4 Repair
4.2.3. Mounting instructions for seals
2493HAC022033-001 Revision: K
© Copyright 2004-2011 ABB. All rights reserved.
4.2.3. Mounting instructions for seals
General
This section describes how to mount different types of seals onto the robot.
Equipment
Rotating seals
The procedure below describes how to fit rotating seals.
CAUTION!
Please observe the following before commencing any assembly of seals:
• Protect the sealing surfaces during transport and mounting.
• Keep the seal in its original wrappings or protect it well before actual mounting.
• The fitting of seals and gears must be carried out on clean workbenches.
• Use a protective sleeve for the sealing lip during mounting, when sliding over threads,
keyways, etc.
Equipment, etc. Art. no. Note
Grease 3HAB3537-1 Used to lubricate the seals.
Action Note
1. Check the seal to ensure that:
• The seal is of the correct type (provided with cutting
edge).
• There is no damage to the sealing edge (feel with a
fingernail).
2. Inspect the sealing surface before mounting. If scratches or
damage are found, the seal must be replaced since it may
result in future leakage.
3. Lubricate the seal with grease just before fitting. (Not too
early - there is a risk of dirt and foreign particles adhering to
the seal.)
Fill 2/3 of the space between the dust tongue and sealing lip
with grease. The rubber coated external diameter must also
be greased, unless otherwise specified.
Art. no. is specified in
Equipment on page 249.
4. Mount the seal correctly with a mounting tool.
Never hammer directly on the seal as this may result in
leakage.
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