Part No. 40462 DPL-25S • DPL-30S • DPL-35S Super Series 4 - 3
September 2016 Section 4 - Scheduled Maintenance Procedures
TABLE A PROCEDURES
A-4
Check for Hydraulic Leaks
Detecting hydraulic fluid leaks is essential to
operational safety and good machine performance.
Undiscovered leaks can develop into hazardous
conditions, impair machine functions and damage
machine components.
1 Inspect for hydraulic oil puddles, dripping or
residue on or around the following areas:
• Hydraulic power unit—reservoir, valves,
fittings
• Hydraulic cylinders
• Ground area under the machine
• All hydraulic hoses and fittings
A-5
Check the Auxiliary Platform
Lowering Operation
The auxiliary platform lowering is powered by a
secondary battery pack that is located in the
ground control box. The auxiliary platform lowering
can be activated from the ground or platform
controls. Detection of an auxiliary lowering
malfunction is essential for safe machine
operation. An unsafe working condition exists if the
auxiliary platform lowering function does not
operate in the event of a main power failure.
1 Raise the platform slightly.
2 Disconnect the power source from the machine.
3 Activate the auxiliary platform lowering button at
the ground controls.
Result: Platform should lower.
4 Reconnect the power and raise the platform
slightly.
5 Disconnect the power source from the machine.
6 Push in the control activate button and rotate
the up/down switch in the down direction.
Result: Platform should lower.
A-6
Check the Platform Manual
Lowering Operation
Detection of a platform manual lowering
malfunction is essential for safe machine
operation. An unsafe working condition exists if the
manual lowering function does not operate in the
event of a main and auxiliary power failure.
1 Raise the platform slightly.
2 Activate the manual lowering lever.
Result: Platform should lower.
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