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6

 

CAUTION:  Under normal usage, the 

catcher material is subject to de te ri o ra tion 
and wear and should, therefore, be 
checked frequently for replacement.  Any 
replacement catcher should be checked to 
ensure compliance with original man u fac -
tur er's spec i fi  

ca tions.

 

CAUTION:  Do not run lawn mower 

with out the discharge guard (rear door), 
approved grass catcher, clipping de fl ec tor 
or mulcher plate in place.  Never attempt 
to operate mower with the dis charge guard 
(rear door) removed or propped open.

Hinge bracket

Formed tabs

Rear door

Grass 

catcher 

frame

HINGE BRACKET MOUNTED

DOOR PIVOT PIN MOUNTED

HANDLE BRACKET MOUNTED

DOOR SLOT MOUNTED

Handle bracket hooks

Rear 
door

Grass 

catcher 

handle

Catcher frame side hook

Rear door slots

Grass 

catcher 

han dle

Catcher frame hook

Pivot pins

Grass 

catcher 

handle

Catcher frame hook

Rear 
door

Frame 

handle

Frame 

opening

Vinyl 
bindings

“FABRIC TOP” GRASS CATCHERS
TO ASSEMBLE AND ATTACH GRASS 
CATCH ER 
•   Put grass catcher frame into grass bag 

with rigid part of bag on the bottom.

•   Slip vinyl bindings over frame.
NOTE:  If vinyl bindings are too stiff, hold 
them in warm water for a few minutes.  If 
bag gets wet, let it dry before using.
•   Lift the rear door on the mower housing.
•   For HINGE BRACKET mounted catcher, 

place the grass catch er frame onto the 
formed tabs on the rear door hinge 
bracket.

•   For HANDLE BRACKET mounted 

catcher, place frame side hooks into 
slots in handle brackets.

•   For DOOR PIVOT PIN mounted catcher, 

place the grass catcher frame hooks 
onto the door pivot pins.

•   For DOOR SLOT mounted catcher, 

place the grass catcher frame hooks into 
the slots of the rear door.

NOTE: The grass catcher is secured to the 
lawn mower housing when the rear door is 
lowered onto the grass catcher frame.

15

LAWN MOWER

Always observe safety rules when perform-
ing any main te nance.
TIRES
•  Keep tires free of gasoline, oil, or insect 

control chemi cals which can harm rubber.

•   Avoid stumps, stones, deep ruts, sharp 

objects and other hazards that may 
cause tire damage.

BLADE CARE

For best results, mower blade must be kept 
sharp.  Re place a bent or dam aged blade.

  CAUTION:  

Use only a replacement 

blade approved by the manufacturer of 
your mower. Using a blade not approved 
by the manufacturer of your mower is 
hazardous, could damage your mower and 
void your warranty.

TO REMOVE BLADE
1.   Disconnect spark plug wire from spark 

plug and place wire where it cannot 
come in contact with plug.

2.   Turn lawn mower on its side. Make sure 

air fi lter and carburetor are up.

3.   Use a wood block between blade and 

mower hous ing to prevent blade from 
turning when re mov ing blade bolt.

NOTE:  Protect your hands with gloves 
and/or wrap blade with heavy cloth.
4.   Remove blade bolt by turning counter-

clockwise. 

5.   Remove blade and attaching hard-

ware (bolt, lock wash er and hardened 
wash er).

NOTE:  Remove the blade adapter and 
check the key inside hub of blade adapter. 
The key must be in good condition to work 
properly. Replace adapter if damaged.

TO REPLACE BLADE 
1.   Position the blade adapter on the en-

gine crank shaft. Be sure key in adapter 
and crankshaft keyway are aligned.

2.   Position blade on the blade adapter 

aligning the two (2) holes in the blade 
with the raised lugs on the adapter.

3.   Be sure the trailing edge of blade (op-

posite sharp edge) is up toward the 
engine.

4.   Install the blade bolt with the lock wash-

er and hardened washer into blade 
adapter and crankshaft.

5.   Use block of wood between blade and 

lawn mower housing and tighten the 
blade bolt, turning clockwise.

•   The recommended tightening torque is 

35-40 ft. lbs.  

