Checking the Operation of
the Interlock Switches
Service Interval:
Before each use or daily
CAUTION
If the safety interlock switches are
disconnected or damaged, the machine could
operate unexpectedly, causing personal
injury.
•
Do not tamper with the interlock switches.
•
Check the operation of the interlock
switches daily and replace any damaged
switches before operating the machine.
Checking the
Operator-Presence-Control (OPC)
Interlock Switch
1.
Push the kickstand down with your foot and pull
up on the handle support until the kickstand has
rotated forward, over center.
2.
Start the engine.
3.
With the OPC released, attempt to engage
the traction lever (
). The traction
lever
should not
engage. If the traction lever
engages, the interlock system needs service.
Correct the problem before operating the
machine; refer to
Servicing the Traction-Interlock
.
g032412
Figure 27
1.
Operator-presence control
(OPC)
3.
Brake lever
2.
Traction lever
4.
With the OPC pressed and the traction lever
engaged, release the OPC (
). The
traction lever
should
disengage. If the traction
lever does not disengage, the interlock system
needs service. Correct the problem before
operating the machine; refer to
Traction-Interlock Switch (page 34)
.
5.
With the OPC pressed and the shift lever
moved to the left, engage the traction and reel
drive and release the OPC (
). The
traction lever
should
disengage. If the traction
lever does not disengage, the interlock system
needs service. Correct the problem before
operating the machine; refer to
Traction-Interlock Switch (page 34)
or
the Traction-Interlock Switch (page 34)
.
6.
With the OPC pressed and the shift lever moved
to the left to engage the traction and reel drive,
move the shift lever to the right to disengage the
reel drive (
). The reel drive
should
disengage. If the reel drive does not disengage,
the interlock system needs service. Correct the
problem before operating the machine; refer to
Servicing the Traction-Interlock Switch (page
34)
.
7.
Carefully lower the machine off the kickstand.
Checking the Traction-Interlock
Switch
1.
Push the kickstand down with your foot and pull
up on the handle support until the kickstand has
rotated forward, over center.
2.
With the OPC pressed, the traction lever
engaged, and the engine controls in the starting
position (
), attempt to start the engine.
The engine
should not
start. If the engine starts,
the interlock switch needs service. Correct the
problem before operating the machine; refer to
Servicing the Traction-Interlock Switch (page
34)
.
3.
Carefully lower the machine off the kickstand.
Checking the Brake-Interlock
Switch
1.
Push the kickstand down with your foot and pull
up on the handle support until the kickstand has
rotated forward, over center.
2.
With the traction lever disengaged, the service
brake engaged, and the engine controls in
the starting position (
), attempt to
start the engine. The engine
should
start. If
the engine does not start, the interlock switch
needs service. Correct the problem before
operating the machine; refer to
Brake-Interlock Switch (page 34)
.
21