12. Trouble-shooting the electrical system
Note! Make sure that the mains are connected.
Motor does not
run
13. Lubrication plan
We recommend lubricating the SB750
1.
Lifting arm bearings
2.
Motor/gas spring bearings
3.
Gliders and guide ways
4.
Shear arms and rollers shaft - lubricate with oil/grease
Lubricate with medically clean oil, e.g. KEW-WO 50, order no.: 813239 and grease, order no.: 1497607.
No motor sound
Motor sounds
TM
according to the following instructions:
- lubricate with oil
- lubricate with oil
- lubricate with grease
23
Motor plug not
connected
Sounds from the
relay
Defective motor
Defective control
unit
No relay sounds
Defective hand
control
Piston rod does
Defective motor
not move