18
CRAFTSMAN R
O
T
A
R
Y
LA
WN MO
WER - - MODEL NUMBER 944.363391
Page 1: ...3391 CAUTION Read and follow all Safety Rules and Instructions before operating this equipment Owner s Manual ROTARY LAWN MOWER 6 5 Horsepower Power Propelled 21 Rear Discharge Sears Canada Inc Toronto Ontario M5B 2B8 ...
Page 2: ...ing up transporting adjusting or making repairs CAUTION Muffler and other engine parts become extremely hot during operation and remain hot after engine has stopped To avoid severe burns on contact stay away from these areas LIMITED TWO YEAR WARRANTY ON CRAFTSMAN POWER MOWER For Two years from date of purchase Sears Canada Inc will repair or replace at Sears option free of charge parts which are d...
Page 3: ...rass Reduced footing could cause slipping III CHILDREN Tragic accidents can occur if the operator is notalerttothepresenceofchildren Children are often attracted to the machine and the mowing activity Never assume that children will remain where you last saw them Keep children out of the trimming area and under the watchful care of another responsible adult Be alert and turn machine off if childre...
Page 4: ...ve protective padding raise up per handle section into place on lower handle and tighten both handle knobs 3 Remove handle padding holding opera tor presence control bar to upper handle Your lawn mower handle can be adjusted for your mowing comfort Refer to AD JUST HANDLE in the Service and Adjust ments section of this manual TO ASSEMBLE GRASS CATCHER 1 Put grass catcher frame into grass bag with ...
Page 5: ...afety standards of the American National Standards Institute and the U S Consumer Product Safety Com mission The blade turns when the engine is running Operator presence control bar must be held down to the handle to start the engine Release to stop the engine Primer pumps additional fuel from the carburetor to the cylinder for use when starting a cold engine These symbols may appear on your lawn ...
Page 6: ... without self propelling NOTE If after releasing the drive control the mower will not roll backwards push the mower forward slightly to disengage drive wheels To keep drive control engaged when turning corners push down on the handle to lift the front wheels off the ground while turning lawn mower TO ADJUST CUTTING HEIGHT Raise wheels for low cut and lower wheels for high cut adjust cutting height...
Page 7: ...s called gasohol or using ethanol or metha nol can attract moisture which leads to separation and formation of acids during storage Acidic gas can damage the fuel system of an engine while in storage To avoid engine problems the fuel system should be emptied before storage of 30 days or longer Empty the gas tank start the engine and let it run until the fuel lines and carburetor are empty Use fres...
Page 8: ...kwise direction with a small overlap to collect the clippings on the next pass Pores in cloth grass catchers can be come filled with dirt and dust with use and catchers will collect less grass To prevent this regularly hose catcher off with water and let dry before using Keep top of engine around starter clear and clean of grass clippings and chaff This will help engine air flow and extend engine ...
Page 9: ...ction of this manual At least once a year replace the spark plug clean or replace air filter element and check blade for wear A new spark plug and clean new air filter element assure proper air fuel mixture and help your engine run better and last longer Follow the maintenance schedule in this manual BEFORE EACH USE Check engine oil level Check for loose fasteners LUBRICATION Keep unit well lubric...
Page 10: ...washer NOTE Remove the blade adapter and check the key inside hub of blade adapter The key must be in good condition to work properly Replace adapter if damaged TO REPLACE BLADE 1 Position the blade adapter on the en gine crankshaft Be sure key in adapter and crankshaft keyway are aligned 2 Position blade on the blade adapter aligning the two 2 holes in the blade with the raised lugs on the adapte...
Page 11: ... clean surface 3 Tip lawn mower on its side as shown and drain oil into a suitable container Rock lawn mower back and forth to re move any oil trapped inside of engine TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE SAE VISCOSITY GRADES 20 0 30 40 80 100 30 20 0 20 30 40 F C 32 10 10 60 5W 30 SAE 30 Container NOTE Although multi viscosity oils 5W30 10W30 etc improve starting in cold weather t...
Page 12: ...y air filter Replace the air filter cartridge every 100 hours of operation or every season which ever occurs first Service air cleaner more often under dusty conditions TO CLEAN AIR FILTER 1 Loosen screw and tilt cover to remove 2 Carefully remove cartridge 3 Clean by gently tapping on a flat sur face If very dirty replace cartridge CAUTION Petroleum solvents such as kerosene are not to be used to...
Page 13: ...wer handle are off center for raising or lowering the handle 1 Remove upper handle and wire tie s securing cable s to lower handle 2 Remove hairpin cotters from lower handle bracket mounting pin 3 Squeeze lower handle in to remove it from mounting pins 4 Turn lower handle over to raise or lower handle 5 Squeeze lower handle in and position holes onto mounting pins on handle bracket 6 Reassemble up...
Page 14: ...age the control cables When setting up your handle from the storage position the lower handle will automatically lock into the mowing posi tion Lower handle SQUEEZE TO FOLD ENGINE FUEL SYSTEM IMPORTANT It is important to prevent gum deposits from forming in essential fuel system parts such as carburetor fuel filter fuel hose or tank during storage Also alcohol blended fuels called gasohol or using...
