F
Service / Repair
NEPTUNE 1&2_EN_Ver.2.1_45/2014 78
Remove the pistons from the inside of the
wobble disc housing.
Inspect the surfaces on the pistons for wear.
Inspect springs for fractures.
Clean the wobble disc housing properly
before assembly.
Use paper - not cotton waste
Place the unit on e.g. two pieces of wood.
Remove valve block. Refer to page 25.
Loosen the 4 hexagon bolts, securing the
wobble disc housing, synchronously.
Let the oil drain out into a tray.
Note housing position and the 2 O-rings!
Beware of the springs being relieved.
Fig.F.31: Motor Pump Unit - Repair Fig.F.32: Pistons - Removal
Plunger and Oil Seal - Maintenance
Control piston.
Inspect the parts for wear and dammages.
If needed replace the control piston kit.
Grease the parts and assemble.
Control piston repair kit.
Fig.F.29: Control piston– inspection Fig.F.30: Control piston
Neptune 2