Fromm & Starck STAR DESK 21 Manual De Instrucciones página 30

STEP 2: Attaching the crossbars
Attach the crossbar (I) to the front of the lifting column with 4 screws (S-A), then
attach the crossbar (F) to the top of the column with 4 screws (S-D).
STEP 3: Installing the drive shaft
• Loosen the knob on the right end of the drive shaft (E) and attach to the motor
spindle as shown in Figure 3.1. Then tighten the knob.
• Loosen the knob on the left end of the drive shaft and pull out the inner shaft to
fit the length of the desk.
• Insert the left end of the drive shaft into the hexagonal mounting hole in the
lifting column as shown in Figure 3.2. Then tighten the knob.
Caution: If the mounting hole of the lifting column does not match the dimension
of the drive shaft, carefully adjust the mounting hole with an 8 mm Allen key (S-J)