76
English 5.906-548.0 Rev. 00 (04/12)
1 Piston guide
2 Installation screw
3 Piston
4 Low pressure seal package
5 Oil drain screw
Remove the low pressure seal packages from the
pistons.
1 Motor
2 Installation screw
3 Lockscrew M8x40 or M12x50
4 Auxiliary screw M6x110 with nuts
5 Piston guide
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Warning
Do not let gear oil spill into the environment. Please
protect the soil and dispose of waste oil in a environ-
mentally-friendly way.
Instead of the cylinder head screws, install two
lockscrews M8x40 or M12x50 with large washers
diagonal across and tighten them.
Unscrew the oil drain screw and catch the oil. Un-
screw both mounting screws and replace with aux-
iliary screws M6x110 (special tools).
Remove the lockscrews M8x40 or M12x50.
Unscrew the mounting screws M6x110 evenly
against the pressure of the piston springs. Do not
tilt the piston guide during this process.
Remove the piston guide and the piston.
Check the piston, springs and O-ring for damage;
replace if necessary.
1 Piston guide
2 Puller tool
3 Oil seal
Remove the oils seals with the puller tool.
1 Oil seal
2 Installation mandrel
Note
Place the new oil seal in water prior to installation.
Place the new oil seal onto the installation mandrel
(single lip into the groove of the mandrel).
6.6.2 Remove the piston guide and replace the oil
seals