Maintenance and Service
Pump distributor gears (PDG)
7.2 Pump distributor gears (PDG)
The pump distributor gear unit is directly flanged to the diesel engine and transfers
engine power to the individual hydraulic pumps.
The oil level of the pump distributor gears must indispensably be checked daily. Check
the oil level, before you start the diesel engine! Once the diesel engine is started, the
oil level can no longer be checked.
In order to read the oil level, the machine must be on a level and horizontal surface
and the diesel engine must have been shut down for at least 5 minutes. When the
oil level rises or falls without evident reason, indispensably call in a customer service
mechanic.
The oil level can be read at the inspection glass (2). It must be within the inspection
glass range (in no case above the top edge of the inspection glass!). The inspection
glass is located on the left side of the pump distributor gears.
The gear oil is cooled by its individual oil cooler (See Page 371).
Pump distributor gears
(1) Oil filling screw
(2) Inspection glass
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