6-66
GENERAL REPAIR GUIDELINES
Observe the following guidelines when
carrying out repairs on hydraulic pumps.
Close off all openings of the hydraulic unit.
Replace all of the seals.
Use only original spare parts.
Check all sealing and sliding surfaces for
wear.
Re-work of the sliding surfaces by using,
for example abrasive paper, can damage
the surface.
Fill the hydraulic pump with hydraulic oil
before commissioning.
Change the shaft seal and check its
sliding surface (drive shaft) and housing,
grease the sealing ring.
(2)
2)
※
(1)
(2)
(3)
※
(4)
2
1
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Assemble the sealing ring, fitting tool
holds the correct position of the sealing
ring in the pump housing.
Assemble the circlip in the correct
position.
(3)
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SEALING THE DRIvE SHAFT
Protect the drive shaft.
Remove the circlip.
Remove the shaft seal.
1 Circlip 2 Shaft seal
3)
(1)
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Summary of Contents for HL955
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