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9.19.5. Removing the Up/down gear block
* You cannot replace Up/down shaft or Up/down motor without disassembling the Up/down gear block.
* Proceed the Procedure of 1-4 of 9.19.3 Removing the Width sensor.
1. Remove the Massage mechanism block from the Rear frame.
2. Remove 10 screws on the Up/down driving install plate and the Intensity driving install plate.
3. Remove two screws on the Up/down sensor install plate.
4. Remove three screws on the Up/down gear box and the Up/down driving install plate.
5. Remove four Install screws on the Up/down gear box A/B.
6. Remove two Install screws on the Up/down gear box and the Up/down motor.
2. Remove 10 screws on the Up/down driving install plate and the Intensity driving install plate.
3. Remove two screws on the Up/down sensor install plate.
4. Remove three screws on the Up/down gear box and the Up/down driving install plate.
5. Remove four Install screws on the Up/down gear box A/B.
6. Remove two Install screws on the Up/down gear box and the Up/down motor.
(One is the Grounding screw.)
9.19.6. Removing the Up/down shaft (Up/down shaft bolt)
* Remove the Massage mechanism block from the Massage chair before executing this work.
1. Remove the Up/down shaft bolt on the Pinion B/C with the 13mm-Box driver and a Phillips screwdriver.
Caution in installing
• The Up/down shaft bolt may be broken if it is tightened too much.
Tighten the Up/down shaft bolt at 35-45kgfcm (350-450Ncm) (40-52lbfin) with a torque wrench.
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