a.
If the pop pin does not release in all positions, loosen the jam nut
and turn the adjustment nut counter clockwise, ½ turn (Figure 13).
Then tighten the jam nut and retest.
b.
Continue this process until the pop pin releases at all heights when the
load is removed from the shoulder frame.
2.
Remove all weights and lift the weightless shoulder frame. Depress the
release handle. The pop pin should not release with this load.
a.
If the pop pin releases the weight arm, loosen the jam nut and turn
the adjustment nut clockwise, ½ turn (Figure 13). Then tighten the
jam nut and retest.
Figure 13
b.
Continue this process until the pop pin does not release with the
handle depressed.
NOTE
In rare cases, it may be necessary to adjust the nut in ¼ turn increments to
meet both retest checks.
Attach foot plate
1.
Position the foot plate onto the base frame.
2.
Secure the plate using two bolts (Figure 14). Fully tighten the bolts.
Figure 14
Attach Weights
Attach weight arm horns
1.
Slide the weight horn through the bumper and into the weight arm (Figure
15).
Figure 15
2.
Position the second bumper against the inside of the weight arm and attach
the horn using one bolt . Fully tighten the bolts.
Attach counter weights
1.
Slide the counter weight into the back of the shoulder frame and secure it
use two bolts and washers (Figure 16). Fully tighten the bolts.
Figure 16
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