MODEL SE-3.5BS
THIS MANUAL CONTAINS THE OPERATING
INSTRUCTIONS AND SAFETY INFORMA-
TION FOR YOUR SCAG EDGER. READING
THIS MANUAL WILL PROVIDE YOU WITH
MAINTENANCE AND ADJUSTMENT PROCE-
DURES TO KEEP YOUR EDGER PERFORM-
ING TO MAXIMUM EFFICIENCY. THE SPE-
CIFIC MODELS THAT THIS BOOK COVERS
ARE CONTAINED ON THE INSIDE COVER.
BEFORE OPERATING YOUR MACHINE,
PLEASE READ ALL THE INFORMATION EN-
CLOSED.
PART NUMBER 03070
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TABLE OF CONTENTS
SUBJECT
PAGE
Introduction.............................................................................................................. 1
Safety and Operating Instructions ........................................................................... 1-3
Setup & Operation ................................................................................................... 4-5
Maintenance ............................................................................................................ 6-8
Troubleshooting Guide............................................................................................. 9
Illustrated Parts List................................................................................................. 10-11
Limited Warranty Statement................................................................... Inside Back Cover
MEMBER
c
WE SUPPORT OPE
Equipment & Engine
Training Council
TECHNICIAN
CERTIFICATION
I
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INTRODUCTION
SAFETY AND OPERATING
INSTRUCTIONS
This manual has been prepared to provide the
information you need to correctly assemble, operate,
and maintain this edger. Read it carefully and keep it
for future reference.
CAUTION:
To avoid personal injury, it is imperative
that all safety instructions be observed.
The replacement of any part on this product by other
than the manufacturer's authorized replacement part
may adversely affect the performance, durability or
safety of this product.
n Read This Operator's Manual
A replacement manual is available from your authorized
Scag Service Dealer or by contacting: Scag Power
Equipment, Service Department at P.O. Box 152,
Mayville, WI 53050. Please indicate the complete
model and serial number of your Scag product when
orderingareplacementmanual.
USE OF OTHER THAN ORIGINAL SCAG
REPLACEMENT PARTS WILL VOID THE
WARRANTY.
If additional information or service is needed that is
not outlined in this manual, please contact your Scag
Power Equipment dealer. Scag dealers are trained in
the latest service methods and carry a full line of Scag
replacement parts.
Your edger is only as safe as YOU, the operator. As
with any power equipment, carelessness or error can
result in serious bodily injury. Improper maintenance
can also result in injury. To reduce the potential for
injury, follow these instructions on safe operation.
When ordering parts, always provide the complete
model and serial number of your edger.
n How To Use This Edger
All information provided in this manual is based upon
information available at the time of printing. Scag
Power Equipment reserves the right to make changes
at any time without notice or obligation.
1. Be thoroughly familiar with the controls and the
proper use of the machine.
2. Know how to stop the edger and disengage the
controlsquickly.
n Direction Reference
The "Right" and "Left", "Front" and "Rear" of the
machine are referenced from the normal operating
position.
3. Use the edger only on flower beds and lawns.
4. Always stay behind the handles. Stones and other
items thrown by the blade can cause serious injury
(See Figure 1, page 2).
n Servicing The Engine
The detailed servicing of the engine is not covered in
this manual. For service of the engine it is important
to contact your Scag Dealer or an authorized servicing
agent of the engine manufacturer. Any unauthorized
work performed on the engine will void the
warranty.
5. Do not modify or alter any component of the edger.
n Dress Properly
1. Wearsafetyglassesorgoggles.
2. Do not wear loose clothing or jewelry; they can be
caught in moving parts. Always wear long pants
that cover your legs.
1
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n Stay Alert
SAFETY AND OPERATING
INSTRUCTIONS (CONT'D)
1. Watch what you are doing. Use common sense.
n Dress Properly, cont.
2. Do not operate the edger when you are fatigued or
under the influence of alcohol or drugs.
3. Sturdy gloves and safety footwear are
recommended.
n Operate With Care
n Check The Edger Before Use
1. Keep hands, feet, and clothing well away from the
blade and moving parts.
1. Never operate the edger unless guards and other
protective devices are in place.
2. Don't overreach or stand on unstable ground.
Keep good footing and balance at all times.
2. Before you use the edger, make sure all nuts,
bolts, and screws are installed and properly
tightened.
3. Start the engine carefully. Stop the engine when
leavingtheedgerunattended.