Page 15: ...k 3 Stale fuel 3 Drain fuel tank and refill tank with fresh clean gasoline 4 Water in fuel 4 Drain fuel tank and refill tank with fresh clean gasoline 5 Spark plug wire is 5 Connect wire to plug disconnected 6 Bad spark plug 6 Replace spark plug 7 Loose blade or broken 7 Tighten blade bolt or blade adapter replace blade adapter 8 Control bar in released 8 Depress control bar to position handle 9 C...
Page 16: ...or other qualified service center 3 Blade adapter broken 3 Replace blade adapter 4 Blade dragging in grass 4 Move lawn mower to cut grass or to hard surface Grass catcher 1 Cutting height too low 1 Raise cutting height not filling 2 Lift on blade worn off 2 Replace blade If so equipped 3 Catcher not venting air 3 Clean grass catcher Hard to push 1 Grass is too high or wheel 1 Raise cutting height ...
Page 17: ...6 Case Upper 3 183499 Gear 27 Teeth 6 187527 Shaft Input 7 187528 Spacer 9 183505 Wire Formed 10 183506 Bearing Ball 12 183508 Seal Output Shaft 13 183509 Washer 15 183511 Bushing 16 187529 Shaft Output 17 183513 Screw 18 183514 Seal Input Shaft NOTE Use Dow Corning 709 to reseal Gear Case Halves NOTE All component dimensions given in U S inches 1 inch 25 4 mm ...
Page 18: ...18 CRAFTSMAN ROTARY LAWN MOWER MODEL NUMBER 944 363391 ...
Page 19: ...nglish 187652 Owner s Manual French NOTE All component dimensions given in U S inches 1 inch 25 4 mm 1 185508X479 Upper Handle 2 151721X479 Lower Handle 3 182815 Control Bar 4 182755 Engine Zone Control Cable 5 131959 Handle Bolt 6 181254 Handle Knob 7 51793 Hairpin Cotter 8 66426 Wire Tie 9 180479 Rear Door Kit Includes Key Numbers 16 and 17 10 128415 Pop Rivet 11 175069X479 Support Bracket LH 12...
Page 20: ...20 CRAFTSMAN ROTARY LAWN MOWER MODEL NUMBER 944 363392 ...
Page 21: ...lector Knob 19 187014 Grassbag Assembly 28 178843 Drive Cover 31 132010 Hex Flange Nut 32 169742 Drive Pulley 35 180915 Kit Wheel Adjuster LH includes Knob and Bearing 36 187212 Gear Case Assembly See Breakdown 38 73800400 Locknut 1 4 20 40 182226 Spring 41 180914 Kit Wheel Adjuster RH includes Knob and Bearing 49 175103 Pinion Gear 50 175102 Retainer Drive RH 51 175098 Pawl 52 188291 Spring Torsi...
Page 22: ...TTON 4 CYCLE ENGINE 307 13 337 635 383 3 306 11 9 10 54 50 51 7 5 584 585 684 287 525 524 842 1019 LABEL KIT 1 8 847 523 27 27 32 26 28 25 29 40 40 35 36 33 45 34 45 24 741 16 146 20 12 22 46 43 15 4 32A 718 868 2 871 870 869 48 922 621 923 745 ...
Page 23: ...3 617 276 130 365 125 134 975 133 117 163 968 445 425 443 163 529 159 970 966 976 188 104 137 276 127 633 121 CARBURETOR OVERHAUL KIT 617 137 276 633 617 977 CARBURETOR GASKET SET 163 163 134 81 613 300 222 276 118 97 668 358 ENGINE GASKET SET 12 3 20 51 585 7 163 524 668 842 617 356 ...
Page 24: ...de 4 493279 Sump Engine 5 691160 Head Cylinder 7 692249 Gasket Cylinder Head 8 695250 Breather Assembly 9 696125 Gasket Breather 10 691125 Screw Breather Assembly 11 691260 Tube Breather 12 692232 Gasket Crankcase KEY PART NO NO DESCRIPTION 13 690912 Screw Cylinder Head 15 691680 Plug Oil Drain 16 691450 Crankshaft 20 399781 Seal Oil PTO Side 22 691092 Screw Engine Sump 23 692315 Flywheel 24 22269...
Page 25: ...63 19069 Flywheel Puller 365 692524 Screw Carburetor 383 89838 Wrench Spark Plug 404 690272 Washer Governor Crank 425 690670 Screw Air Cleaner Cover KEY PART NO NO DESCRIPTION 443 692523 Screw Air Cleaner Primer Base 445 491588 Filter Air Cleaner Cartridge 455 691219 Cup Flywheel 456 692299 Plate Pawl Friction 459 281505 Pawl Ratchet 505 231082 Nut Governor Control Lever 523 495264 Dipstick 524 69...
Page 26: ...26 SERVICE NOTES ...
Page 27: ...27 SERVICE NOTES ...
Page 28: ...187651 Rev 1 06 26 03 BY Printed in U S A ...