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For a healthier lawn, never cut off more than one-third 
of the total length of the grass. Your lawn should be cut 
in the fall as long as there is growth. This mower is 
designed to be operated at full throttle to give you the 
best cut and do the most effective job of mowing or 
mulching.

WARNING: If you strike a foreign object,
stop the engine. Remove wire from the
spark plug, thoroughly inspect the mower
for any damage, and repair the damage
before restarting and operating the
mower. Extensive vibration of the mower
during operation is an indication of
damage. The unit should be promptly
inspected and repaired.

Mulching

For effective mulching, do not cut wet grass because it 
tends to stick to the underside of the deck, preventing 
proper mulching of grass clippings. New or thick grass 
may require a narrower cut. The ground speed should 
be adjusted to the condition of the lawn. If mowing has 
been delayed and the grass has been allowed to grow 
in excess of 4”, mulching is not recommended. Mow 
using the side discharge to reduce the grass height to 3 
1/4” maximum before mulching.

SECTION 7:  MAKING ADJUSTMENTS

WARNING: Do not at any time make any
adjustments without first stopping engine
and disconnecting spark plug wire.

Cutting Height Adjustment

Figure 15

An adjusting plate and spring lever at each wheel 
position provides cutting height adjustment. Each 
adjusting plate has nine height positions. When the 
spring lever is moved from one location to another the 
height of cut will be changed. Simply depress the lever 
towards wheel and move lever assembly to desired 
position. See Figure 15.

IMPORTANT:

 All wheels must be placed in the same 

relative position. For rough or uneven lawns, move the 
height adjustment lever to a higher position. This will 
help stop scalping of the grass.

Handle Height Adjustment

Your mower is shipped with the handle in the higher 
height position. To lower the height proceed as follows:

Remove the starter rope from the rope guide.

Remove the upper handle by removing the hand 
knobs and carriage bolts. Lay the upper handle out 
of the way, being careful not to bend or kink the 
cables.

Remove the hairpin clips from the weld pins on the 
handle brackets. Press out on the legs of the lower 
handle. Remove lower handle from the mower.

Turn lower handle around so the notch on the 
bottom of the lower handle is facing forward. 
Reassemble, placing the bottom holes in the 
handle over the weld pins in the handle mounting 
bracket. See Figure 16.

Reassemble the upper handle to the lower handle.

Place the hairpin clips in the inner holes in the weld 
pins and attach the starter rope as instructed in the 
Assembly Section.

Figure 16

Engine Adjustments

See the separate engine manual packed with your unit 
for adjustments to the engine.

Height Adjustment
Lever

Notch

Lower Handle

Summary of Contents for 509 Series

Page 1: ...s exhaust system is equipped with a spark arrester meeting 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 S...

Page 2: ...t if you need help from our Customer Support Department or an authorized dealer You can locate the model number by looking down at the rear of the deck A sample model plate is explained below For futu...

Page 3: ...n overlooked and could be accidentally thrown by the mower in any direction and cause serious personal injury to the operator or any others allowed in the area Wear sturdy rough soled work shoes and c...

Page 4: ...embankments The operator could lose footing or balance Do not mow slopes greater than 15 degrees as shown on the slope gauge Do not mow on wet grass Reduced footing could cause slipping CHILDREN Tragi...

Page 5: ...re subject to wear damage and deterioration which could expose moving parts or allow objects to be thrown For safety protection frequently check components and replace with manufacturer s recommended...

Page 6: ...N T I N G A 1 5 S L O P E WARNING Do not mow on inclines with a slope in excess of 15 degrees a rise of approximately 2 1 2 feet every 10 feet A riding mower could overturn and cause serious injury If...

Page 7: ...th the hardware shown on this page See Figure 1 The hardware pack may contain extra items which are not used on your unit Figure 1 NOTE Hardware pieces illustrated here are not drawn to actual size Ax...

Page 8: ...position Make certain the lower handle is seated securely into the handle bracket assemblies Tighten the wing nuts on each side of the handle carriage bolts must be seated properly into the handle See...

Page 9: ...f the mower are not already assembled proceed as follows Block the rear of the mower up securely Move rear cutting height adjusters to the highest position The rear axle shaft has a right side and a l...

Page 10: ...e with lock washer and hex nut from the hardware pack Repeat step on the other side See Figure 11 Tighten all nuts and bolts on both ends of the strut securely Removing Chute Retainer The chute deflec...

Page 11: ...blade control handle is located on the upper handle of the mower The blade control handle must be depressed in order to operate the unit Release blade control handle to stop engine and blade WARNING T...

Page 12: ...d cause serious personal injury to the operator and others For best results do not cut wet grass because it tends to stick to the underside of the mower preventing proper discharge of grass clippings...

Page 13: ...t each wheel position provides cutting height adjustment Each adjusting plate has nine height positions When the spring lever is moved from one location to another the height of cut will be changed Si...

Page 14: ...ine and disconnect spark plug wire before cleaning lubricating or doing any kind of service work on the lawn mower Blade Control Lubricate the pivot points on the blade control handle at least once a...

Page 15: ...oval Replacement and Sharpening When removing the cutting blade for sharpening or replacement protect your hands with a pair of heavy gloves or use a heavy rag to hold the blade Remove the bolt and th...

Page 16: ...will result in shorten life and reduce serviceability Refer to engine manual for correct engine storage instructions Coat mower s cutting blade with chassis grease to prevent rusting Store mower in a...

Page 17: ...h fresh fuel 5 Clean air cleaner 6 Adjust carburetor Engine overheats 1 Engine oil level low 2 Air flow restricted 3 Carburetor not adjusted properly 1 Fill crankcase with proper oil 2 Remove blower h...

Page 18: ...18 Models 500 509 1 24 2 3 4 5 6 8 12 14 15 17 18 23 22 21 34 25 26 27 28 29 30 31 32 33 35 36 36 37 38 39 40 41 20 42 43 44 45 46 47 48 18 49 50 19 51 52 53 54 55 56 57 39 40 58 59 60 61 62 64 63...

Page 19: ...Assembly 22 28 710 0654A Hex Washer Screw 29 720 0279 Handle Knob 1 4 20 30 736 0504 Wave Washer 31 782 0519A Pivot Bar LH 782 0520A Pivot Bar RH 32 712 3020 Hex Jam Nut 3 8 16 33 749 0705 Upper Handl...

Page 20: ...ty on these items b Log splitter pumps valves and cylinders have a separate one year warranty c Routine maintenance items such as lubricants filters blade sharpening and tune ups or adjustments such a...

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