Craftsman 247.77588O Ifnecessary,replacepaper filterdo not attempt, Lubrication, Muffler

Page 13

Ifnecessary,replacepaper filter(do not attempt

to clean). Installnew filter on base.

Slide pre-cleaner over filter. Install cover and wing nut. Tightenwing nut securely.

Clean Engine

Clean engine periodically. Remove dirt and debris with a clothor brush.

Frequently remove grass clippings, dirt and debris from cooling fins,air intake screen and levers and linkage. See figure 14. This will help ensure adequate cooling and correct engine speed.

Clean cooling

Figure 14

Yearly or every 25 hours, whicheveroccursfirst, remove the blower housing and clean the areas shownin figure 14 to avoidoverspeeding, overheatingand engine damage. Clean more often if necessary.

NOTE: Cleaning with a forceful spray of water is not recommended as water could contaminatethe fuel

system.

WARNING:areasnearby Temperaturemay exceed 150of muffler° F(65°C)and.

Avoid these areas,

Spark Plug

Clean the spark plug and reset the gap to .030" at least once a season or every 50 hours of operation. See figure 15. Spark plug replacement is recommended at the start of each season. Refer to engine parts list for correct spark plug type.

'Feeler (

Plug

Figure 15

NOTE: Do not sandblast spark plug. Spark plug

should be cleaned by scrapingor wire brushing and washing witha commercialsolvent.

Muffler

A WARNING: Do not operate the chipper- shredder without a muffler, or tamper with the exhaust system. Damaged mufflersor spark arresterscould create a fire hazard.

Inspect periodically, and replace if necessary. If your engine is equipped with a spark arrester screen assembly, remove every 50 hours for cleaning and inspection. Replace if damaged.

&WARNING: Always stop engine, disconnect spark plug wire, and move it

away from spark plug before performingany adjustmentsor repairs.

LUBRICATION

Lubricate the pivot points on the release bar, hopper assembly, chute deflector and chipper chute once a season using a light oil. See figure 16

Figure 16: Lubrication Chart

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Contents Craftsman Engine Product SpecificationTow HitchKit To cause cancer, birthdefects or other reproductiveharm General OperationImpellertocometoacompletestopTheimpeller ServiceChildren Your ResponsibilityChipperChute HopperLoose Parts Unpacking from CartonSpacer-J-Hinge Attaching Hopper AssemblyAttaching the Catcher BAG Attaching the Chipper ChuteOperating Controls Meets Ansi Safety StandardsStarting Engine GAS and OIL FILL-UPOil Packed with unit Add oil if necessary. Replace dipstickTo lowerthe hopper assembly, use one handto Using Your CHIPPER-SHREDDERStopping Engine Engine Maintenance CleaningChangesbecomesstdngy,etc. or if the rate at which General RecommendationsCustomer Responsibilities Lubrication Ifnecessary,replacepaper filterdo not attemptAvoid these areas Spark Plug MufflerPage Sharpening or Replacing Blades Removing the Flail ScreenHex Nut Washer Hand Knobs Chipper BladesAdjusting Carburetor Disconnectsparkplug wire and move it awayTires Engine SpeedEngine CHIPPER-SHREDDEROther SeasonContactyourSEARS service center Serviceaircleaner Loss of power operationerraticEnginefailstostart Fueltankempty,orstalefuelModel Sears Craftsman 8.5 H.P. CHIPPER-SHREDDERKey PartNo No 53 714-0149B 57 781-0510B 770-1228A 11480 681-0118 681-0144 710-0542757 RPM Low 21132 Carburetor ¢p-.4 Sears