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Century
Farming

Model # 500 Official Century trailer

Here are the diagrams and repair parts for Official Century 500 trailer, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 21 parts  |
Bracket 50018
#18

Replacement parts diagram

Bracket

Part #50018

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

Chassis 5003
#3

Replacement parts diagram

Chassis

Part #5003

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

Wheel Carrir 5002
#2

Replacement parts diagram

Wheel carrir

Part #5002

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

Wheel Tire 5004
#4

Replacement parts diagram

Wheel tire

Part #5004

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

Stake 50021
#21

Replacement parts diagram

Stake

Part #50021

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

Belt Nut Washer 50013
#13

Replacement parts diagram

Belt nut washer

Part #50013

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

Belt Nut Washer 50010
#10

Replacement parts diagram

Belt nut washer

Part #50010

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

Bolt 50015
#15

Replacement parts diagram

Bolt

Part #50015

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

Bracket 50017
#17

Replacement parts diagram

Bracket

Part #50017

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

Shaft 5007
#7

Replacement parts diagram

Shaft

Part #5007

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.

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Why is my softened water salty?

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

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Why isn't my water softener meter working?

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

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Why does my water softener overflow?

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

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Why are water softener resin beads in my water?

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

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Why isn't my water softener using salt?

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

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Why is there no display on my water softener?

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

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Why isn't my water softener softening my water?

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

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Why does my water softener leak water?

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

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Repair guides for water softeners

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

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How to replace a water softener venturi

How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow…

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Repair difficulty
Time required
 15 minutes or less
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…

Read more
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…

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Repair difficulty
Time required
 15 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.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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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…

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