Hydraulic Pump

Hydraulic Pump

Hydraulic Line, Removing from Pump






1 Hydraulic pump housing

• Removed from body.

2 Noise Insulation

3 Housing cover

• Removed.

4 Screws

• 4 Nm

5 ABS Hydraulic Pump

• To remove, remove bolts - 4 - and remove cover with noise insulation.

Hydraulic Line, Removing from Pump

O-ring seals should always be replaced after removal.






1 Bolt

• 6 Nm

2 Hydraulic line

• Raise hydraulic pump out of housing.

• To remove, remove securing bolt - 1 - and remove connector pieces with hydraulic line from pump block - 4 -.

• Before installing, slide new O-ring seals onto connecting pieces.

When inserting, connecting pieces must lie flush before bolts are tightened.

• To install, slide connecting pieces completely into pump block and tighten securing bolts - 1 - to 6 Nm.

3 Oil reservoir

• With Min and Max markings.

• Oil level must be between markings.

4 Pump block

5 Motor for hydraulic pump

6 Noise Insulation

7 Hydraulic pump housing

Oil Reservoir, Replacing






1 Oil reservoir

• Before removing, first loosen filler plug - 2 - to bleed.

• To remove, loosen bolt - 7 - on clamp until oil reservoir can be removed from pump block.

• Then pull oil reservoir off of pump block, alternating sides.

• Always replace O-ring seals.

• Before install, first loosen filler plug - 2 - to bleed.

• When installing, slide oil reservoir on to the first retainer.

• Then slide oil reservoir in the correct position completely onto pump block.

• The oil reservoir then engages in the pump block.

• O-ring seal must lie cleanly in the intended groove.

• After checking, slide on clamp - 6 - and tighten bolt - 7 - to the specification.

2 Oil filler screw

• When removing or pressing on oil reservoir, loosen bolt to ventilate or bleed.

• 5 Nm

3 Emergency operation valve

• 2 Nm

4 Pump block

5 Motor for hydraulic pump

6 Clamp

7 Bolt

• 4 Nm

8 Oil level marking

Oil Reservoir Installation Location






- For correct installation, Max marking must be at a distance of - a - = 27 mm from upper edge of pump block, measured outward.

- With locking bolt loosened, oil reservoir can be turned far enough for this.

- After aligning correctly, tighten locking bolt to the specification and fill oil.