Raymarine Mk II Installation Manual page 12

Wheel drive
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12
Pedestal bracket – length and position
Note:
If you are replacing an existing 4000 wheel drive, you need to: remove the old pedestal bracket,
cut the new bracket pin to the correct length (see steps 2 and 3 below), then secure it in the standard
orientation using the existing pedestal holes.
1. Fit the wheel onto the pedestal, tighten the wheel nut to hold the wheel in place, and
engage the wheel drive's clutch:
• if possible, lock the wheel in position with the appropriate slot centered at the bottom
of the wheel
• otherwise, you will find it useful to have an assistant to hold the wheel in position so
you can locate the bracket correctly
2. Measure dimension A – the distance between the front of the pedestal and the rear edge
of the drive's front cover (see diagram):
• you may find it easiest to hold the bracket below the wheel drive and mark dimension
A directly on the pin
If the wheel is bent or not running true, dimension A will change with the wheel position. Mea-
Note:
sure the smallest distance.
3. Use a hacksaw to cut the pin 10 mm (0.4 in) LONGER than dimension A. Remove any
sharp edges at the cut end with sandpaper or a file.
4. Place the pin end in slot 1 or 2 (as required):
• to do this you may need to loosen the wheel nut so you can slide the wheel forward
slightly, place the pin end in the slot, return the wheel to its normal position and re-
tighten the wheel nut
You can install the pedestal bracket either way up. In the standard orientation the pin is at the
Note:
bottom (below the mounting holes – see diagram). If obstructions on the pedestal prevent you from us-
A
MK II Wheel Drive
Cut here
A
10 mm

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