IMPORTANT:  Blade bolt is heat treated.  
If bolt needs replacing, replace only with 
approved bolt shown in the Repair Parts 
section of this manual.

Blade 
bolt

Crankshaft 

keyway

Hardened 
washer

Lockwasher

Blade adapter

Key

Blade

Trailing edge

Crankshaft

TO SHARPEN BLADE
NOTE:  We do not recommend sharp en ing 
blade - but if you do, be sure the blade is 
balanced.  An un bal anced blade will cause 
eventual damage to lawn mower or engine. 
•   The blade can be sharp ened with a fi le 

or on a grinding wheel. Do not attempt to 
sharpen while on the mower.

•   To check blade balance, drive a nail into 

a beam or wall. Leave about one inch of 
the straight nail ex posed. Place center 
hole of blade over the head of the nail. 
If blade is balanced, it should remain in 
a horizontal position. If either end of the 
blade moves downward, sharpen the 
heavy end until the blade is balanced.

ENGINE

Read the maintenance section of your 
engine manual.
LUBRICATION
Change the oil after the fi rst two hours of 
operation and every 25 hours there af ter or 
at least once a year if the lawn mower is 
not used for 25 hours in one year.  Refer to 
engine manual.
TO CHANGE ENGINE OIL
(SEE ENGINE MANUAL)
•   Be sure lawn mower is on level surface.
•   Oil will drain more freely when warm.
•   Catch oil in a suitable container.
•   For engines without dipstick, re move 

bottom oil drain plug.

•   For engines with oil fi ll cap/dipstick, 

remove bottom drain plug or remove en-
gine oil cap and turn mower on its side.

•   After oil has drained completely, re place 

oil drain plug and tighten se cure ly.

•   Refi ll engine with oil.  Pour slowly.  Do 

not overfi ll.

•   Fill to top of slot inside of fi ller hole or 

to “FULL” line on dipstick on models so 
equipped.  Keep oil at proper level.

Summary of Contents for PO500N22SH

Page 1: ...ow 1 Raise cutting height not filling 2 Lift on blade worn off 2 Replace blade If so equipped 3 Catcher not venting air 3 Clean grass catcher Hard to push 1 Grass is too high or wheel 1 Raise cutting...

Page 2: ...a warning of trouble Alwayswearsafetygogglesorsafetyglass eswithsideshieldswhenoperatingmower II SLOPE OPERATION Slopes are a major factor related to slip fall accidents which can result in severe in...

Page 3: ...all grass can hide obstacles DO NOT Do not trim near drop offs ditches or embankments The operator could lose footing or balance Do not trim excessively steep slopes Do not mow on wet grass Reduced fo...

Page 4: ...ame of the engine BRIGGS STRATTON ENGINES BACK or REAR Operating Position HONDA ENGINES TECUMSEH ENGINES 17 3 POSITION EZ The handle on your lawn mower has three 3 height positions adjust to height th...

Page 5: ...r are covered to keep water out Water in engine can shorten engine life GRASS CATCHER IF SO EQUIPPED Grass catcher may be hosed with water but must be dry when used CAUTION Under normal usage the catc...

Page 6: ...de and mower housing to prevent blade from turning when removing blade bolt NOTE Protect your hands with gloves and or wrap blade with heavy cloth 4 Remove blade bolt by turning counter clockwise 5 Re...

Page 7: ...he life of the self lubricating bearings If you feel they must be lubricated use only a dry powdered graphite type lubricant sparingly Wheel adjuster on each wheel Engine oil Rear dis charge mower rea...

Page 8: ...grass and not be noticed Also the mulched grass will biodegrade quickly to provide nutrients for the lawn Always mulch with your highest engine blade speed as this will provide the best recutting act...

Page 9: ...MODELS WITH ELECTRIC STARTER Push the engine start button or turn the key on models so equipped IMPORTANT Do not crank engine more than five continous seconds each time you try to start Wait 5 to 10...

Page 10: ...Hooks Housing opening Mulcher plug Hinge rod Tab Discharge guard Lift discharge guard Install mulcher plug Tab 11 CAUTION Do not run your lawn mower without rear mulcher plate or plug in place or app...

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