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9

Converting To Side Discharge

If your unit is equipped with a side discharge chute, you 
can convert to a side discharge mower as follows:

Lift the rear discharge door and install the mulching 
baffle. See Figure 8. 

On the right side of the mower, lift the mulching 
plug. See Figure 9.

Slide the two hooks of the side discharge chute 
under the hinge pin on the mulching plug assembly 
as shown below. Lower the side mulching plug.

Do not remove the side mulching plug at any time, 
even when you are not mulching. 

Figure 9

SECTION 4:  KNOW YOUR LAWN MOWER

WARNING: 

Be familiar with all controls and

their proper operation. Know how to stop the
machine and disengage them quickly. 

Figure 10

Recoil Starter

The recoil starter handle is attached to the handle and 
is used to start the engine.

Grass Catcher

The grass catcher, located at the rear of the mower, is 
used to bag grass clippings for disposal at another site.         

Mulching Plug

Both the mulching baffle and the mulching plug are 
used only for mulching purposes. Instead of collecting 
the grass clippings in a grass catcher, some mower 
models have the option of recirculating the clippings 
back to the lawn. This is called mulching. 

Blade Control Handle

The 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 the 
blade control handle to stop the engine and the blade.

WARNING: 

The blade control handle is a

safety device. Never attempt to bypass its
operations. Doing so, may result in personal
injury through contact with the rotating blade.
The blade rotates whenever the engine is
running.

Cutting Height Adjustment Lever

This lever, located at each wheel, lets you adjust cutting 
height of the grass. Remember to put all four levers at 
the same height to avoid uneven cut. 

Throttle Control

Your engine is equipped with a constant speed throttle, 
which is set at full throttle for best performance.

Hinge Pin

Mulching Plug

Hook

Deflector

Blade Control Handle

Recoil Starter Handle

Grass Catcher Bag

Height
Adjustment
Lever

Side Discharge

Chute

Mulch 
Plug

Height 
Adjustment
Lever

Spark 

Plug

Summary of Contents for PR-521

Page 1: ...covered land unless the engine 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 workin...

Page 2: ...epartment or an authorized dealer You can locate the model number by standing in the operating position and looking down at the rear of the deck A sample model plate is explained below For future refe...

Page 3: ...n bystanders helpers and pets at least 75 feet from the mower while it is in operation Stop machine if anyone enters the area 6 Always wear safety glasses or safety goggles during operation and while...

Page 4: ...r 5 Keep children away from hot or running engines They can suffer burns from a hot muffler 6 Never allow children under 14 years old to operate a power mower Children 14 years old and over should rea...

Page 5: ...nd operating the mower 8 Never attempt to make a wheel or cutting height adjustment while the engine is running 9 Grass catcher components discharge cover and trail shield are subject to wear and dama...

Page 6: ...LY 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 operating a walk behind mower...

Page 7: ...lower handles for shipping purposes Pull up and back on the upper handle to raise the handle into the operating position Make certain the lower handle is seated securely into the handle mounting brack...

Page 8: ...Your lawn mower is equipped with both a mulching baffle and a mulching plug While the mulching baffle is located at the rear of the mower the mulching plug is located on the right side of the cutting...

Page 9: ...g are used only for mulching purposes Instead of collecting the grass clippings in a grass catcher some mower models have the option of recirculating the clippings back to the lawn This is called mulc...

Page 10: ...To Stop Engine and Blade Release the blade control handle to stop the engine and blade WARNING The blade will continue to rotate for three seconds after the blade control lever is released Disconnect...

Page 11: ...the handle in the higher height position To lower the handle height for your convenience proceed as follows Remove the starter rope from the rope guide Remove the upper handle by removing the hand kn...

Page 12: ...he blade adapter with light oil or engine oil Also lubricate the bolt holes bolts and inner surface of the nuts Install the blade adapter on the crankshaft with the star away from the engine Refer to...

Page 13: ...with light oil Engine oil may also be used Engine Follow engine manual for instruction and schedule of lubrication NOTE When tipping the unit empty the fuel tank and keep engine spark plug side up SE...

Page 14: ...tank with clean fresh gasoline 3 Refer to the engine manual packed with your unit Engine overheats 1 Engine oil level low 2 Dirty aircleaner 3 Air flow restricted 4 Carburetor not adjusted 1 Fill cra...

Page 15: ...15 NOTES...

Page 16: ...16 NOTES...

Page 17: ...17 NOTES...

Page 18: ...1 11 9 7 82 16 15 18 3 2 19 4 6 4 31 50 48 47 44 45 64 56 20 55 63 36 34 33 32 40 39 57 59 20 45 44 43 41 42 59 23 66 67 58 30 51 53 62 65 81 49 22 72 21 14 13 12 71 52 54 39 40 29 A A 83 45 46 76 80...

Page 19: ...48 732 0417A Rear Spring Lever 49 14578 Height Adj Assy Comp RH N I 14579 Height Adj Assy Comp LH 50 14765 Pivot Bar R H N I 14766 Pivot Bar L H 51 782 5002 Front Baffle 52 710 0654A Hex L Wash Scr 3...

Page 20: ...det equipment used commercially is warranted for one year only Commercial use is defined as either having hired operators or used for income producing purposes Items not covered The warranty does not...

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