4 Repair
4.7.5. Replacement of gearbox, axis 5
3HAC022033-001 Revision: K396
© Copyright 2004-2011 ABB. All rights reserved.
Refitting, wheel unit
The procedure below details how to refit the wheel unit.
Action Note
1. Clean the wheel unit and the tube mating surfaces.
2. Lubricate packing box with grease. Art. no. is specified in Required
equipment on page 392.
3. Apply removal tool to the center hole of the gear Z4. Art. no. is specified in Required
equipment on page 392.
4. Refit wheel unit by gently lowering it straight down.
5. Gently knock on the wheel unit with a plastic mallet,
to press it all the way down.
NOTE!
Make sure the bearing reaches
the bottom, before continuing the
mounting!
6. Fasten the bearing washer with its attachment
screws and secure with locking liquid .
Turn the gear Z4 in order to reach all the screws.
xx0200000068
A. Gear Z4
B. Surface beneath VK-cover
C. VK-cover
D. Attachment screws, gear
Z4, 21 pcs: M16
E. Attachment screws,
bearing washer, 7 pcs: M6
7. Clean the surface beneath the VK-cover with iso-
propanol.
8. Secure the wheel unit with attachment screws, gear
Z4.
21 pcs: M16 x 90; 12.9 quality
UNBRAKO, tightening torque:
300 Nm.
Reused screws may be used,
providing they are lubricated as
detailed in section Screw joints on
page 423 before fitting.
9. Refit the VK-cover. Art. no. is specified in Required
equipment on page 392.
Shown in the figure Location of
gearbox on page 391.
10. Proceed with step 11 in the refitting detailed in the
previous procedure (procedure Refitting, gearbox
axis 5 on page 394).
Continued
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