Onan
Lawn & Garden Engine

Model # 6CCK-331M/1887E Official Onan gas engine & generator

Here are the diagrams and repair parts for Official Onan 6CCK-331M-1887E gas engine & generator, 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 321 parts  |

Nut, Bearing Plate Stud 110A445
#39

Cylinder block, oil base & gear cover group diagram

Nut, bearing plate stud

Part #110A445

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

Bearing, Governor Shaft Lower 510-8
#7

Cylinder block, oil base & gear cover group diagram

Bearing, governor shaft lower

Part #510-8

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

For Carburetor 142a386 (container In Repair Kit #142k371 And #142k387.) (d) 142-356
#9B

Carburetor parts group diagram

For carburetor 142a386 (container in repair kit #142k371 and #142k387.) (d)

Part #142-356

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

Bearing, Camshaft - Rear 101A50
#35

Cylinder block, oil base & gear cover group diagram

Bearing, camshaft - rear

Part #101A50

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

Cable, Spark Plug - Left Hand - 23" (#1 Cylinder) 167A1288
#13

Ignition group diagram

Cable, spark plug - left hand - 23" (#1 cylinder)

Part #167A1288

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

Valve And Cage (contained In Repair Kit #149k526) 149-96
#4

Fuel pump parts group diagram

Valve and cage (contained in repair kit #149k526)

Part #149-96

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

Armature Assembly - Includes Blower And Bearing (30593) 201A807
#5A

Generator group diagram

Armature assembly - includes blower and bearing (30593)

Part #201A807

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

Washer, Copper - Valve Compartment Cover 526-63
Washer, copper - valve compartment cover

Part #526-63

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

Gauge, Oil Pressure 193-5
#5

Housing,stop button,grnd strap & pressure gauge group diagram

Gauge, oil pressure

Part #193-5

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

Lead, Coil To Ground - 4" (d) 336A530
#20A

Ignition group diagram

Lead, coil to ground - 4" (d)

Part #336A530

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

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Main causes: dirty carburetor, stale fuel…

Main causes: punctured tire, damaged rim…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Repair guides for gas snowblowers

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

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

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

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.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…