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Cub Cadet 450 Series, Operator'S Manual, Page: 7 / 20

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Cub Cadet 450 Series Operator'S Manual Download Page 7

7

3

Assembling 

Your Tiller

WARNING

Do not put your 
fingers under the  
belt cover.
Maximum tire 

pressure under any 

circumstances is 

30 p.s.i. Equal tire 

pressure should be 

maintained on both 

tires.

Figure 3

Figure 4

Figure 5

Attaching Control Rod

•  Make sure the handle assembly is in the highest 

position. Refer to Know Your Tiller section.

•  Remove hairpin clips from control rod, (rubber 

washers to remain on control rod).

•  Insert the shorter, (angled), end of the control rod 

through the indicator bracket on the shift cover and 

secure with hairpin clip that was previously removed. 

See Figure 5.

•  Insert the longer end of the control rod through the 

hole in the gear selector handle and secure with 

hairpin clip.See Figure 6. 

Final Clutch Adjustment

IMPORTANT:

 Service the engine with oil and gasoline 

before checking this adjustment. Refer to the separate 

engine manual packed with your tiller for proper fuel and 

engine oil recommendations.
Position the tiller so the front counterweight is against 

a solid object, such as a wall. With the gear selection 

lever in NEUTRAL, start the engine. Refer to the 

separate engine manual.
Standing on the right side of the tiller, examine the belt 

(inside the belt cover). It should not be turning.

WARNING: Do not put your fingers 
under the belt cover.

If the belt turns without bail engaged, 

adjust by 

unthreading the internally threaded tube at the end 

of the cable a few turns clockwise (when standing in 

operator’s position) and then retighten the nut against 

the tube.

Now move the shift lever to FORWARD position. 

Carefully engage the clutch by lifting the clutch control 

bail against the handle. The wheels should spin.
If the wheels do not spin with the unit in forward, adjust 

by unthreading the tube at the end of the cable a few 

turns counter-clockwise (when standing in operator’s 

position) and then retighten the nut against the tube.
Recheck both adjustments, and readjust as necessary.

NOTE:  

A secondary cable adjustment is available if you 

reach the point that additional adjustment is needed. 

Remove the belt cover and move the hex nuts at the 

other end of the cable towards the end of the casing. 

Then readjust the hex nuts at the handle.

Tire Pressure

The tires on your unit may be over-inflated for shipping 

purposes. Reduce the tire pressure before operating 

the unit. Recommended operating tire pressure is 

approximately 20 p.s.i. (check sidewall of tire for tire 

manufacturer’s recommended pressure).

WARNING:  Maximum tire pressure 

under any circumstances is 30 p.s.i. 

Equal tire pressure should be main-

tained on both tires.

Internally

Threaded Tube

Slot Head Screw, Nut, 

& Flat Washers

Plastic Fitting

Slot Head Screw

Flat Washers

Nut

Internally

Threaded Tube

Threaded 

Eyebolt

Clutch Control

Nut

Rubber Washer

Control Rod

Indicator Bracket

Hairpin Clip

Idler Pulley Rod

Summary of Contents for 450 Series

Page 1: ...ained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department P O Box 361131 Cleveland Ohio 44136 0...

Page 2: ... product or have any questions regarding the controls operation or maintenance of this unit you can seek help from the experts Choose from the options below 1 Visit cubcadet com Click on the Service Support menu option 2 Phone call our Dealer Locator Number at 1 877 282 8684 3 The engine manufacturer is responsible for all engine related issues with regards to performance power rating specifica ti...

Page 3: ... CHILDREN OR UNINSTRUCTED ADULTS TO OPERATE TILLER 5 SHUT OFF ENGINE BEFORE U NCLOGGING TINES OR MAKING REPAIRS 6 KEEP BYSTANDERS AWAY FROM M ACHINE 7 KEEP AWAYFROM ROTATING PARTS 8 USE EXTREME CAUTION WHEN R EVERSING OR PULLING THE M ACHINE TOWARDS YOU S32146 WARNING KEEP AWAY FROM ROTATING TINES ROTATING TINES WILL CAUSE INJURY C U T O U T DEPTH STAKE TRANSPORT 3 1 5 7 WARNING Hot surfaces can c...

Page 4: ...ury can occur when gasoline is spilled on yourself or your clothes which can ignite Wash your skin and change clothes immediately 7 Use only an approved gasoline container 8 Extinguish all cigarettes cigars pipes and other sources of ignition 9 Never fuel machine indoors 10 Never remove gas cap or add fuel while the engine is hot or running 11 Allow engine to cool at least two minutes before refue...

Page 5: ...s Check their proper operation regularly 2 Check bolts and screws for proper tightness at frequent intervals to keep the machine in safe working condition Also visually inspect machine for any damage 3 Before cleaning repairing or inspecting stop the engine and make certain the tines and all moving parts have stopped Disconnect the spark plug wire and ground it against the engine to prevent uninte...

Page 6: ...epth stake assembly Place flat washer on the hex bolt and thread T knob onto the hex bolt Tighten securely See Figure 1 Tip the tiller back down so it rests on the tines Attaching Handle Assembly Remove top two bolts and flange lock nuts from handle mounting brackets but do not remove the bottom bolt and nut See Figure 2 Place handle assembly in position between the handle mounting brackets Line u...

Page 7: ...t bail engaged adjust by unthreading the internally threaded tube at the end of the cable a few turns clockwise when standing in operator s position and then retighten the nut against the tube Now move the shift lever to FORWARD position Carefully engage the clutch by lifting the clutch control bail against the handle The wheels should spin If the wheels do not spin with the unit in forward adjust...

