Scag Power Equipment Lawn Mower SE 35BS User Guide

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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