Saris H3 Direct Drive Belt Service Kit is a maintenance kit that contains all the necessary parts and instructions to replace the drive belt on your Saris H3 Direct Drive trainer. Replacing the drive belt is a relatively simple process that can be completed in about 30 minutes. Once you have replaced the belt, your trainer will be as good as new and you can continue to enjoy your indoor cycling workouts.
Here are some of the benefits of using the Saris H3 Direct Drive Belt Service Kit:
- Extends the life of your trainer
- Improves the performance of your trainer
- Reduces noise and vibration
H3 Drive Belt Replacement
Manual
Customer Service
800.783.7257
saris.com
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Disconnect the power cord and remove the bicycle from the Hammer.
If necessary, remove the cassette and freehub from the trainer. It is easiest to remove the whole freehub
assembly by removing the endcap with 5mm Allen for the QR endcaps and an adjustable wrench for all
others.
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Lay the trainer on its side on a mat or towel to prevent scratching. The drive side of the trainer is pointed
up. Insert 5mm Allen key turning counter clockwise to remove endcap.
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Remove the side cover by loosening the 5 smaller screws with a 1/8 Allen key, and the 2 larger screws
with a T30 key turning counter clockwise.
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Lift the case of the Hammer to gain access to
the tension screw, you can gain access to the
tension screw port by opening up the leg.
Open leg to outward position.
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Using the 5mm Allen Turn the tension screw counter clockwise.
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You should be able to rock bolt freely from side to side.
Unthread bolt until 1/4in -
1/2in is exposed.
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Once tension bolt is completely loosened you
can remove the belt from the pulley wheel.
Slide the belt between the pulleys and remove
the belt.
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Slide the old belt out between the two pulleys. To install the new belt slide the new belt
between the two pulleys.
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Gently pull the belt over the large pulley wheel. Carefully spin the flywheel clockwise while gently
pushing the belt onto the fly wheel.
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The path for the belt is around the large flywheel and then in between the two pulleys.
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Tighten the tension screw. Periodically rock the tension screw to
make sure it is seated.
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Check the distance between the two washers
with the provided measuring gauge. It should be
3/4in.
Close the leg and install the case. Tighten down
all the fasteners until snug. Reinstall the freehub.
Once installed perform rolldown calibration.
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For a full warranty www.saris.com/support/warranty
Saris 5253 Verona Road Madison WI 53711 608-274-6550 | 800-783-7257 www.saris.com 29265A 03/20
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