Yard Machines 21A-120R000 Operator'S Manual Download

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182059

Air Cleaner/Muffler Cover Assembly
(includes 2 & 41)

180350

Air Cleaner Filter

180351

Carburetor Mounting Screw
Assembly

180226

Wavey Washer

182160

Choke Lever Assembly (includes 6)

182161

Choke Knob and Screw

182162

Choke Lever and Plate (includes 5)

182062

Carburetor Assembly W/Limiter
Caps (includes 9 & 21)

610675

Carburetor Gasket

10.

181860

Carb Mount Screw

11.

181801

Primer and Hose Assembly

12.

182063

Carb Mount Assembly (includes 10)

13.

684451

Reed Assembly

14.

182790

Power Shaft Assembly

15.

612115

Carburetor Mount Gasket

16.

182791

Crank Case Service Assembly
(includes 10, 14 & 24)

17.

612134

Rear Mounting Pad

18.

180046

Fuel Tank Assembly
(includes 19-21)

19.

181559

Fuel Cap Assembly

20.

181168

Fuel Return Line

21.

682039

Fuel Line Assembly

22.

145308

Front Mounting Pad

23.

683065

Shroud Assembly

24.

181861

Shroud Screw

25.

182064

Shroud Extension and Stand

26.

182736

Flywheel Assembly

27.

181065

Spacer

28.

181597

Recoil Pulley Assembly

29.

613102

Recoil Spring

30.

181441

Pulley Retainer Assembly

31.

611061

Rope Guide

32.

180317

Fuel Tank Guard Assembly

33.

181079

Pull Handle

34.

613103

Rope

35.

181912

Housing Screw

182776

Starter Housing Assembly
(includes items 28-31, 33-35)

182368

Clutch Washer

182369

Clutch Rotor Assembly

153592

Clutch Drum Assembly

180098

Clutch Cover Assembly
(includes 41)

181345

Clutch Cover Screw

153597

Upper Clamp Assembly

181937

Module Assembly

181580

Wire Lead

610311

Spark Plug

182065

Exhaust Gasket

182174

Muffler Assembly (includes 46 & 48)

182464

Muffler Mounting Bolt Assembly

181622

Cylinder Assembly
(includes 51 & 52)

684449

Piston and Rod Assembly

610674

Cylinder Gasket

182723

Cylinder Bolt

180011

Engine Gasket Kit

180602

O.E.M. Carburetor Repair Kit
(Walbro)

180090

O.E.M. Carburetor Repair Kit (Zama)

181069

Gasket-Diaphragm Repair Kit
(Walbro)

180091

Gasket-Diaphragm Repair Kit
(Zama)

180530

Piston Ring

182792

Short Block Assembly
(includes 45, 49-52)

181501

Starter Housing Screw Set

181873

Carburetor Limiter Cap Set (Walbro)

181562

Carburetor Limiter Cap Set (Zama)

610309

Crankcase Seal

181599

Clutch Springs (Qty. 2)

not shown

Part No.

Part Description

Ref.

No.

Part No.

Part Description

Ref.

No.

MODEL 21A-120R000

Summary of Contents for 21A-120R000

Page 1: ...r state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the Californi...

Page 2: ...nt or an authorized dealer You can locate the model number by standing in the operating position behind the unit and looking on the left side of the engine next to the On Off Stop Control Switch A sam...

Page 3: ...nside a closed room or building Breathing exhaust fumes can kill Operate this unit only in a well ventilated area outdoors Wear safety glasses or goggles that are marked as meeting ANSI Z87 1 standard...

Page 4: ...ard replace faulty muffler and spark arrestor keep the engine and muffler free from grass leaves excessive grease or carbon build up Never store the unit with fuel in the tank inside a building where...

Page 5: ...IVATOR SETTING UP YOUR CULTIVATOR Installing The Wheel Bracket Assembly WARNING To avoid injury from the tines wear heavy gloves and a long sleeve shirt when installing the wheel bracket assembly 1 Wi...

Page 6: ...ion the two 2 handlebar clamps with one on each side near the top of the handlebar Swing the handlebar up until it sets to the outside of the two mounting brackets on the engine See Figure 6 NOTE Posi...

Page 7: ...e of the trigger See Figure 11 4 Release the throttle trigger and guide the cable up into the slot of the trigger housing 5 Push the throttle cable housing into the trigger housing until it snaps into...

Page 8: ...ontrols the engine speed See Figure 14 On Off Stop Control The On Off Stop control switch is located on the left side mounting bracket It is used to turn the unit on and off The switch must be in the...

Page 9: ...maximum reliability pay strict attention to the oil and fuel mixing instructions on the 2 cycle oil container Using improperly mixed fuel can severely damage the engine Thoroughly mix the proper rati...

Page 10: ...as though it wants to run normally 2 to 5 pulls NOTE Squeeze the throttle control until the engine has started and warmed up 6 Place the choke lever in the PARTIAL choke position B See Figure 18 NOTE...

Page 11: ...grips firmly slowly lower the cultivator until the tines make contact with the ground See Figure 20 5 As cultivating action begins pull back on the cultivator so that the tines can penetrate the grou...

Page 12: ...TIVATOR in Section 6 Adjusting Idle Speed WARNING This unit will need to be running during idle speed adjustment Wear protective clothing and observe all safety instructions to prevent serious persona...

Page 13: ...iver 3 Pull the cover from the engine Do not force 4 Remove the air filter from behind the air filter muffler cover See Figure 24 4 Wash the filter in detergent and water Rinse the filter thoroughly S...

Page 14: ...the cylinder 4 Install a correctly gapped spark plug in the cylin der head Tighten by turning the 5 8 inch socket clockwise until snug If using a torque wrench torque to 110 120 in lb 12 3 13 5 N m Do...

Page 15: ...rized use or damage Store the unit in a dry well ventilated area Do not store next to corrosive materials such a fertilizer Store the unit out of the reach of children ENGINE WILL NOT START ENGINE WIL...

Page 16: ...41 1 2 3 8 10 12 3 4 5 7 6 11 15 16 50 51 14 13 20 52 22 17 18 19 21 37 38 39 40 42 41 32 33 26 27 28 30 41 34 36 35 30 25 44 29 43 49 45 46 47 48 24 31 23 9 SECTION 9 PARTS LIST FOR MODEL 21A 120R00...

Page 17: ...ainer Assembly 31 611061 Rope Guide 32 180317 Fuel Tank Guard Assembly 33 181079 Pull Handle 34 613103 Rope 35 181912 Housing Screw 36 182776 Starter Housing Assembly includes items 28 31 33 35 37 182...

Page 18: ...18 1 1 3 2 4 11 12 13 10 17 18 19 20 22 25 21 26 22 28 27 27 29 30 24 23 24 28 29 14 15 16 9 6 7 8 6 9 5 MODEL 21A 120R000...

Page 19: ...ndle Clamp 15 181815 Nut 16 145569 Anti Rotation Screw 17 181575 Grip 18 180943 Drive Shaft Housing Assembly 19 181577 Flexible Drive Shaft 20 181578 Retainer Sleeve includes 21 21 180288 Sleeve Retai...

Page 20: ...set forth below is given by MTD SOUTHWEST INC MTD with respect with new merchandise purchased and used in the United States its possessions and territories MTD warrants this product against defects in...

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Yard Machines 21A-120R000, Operator'S Manual

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