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       Part No. 350245                                                                                                                                                            Form No. F011003A

Page 6 of 12

OPERATION

  

continued

16

OVERSEEDING OPERATION continued

MOW:

 Mow the lawn to it's normal cut height

DRY:

 Be sure grass is dry.  Wet conditions can cause in-

creased damage to healty grass.

SET DEPTH: 

With engine off, set the raking depth so that the

blades just touch on a flat surface (i.e. driveway, or sidewalk).

START ENGINE:

 See Page 5.

ENGAGE BLADES: 

Pull back on the bail on the operators

handle.  

NOTE:

 When engaging the blades in heavy load

conditions (i.e. heavy thatch, or very uneven turf), push down
on the operators handle lifting the front wheels slightly.
Engage the blades.  Slowly lower the unit into the turf.

SLICE: 

Verti-cut a small test area and examine the results.

Some thatch and cut stems should be removed and deposited
on top of the healthy grass.  Grass runners should be cut and
ready for removal.  If excessive damage occurs to healthy
grass, adjust the blade depth to decrease damage.  Continue
raking the yard, working in one direction (i.e. north-south, or
east-west).  

NOTE:

  If a large drop in engine RPM occurs, or

the unit pulls you forward and bounces during operation the
blade depth is set too low.

REMOVE THATCH/STEMS: 

After verti-cutting, a layer of

thatch and cut stems will be deposited over the top of the lawn.
We suggest the use of a lawn vacuum or wheeled blower for
collection and removal of the thatch/stems.

DO NOT- 

Use this machine on any surface other than a lawn.

DO NOT- 

Use this machine on slopes in excess of 19°.

DO NOT- 

Allow persons unfamiliar with this equipment to

operate it.

DO NOT- 

Allow children to operate this equipment.

RAKING/SLICING TIPS

THATCH: 

Thatch is a dense layer of dead grass, clippings,

and roots that builds up over time at the base of of the lawn
preventing air, water, and fertilizer from reaching the soil.
This can cause shallow root development and make a lawn
more susceptible to drought and disease.  Thatch also
provides an ideal environment for insects to hide and
multiply.  Periodic removal of thatch will keep your lawn in
good health.

HEAVY THATCH: 

Lawns with an excessive amount of thatch

will require multiple treatments for effective removal.  Trying
to remove excessive thatch (greater than 3/4"[19 mm] deep)
in one treatment will damage or destroy the living part of the
lawn.  It is best to remove heavy thatch in seasonal treat-
ments (i.e. spring, and fall).

CHECK: 

Before begining, it is best to evaluate the condi-

tion of the lawn by cutting one or more core samples from
area to be treated.  A core can be cut using a piece of pvc,
or metal pipe.  Hammer the pipe into the ground, remove it,
push the core out of the pipe and inspect it to determine the
depth of thatch in your yard.

SLOPES: 

Rake slopes across not up and down.  This is

much easier and safer for the operator and is better for the
lawn.  Raking across will help to reduce runoff during
watering and allow the sloped ground to hold more seed,
fertilizer, and water. The units maximum operating slope is
35% or 19°.

DEPTH: 

The wide range of depth adjusment on your unit is

provided to allow for blade wear.  Setting the reel deeper will
not produce better, or quicker results.  The flail reel is
intended to be set so it just touches the surface on flat
ground.  The slicing reel should be set even with the ground
for verti-slicing work, and set to a maximum 1/2" depth for
overseeding jobs.  Setting the reel deeper than this will only
result in premature wear on the unit (i.e. failed belt).  If you
desire to work the ground deeper than the above guidlines
allow, it should be done gradually in multiple passes.

Hints!

OVERSEEDING OPERATION

MOW:

 Mow the lawn to it's normal cut height

DRY:

 Be sure grass is dry.  Wet conditions can cause in-

creased damage to healthy grass.

SEED: 

Spred grass seed according to the seed suppliers

directions (e.g. 10 lbs. per 1000 ft

[4.5 kg. per 93 m

])

SET DEPTH: 

With engine off, set the raking depth so that the

blades reach 1/4"-1/2"(6-12 mm) below a flat surface (i.e.
driveway, or sidewalk).

START ENGINE:

 See Page 5.

ENGAGE CLUTCH: 

Pull back on the bail on the operators

handle.  

NOTE:

 When engaging the clutch in heavy load

conditions (i.e. heavy thatch, or very uneven turf), push down
on the operators handle lifting the front wheels slightly.
Engage the clutch.  Slowly lower the unit into the turf.

DO NOT- 

Use this machine on any surface other than a lawn.

DO NOT- 

Use this machine on slopes in excess of 19°.

DO NOT- 

Allow persons unfamiliar with this equipment to

operate it.

DO NOT- 

Allow children to operate this equipment.

SLICE: 

Run machine over the area that has been seeded to

incorporate the seed into the soil.  If excessive damage
occurs to healthy grass, adjust the blade depth to decrease
damage.  Continue raking the yard, working in one direction
(i.e. north-south, or east-west).  

NOTE:

  If a large drop in

engine RPM occurs, or the unit pulls you forward and
bounces during operation the blade depth is set too low.

WATER/FERTILIZE: 

After the seed has been worked into

the soil, water and fertilize according to the seed suppliers
directions.

VERTI-CUTTING OPERATION

This unit is equipped with a folding upper handle for easier storage
and transportation.  The handle can be folded by sliding the handle
lock loops(item 28) up.  This releases the upper handle, allowing it to
be folded over the unit.

