background image

Summary of Contents for 449

Page 1: ...eeting applicable local or 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 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 author...

Page 2: ...authorized service dealer _RD_BN _ MTD LLC P O BOX 361131 CLEVELAND 0H 44136 www yardman com 330 220 4683 800 800 7310 Copy the model number here Copy the serial number here CUSTOMER SUPPORT Please doNOTreturntheunit to the retailer fromwhereit waspurchased withoutfirstcontactingCustomer Support If you have difficulty assembling this product or have any questions regarding the controls operation o...

Page 3: ...ver or picked up and thrown by the blade Thrown objects can cause serious personal injury Plan your mowing pattern to avoid discharge of material toward roads sidewalks bystanders and the like Also avoid discharging material against a wall or obstruction which may cause discharged material to ricochet toward operator 5 To help avoid blade contact or a thrown object injury stay in the operator zone...

Page 4: ...osing your balance release the blade control handle immediately and the blade will stop rotating within 3 seconds DoNot 1 Do not mow near drop offs ditches or embankments you could lose your footing or balance 2 Do not mow slopes greater than 15 degrees as shown on the slope gauge 3 Do not mow on wet grass Unstable footing could cause slipping Children Tragic accidents can occur if the operator is...

Page 5: ...y listed in this manual Use of parts which do not meet the original equipment specifications may lead to improper performance and compromise safety 4 Mower blades are sharp and can cut Wrap the blade or wear gloves and use extra caution when servicing them 5 Keep all nuts bolts and screws tight to be sure the equipment is in safe working condition 6 Never tamper with safety devices Check their pro...

Page 6: ...f approximately 2 1 2 feet every 10 feet A riding mower could overturn and cause serious injury If operating a walk behind mower on such a slope it is extremely difficult to maintain your footing and you could slip resulting in serious injury Operate RIDING mowers up and down slopes never across the face of slopes Operate WALK BEHIND mowers across the face of slopes never up and down slopes O ...

Page 7: ...p of the unit Remove it from the unit and set it out of the way See Figure 2 Lower Handle Lift lower handle Grass Bag Upper Handle Figure 2 Raise the lower handle as shown in Figure 2 till it snaps into place Raise the upper handle as shown in Figure 2 Tighten the two wing nuts which are already on the handle See Figure 3 Tighten these _wing nuts _ _ _ X Lower UPnPd e _ __Handle Figure 3 NOTE Make...

Page 8: ...the lower handle of your mower See Figure 8 With the spark plug wire disconnected and grounded hold the blade control handle against the upper handle and pull the starter rope up to the rope guide See Figure 8 Slip the rope through the rope guide as shown below Tighten the wing nut holding the rope guide to the lower handle Slip rope into Wing Nut rope Rope Guide Figure 8 Assembling GrassCatcher N...

Page 9: ...harge door to allow it to close the rear opening of the mower ChuteDeflector ofequipped If your mower is equipped with the chute deflector assemble as follows Rod Tab Figure 11 Slide the rod into the upper edge of the chute deflector so the tab on the rod is toward the left side of the chute deflector When assembled correctly the rod will extend further to the left side than the right side See Fig...

Page 10: ...ever attempt to bypass its operations The blade will be rotating whenever the engine is running Drive Control Handle The drive control handle is located on the upper handle and is used to engage the drive Pushing the handle forward will engage the drive The farther the handle is pushed forward the faster the mower will propel Pulling the drive control handle backwards will slow down or stop the mo...

Page 11: ...ntrol handle to stop the engine and the blade WARNING The blade continues to rotate for a few seconds after engine is shut off Disconnect spark plug wire and move away from spark plug to prevent accidental starting Using Your Rotary Mower Do not operate the mower without the mulching cover the grass catcher bag or the discharge chute properly installed Be sure that the lawn is clear of stones stic...

Page 12: ...replace the paper filter component every 100 hours You may have to service the air filter more frequently if you are operating the mower under extremely dusty conditions Clean engine periodically Remove dirt and debris with a cloth or brush Clean the spark plug and reset the gap to 030 at least once a season or every 50 hours of operation Spark plug replacement is recommended at the start of each ...

Page 13: ...re with the hex bolt and blade bell support and tighten to the recommended torque Refer to Blade Mounting Torque section on this page IMPORTANT The bolt used to secure the blade to the engine is specially heat treated Do not substitute To order replacement bolt refer to the parts list in the back of this manual _ ARNING To ensure safe operation of your lawn mower check all nuts and bolts periodica...

Page 14: ...ndle the blade while sliding the belt around it Make sure the engine does not start at all while doing this job Replacing RearFlap To remove rear flap cut off the flat end of the wire rod which secures it to the deck See Figure 17 Handle Bracket Rear Discharge Door Handle Bracket Rear Flap Figure 17 Attach the new flap and new rod to deck bending the ends of the new rod over to secure to deck SECT...

Page 15: ...from one position to another Simply depress the lever towards the wheel and move the lever assembly to desired position See Figure 20 Figure 20 Adjusting Carburetor NOTE A dirty air cleaner may cause an engine to run rough too Make sure that the air cleaner is clean and attached to the carburetor before deciding to adjust the carburetor _ WARNING If any adjustments are made to the engine e g carbu...

Page 16: ...el low 2 Air flow restricted 1 Spark plug gap too close 2 1 2 3 1 2 3 4 1 2 Spark plug fouled faulty or gap too wide Dirty air cleaner Cutting blade loose or unbalanced Bent cutting blade Bent engine crankshaft Engine speed too low Wet grass Excessively high grass 1 Engage blade control handle 2 Connect wire to spark plug 3 Fill up tank with fresh gasoline 4 Clean fuel line 5 Clean adjust gap or r...

Page 17: ...Belt Keeper Ball Bearing Flange Bearing Hex Jam Nut 5 16 24 Bell Washer 325 x 930 x 45 Pulley 3 82 x 313 x 68 Flat Washer 422 x 1 38 x 060 Idler Bracket Pulley Extension Spring Bearing Sleeve Fl Wash 865 x 1 145 x 030 Pinion Shaft 10T Needle Bearing 438 x 625 x 500 Fl Wash 504 x 700 x 030 Transmission Assembly Comp Idler Cable Bracket Assembly Oil Seal 500 x 687 x 094 Flange Bearing Output Shaft T...

Page 18: ...Model449 63 43 49 7 4 27 44 37 37 35 66 41 73 67 69 24 75 72 59 62 76 47 5 61 I 48 1 If Equipped 18 ...

Page 19: ...able Tie Drive Handle Flange Lock Nut 3 8 16 Rear Door Pivot Rod TT Scr 1 4 20 x 1 250 21 Rear Discharge Deck Ref No 48 49 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 80 82 83 84 85 86 87 88 89 90 91 92 93 Part No 754 0465 728 0199 782 5002A 618 04006 710 1650 731 04580 711 1293 741 0604A 748 0355 736 0447 782 0512B 782 0511A 687 02044 747 2132A 748 04015A 742 074...

Page 20: ...deck adjustments and normal deterioration of the exterior finish due to use or exposure Service completed by someone other than an authorized service dealer e f g MTD does not extend any warranty for products sold or exported outside of the United States its possessions and territories except those sold through MTD s authorized channels of export distribution Replacement parts that are not genuine...

Reviews: