Zuma Assembly and Maintenance Guide
D. Reassemble the Top Cap Weight, Selector Stem,
and U bracket.
E. Test again the movement of the Selector Stem
inside the Weight Stack.
F.
If the Selector Stem continues to contact the plates,
repeat steps A through E until the Selector Stem
slides through the Weight Stack without contacting
the plates.
Backward Angle Adjustment
When the Selector Stem angles backward (away from
the seat) and contacts the inside of the Weight Stack
during use, adjust it by following these steps:
CAUTION: This adjustment requires two people.
A. Completely disassemble the Top Cap Weight,
Selector Stem, and U bracket.
B. Thread an Allen head set screw into the hole
closest to the top of the U bracket and turn it
clockwise until the end of the screw is flush with the
inside surface of the U bracket.
C. Turn the set screw clockwise another one-half turn
(see diagram).
D. Reassemble the Top Cap Weight, Selector Stem,
and U bracket.
E. Test again the movement of the Selector Stem
inside the Weight Stack.
F.
If the Selector Stem continues to contact the plates,
repeat steps A through E until the Selector Stem
slides through the Weight Stack without contacting
the plates.
Adjustments
A
Top Cap
U Bracket
Weight
Set screw
Selector Stem
Backward Angle
1
2
B
Allen head
B
set screw
Inside
surface
3
4
5
6
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