Schwinn 26” User Manual page 46

Drivetrain (pedals, chains, chainwheel, crank set, freewheel)
Frequency: as noted
Inspect
Pedals
Pedal Bearings
Chains
43
Action
Every month, check each pedal is securely
set and tighten into the crank arm.
Before each ride, check each front and rear
pedal reflectors are clean and in place.
Every month, check the pedal bearings
are properly adjusted. Move the pedal
up and down, left and right. If looseness
or roughness is detected adjustment,
lubrication or replacement is required.
Every week, check the chains are clean,
properly lubricated, rust free, and is not
stretched, broken, or have stiff links.
Every week, check chain tension is correct
on both chains:
1. Set a straightedge against the bottom of
the front chainwheel and rear sprocket.
2. Pull up on the bottom of the chain.
3. If movement is more than 10 mm adjust
the position of the rear frame.
Maintenance
If necessary, re-set and tighten.
Clean or replace.
See bicycle mechanic for repair.
Lubricate if necessary. Replace if rusted,
stretched, or broken.
Loosen bolts holding the rear frame and
move it until the chain is taut and moves
less than 10 mm. Check the rear frame is
"square" to the main frame and firmly tighten
the bolts holding the rear frame.