Trumpf TruSystem 7000, Service Manual

Page: 47 / 306

Back section gear box
Service Manual TruSystem 7000 Operating Table – 1 764 986 – 10/2016
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12.5 Back section gear box
Disassembly 1. Prepare the operating table (see chapter 7 on page 29).
2. Switch off the operating table and disconnect the internal
power supply (see chapter 10 on page 33).
3. Remove the pad plate of the seat section (see chapter 12.2 on
page 40).
4. Remove the pad plate of the back section (see chapter 12.2
on page 40).
5. Remove the drive unit of the back section (see chapter 13.6 on
page 65).
6. Pay particular attention to the installation position of the motor
and to the feather key.
Release the ring nut on the motor [2] with a hook spanner
wrench and pull the motor [2] out of the gear box [1].
7. Remove the cover foil [3] on the inner joint.
8. Remove the side cover [4] from the outer joint (1 screw [5] on
the inside of the joint).
9. Remove the side rail [6] from the back section bar [9] (2
screws).
10. Remove 3 pins [7] each from the inside and outside on the
joint with the pin remover.
11. Important: there is one sliding disk [8] between the back
section bar [9] and the gear box [1]. Do not lose the sliding
disk.
Remove the back section bar [9] from the gear box [1] (3
screws each [10]).
Assembly 1. Remove any adhesive residue from the back section bar and
degrease.
2. Check the sliding disks and replace them if worn or damaged.
3. Press the sliding disk against the gear box and mount the back
section bar to the gear box (3 screws each).
4. Tap 3 pins each inside and outside on the back section bar
into the gear box.
5. Install the side cover of the outer joint (1 screw on the inside of
the joint).
6. Glue a new self-adhesive, cover foil to the joint on the inside of
the back section bar.
7. Mount the standard rail to the back section bar (2 screws).
8. Make sure to re-install the motor in its original position.