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MTD 21A-120R000 - page 1
Operator’ s Manual Fr ont Tine Cultivator Model 21A-120R000 IMPORT ANT : Read safety rules and instructions carefully befor e operating equipment. Wa r ning: This unit is equipped with an inter nal combustion engine and should not be used on or near any unimproved forest- covered, brush-cover ed or grass-covered land unless the engine’ s exhaus ...
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MTD 21A-120R000 - page 2
2 T ABLE OF CONTENTS Content Page Important Safe Operation Practices .................................................................... 3, 4 Assembling Y our Cultivator .................................................................................. 5 Know Y our Cultivator ........................................................................ ...
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MTD 21A-120R000 - page 3
3 SECTION 1: IMPOR T ANT SAFE OPERA TION PRACTICES This Symbol Points Out Important Safety Information Which, If Not Followed, Could Endanger The Personal Safety And/or Property Of Y ourself And Others. Read And Follow All Instructions In This Manual Before Attempting T o Operate Y our Cultivator . Failure T o Comply With These Instructions May Res ...
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MTD 21A-120R000 - page 4
4 SERVICE • Use extreme car e in handling gasoline and other fuels. They are extr emely flammable and the vapors are explosive. • Store fuel only in containers specifically designed and approved for the storage of such materials. •A void cr eating a source of ignition for spilled fuel. Do not start the engine until fuel vapors dissipate. • ...
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MTD 21A-120R000 - page 5
Yo ur yard and gar den cultivator has been completely assembled except for the handlebar , throttle cable and wheel bracket assembly . A lar ge phillips screwdriver is needed for assembly . Removing Unit From Carton 1. Car efully unpack the contents and insure that nothing is damaged. Unwrap the throttle cable without bending or kinking it. W ARNIN ...
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MTD 21A-120R000 - page 6
6 Installing The Handlebar 1. Position the mounting brackets by r otating them until the foot on the bracket rests against the engine. See Figure 4. 2. Place the handlebar between the bottom and middle clamp pieces. See Figure 5. 3. While holding the thr ee pieces together , position the handlebar underneath the shaft tube and align with the top cl ...
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MTD 21A-120R000 - page 7
7 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Throttle Wir e Hole Throttle Wire Slot Thr ottle Cable Assembly 1. W rap the throttle wir e once around the handlebar . See Figure 9. 2. Depr ess the throttle trigger and locate hole for the throttle wir e. See Figure 10. 3. With the thr ottle trigger depressed, place the bar- r el end of the thr o ...
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MTD 21A-120R000 - page 8
8 Figure 14 SECTION 3: KNOW Y OUR CUL TIV A TOR Tines Primer Bulb Choke Control Air Filter/ Muffler Cover Spark Plug Muffler On/Off Stop Control STOP/OFF (O) ST ART/ON (I) Throttle Control Wheel Bracket Assembly Shaft T ube Grip Read this operator’ s manual and safety rules befor e operating your cultivator . Compare illustrations in Figure 14 wi ...
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MTD 21A-120R000 - page 9
9 SECTION 4: OPERA TING Y OUR CUL TIV A TOR Oil and Gas Mixing Instructions Old and/or improperly mixed fuel ar e the main r easons for the unit not running pr operly . Be sur e to use fresh, clean unleaded fuel. Follow the instructions carefully for the pr oper fuel/oil mixture. Definition of Blended Fuels T oday's fuels are often a blend of ...
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MTD 21A-120R000 - page 10
10 Choke Control Full Choke Position (A) Starter Rope Throttle Control Primer Bulb Starting Engine W ARNING: A void accidental starting. Be in the starting position when pulling the starter rope. See Figur e 19. The operator and unit must be in a stable position while starting to avoid serious personal injury . W ARNING: Operate this unit only in a ...
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MTD 21A-120R000 - page 11
11 Shaft T ube Grip Figure 20 Figure 20 Tr ansporting the Unit W ARNING: T o pr event serious personal injury , always stop the engine when operation is delayed or when transport- ing the unit from one location to another . 1. Stop the engine. 2. Slide the wheel bracket assembly all the way down. 3. Tilt the unit back until the tines clear the gr o ...
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MTD 21A-120R000 - page 12
12 SECTION 5: MAKING ADJUSTMENTS W ARNING: T o pr event serious injury , never do adjustments, maintenance or r epairs with unit running. Always do maintenance and repairs on a cool unit. Disconnect spark plug wire to ensur e the unit will not start. Wheel Adjustments To adjust the wheel height, refer to OPERA TING YOUR CUL TIV A TOR in Section 4. ...
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MTD 21A-120R000 - page 13
W ARNING: T o avoid serious personal injury , always tur n the unit off, allow it to cool and disconnect the spark plug before you clean or perform any maintenance on it. Lubrication Gearbox-The gearbox is pre-lubricated and sealed at the factory . Tr ouble Shooting Refer to the trouble shooting chart for mor e informa- tion. Engine IMPORT ANT : Ne ...
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MTD 21A-120R000 - page 14
14 7. Replace the air filter inside the air filter/muf fler cover . See Figure 24. NOTE: Operating the unit without the air filter and air filter/muffler cover assembly , will VOID the warranty . 8. Place the air filter/muf fler cover over the back of the carburetor and muf fler . NOTE: The choke control must be in the P ARTIAL choke position (B) t ...
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MTD 21A-120R000 - page 15
15 SECTION 7: OFF SEASON STORAGE SECTION 8: TROUBLE SHOOTING GUIDE If the unit will be stored for an extended time, 1. Drain all fuel fr om the fuel tank into a container . Do not use fuel that has been stored for mor e than 60 days. Dispose of the old fuel in accordance to local r egulations. 2. Start the engine and allow it to run until it stalls ...
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MTD 21A-120R000 - page 16
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: P AR TS LIST FOR MODEL 21A-120R000 ...
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MTD 21A-120R000 - page 17
17 1. 182059 Air Cleaner/Muffler Cover Assembly (includes 2 & 41) 2. 180350 Air Cleaner Filter 3. 180351 Carburetor Mounting Scr ew Assembly 4. 180226 W avey W asher 5. 182160 Choke Lever Assembly (includes 6) 6. 182161 Choke Knob and Screw 7. 182162 Choke Lever and Plate (includes 5) 8. 182062 Carburetor Assembly W/Limiter Caps (includes 9 &am ...
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MTD 21A-120R000 - 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 ...
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MTD 21A-120R000 - page 19
19 1 181573 Throttle T rigger and Cable Assembly 2 180942 Handle Bar w/Clamp Assemblies (includes 3-5) 3 612831 Grip 4 612021 T ube Closur e 5 181503 Clamp Assembly 6 147501 Engine Bracket Mounting Hardwar e 7 181574 Engine Mount Bracket, R.H. 8 181504 Engine Mount Bracket, L.H. 9 682035 Switch Assembly 10 683295 Handle Bracket Assembly (includes 1 ...
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MTD 21A-120R000 - page 20
MANUF ACTURER’S LIMITED W ARRANTY FOR: No implied warranty , including any implied warranty of merchantability or fitness for a particular purpose, applies after the applicable period of express written warranty above as to the parts as identified. No other express warranty or guaranty , whether written or oral, except as mentioned above, given b ...
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