Poulan 178108 owner manual Engine

Page 16

CUSTOMER RESPONSIBILITIES

TO CLEAN BATTERY AND TERMINALS

Corrosion and dirt on the battery and terminals can cause the battery to “leak” power.

Open battery box door.

Disconnect BLACK battery cable first then RED battery cable and remove battery from tractor.

Rinse the battery with plain water and dry.

Clean terminals and battery cable ends with wire brush until bright.

Coat terminals with grease or petroleum jelly.

Reinstall battery (See “REPLACING BATTERY” in the Service and Adjustment section of this manual).

V-BELTS

Check V-belts for deterioration and wear after 100 hours and replace if necessary. The belts are not adjustable. Replace belts if they begin to slip from wear.

TRANSAXLE COOLING

Keep transaxle free from build-up of dirt and chaff which can restrict cooling.

ENGINE

LUBRICATION

Only use high quality detergent oil rated with API service classification SF-SJ. Select the oil’s SAE viscosity grade according to your expected operating temperature.

SAE VISCOSITY GRADES

 

 

 

 

 

 

 

 

 

 

 

10W30

 

 

 

 

 

 

 

 

5W-30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

°F

-20°

 

 

30° 32° 40°

 

 

60°

 

80°

 

100°

°C

-30°

-20°

-10°

10°

20°

30°

40°

TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE

FIG. 13

NOTE: Although multi-viscosity oils (5W30, 10W30 etc.) improve starting in cold weather, these multi-viscosity oils will result in increased oil consumption when used above 32°F. Check your engine oil level more frequently to avoid possible engine damage from running low on oil.

Change the oil after every 50 hours of operation or at least once a year if the tractor is not used for 50 hours in one year.

Check the crankcase oil level before starting the engine and after each eight (8) hours of operation. Tighten oil fill cap/ dipstick securely each time you check the oil level.

TO CHANGE ENGINE OIL (See Fig. 14)

Determine temperature range expected before oil change. All oil must meet API service classification SF-SJ.

Be sure tractor is on level surface.

Oil will drain more freely when warm.

Catch oil in a suitable container.

Remove oil fill cap/dipstick. Be careful not to allow dirt to enter the engine when changing oil.

Remove cap from bottom fitting of drain valve and install the drain tube onto the fitting.

Unlock drain valve by pushing inward and turning coun- terclockwise.

To open, pull out on the drain valve.

After oil has drained completely, close and lock the drain valve by pushing inward and turning clockwise until the pin is in the locked position as shown.

Remove the drain tube and replace the cap onto to the bottom fitting of the drain valve.

Refill engine with oil through oil fill dipstick tube. Pour slowly. Do not overfill. For approximate capacity see “PRODUCT SPECIFICATIONS” section of this manual.

Use gauge on oil fill cap/dipstick for checking level. Insert dipstick into the tube and rest the oil fill cap on the tube. Do not thread the cap onto the tube when taking reading. Keep oil at “FULL” line on dipstick. Tighten cap onto the tube securely when finished.

 

OIL DRAIN VALVE

CLOSED

 

AND

 

LOCKED

 

POSITION

DRAIN

 

TUBE

CAP

 

FIG. 14

CLEAN AIR SCREEN

Air screen must be kept free of dirt and chaff to prevent engine damage from overheating. Clean with a wire brush or compressed air to remove dirt and stubborn dried gum fibers.

CLEAN AIR INTAKE/COOLING AREAS

To insure proper cooling, make sure the grass screen, cooling fins, and other external surfaces of the engine are kept clean at all times.

Every 100 hours of operation (more often under extremely dusty, dirty conditions), remove the blower housing and other cooling shrouds. Clean the cooling fins and external surfaces as necessary. Make sure the cooling shrouds are reinstalled.

NOTE: Operating the engine with a blocked grass screen, dirty or plugged cooling fins, and/or cooling shrouds removed will cause engine damage due to overheating.

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Contents PRK17G42STB Safety Rules Safe Operation Practices for Ride-On MowersTable of Contents Product Specifications Customer ResponsibilitiesContents of Hardware Pack Tools Required for Assembly HOW to SET UP Your TractorTo Remove Tractor from Carton Before Removing Tractor from SkidInstall Seat See Fig To SET UP Your Mower for Mulching To Convert to Bagging or DischargingCheck Tire Pressure Check Deck LevelnessBattery Reverse Forward Fast See Safety Rules SectionEngine on Engine OFF OIL Pressure Lights on LightKnow Your Tractor HOW to USE Your Tractor Before Starting the Engine To TransportTowing Carts and Other Attachments ADD GasolineTo Start Engine See Fig Mowing TipsMulching Mowing Tips General Recommendations Lubrication ChartBefore Each USE Tractor Engine Cleaning MufflerSpark Plugs Engine OIL FilterTo Install Mower See Fig To Remove Mower See FigTo Level Mower Housing FRONT-TO-BACK Adjustment See FigsTo Adjust Brake See Fig Belt InstallationTo Replace Mower Blade Drive Belt See Fig To Replace Motion Drive Belt See FigTransaxle Gear Shift Lever Neutral Adjustment See Fig To Adjust Steering Wheel AlignmentTo Start Engine with a Weak Battery See Fig Front Wheel TOE-IN/CAMBERReplacing Battery See Figs To Remove Hood and Grill Assembly See FigTo Replace Headlight Bulb Interlocks and RelaysTo Adjust Throttle Control Cable See Fig To Adjust CarburetorOther Fuel SystemEngine OIL CylindersTroubleshooting Points OFF Schematic Tractor - Model Number PRK17G42STBElectrical 2122KEY Part NO. NO.DESCRIPTION 142 174619 Chassis and Enclosures176554 Drive 175410 17576573900600 175578Steering Assembly 175121 177876175146 175118Seat Assembly Decals Wheels and Tires178108 178109Engine 170805 Control Th/ch Flag Mower Deck 174493 Mower Lift 159460 Wire Asm Inner/Sprg W/plunger LT Service Notes Limited Warranty Policy Suggested Guide for Sighting Slopes for Safe Operation Sighting GuideParts and Service