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16

SERVICE AND ADJUSTMENTS

 

CAUTION: Before performing any service or adjustments:

•   Release operator presence control bar.
•   Make sure the blade and all moving parts have com plete ly stopped.
•   Disconnect spark plug wire from spark plug and place wire where it can not come in 

contact with plug.

LAWN MOWER

TO ADJUST CUTTING HEIGHT
See “TO ADJUST CUTTING HEIGHT” in 
the Operation sec tion of this manual.

TO ADJUST HANDLE
2 POSITION HANDLES
The handle can be mounted in a high or 
low po si tion.  The mounting holes in the 
bottom of lower handle are off center for 
raising or lowering the handle.
•   Remove upper handle and all parts at-

tached to lower handle.

•   Remove hairpin cotters from lower 

handle bracket mount ing pin.

•   Squeeze lower handle in to remove it 

from mounting pins.

•   Turn lower handle over to raise or lower 

handle.

•   Squeeze lower handle in and position 

holes onto mount ing pins on handle 
bracket.

•   Reassemble hairpin cotters onto mount-

 ing pins.

•   Reassemble upper handle and all parts 

removed from lower handle.

TURN LOWER 
HANDLE OVER
TO ADJUST HEIGHT

AIR FILTER
Your engine will not run properly and may 
be damaged by using a dirty air fi lter. 
Clean the element after every 25 hours of 
operation or every season.  Replace the air 
fi lter every 100 hours of operation or every 
season, whichever occurs fi rst.  Service air 
cleaner more often under dusty conditions.  
See the maintenance section of your 
engine manual.
MUFFLER
Inspect and replace corroded muffl er as it 
could create a fi re hazard and/or damage.
SPARK PLUG
Replace spark plug at the beginning of 
each mowing season or after every 100 
hours of operation, whichever occurs fi rst.  
Set spark plug gap according to engine 
manual specifi cations.

CLEANING

IMPORTANT:  For best performance, keep 
mower housing free of grass build-up and 

trash. Clean the underside of your mower 
after each use.
•   Clean the underside of your lawn mower 

by scraping to remove buildup of grass 
and trash.

•   Clean engine often to keep trash from 

accumulating.  A clogged engine runs 
hotter and shortens engine life. 

•  Keep fi nished surfaces and wheels free 

of all gasoline, oil, etc.

We do not recommend using a garden 
hose to clean your lawn mower unless the 
electrical system, muffl er, air fi lter, and 
carburetor 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 nor mal usage, the 

catch er material is subject to de te ri o ra tion 
and wear and should therefore be checked 
to ensure compliance with origi nal 
manufacturer specifi cations.

Mowing 
position

Mowing 
position

HIGH POSITION

LOW POSITION

Handle 
bracket

Hairpin 
cotter
Mounting 
pin

5

3 POSITION “QUICK” HANDLES 
•   Raise lower handle section to operating 

position and squeeze the bottom ends 
of lower handle towards each other until 
the pin in handle can be inserted into 
one of the three height adjustment holes.

3 POSITION “EZ” HANDLES 
•   Raise lower handle section to operating 

position and align hole in handle with 
one of three height positioning holes.

•   Insert handle bolt through handle and 

bracket and secure with knob.

•   Repeat for opposite side of handle.

Flanged 
locknut

Wheel 
assembly

Wave
Washers

Axle

Handle 

ad just ment 

brack et

Knob

Bolt

Handle pin

Handle 
ad just ment 
bracket

SQUEEZE

ALL HANDLES 
•   Raise upper handle section into place on 

lower han dle, remove protective padding 
and tighten both handle knobs.

•   Remove handle padding holding opera-

tor pres ence control bar to upper handle.

•   Your lawn mower handle can be ad-

justed for your mowing comfort.  Refer to 
“ADJUST HANDLE” in the Service and 
Adjustments section of this manual.

NOTE:  For shipping purposes, the rear 
wheels on your lawn mower may not be 
adjusted to the same position as the front 
wheels.  Before operating mower adjust all 
wheels to the same cutting height. 

INSTALL REAR WHEELS
(HIGH WHEEL MOWERS ONLY) 
Some high wheel models require wash ers 
which will be pro vid ed in a parts bag.  If provid-
ed, install washers on the axle fi rst as shown.
•   Install one (1) rear wheel on the axle of 

rear wheel adjuster.

•   Install 3/8-16 locknut and tighten securely.
•   Repeat procedure for other rear wheel.

MOWING 

POSITION

Lower handle

LIFT 
UP

Operator 
presence 
control bar

Upper 

handle

LIFT 

UP

Handle 

knob

AS SEM BLE GRASS CATCHER
(REAR DISCHARGE MOWERS ONLY)
IMPORTANT:
  If your model lawn mower 
is mulcher ready, the mulcher plate or plug 
must be removed before using mower as 
a bagger. To convert mower to bagging or 
discharging, see the Operation section in 
this manual.
Look at the different grass catcher illustra-
tions that follow.  Determine which type 
of grass catcher you have and follow the 
appropriate instructions.

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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