3. Where applicable, check pulley setscrews and all
fastenersfortightnessandlubricateperiodically
as described in the maintenance section on pages
6 and 7.
4. Do not operate the edger with a damaged or
excessivelywornblade.
5. Never attempt to make adjustments when the edger
isrunning.
6. Never direct discharge of material toward people.
Use care in directing discharge to avoid glass
enclosuresorautomobiles.
7. Never operate the edger without good visibility or
light of day.
8. Stay alert for uneven sidewalks, holes in the
terrain, or other similar conditions when using the
edger. Always push slowly over rough ground.
9. Always keep the throttle in the STOP position
when the edger is not in use.
10. If the edger strikes a foreign object:
(1) stop the engine.
(2) disconnect the spark plug lead.
(3) inspect for damage.
(4) repair any damage before restarting and
operating the edger.
Projectile Path
Figure 1, Proper Operating Position
2
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3. After operating the edger, stop the engine and
allow the engine to cool before refueling.
SAFETY AND OPERATING
INSTRUCTIONS (CONT'D)
4. To reduce the risk of fire, replace the gasoline cap
securely after adding fuel to the tank.
n Keep Hands And Feet From Blade
5. Use an approved gasoline container.
6. Do not store gasoline in a house.
The rotating blade is sharp and can severely cut
body parts. The blade coasts after the edger is
turned off (See Figure 2).
7. If gasoline is spilled on the ground, move the edger
and the gasoline container from the area and do
not create a source of ignition.
8. If gasoline is spilled on clothing, remove the
stained clothes and replace them with clean, dry
clothes before operating the edger.
n Follow Maintenance Instructions
Carefully
1. Disconnect the spark plug lead before servicing any
part of the edger.
Figure 2, Protect Hands And Feet
2. To reduce the risk of fire, do not allow excessive
grass, leaves, lubricants or gasoline to accumulate
on the edger.
1. Keep both hands on the handles when the blade
isrotating.
2. Keep your feet and hands away from the cutting
area.
3. Do not attempt to make repairs other than those
identified in this manual. Repairs not detailed in
this manual should be performed by an authorized
Scag dealer. See that only identical replacement
parts are used.
PROPERYL
3. Do not attempt to remove cut material or hold
SECREVI
material to be cut when the engine is running or
ENGEI
the blade is moving.
WTHI
OLI
AND
4. Whencleaning, repairing, orinspectingtheedger,
make certain the blade and all moving parts have
stopped. Disconnect the spark plug wire.
4. Make sure the spark plug wire is disconnected
when clearing jammed material from the blade or
FUEL.
cutter head.
5. Whenliftingor transportingthe edger, firmlygrasp
a solid part of the frame. Do not lift the edger by
the clutch or height adjustment assemblies. Blade
is sharp! Be careful of the blade when lifting.
5. Disengage the blade and stop the engine when the
edger is transported or not in use.
n Handle Gasoline With Care
6. Do not run the edger indoors; exhaust fumes are
dangerous.
1. Gasoline is highly flammable. Never add
gasoline to a running or hot engine.
2. Refuel outdoors in an open area only. Never fill
the gasoline tankindoors.
3
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SAFETY AND OPERATING
INSTRUCTIONS (CONT'D)
Operatorpresenceshown
separatedforillustration
purposeonly.
n Protect Operators
1. Keep a safe distance between two or more
operators when working with a cutting crew at
the same site.
SETUP & OPERATION
n Assembly
Figure 3, Handle Setup
1. Install the upper handle assembly with hardware
as shown in Figure 3 using (4) 5/16-18 x 1" bolts,
and (4) 5/16-18 elastic stop nuts.
2. Attach the height adjustment index to the upper
handle assembly using (2) 5/16-18 x 1-1/2" hex
head bolts, (2) 5/16 flat washers and (2) 5/16-18
elastic stop nuts.
3. Install the tube-type control rod on right hand side
between the front wheel height lever and the
index quadrant using (4) hair pin cotters to secure
the control rod.
4. Install the operator presence safety control rod
with the long rod at the top and the short rod at
the idler pulley arm using (4) hair pin cotters.
Adjust the length of the rod for normal belt
tension (See Figure 4).
5. Fill the engine with oil as described in the engine
operator's manual. Lubricate all grease fittings
withlithium-basedgrease.
6. Fill the engine fuel tank with fresh unleaded
gasoline that has a minimum octane rating of 87.
