RE 15300-WA, Version 06.2021,
Bosch Rexroth AB
Removal and replacement
67/72
Removing the CBm coupling motor
1.
Secure the motor to a lifting device, see chapter
2.
Remove the cover.
3.
Dismount the plug G1¼.
4.
Install the assembly tool by pass the tie rod through the centre of the motor
and screw it into the driven shaft by using a wrench at the key grip at the end of
the assembly tool.
5.
Mount the nut and then the washer tight to the bearing holder. Mount the
dismantling tool with the screws to the bearing holder.
6. Untighten the screws on the harsh kit.
7.
Disconnect the torque arm from the articulated connection.
8.
Untighten the screws on the shrink disc gradually, appr. a quarter turn each.
Keep doing this until all screws are untighten.
9.
Pull the motor off the shaft by turning the nut on the assembly tool.
Removing the CBm spline motor
1.
Secure the motor to a lifting device, see chapter
2.
Place the oil barrel below the motor.
3.
Remove the cover.
4.
Dismount the screw M30 or plug
G1¼
5.
Remove the bearing holder. The oil will drain out.
6.
Dismount the spacer (torque armed mounted motor) or the plug G 1¼ (flange
mounted motor).
7.
Mount the bearing holder.
8.
Install the assembly tool by pass the tie rod through the centre of the motor
and screw it into the driven shaft by using a wrench at the key grip at the end of
the assembly tool.
9.
Mount the nut and then the washer tight to the bearing holder. Mount the
dismantling tool with the screws to the bearing holder.
10.
If the motor is flange mounted, unscrew the motor from the flange. If the
motor is torque armed mounted, disconnect the articulated connection.
11.
Pull the motor off the shaft by turning the nut on the assembly tool.
Assembly tool motor
1
Tie rod
2
Nut
3
Washer
4
Dismantling tool and
screws
Fig. 61: Assembly tool for removing the CBm spline motor
2
3
4
1
Bearing holder
Driven shaft
Cover
Plug G 1¼
DD00060386
DD00060387
If there are no screw
holes predrilled in
the bearing holder,
use the dismantling
tool as a template to drill
and tap new holes,
M12 depth 15-20 mm.