OPERATOR’S MANUAL with Maintenance Information
Maintenance
50
B-6
Test the Key Switch
Dingli requires that this procedure be
performed every 250 hours or quarterly,
whichever comes first.
Proper key switch action and response is
essential to safe machine operation. Failure of
the key switch to activate the appropriate
control panel could cause a hazardous
operating situation.
1 Turn the ground red Emergency Stop
button clockwise to the on position. Pull
out the platform red Emergency Stop
button to the on position.
2 Turn the key switch to ground controls and
start the engine from ground controls.
3 Check any machine function from the
platform controls.
⊙ Result: The machine functions should not
operate.
4 Turn the key switch to platform controls
and start the engine from platform
controls.
5 Check any machine function from the
ground controls.
⊙ Result: The machine functions should not
operate.
6 Turn the key switch to the off position.
⊙ Result: The engine should stop and no
functions should operate.
B-7
Test the Emergency Stop
Dingli requires that this procedure be
performed every 250 hours or quarterly,
whichever comes first.
A properly functioning Emergency Stop is
essential for safe machine operation. An
improperly operating red Emergency Stop
button will fail to shut off power and stop all
machine functions, resulting in a hazardous
situation.
As a safety feature, selecting and operating
the ground controls will override the platform
controls, except the platform red Emergency
Stop button.
1 Start the engine from ground controls.
2 Push in the red Emergency Stop button to
the off position.
⊙ Result: The engine should shut off and no
machine functions should operate.
3 Start the engine from platform controls.
4 Push in the red Emergency Stop button to
the off position.
⊙ Result: The engine should shut off and no
machine functions should operate.
Note: The red Emergency Stop button at the
ground or platform controls will stop all
machine operation without regard to the
position of the key switch.
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