Operation Manual

Biceps Curl Assembly Guide: Assembling the Equipment 11
Installing the Movement Arm
For this procedure, you will need the two flat, oval, metal keys from the
hardware kit. These keys lock the movement arm to the axle and cam.
To install the movement arm:
1. Insert the two keys into the two recesses on the axle. If necessary, tap the
keys lightly with a rubber mallet to seat them in the recesses.
2. Slide the movement arm over the axle as shown in the following figure,
making sure that the notch on the movement arm lines up with the two
keys.
Figure 8: Movement arm installation
3. Place an end cap over the end of the axle and secure it using an M12 x 30
mm flat head cap screw.
Attaching the Counterweight
After completing assembly of the movement arm, you can make final
adjustments to the alignment of the frame and tighten its fasteners.
To attach the counterweight:
1. Slide the narrow end of the counterweight into the upper end of the
movement arm as shown in the following figure.
Figure 9: Counterweight installation
2. Secure the counterweight using two M8 x 25mm flat head cap screws.
Tighten the screws completely.