Tunturi E504 - Page 10

E504/E550 Tension Adjustment Procedure
Upon purchasing your E504/E550 recumbent bike you may find the tension system is either too loose or too
tight for your liking. The tension system is preset at our factory for the average user. Should the tension
system not fulfil! your needs it can be readjusted following this procedure:
1. Turn tension knob to the loosest setting (counter-clockwise).
2. Remove computer (2 screws) and computer mounting bracket (2 screws).
3. Remove the left pedal (left hand threads).
4. Remove the left side cover (4 screws).
5. Loosen belt clip (reference part #61 on page 11 of the owner's manual) by pulling down on the front part of
the clip.
6. If the tension is too loose pull the strap up 1/4" and reset belt clip.
If the tension is too tight puli the strap down 1/4" and reset belt clip.
7. Temporarily re-install left pedal to test tension. If it is still not adequate continue to adjust the belt 1/4" at a
time until it is right for you.
8. Remove pedal again and re-install side cover (4 screws).
9. Re-install pedal.
10. Re-install computer mounting bracket and computer.
If you need further assistance please call:
Tunturl Customer Support
1-206-881-7392
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