Figure 4, Operator Presence Controls
4
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n Starting The Engine
SETUP & OPPERATION (CONT'D)
n Operating Instructions
Figure 5 is a general view of the edger.
CAUTION:
Be sure no one is standing near the blade.
Keep body parts away from the blade. Before
starting, clear operating area of foreign
objects, sticks, stones, etc.
Note: The right or left side of the edger refers to
the view from the normal operating position,
behind the handles.
Refer to the engine operator's manual for starting
instructions.
n Before Operation
1. Check the engine oil level as detailed in the
engine operator's manual.
n Operation
1. Move the edger to the working area.
2. Before starting the engine, be sure the blade has
a free arc of travel and the blade is fully raised.
Damage to the blade can result if the blade is not
in the highest position (See Figures 5 and 6).
2. Pull the operator presence safety levers up to
engage the blade (See Figure 7) and carefully
raise the front wheel until the blade is at the
desired cutting depth. When the height adjustment
lever is all the way forward, the blade is 1/2 inch
from the ground. The blade is lowered
approximately 1/4 inch for each notch in the
heightadjustmentindex.
Figure 5, Edger Controls
Figure 6, Edger Blade Controls
5
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4. Remove the oil drain plug and drain the oil into
an appropriate container.
SETUP & OPPERATION (CONT'D)
3. Push the edger forward slowly, adjust your pace
to the engine's capacity.
5. After the oil is drained, replace the drain plug
and refill the crankcase to the level specified in
the engine owner's manual.
6. Replace the oil cap.
7. Dispose of the used oil properly.
n Changing The Belt
1. Remove the flat bar belt guide at the front of the
spindle boom assembly (See Figure 8).
2. Remove the old belt.
3. Install the new belt. Do not attempt to pry or
force the belt into the pulley grooves as this may
damage the belt.
4. Replace the front belt guide.
Figure 7, Engaging The Blade
MAINTENANCE
CAUTION:
To prevent injury from rotating parts turn the
engine stop switch to OFF and disconnect the
spark plug wire from the engine before
attempting any maintenance.
n Changing Engine Oil
Oil should be changed after the first 20 hours of use
and then after every 50 hours of use.
1. Start the engine and allow it to warm up.
2. Turn the engine switch to OFF. Make sure the
blade has stopped turning. Disconnect the spark
plugwire.
Figure 8, Belt Replacement
3. Carefully clean all debris from around the oil
filler cap. Remove the cap.
6
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n Changing the Blade
MAINTENANCE (CONT'D)
CAUTION:
n Belt Tension
The blade is sharp! Wear gloves when
changing the blade. Do not operate the edger
with a damaged or excessively worn blade.
Always adjust the belt tension after changing the
belt. New belts may stretch. Excess tension on the
belt will make holding the clutch difficult and cause
the belts to wear.
Note: Blades must be balanced before installation
To adjust belt tension (See Figure 9):
to prevent vibration and wear to the edger.
1. Remove the cotter pin from the lower control rod
and disconnect the lower control rod from the
idlerpulleyassembly.
1. While holding the hex bolt head by the spindle
pulley, remove the nut and washer and carefully
remove the blade from the assembly (See Figure
10).
2. To increase the belt tension, loosen the hex nut
and turn the lower control rod to shorten the rod.
Retighten the nut after the rod is reinstalled.
2. Install the new blade.
3. Replace the nut and washer.
4. Tighten the nut securely. Keep the spindle shaft
from rotating with a wrench on the hex nut located
on the pulley.
Figure 10, Blade Replacement
Figure 9, Belt Tension
7
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MAINTENANCE (CONT'D)
n Rubber Debris Deflector
Replace the rubber deflector when worn or damaged
to prevent operator injury.
n Lubrication
Grease the edger periodically at the points shown on
Figure 11. Use lithium-based grease.
Note: The spindle bearings are sealed and
permanently lubricated. They should require no
maintenance.
Figure 11, Lubrication
8
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TROUBLESHOOTING GUIDE
Problem
Cause
Engine fails to start
Fuel level is low.
Spark plug lead wire disconnected.
Throttle or choke not in starting position.
Spark plug defective.
Carburetor improperly adjusted.
Old/stalegasoline.
Engine kill switch in off position.
Hard starting or loss of power
Operationerratic
Carburetor improperly adjusted.
Spark plug wire loose.
Dirty air cleaner.
Dirtingasolinetank.
Dirty air cleaner.
