Lotus Elise S1 Service Notes page 513

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Lotus Service Notes
Section XA
XA.13 - REMOVEABLE STEERING W H E E L - A111H0026J
The motorsport removeable steering wheel is a direct replacement for the standard wheel, and allows for
quick detachment of the wheel for improved cabin access, and can provide an increased measure of theft
protection. The Momo three spoke wheel is the same 320mm (12
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/2 in) diameter as the standard wheel, and is
trimmed in red leather, with contrasting leather inserts in the thumb areas. A removeable key barrel provides
the option to lock the wheel to the column, and positional variations of the three wheel to hub drive pins,
ensures that wheels cannot be interchanged between similarly equipped cars.
Fitting Instructions
1. Remove the standard steering wheel:
- Pull off the centre trim pad with horn button and disconnect the two horn leads.
- Remove the column nut and match mark the hub to the column to aid alignment on re-assembly.
- Use a suitable steering wheel puller tool to locate behind the steering wheel boss and bear against the
end of the column.
CAUTION: If excessive force is applied to either the wheel or column without an appropriate
puller, the telescoping mechanism of the outer column may be activated, necessitating column
replacement.
2. Dismantle the standard wheel and retain the splined hub, and the horn slip ring carrier.
3. Assemble the new wheel assembly:
- Fit the horn contact adaptor into the locking ring with the alignment pip and notch engaged.
- Secure the steering wheel spacer ring to the locking ring with six countersunk screws, using a suitable
thread lock.
- Fit the steering wheel to the spacer ring with six countersunk screws, using a suitable thread lock.
- Connect the two leads to the new horn push - red to centre, black to side, and press the button assembly
into position.
- Fit the hub spacer ring to the splined hub using four caphead screws and suitable threadlock, with the
eyelet of the new horn extension lead beneath one of the screw heads.
- Fit the horn slip ring carrier to the splined hub, feeding the two wires through the hub and spacer ring.
Ensure that when the splined hub is fitted to the column, the turn indicator cancelling vane is on the left
hand side.
- Check that the column bearing preload spring is fitted onto the column before fitting the splined hub with
the match marks aligned. Fit the column nut and tighten to 25 Nm.
- Connect the horn lead spade connectors to the spigot hub and insulate with the sleeves provided. Fit
the spigot hub to the hub spacer ring with the notch on the hub periphery aligned with the T O P
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mark on
the reverse side of the splined hub and secure with the six countersunk screws, using a suitable thread
lock.
4. Fit the steering wheel onto the spigot hub and check the operation of the key barrel lock, horn button, and
indicator cancelling mechanism.
Illustration overleaf
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