Adjusting Grouper Canvas Tension
Adjust length of spring (E) on rear canvas tensioner (A) to 100 mm (3.93 in.) by using tightening screw (D) and lock nuts (C).
Adjust length of spring (E) on front canvas tensioner (B) to 80 mm (3.15 in.) by using tightening screw (D) and lock nuts (C).
Check grouper canvas tracking.
IMPORTANT:
For proper operation, front and rear tensioner straps (F) must always move freely without too much play. Use lock nuts (G) to adjust play at straps (F).
If the canvas track against the frame it will cause excessive wear to the frame and canvas. Readjust grouper canvas if necessary (See "Adjusting Grouper Canvas Tracking" in this section).
A-Rear canvas tensioner
B-Front canvas tensioner
C-Lock nuts
D-Tightening screws
E-Springs
F-Straps
G-Plate lock nuts
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