5
After the first season the surface of the rings will have wom smooth and they will
therefore take up slightly less space. Adjust the resulting clearance down to max.
5 mm by moving the stop rings (see fig. 1). Remember to tighten the stop ring
screws well. It is advisable to slacken and retighten the screws a couple oftimes
so that they grip better.
Fig. 1:
Check the air pressure in the tyres before the season. It should be 5.2 bar.
For prolonged indoor parking in the transport position, the piston rod should be
lubricated with oil or grease.
REPAIRS:
Wheels:
For changing wheels owing to punctures, etc., set the machine in the operating
position. This enables the wheel to be removed without using ajack.
Changing the wheel bearings, see fig. 2.
1.
Unscrew the hub cap, pos. 21.
2.
Remove split pin pos. 20.
3.
Remove lock nut, pos. 19.
4.
The axle, pos. 2, can now be knocked out.
5.
The bearings, pos. 17 and 18, can now be removed.
6.
The sealing ring, pos. 16, can now be removed.
7.
Install the outer races of the bearings, pos. 17 and 18, in the hub housing, item
22.
8.
Fit the sealing ring, pos. 16.
9.
Mount the inner ring for the bearing, pos.17. on the axle, pos. 2, and
insert the axle in the hub housing.
10.
Mount the inner ring for the bearing, pos. 17, on the axle, pos. 2.
11.
Screw the lock nut onto the axle, pos. 2, whilst rotating the hub housing, pos.
22. Tighten the lock nut so that it is difficult to rotate the hub housing, pos.
22. Then slacken the lock nut until the hub housing can again be rotated
without resistance.
12.
Fit the split pin, pos. 20.
13.
Fit the hub cap, pos. 21.
14.
Lubricate the hub with ball bearing grease.