Water in fuel supply.
Vent in gas cap and/or carburetor plugged.
Carburetor improperly adjusted.
Engine skips at high speed
Engine idles poorly
Spark plug fouled, faulty, or gap too wide.
Carburetor improperly adjusted.
Dirty air cleaner.
Carburetor idle speed too slow.
Carburetor improperly adjusted.
Spark plug gap too close.
Carburetor idle mixture improperly set.
9
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LAWN EDGER SE-3.5BS
30
1
29
30
28
26
34
53 15
19
36
2
5
COMMERCIAL EDGER
R
32
22
23
18
9
8
54
3
A
6
7
54
4
12
3
21
20
10
15
20(REF.)
37
37
3
14 11
13
38
24
36
16
9
18
39
4
46
49
40
41
36
43
44
63
24
44
A
4
13(REF.)
35
46
43
481043
WARNING
17
12
51
39
36
USE EYE PROTECTION. ROTATING BLADE MAY THROW OBJECTS.
KEEP AREA CLEAR OF BYSTANDERS TO REDUCE RISK OF INJURY.
DO NOT OPERATE WITHOUT GUARDS IN PLACE. DO NOT LEAVE
ENGINE RUNNING UNATTENDED. READ OPEATOR'S MANUAL
BEFORE USE.
18
27
47
4
42
25
48
62
57
52 49
50
59
54
3
4
50(REF.)
39
60
49
58
54
59
45
61
53
46
31
33
52
49
56
45
54
3
55
390S0184
49
10
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LAWN EDGER SE-3.5BS
Ref. Part
No. No.
Description
32 04012-04 Set Screw, 5/16-18 x 3/8"
33 04030-02 Lockwasher, 1/4" Spring
1
2
3
4
5
6
7
8
9
481886
Engine, 3.5 HP. Briggs & Stratton
04001-12 Bolt, Hex Head 5/16-18 x 1.75"
04030-03 Lockwasher, 5/16" Spring
04021-10 Locknut, 5/16-18 Hex Elastic Stop
04063-05 Key, 3/16 x 3/16 x 1.50"
48451
45291
44048
34 48454
Decal, SCAG
35 481043
Decal, Warning
36 04062-02 Hair Pin, .080 x 1.19
37 48100-05 Bearing, Oilite
Pulley, 2.50 Dia. - .75 Bore Engine
Engine Adapter Bracket
Belt Guide, Engine
38 44039
Control Rod, Upper
39 04001-09 Bolt, Hex Head 5/16-18 x 1"
40 45269
41 45226
42 42591
43 43141
44 48446
45 43211
Control Rod, Lower
Frame Weldment, Engine Deck
Debris Guard
Spacer, Rear Wheel
Wheel, Rear
04041-07 Flatwasher, 3/8" (.391 x .938 x .105)
10 04001-16 Bolt, Hex Head 5/16-24 x 1.25"
11 04001-43 Bolt, Hex Head 5/16-24 x .75"
12 48114-04 Grease Fitting
13 46321
Idler Pulley Arm Assy.(Includes
Bushings & Grease Fittings)
Washer, Step 2.00" Dia.
46 04021-07 Nut, 1/2-13 Hex Elastic Stop
14 04050-02 Retaining Ring, 3/4" External "E"
15 04001-21 Bolt, Hex Head 3/8-16 x 1.75"
16 48441
17 04030-04 Lockwasher, 3/8" Spring
18 04021-09 Nut, 3/8-16 Hex Elastic Stop
19 48144
20 45229
21 43147
47 45228
48 48453
Spindle Boom Weldment
Rubber Deflector
Pulley, Idler
49 04020-03 Nut, Hex 5/16-18
50 46359
Blade Guard, With Decal
51 04001-84 Bolt, 1/2-13 x 4-1/2" Hex Head
52 04004-11 Stud, 5/16-18 x 3" Grade 5
Grip, Height Adjustment Lever
Height Adjustment Lever
Index Pin
53 48452
54 04040-04 Flatwasher, 5/16" (.344 x .688 x .065)
55 48444 Blade
56 04020-07 Nut, Hex 1/2-13
Belt
22 04041-10 Flatwasher, 3/8" (.375 x 2.0 x .060)
23 48050
24 45288
25 43138
26 42595
Spring
Control Rod, Wheel Height Adjustment
Sleeve
Plate, Height Adjustment Index
57 48626
58 43139
59 48442
60 42584
61 48440
62 45231
Pulley Spindle
Shaft, Spindle
Bearing, Spindle
Belt Guide
Wheel, Front
Bracket, Front Wheel
27 04020-04 Nut, Hex 3/8-16
28 04001-11 Bolt, 5/16-18 x 1-1/2" Hex Head
29 461178
30 48448
31 04001-44 Bolt, Hex Head 1/4-20 x 1/2"
Handle Assembly, (Includes Grips & Decal)
Grip, Handle
63 04001-47 Bolt, Hex Head 3/8-16 x 5"
* Common hardware which should be purchased locally. All bolts Grade 5 plated, all other fasteners zinc plated.
