GPK UPPERTONE User Manual
Page 20
1
1
2
2
A
A
B
B
BACKREST INSTALLATION
With deltoid station set in position
shown at right, pull T-pins out until arms
are disengaged. Lift arms up to horizontal
position and push T-pins in so they rest
on top of brackets as shown below.
Pull plugs out from the ends of deltoid handles. Slide
handles in until they line up with BACKREST tubes. Slide
BACKREST in place as shown above. Adjust BACKREST
position with shaft collars.
SHAFT COLLAR
BACKREST
FIGURE 13