FOLDING HANDLE

This unit requires two people to lift it.  With the handle in the folded
position, lift holding the lower handle and belt/shaft guard one on
each side of the machine.  Secure the machine in place during
transport.

HANDLING & TRANSPORTING

All manuals and user guides at all-guides.com

all-guides.com

Содержание CR450S

Страница 1: ...eel for use in grasses that require vertical cutting and for assisting in lawn overseeding projects ACCESSORIES SLICING BLADES P N 350187 A full set of twenty blades for replacement Includes 40 new capscrews and lock nuts for replacement installation R 2 1 3 SPACER BUMPERS P N 350258 A complete replacement set 44 of 1 2 spacer bumpers and 4 of 1 4 spacer bumpers CR450S CR550HC CR550 CR550H ENGINE ...

Страница 2: ...ester is installed on the muffler The arrester must be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands 21 DO NOT touch hot muffler cylinder or fins because contact may cause burns 22 DO NOT run engine without air c...

Страница 3: ...nd operating instructions before begining work DO read all engine manufacturers operating and maintenance instructions DO inspect lawn before begining work Remove all rocks wire string or other objects that can present a hazard during work prior to starting DO identify and mark all fixed objects to be avoided during work such as sprinkler heads water valves buried cables or clothes line anchors et...

Страница 4: ... GREASE REEL BEARINGS AND LUBRICATE DEPTH CONTROL LEVER EVERY ENGINE OIL CHANGE ALWAYS ROTATE KNOB TO ADJUST BLADE DEPTH BLADES UP TRANSPORT POSITION BLADES DOWN OPERATING POSITION PROTECT BYSTANDERS FLYING DEBRIS BLADES UP BLADES DOWN 350224 LOOSEN JAM NUT BEFORE ADJUSTING BLADE DEPTH THEN TIGHTEN BACK TO LOCK IN PLACE Label Instructions Height Adjust Item 35 Part No 350224 WARNING 900327 Label D...

Страница 5: ...handle NOTE When engaging the blades in heavy load conditions i e heavy thatch or very uneven turf push down on the operators handle lifting the front wheels slightly Engage the blades Slowly lower the unit into the turf RAKE Rake a small test area and examine the results Thatch should be removed and deposited on top of the healthy grass If excessive damage occurs to healty grass adjust the blade ...

Страница 6: ...e slopes across not up and down This is much easier and safer for the operator and is better for the lawn Raking across will help to reduce runoff during watering and allow the sloped ground to hold more seed fertilizer and water The units maximum operating slope is 35 or 19 DEPTH The wide range of depth adjusment on your unit is provided to allow for blade wear Setting the reel deeper will not pr...

Страница 7: ...emove the belt item 9 by rotating the reel pulley item 2 and walking it out of the groove Discard old belt 4 Install new belt using same procedure to walk the belt into the groove 5 With new belt installed pull bail rod back to engaged position and measure extension of idler spring Spring should stretch 1 to 1 25 25 32 mm with bail engaged Adjust clutch cable as necessary to achieve this extension...

Страница 8: ...Part No 350245 Form No F011003A CR450S CR550 CR550HC CR550H Page 8 of 12 18 PARTS DRAWING R All manuals and user guides at all guides com ...

Страница 9: ... 1 2 8041030 7 8041030 7 8041030 7 8041030 7 35 WASHER 1 4 FLAT Z P 8171002 8 8171002 8 8171002 8 8171002 8 36 SCREWCAP 1 4 20X2 1 2 8041012 1 8041012 1 8041012 1 8041012 1 37 BELT FINGER WIRE 350301 1 350301 1 350301 1 350301 1 38 Cable Clutch Reel PR500 350181 1 350181 1 350181 1 350181 1 39 Spring Extension 350300 1 350300 1 350300 1 350300 1 40 Bolt Shoulder 1 2 X 1 500114 1 500114 1 500114 1 ...

Страница 10: ...1 2 350146 8 item PARTS CR500 QTY no LIST Part No 74 BLADE FLAIL 350205 52 78 CLIP LOCK 1 2 350146 8 item PARTS CR500 QTY no LIST Part No 73 SHAFT FLAIL BLADE 350141 4 74 BLADE FLAIL 350205 52 75 SPACER BUMPER 5 8 x 1 4 350143 4 76 SPACER BUMPER 5 8 x 1 2 350144 44 77 SHAFT WA FLAIL REEL 350145 1 78 CLIP LOCK 1 2 350146 8 79 WASHER 1 2 SAE 8172011 8 All manuals and user guides at all guides com ...

Страница 11: ...8 x 1 2 350144 44 item PARTS PR500 QTY no LIST Part No 80 SHAFT SLICING WA 350142 1 81 BLADESLICING REEL 350147 20 82 PLATEBLADEMTG 350253 20 83 SPACER BLADEMTG 350254 10 84 SPACER BLADEASSY 350150 9 85 SCREWCAP1 4 20 x 3 4 GR 5 350151 40 86 NUT LOCK 1 4 20 8160001 40 87 COLLAR SPACER 350152 1 88 WASHER 0 937 x 1 750 x 0 119 350153 1 89 WASHER LOCK 7 8 INT TOOTH 350154 1 90 NUT JAM 7 8 14 350155 1...

Страница 12: ...ocate a servicing dealer in your area you can contact the manufacturers national service organization To reach Briggs Stratton 800 233 3723 American Honda 800 426 7701 Subaru America 800 277 6246 Never store engine indoors or in enclosed poorly ventilated areas with fuel in tank where fuel fumes may reach an open flame spark or pilot light as on a furnace water heater clothes dryer or other gas ap...

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