O PE RATOR'S MAN UAL 22', Self-Propelled Mower Model Series 520 Thru 530 IMPORTANT: Warning: Read safety rules and instructions This unit is equipped with an internal combustion carefully before operating engine and should not be used on or near any unimproved covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with applicable local or state laws (if any).
TABLE OF CONTENTS Content Page Maintaining Safety ............................................................................................. 3 Slope Gauge .............................................. 6 i ....................................................... Assembling Your Lawn Mower ........................................................................... 7 Know Your Lawn Mower ....................................................................................
SECTION1: MAINTAININGSAFETY This Warning symbol points out important safety instructions which, if not fol!owed could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate your lawn mower. Failure to comply with these instructions may result in eersonal injury.
• Neveroperatethemowerin wetgrass.Alwaysbe • Do not mow on wet grass. Reduced footing could sureofyourfooting. Aslipandfallcancauseserious cause slipping. personal injury.Keepa firmholdonthehandleand walk,neverrun. If you feelyou are losingyour CHILDREN footing, RELEASE THEBLADE CONTROL HANDLE IMMEDIATELY andthebladewillstoprotating within Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the threeseconds.
• Keee all nuts bolts, and screws tight to be sure the equipment is in safe working condition. • Never tamBer with safety devices. Check their proper operation reguIarly. • • _llb • After striking a foreign object, stop the engine, remove the wire from the spark plug, and thoroughly inspect the mower for any damage.
O SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE A POWER POLE ! A CORNER OF A BUILDING OR A FENCE POST o I 0 "0 o "OJO '& &WARNING _ _ _ _ Do not mow on inclines with a stope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet). A riding mower could O .-_ __. .c: o _, _ overturn and cause serious injury. If operating a walk-behind mower on such a slope, it is extremely and you could slip, resulting in serious injury.
SECTION3: ASSEMBLING YOURLAWNMOWER IMPORTANT:This unit is shipped without gasoline or oil in the engine. Be certain to service engine with gasoline and oil as instructed in the separate engine manual before operating your mower. Nuts NOTE: Reference to right or left hand side of the mower is observed from the operating position, RemovingUnitFromCarton • • Remove staples, break glue on :op flaps, or cut tape at carton end and peel along top flap to open carton.
Installing MulchingBaffle (Model 520 Series) If your mower is equipped with the optional mulching baffle, install it following these instructions: RemovingChuteRetainer(Models 520 Series) The chute deflector on your mower is held in an upright position by a retainer for shipping purposes only. Remove the retainer, following steps below, before running the mower for the first time. • Push the chute deflector up and towards the engine. Holding the deflector in this position, remove the retainer.
CuttingHeight AdjustmentLevers Blade Control Handle Control Handle Mulching Plug / Discharge Chute Recoil Starter Cutting Height Adjustment These levers are located on each wheel and they are used to adjust the cutting height. All four levers have to be at the same relative position to ensure a uniform cut. See Figure 8. DriveControl Handle The drive control handle is located on the upper handle. Squeeze the drive control handle against the upper nandle to engage drive system.
continuous, full arm stroke. Keeping a firm grip on the starter handle, let the rope return to the starter slowly. GasandOilFill-Up Service the engine with gasoline and oil as instructed in the separate engine manual packed with your mower. Read instructions carefully. UsingYourLawnMower Be sure that the lawn is clear of stones, sticks, wire, or other objects which could damage the lawn mower or the engine.
• • Position each handle bracket assembly stud into one of the other holes in the lower handle. Each end of the lower handle must be placed in same relative position. Wing Nuts Handle Adj_ Handle Bracket Figure 9 HandleHeightAdjustment Your mower is shipped with the handle in the higher height position. To lower the height proceed as follows: • • Figure 10 EngineAdjustments Remove the starter rope from the rope guide.
o Some adjustments will have to be made periodically to maintain your unit properly. All adjustments in the Making Adjustments section of this manual should be checked at least Once each season. Periodically check all fasteners and make sure these are tight. Follow the maintenance schedule under Customer Responsibilities to get quality performance from your lawn mower. Engine Refer to the separate engine manual for all engine maintenance instructions.
When sharpening the blade, follow the original angle of grind as a guide. ]t is extremely important that each cutting edge receives an equal amount of grinding to prevent an unbalanced blade, An unbalanced blade will cause excessive vibration when rotating at high speeds. It may cause damage to the mower, and could break causing personal injury. To get easier access to the belt, just securely place the mower on raised blocks.
SECTION8: STORINGYOURLAWNMOWER The following steps should be taken to prepare your lawn mower for storage, • • • Clean and lubricate mower thoroughly as described in the lubrication instructions. NOTE: When storing any type of power equipment in a poorly ventilated or metal storage shed, care should be taken to rust-proof the equipment. Using a light oi! or silicone, coat the equipment, especially cables and all moving parts.
NOTES 15
ModelSeries520 thru530 / 6 i 12 10 18 62 6\ 64 66 P_..........
ModelSeries520 thru530 Ref. No. Part No. Ref. No, Part Description Part No. Part Description 1. 747-1214 Drive Control Handle 38. 731-0073 Transmission 2. 747-1161 Blade Control Handle 39. 756-1163 3. 746-1113 746-1114 Blade Control Cable - B&S Blade Control Cable- Tec 40; 748-0426 41. 742-0642 Drive Pulley Blade Adapter Blade 22" 4, 746-1092 Drive Control Cable 742-0742 5, 749-1092 Upper Handle 736-0452 6.
ModelSeries260 thru279 4 \ 6 3 2 Ref. No. 1. 2. 3. 4. 618-0392 721-0329 741-0673 Part Description Upper Housing Assembly Oil Seal ,500 ID x .687 OD 736-0520 Flange Bearing .503 ID x .689 OD Flat Washer .504 ID x .700 OD x .030 736-0711 Flat Washer .504 ID x .700 OD x .035 736-0712 736-0713 Flat Washer .504 ID x .700 OD x ,040 5. 717-1598 Bevel Gear 44T 6. 715-0139 RolI Pin 7. 711-1388 Output Shaft 8. 719-0538 9. 716-1276 Lower Housing Hex Washer Screw 1/4-20 x .75 10.
MANUFACTURER'S LIMITED WARRANTY The limited warranty set forth below is given by MTD PRODUCTS INC ("MTD") with respect to new merchandise purchased and used in the United States, its possessions and territories. MTD warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its optionl repair or replace, free of charge, any part found to be defective in material or workmanship.