WARNING
USE EYE PROTECTION. ROTATING BLADE MAY THROW OBJECTS.
KEEP AREA CLEAR OF BYSTANDERS TO REDUCE RISK OF INJURY.
DO NOT OPERATE WITHOUT GUARDS IN PLACE. DO NOT LEAVE
ENGINE RUNNING UNATTENDED. READ OPERATOR'S MANUAL
R
COMMERCIAL EDGER
BEFORE USE.
481043
481043
48454
11
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LIMITED WARRANTY- COMMERCIAL ACCESSORY
AnypartoftheScagcommercialaccessorymanufacturedbyScagandfound,inthereasonablejudgmentofScag,
tobedefectiveinmaterialorworkmanship,willberepairedorreplacedbyanAuthorizedScagServiceDealerwithout
charge for parts and labor.
The Scag accessory, including any defective part, must be returned to an Authorized Scag Service Dealer within
the warranty period. The expense of delivering the accessory to the dealer for warranty work and the expense of
returningitbacktotheownerafterrepairorreplacementwillbepaidforbytheowner. Scag’sresponsibilityinrespect
toclaimsislimitedtomakingtherequiredrepairsorreplacements,andnoclaimofbreachofwarrantyshallbecause
for cancellation or rescission of the contract of sale of any Scag machine. Proof of purchase will be required by the
dealer to substantiate any warranty claim. All warranty work must be performed by an Authorized Scag Service
Dealer.
This warranty is limited to 90 days from the date of original retail purchase for any Scag accessory that is used for
commercial purposes, or any other income-producing purpose including rental use.
This warranty does not cover any accessory that has been subject to misuse, neglect, negligence, or accident, or
thathasbeenoperatedinanywaycontrarytotheoperating instructionsasspecifiedintheOperator'sManual. The
warranty does not apply to any damage to the accessory that is the result of improper maintenance, or to any
accessory or parts that have not been assembled or installed as specified in the Operator's Manual.
The warranty does not cover any accessory that has been altered or modified. In addition, the warranty does not
extend to repairs made necessary by normal wear, or by the use of parts or accessories which, in the reasonable
judgment of Scag, are either incompatible with the Scag mower or adversely affect its operation, performance or
durability. This warranty does not cover engines and electric starters, which are warranted separately by their
manufacturer.
ScagPowerEquipmentreservestherighttochangeorimprovethedesignofanyaccessorywithoutassumingany
obligation to modify any accessory previously manufactured.
All other implied warranties are limited in duration to the 90 day warranty period. Accordingly, any such implied
warranties including merchantability, fitness for a particular purpose, or otherwise, are disclaimed in their entirety
after the expiration of the appropriate ninety day warranty period. Scag’s obligation under this warranty is strictly
andexclusivelylimitedtotherepairorreplacementofdefectivepartsandScagdoesnotassumeorauthorizeanyone
toassumeforthemanyotherobligation. Somestatesdonotallowlimitationsonhowlonganimpliedwarrantylasts,
so the above limitation may not apply to you.
Scagassumesnoresponsibilityforincidental,consequentialorotherdamagesincluding,butnotlimitedto,expense
forgasoline, oil, expenseofdeliveringthemachinetoanAuthorizedScagServiceDealerandexpenseofreturning
it back to the owner, mechanic’s travel time, telephone or telegram charges, rental of a like product during the time
warranty repairs are being performed, travel, loss or damage to personal property, loss of revenue, loss of use of
the mower, loss of time, or inconvenience. Some states do not allow the exclusion or limitation of incidental or
consequential damages, so the above limitation or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
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© 1998
PART NO. 03070
PRINTED 12/98
PRINTED IN USA
SCAG POWER EQUIPMENT
DIVISION OF METALCRAFT OF MAYVILLE, INC
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