Homelite
Gas Walk-Behind Mower

Model # UT30117 Official Homelite lawn mower

Here are the diagrams and repair parts for Official Homelite UT30117 lawn mower, 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 120 parts  |

Washer JA-35950-0
#40

Figure 1 diagram

Washer

Part #JA-35950-0

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

Nut JA-44470-8
Nut

Part #JA-44470-8

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

Rear Co JA-99430-8
#23

Figure 1 diagram

Rear co

Part #JA-99430-8

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

Clamp JA-99541-0
#25

Figure 2-handle assembly diagram

Clamp

Part #JA-99541-0

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

Belt JA-39016-5
#49

Figure 1 diagram

Belt

Part #JA-39016-5

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

Pawl JA-31365-9
#38

Figure 1 diagram

Pawl

Part #JA-31365-9

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

Gasket JA-37594-8
#20

Figure 3-gear reducer assembly (self propelled only) diagram

Gasket

Part #JA-37594-8

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

Spring JA-37574-8
#48

Figure 1 diagram

Spring

Part #JA-37574-8

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

Actuator JA-99190-7
#8

Figure 2-handle assembly diagram

Actuator

Part #JA-99190-7

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

Vent JA-99041-5
#26

Figure 3-gear reducer assembly (self propelled only) diagram

Vent

Part #JA-99041-5

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

Effective articles & videos to help repair your walk-behind mowers

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

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

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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