Instruction manual

20
CHAIN ½ x 1/8
It is strongly recommended that a cahin solvent be used to keep the chain clean. Excess dirt built up on the
chain will cause excess wear. A chain lubricant and solvent for normal road bikes may be uaed.
Check the lubrication and tension of the chain at regular intervals. In the middle of its free length the chain
should have a minimum play of 5 mm. See fig 12. When the play in the chain is about 20 mm (<1 inch) the
chain must be tightened otherwise it will cause unnormal wear of the chin and chainwheels. Because of this it is
always recommende to keep the chain play as little as possible. When the chain has become so long that it can
no longer be tightened with the chain adjusters it is worn out and shall be replaced with a new one.
ADJUSTING CHAIN
Remove left and right frame cover. See RRPLACEMENT of BRAKE BELT.
To adjust the chain the hub nuts should be loosened. Loosening or tightening the nuts on the chain adjusters
will then move the hub and axle forward or backward. Adjust according to above recommendation. Then
tighten the nuts on the hub axle again. See fig 12.
CHAIN REPLACEMENT
Loosen the chain adjusteras much as possible. Dismantle the cahinlock and remove the chain. Put on a new
chain and assemble the chain lock.The spring of the chain lock should be assembled with the closed end in the
movement direction of the chain. Use a pair of tongs for dismantling and assembling the spring. See fig 13.
Adjust chain adjusters to chainplay according to above. Tighten axle nuts firmly.
Put on frame covers again.
NOTE: At assembly the flywheel has to be parallell with the center line of the frame. Otherwise the
chain and chainwheels makes a lot of noise and wears out very rapidly.