www.jetsonbike.com 16
it has changed enough. If not, repeat steps 3 & 4 until the proper tension
is achieved.
5. Tighten the axle nuts to 15 ft lbs.
NOTE: To loosen the chain tension, follow the steps above except turn the tensioner
bolts counter-clockwise (outward) to loosen.
The drive chain on your Jetson jr. must be kept lubricated often to avoid excessive
wear. To lubricate the drive chain, follow the steps below:
1. Park the bike on a level, flat surface using the kickstand.
2. Lean the bike toward the kickstand so that the rear wheel comes off
the ground an inch or two.
3. As you rotate the rear tire, wipe down the chain with a clean cloth to
remove as much grime and build up as possible.
3. Again rotating the rear tire, spray a good chain lubricant on the chain
so that the full length of the chain is lubricated. Use any spray lube, a
household oil like 3-in-1 oil, or any bicycle-specific chain lube.
Spray solvents like WD-40 are not recommended as they tend to dilute
and remove oil from the chains.
4. Using a cloth, wipe off the excess lube.
NOTE: The chain should be thoroughly lubricated but without buildup of lube, which
can collect dirt and grit which causes damage to the chain.
The Jetson jr. is equipped with a 30-amp fuse to protect the system in the event of
electrical shorts. When a short or overload in the system occurs, the fuse activates
which will protect the wiring and help to avoid possible fire.
Possible situations that can result in a blown fuse can be:
1. A worn or pinched wire in the system that causes a short.
2. Moisture in the system.
3. Overloaded electrical system.
In the event of a burned-out fuse, your Jetson jr. will not work when you turn it on and
the indicator lights will not light up. To check and/or replace the fuse, follow the steps
on the following page:
DRIVE CHAIN TENSION (CONTINUED)
LUBRICATING THE DRIVE CHAIN
REPLACING THE FUSE
MAINTAINING YOUR JETSON JR.
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