Maintenance and Service
Pump distributor gears (PDG)
Lubrication pump distributor gears failed!
– Start diesel engine and watch the R-Touch. The warning icon should disappear
from the R-Touch within 10 seconds.
– If the warning icon does not disappear in 10 sec., shut down the diesel engine
immediately and bleed the transmission.
– Let the diesel engine run for a minute, then shut it off.
– Wait at least 10 minutes, then check the oil level again – as described above, in
case of need, correct oil level.
Bleeding the transmission
(7) Pressure filter bowl
(8) PDG control unit
(9) MP port plug
– Place an oil catch basin under the control block (8).
– Remove the plug at the MP port (9).
– Close the engine compartment cover and fold up the pump cover behind the lad-
der.
– Observe the MP port (9) on the control unit (8) through the opening.
– Have another reliable and trained person start the diesel engine and let it run (max-
imum 15 seconds) until the gear oil comes out of the opening in the control unit (8)
without bubbles.
– Screw in the plug as soon as the oil is bubble-free and tighten it with a torque of
16 Nm. If oil does not come out within 15 seconds, screw in the plug again and
contact customer service.
– Wait at least 10 minutes and check the oil level again as described above.
– Fill in some oil after in necessary.
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