Part No. 40462 DPL-25S • DPL-30S • DPL-35S Super Series 4 - 5
September 2016 Section 4 - Scheduled Maintenance Procedures
TABLE A PROCEDURES
1 Visually inspect the cables and components for
the following:
• Frayed or broken wire strands
• Kinks in the cables
• Corrosion
• Paint or foreign materials
• Broken or damaged pulleys
• Unusual or excessive pulley wear
• Split or cracked swage ends
• Split or cracked chain adjustment bolts
• Bent or damaged pulley guards
2 Check to be sure of the following:
• Cables are on the pulleys
• Cable ends are properly secured
• Mounting brackets are properly secured
A-10
Check the Interlock System for
Proper Operation
1 Turn the key switch to the ON position.
2 Pull out the red Emergency Stop button to the
ON position.
Result: The power light should come on.
3 Select an outrigger and slide it into a base
socket until the outrigger lock pin snaps into the
locked position. Bring the outrigger leveling jack
into firm contact with the ground.
4 Check the interlock display lights at the ground
controls.
Confirm that the corresponding light is on.
5 Repeat steps 3 and 4 for each of the remaining
outriggers.
A-11
Test the Power and
Function Controls
Testing the machine functions and the Emergency
Stop buttons for malfunctions is essential for safe
machine operation. An unsafe working condition
exists if any function fails to operate properly or
either Emergency Stop button fails to stop all the
machine functions. Each function should operate
smoothly and be free of hesitation, jerking and
unusual noise.
1 Turn the key switch to the ON position and pull
out the red Emergency Stop button to the ON
position.
Result: The power light should be on.
2 Twist to release the red Emergency Stop button
at the platform controls.
3 Push in the control activate button and rotate to
the UP position, then the DOWN position.
Result: Platform up and down functions should
operate smoothly.
4 Push in the Emergency Stop button at the
platform controls to the OFF position and test up
and down functions.
Result: Up/down function should not operate.
5 Twist to release the red Emergency Stop button
at the platform controls.
6 Push in the Emergency Stop button at the
ground controls to the OFF position. Then test up
and down functions.
Result: Up/down function should not operate.
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