Trumpf TruSystem 7000, Service Manual

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Leg section gear box
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Service Manual TruSystem 7000 Operating Table – 1 764 986 – 10/2016
12.4 Leg section gear box
12.4.1 Operating table without side rail at the joint
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). Important: keep the back section pad plate
attached so that the bar adjustment is retained.
4. Remove the drive unit of the leg section (see chapter 13.4 on
page 61).
5. 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].
6. Remove the cover plate [3] from the inner coupling plate [6]
(1 screw) and pull the cable pass-through [4] out of the
coupling plate [6].
7. Remove the cover foil [5] from the internal and external
coupling plate.
8. Disconnect the internal [6] or external [7] coupling plate from
the coding plate [8] (2 screws).
9. Remove 3 pins [9] each from both coupling plates with the pin
remover.
10. Important: there is one sliding disk [11] between each
coupling plate [6]/[7] and the gear box [1]. Do not lose the
sliding disk.
Remove the internal [6] and external [7] coupling plates from
the gear box [1] (3 screws each [10]). Pull out the sensor
cable completely.
Assembly 1. Remove any adhesive residue from both coupling plates and
degrease.
2. Check the sliding disks and replace them if worn or damaged.
3. Pull the sensor cable through the removed parts (sliding disk -
gear box - sliding disk - inner coupling plate).
4. Press the sliding disk against the gear box and mount both
coupling plates to the gear box (3 screws each). Make sure
the sensor cable does not get pinched.
5. Tap the 3 pins on each of the coupling plates into the gear
box.