Sears
Cycling

Model # 503479030 Official Sears 16" bmx bicycle

Here are the diagrams and repair parts for Official Sears 503479030 16" bmx bicycle, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 31 parts  |

Master Link 073001
#17A

Unit parts diagram

Master link

Part #073001

The manufacturer no longer makes this part, and there's no substitute part

Pr Sprocket 106002
#21

Unit parts diagram

Pr sprocket

Part #106002

The manufacturer no longer makes this part, and there's no substitute part

Tube 041004
#9B

Unit parts diagram

Tube

Part #041004

The manufacturer no longer makes this part, and there's no substitute part

Seat Clp Asm 035005
#24

Unit parts diagram

Seat clp asm

Part #035005

The manufacturer no longer makes this part, and there's no substitute part

Bicycle Wheel, Front 045006
#9

Unit parts diagram

Bicycle wheel, front

Part #045006

The manufacturer no longer makes this part, and there's no substitute part

Tire 040006
#9A

Unit parts diagram

Tire

Part #040006

The manufacturer no longer makes this part, and there's no substitute part

Rim Strip 042004
#9C

Unit parts diagram

Rim strip

Part #042004

The manufacturer no longer makes this part, and there's no substitute part

Spoke/nipple 049507
#20

Unit parts diagram

Spoke/nipple

Part #049507

The manufacturer no longer makes this part, and there's no substitute part

Bolt W/wedge 008006
#4

Unit parts diagram

Bolt w/wedge

Part #008006

The manufacturer no longer makes this part, and there's no substitute part

Fork Assy 005024
#8

Unit parts diagram

Fork assy

Part #005024

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

Main causes: faulty brine valve assembly, bad rotor valve…

Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals…

Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi…

Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals…

Main causes: lack of electrical power, bad power transformer, faulty timer…

Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, fai…

Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank…

Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed…

Repair guides for water softeners

These step-by-step repair guides will help you safely fix what’s broken on your water softener.

How to replace a water softener rotor position switch

How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step…

Repair difficulty
Time required
 30 minutes or less
How to replace a water softener timer

How to replace a water softener timer

The timer is the control board you use to program the water softener. If the timer isn’t accepting commands when you pus…

Repair difficulty
Time required
 15 minutes or less
How to replace a water softener valve motor

How to replace a water softener valve motor

The valve motor rotates the valve rotor to operate the water softener. If the water softener valve motor fails, follow t…

Repair difficulty
Time required
 30 minutes or less

Articles and videos for water softeners

Use the advice and tips in these articles and videos to get the most out of your water softener.

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

How to clean a water softener

How to clean a water softener

Keeping a water softener clean inside and out improves operation and appearance.…