Mounting The Drive Unit And Belt - Raymarine ST3000 Owner's Handbook Manual

44
The drum comes with three complete sets of spacers to fit differing
spoke diameters.The spoke diameter is marked alongside each
spacers – break off the appropriate spacers for your wheel spokes.
Use the U-clamps to secure the wheel drum to the wheel spokes:
•
•
•
•

Mounting the drive unit and belt

Standard installation
The drive unit is normally mounted on the cockpit side wall. If the
standard belt does not allow a convenient location for the mounting
clevis, you will need to purchase one of the alternative belt sizes to
increase or decrease the radial offset of the mounting pin.
Belt name
B-
A-
Standard belt
A+
B+
ST3000 Wheel Drive Autopilot - Owner's Handbook
2 mm maximum
run out
roughly position the drum on the wheel and then lightly tighten
the clamp nuts
check if the drum is central by spinning the wheel
re-position the drum until it is central – with a total run-out less
1
than 2 mm ( / in)
16
when the drum is central on the wheel, tighten the clamp nuts
Part number
D037
D038
D039 (supplied)
D040
D041
Spoke
Spacers
Drum
D5636-1
Radial off-set
512 mm (20.1 in)
546 mm (21.5 in)
598 mm (23.5 in)
717 mm (28.2 in)
850 mm (33.5 in)