Zephyr ION Owner's Manual download pdf (Page 16)

16

The arm

Steel

springs

Lift adjustment

knob

The Arm

Arm post

Double action

hinge

Rod ends

Socket

Socket quick

release pin

Upper arm section

Lift

adjustment

knob

Forearm section

The arm socket is inserted into

the socket block on the vest.

Mounting the arm to the vest

The arm mates with the vest via an

adjustable socket in the arm and a

female socket block on the vest. The two

adjustment screws in the socket block on

the vest and two “rod ends” in the mating

section of the arm determine the lift angle

of the arm. These two adjustments are your

“threads,” and they are specic to your

body size and shape. Setting your threads

correctly is critical for good operating.

Some combination of adjustment of

these screws – and your physique and

posture – will make the arm lift straight

up when carrying the sled. The angles

of adjustment are not directly “in-out”

and “side to side”, but rotated about

30° clockwise (relative to the operator).

We will suggest approximate threads to

start, but the only real way to test your

threads is to pick up the sled and see what

happens. You can’t set your threads fully

without picking up the rig.

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