4 Repair
4.5.2 Changing the intermediate gear including sealing
3HAC026320-001 Revision: A 97
4.5.2 Changing the intermediate gear including sealing
General
See foldout 8 in chapter, Foldout.
To dismantle
To assemble
Action Note/Illustration
1.
Dismantle the wrist as described in. Detailed in section:
Dismantling the wrist on page
106.
2.
Dismantle the drive mechanism according to. Detailed in section:
Dismantling the complete
drive mechanism of axes 5
and 6 on page 107.
3.
Dismantle the motor of axis 4 as specified in. Detailed in section:
Changing the motor on page
95.
4.
Remove the cover. See foldout/pos. <8/25>
5.
Undo screws fixing the large drive gear and dis-
mantle it.
See foldout/pos. <8/18> and
<8/17>.
NOTE!
Put the shims in a safe place.
6.
Undo screws. See foldout/pos. <8/12>.
7.
Push the intermediate gear out of the arm housing.
Action Note/Illustration
1.
Grease the seating of the arm housing to provide
radial sealing.
2.
Push the gear unit down into the arm housing.
3.
Screw in screws together with their washers and
pull the gear down.
See foldout/pos. <8/12> and
<8/13>
4.
Mount the drive gear <17> using screws <18> and
tighten to a torque of 8.3 Nm ±10%.
NOTE!
Do not forget to insert shims under the drive
gear.
See foldout/pos. <8/14, 8/15,
8/16>
5.
Tighten the screws. See foldout/pos. <8/12>
Torque, approximately 5 Nm.