Stamina UX2 Air Bike Owner's Manual page 17

ADJUSTMENT INSTRUCTIONS
STEP 6: Hold the FAN(18) so that the FRONT SPROCKET is on your left side as shown.
STEP 7: Loosen NUTS "A" and "B" until at least 1/2" of FAN AXLE is showing between NUT "A" and
the FAN BUSHING.
STEP 8: Tighten NUT "C" completely until it bottoms out on the last FAN AXLE thread.
STEP 9: Tighten NUT "A" completely against FAN BUSHING, then back off 1/4 turn or until the FAN
AXLE has a very small amount of play side to side.
STEP 10: Hold NUT "A" and tighten NUT "B" completely against the SPEED PICKUP and NUT "A".
NOTE: The FAN should be able to spin freely on the FAN AXLE after completion of this step.
WASHER
FAN AXLE
NUT C
WAVY WASHER
STEP 11: Reverse STEPS 1 through 4 to reinstall the FAN(18),
FAN CAGES(28), CHAIN(17), and CHAIN GUARDS
(29, 30).
NOTE: DO NOT tighten NUTS(3/8"-26)(66) and NUTS
(M6x1)(65) until STEP 11.
STEP 12: The CHAIN must be adjusted as follows:
a. Make sure the CHAIN(17) is on both the FRONT and
REAR SPROCKETS.
b. Tighten NUT(M6x1)(65) on EYE BOLTS(22) until all
slack is removed from CHAIN(17) and CENTER of
NUTS(3/8")(66) are the same distance from TAB on
both sides of BIKE.
c. Tighten NUTS(3/8")(66).
FAN
FAN BUSHING
FRONT
SPROCKET
NUT A
17
SPEED PICKUP
NUT B
WASHER
FAN BUSHING
RESISTANCE HUB
TAB