Sears
Toys & Games

Model # 78661221 Official Sears gym set

Here are the diagrams and repair parts for Official Sears 78661221 gym set, 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 64 parts  |

Leg 90112S
#4

A-frame assembly diagram

Leg

Part #90112S

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

Owner's Manual INS61221

#NI

All parts diagram

Owner's manual

Part #INS61221

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

1/2 S.m.sc 1474P
#18

Lawn swing assembly diagram

1/2 s.m.sc

Part #1474P

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

Secondry Bag E43

#NI

All parts diagram

Secondry bag

Part #E43

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

5/16 Prute 1663P
#25

A-frame assembly diagram

5/16 prute

Part #1663P

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

1/4x1-1/2 1980P
#17

Airglider assembly diagram

1/4x1-1/2

Part #1980P

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

Bolt 1039P
#15

A-frame assembly diagram

Bolt

Part #1039P

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

Support 95485M
#3

Lawn swing assembly diagram

Support

Part #95485M

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

Seat Swing 1521P
#1

Swing seat assembly diagram

Seat swing

Part #1521P

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

Airglide S 1520P
#4

Airglider assembly diagram

Airglide s

Part #1520P

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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.…

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.…

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

A blade obstruction, bad recoil starter or locked-up engine can prevent the pull cord on your mower from working. See ho…