Craftsman
Farming

Model # 78615121 Official Craftsman 4-gallon open top sprayer

Here are the diagrams and repair parts for Official Craftsman 78615121 4-gallon open top sprayer, 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 37 parts  |

Clamp 1-4622
#17

Replacement parts diagram

Clamp

Part #1-4622

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

Lawn Sprayer Pump Cap Assembly 3-7268
#2

Replacement parts diagram

Lawn sprayer pump cap assembly

Part #3-7268

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

Lawn Sprayer Washer 2-2252
#11

Replacement parts diagram

Lawn sprayer washer

Part #2-2252

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

Lawn Sprayer Washer 1-3635
#24

Replacement parts diagram

Lawn sprayer washer

Part #1-3635

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

Lawn Sprayer Adjustable Nozzle Base 1-4974
#31

Replacement parts diagram

Lawn sprayer adjustable nozzle base

Part #1-4974

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

Shut-off 3-6050
#19

Replacement parts diagram

Shut-off

Part #3-6050

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

Lawn Mower Handle 3-7154-4
#8

Replacement parts diagram

Lawn mower handle

Part #3-7154-4

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

Lawn Sprayer Plunger Rod Assembly 3-8897
#7

Replacement parts diagram

Lawn sprayer plunger rod assembly

Part #3-8897

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

Lawn Sprayer Pump Barrel 3-7019
#4

Replacement parts diagram

Lawn sprayer pump barrel

Part #3-7019

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

Lawn Sprayer Check Valve 1-4324
#6

Replacement parts diagram

Lawn sprayer check valve

Part #1-4324

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

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

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

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…

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

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 replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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.

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Find out how to test and fix problems with the spark plug, stop wire, ignition coil and flywheel.…