Craftsman 247.77588O owner manual Customer Responsibilities

Page 12

CUSTOMER RESPONSIBILITIES

 

 

 

 

 

 

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MAINTENANCE

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Oil pivot points

 

 

 

 

 

 

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Clean shredder

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Check engine oil

 

 

 

 

 

 

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Change engine oil

 

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Service air cleaner

 

 

 

 

 

 

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Clean engine

 

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Reset spark plug

 

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Clean muffler

 

 

 

 

 

 

operatingtemperature. Refer to page 9 ofthis

manualfor viscositychart.

The four-cycleengine of your chipper-shredder

willnormallyconsumesome oil. Therefore, check engine oil level regularly approximately

avery five hours of operationand before each usage.

Stop engine and wait several minutesbefore checkingoil level. With engine on level ground, the oil mustbe to FULL mark on dipstick.

Change engine oilafter the first five hours of operation,and every twenty-fivehours thereafter.

To Drain Oil

Drain oilwhile engine is warm. Followthe instructionsgiven below.

Remove oil drain plug. Catch oil in a suitable container.

When engine isdrained of all oil, replace drain plug securely.

Refill with fresh oil. Refer to GAS AND OIL FILL-UP section.

Replace dipstick.

Air Cleaner

The air cleaner prevents damaging dirt, dust,etc., from enteringthe carburetorand being forced into the engine and is importantto engine life and performance.The air cleaner consistsof a pre- cleaner or foam filter, and a paper filter.

Never run the engine withoutair cleaner completely assembled.

To Service Air Cleaner:

1.Service pre-cleaner after every 25 hours of use, or at least once a season.

2.Service filterevery 100 hours of use, or at least once a season.

3.Service pre-cleanerand filtermore often under dusty conditions.

Remove wing nut and cover.

Slide pre-cleaner offfilter. Clean the insideof base and cover thoroughly.

Clean pre-cleanaras follows:(See figure 13.) a. Wash in water and detergentsolution,and

squeeze(donottwist)untilalldirtisramoved.

b.Rinse thoroughlyin clear water.

c.Wrap ina cleanclothand squeeze (donot twist) untilcompletelydry,or allowtoair dry.

d.Saturatewithengineoiland squeeze(don't twist) to distributeoiland removeexcessoil.

Foam Filter --

Wing Nut--

 

L BasePaperFilter

Figure 13

NOTE: If the pre-cleaner is torn or damaged in any way, replace it.

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Contents Craftsman Product Specification EngineTow HitchKit General Operation To cause cancer, birthdefects or other reproductiveharmService ImpellertocometoacompletestopTheimpellerChildren Your ResponsibilityHopper ChipperChuteLoose Parts Unpacking from CartonAttaching Hopper Assembly Spacer-J-HingeAttaching the Chipper Chute Attaching the Catcher BAGMeets Ansi Safety Standards Operating ControlsGAS and OIL FILL-UP Starting EngineOil Packed with unit Add oil if necessary. Replace dipstickUsing Your CHIPPER-SHREDDER To lowerthe hopper assembly, use one handtoStopping Engine Cleaning Engine MaintenanceChangesbecomesstdngy,etc. or if the rate at which General RecommendationsCustomer Responsibilities Ifnecessary,replacepaper filterdo not attempt LubricationAvoid these areas Spark Plug MufflerPage Removing the Flail Screen Sharpening or Replacing BladesHex Nut Washer Hand Knobs Chipper BladesDisconnectsparkplug wire and move it away Adjusting CarburetorTires Engine SpeedCHIPPER-SHREDDER EngineOther SeasonLoss of power operationerratic ContactyourSEARS service center ServiceaircleanerEnginefailstostart Fueltankempty,orstalefuelSears Craftsman 8.5 H.P. CHIPPER-SHREDDER Model770-1228A 11480 681-0118 681-0144 710-0542 Key PartNo No 53 714-0149B 57 781-0510B757 RPM Low 21132 Carburetor ¢p-.4 Sears