
that opens when the parking brake is applied. The
switch is located under the front panel (Fig. 17 and 18).
The Standard Control Module (SCM) monitors the sta-
tus of the parking brake switch. If the ignition switch is
in the ON position and the parking brake is disengaged,
the SCM Parking Brake Off input LED should be illumi-
nated. The parking brake switch and circuit wiring
should be tested as a SCM input before performing the
following testing procedure.
Testing
1.
Before disconnecting the parking brake switch for
Figure 17
testing, the switch and its circuit wiring should be tested
as a SCM input (see Standard Control Module in this
section).
1.
Front panel
2.
Washer head screw
2.
wiring are functioning correctly, no further brake switch
If the SCM verifies that the brake switch and circuit
1
testing is necessary.
3.
cuit wiring are not functioning correctly, test switch as
If the SCM determines that the brake switch and cir-
2
follows:
A. Make sure ignition switch is in the OFF position.
Locate parking brake switch for testing.
B. Disconnect machine wire harness electrical con-
nector from the parking brake switch.
Figure 18
C. Check the continuity of the switch by connecting a
multimeter (ohms setting) across the connector ter-
minals.
1.
Brake lever assembly
2.
Brake switch
D. When the switch plunger is extended there
should be continuity (closed) between the switch ter-
minals.
0.015”
TO 0.045”
(0.4
to 1.0 mm)
E. When the switch plunger is depressed, there
should be no continuity (open) between the switch
terminals.
DISTANCE
BETWEEN TAB
AND SWITCH
BODY WITH
BRAKE APPLIED
F. Replace brake switch if necessary.
G. If the brake switch tests correctly and a circuit
problem still exists, check wire harness (see Electri-
cal Schematics and Circuit Drawings in Chapter 8 –
Foldout Diagrams).
H. Connect switch connector to machine wire har-
ness. Check brake switch operation.
Figure 19
1.
2.
Brake shaft tab
Parking brake switch
3.
Screw
Electrical System
Page 5 – 16
Groundsmaster 7200/7210
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| Language | English |
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My mower is a TORO 7210.
Start fuse defection. Why ?