Page 8: ...the reverse tine drive when tilling virgin ground sod or hard soil Use the forward tine drive when cultivating or tilling soft ground NOTE If difficulty is encountered in moving the gear selection handle refer to following helpful hints To shift into forward or reverse wheel drive move tiller forward slightly then backward to allow the gears to synchronize To shift into forward wheels and tine dri...

Page 9: ...d to enrich the fuel mixture in the carburetor when starting a cold engine Primer Button If Equipped The primer button is located behind the air cleaner It is used to enrich the fuel mixture in the carburetor when starting a cold engine Depth Stake The depth stake controls the tilling depth Refer to Setting the Depth in the Operating Section Engine Controls See the separate engine manual for addit...

Page 10: ...lace the engine speed control in the START position Move choke lever to CHOKE position or if equipped push primer two 2 or three 3 times Wait about two 2 seconds between each push NOTE A warm engine may not require choking or priming Stand at side of tiller Grasp the starter handle and pull out slowly until it pulls slightly harder Let rope rewind slowly Pull starter handle rapidly Do not allow ha...

Page 11: ...ct the wheel drive only WARNING Do not push down on the handles so that the wheels are lifted off the ground while using the tine drive or the tiller could move backward and cause personal injury For best results it is recommended the garden be tilled twice lengthwise then width wise to pulverize the soil Making Adjustments WARNING Never attempt to make any adjustments while the engine is running ...

Page 12: ...tremely dusty conditions Poor engine performance and flooding usually indicates that the air cleaner should be serviced To service the air cleaner refer to the separate engine manual packed with your unit IMPORTANT Never run your engine without air cleaner completely assembled The spark plug should be cleaned and the gap reset every 25 hours of engine operation Spark plug replacement is recommende...

Page 13: ...d Fill tank with clean fresh gasoline Fuel will not last over thirty days unless a fuel stabilizer is used Move throttle lever to start position Clean fuel line Refer to the engine manual packed with your unit Move switch to ON position Connect wire to spark plug Clean adjust gap or replace Refer to the engine manual packed with your unit Engine runs erratic Unit running on CHOKE Spark plug wire l...

Page 14: ... 13 29 35 16 53 35 16 46 31 28 12 45 17 17 44 36 6 3 33 15 27 5 36 43 4 20 40 21 1 34 18 10 42 23 7 22 36 8 47 32 37 50 25 10 9 24 36 51 34 45 26 41 36 35 16 29 19 49 44 33 14 35 16 2 14 28 35 16 14 11 48 14 ...

Page 15: ...0 716 0865 Snap Ring 21 717 0853 Shifting Fork 22 717 1582 Spur Gear 44T 23 717 1583 Spur Gear 30T 24 717 1584 Spur Gear 30T 25 717 1585 Spur Gear 44T 26 717 1587 Spur Gear 44T Ref Part No Part Description 27 717 1594 Spur Gear 16T 28 721 0378 Seal 1 0 Shaft 29 721 0379 Seal 75 Shaft 31 726 0277 Taper Cap Ring 32 732 0496 Compression Spring 50 Leg 33 736 0163 Thrust Wash 1 03 I D X 1 62 34 736 035...

Page 16: ... 23 10 1 60 61 37 62 25 34 27 64 30 39 63 26 32 36 33 31 29 66 26 41 30 30 24 28 35 40 26 49 44 50 59 51 65 53 55 56 54 57 58 44 46 42 4 9 11 16 6 3 14 7 19 5 17 2 60 61 12 15 12 38 21 22 67 70 70 68 69 27 26 71 ...

Page 17: ... 1 0 28 712 0421 Wing Nut 29 736 0169 Lock Washer 3 8 30 712 04063 Flange Nut 5 16 18 31 726 0106 Cap Nut 32 738 0849 Hex Screw 5 16 18 x 75 33 747 0432 Rod 34 750 0885A Spacer 322 x 625 x 2 0 Ref Part No Part Description 35 786 0090 Shoulder 36 786 0113 Tine Shield Hinge Flap 37 786 0176 RH Handle Bracket 38 786 0177 LH Handle Bracket 39 786 0178 Tine Shield 40 786 0179 Tine Shield Bracket 41 786...

Page 18: ...18 33 35 44 38 37 34 24 7 41 3 16 15 13 21 25 14 1 11 2 4 8 6 27 5 39 20 31 32 29 Wheel shaft shown for reference only 36 18 12 26 43 42 17 28 40 9 45 46 ...

Page 19: ...gine Pulley Half 23 756 0972 Inner Engine Pulley Half 24 756 1162 Input Pulley Ref Part No Part Description 25 786 0064A Idler Bracket 26 786 0185 Belt Keeper Bracket 27 786 0187 Shift Cover Bracket 28 786 0193 Idler Belt Keeper 29 634 04231 Wheel Assembly 16 0 x 4 6 x 8 734 0808 Tire Only 16 2 x 4 6 30 634 04230 Wheel Rim Assembly 31 734 0255 Air Valve 32 710 0606 Hex Head Screw 1 4 20 33 712 040...

Page 20: ...erior finish due to use or exposure d Cub Cadet does not extend any warranty for products sold or exported outside of the United States its possesions and territories except those sold through Cub Cadet s authorized channels of export distribution e Replacement parts that are not genuine Cub Cadet parts f Service completed by someone other than an authorized service dealer g Transportation charges...

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