• If necessary, rework the components with an appropriate tool and then clean them again.
• Apply an appropriate lubricant to the contact surfaces to protect them against fretting
corrosion.
NOTICE
Risk of damage to shaft sealing rings from cleaning agent
Aggressive chemical cleaning agents may cause damage to shaft sealing rings.
Do not allow the cleaning agent to come into contact with the shaft-sealing rings.
5.4.2.2 Mounting
Procedure
NOTICE
Damage to the gear unit
The gear unit can become damaged if it skews during assembly.
The hollow shaft must be ush with the machine shaft during assembly of the gear unit on the
machine shaft. The gear unit must be prevented from skewing.
NOTICE
Damage to the rolling-contact bearings
The rolling-contact bearings can become damaged if the gear unit skews during mounting.
The hollow shaft may be mounted on a machine shaft shoulder only if the gear unit features
one of the following:
• Torque arm
• Elastic pedestal
• Supported by gear unit swing base
Proceed as follows to install the gear unit:
1. Use suitable hoisting gear to lift the gear unit.
2. Mount the gear unit using the nut and screw spindle.
The gear unit is supported by the hollow shaft.
Assembly
5.4 Shaft-mounted gear unit with hollow shaft and parallel keyway
Assembly and operating instructions A5051en
Edition 06/2020 71
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