Scag Power Equipment SWZ-20FS Operator'S Manual Download

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PART NO. 03268 Rev. 2

PRINTED 11/2010

PRINTED IN USA

Scag Power Equipment

Division of Metalcraft of Mayville, Inc.

Congratulations on owning a Scag mower! This manual contains the operating

instructions and safety information for your Scag mower. Reading this manual

can provide you with assistance in maintenance and adjustment procedures to

keep your mower performing to maximum efficiency. The specific models that

this book covers are listed on the inside cover. Before operating your machine,

please read all the information enclosed.

SWZ

Walk-Behind

Model:

SWZ36A-16FS

SWZ36A-16FS-LE

SWZ48V-18FS

SWZ48V-18FS-LE

SWZ52V-20FS

SWZ-20FS

SWZ-22FSE

OPERATOR’S

MANUAL

Summary of Contents for SWZ-20FS

Page 1: ...your Scag mower Reading this manual can provide you with assistance in maintenance and adjustment procedures to keep your mower performing to maximum efficiency The specific models that this book cove...

Page 2: ...only one person at a time REMEMBER YOUR MOWER IS ONLY AS SAFE AS THE OPERATOR Hazard control and accident prevention are dependent upon the awareness concern prudence and proper training of the perso...

Page 3: ...CTIONAL DECALS 7 SPECIFICATIONS SECTION 3 8 3 1 ENGINE 8 3 2 Electrical 8 3 3 ENGINE DECK 8 3 4 Cutter Deck 9 3 5 Weights and Dimensions 9 3 6 PRODUCTIVITY 9 OPERATING INSTRUCTIONS SECTION 4 10 4 1 CO...

Page 4: ...System 28 7 6 Engine Air Cleaner 29 7 7 Battery eLECTRIC START MODELS 29 7 8 CUTTER BLADES 30 7 9 TIRES 31 ILLUSTRATED PARTS LIST SECTION 8 32 8 1 SCAG APPROVED ATTACHMENTS AND ACCESSORIES 32 CASTER...

Page 5: ...BER PLATE LOCATION Mower Serial Number Plate Location Figure 1 1 GENERAL INFORMATION USE ONLY SCAG APPROVED ATTACHMENTS AND ACCESSORIES Attachments and accessories manufactured by companies other than...

Page 6: ...ly Variable Linear Cutting Element Basic Symbol 481039S Pinch Point Cutting Element Engage Hour meter Elapsed Operating Hours Cutting Element Disengage STT Models Seat must be installed under the seat...

Page 7: ...l contains important information about safety To avoid injury and possible death carefully read the message Be sure to fully understand the causes of possible injury or death Signal Word It is a disti...

Page 8: ...ment with the interlock system disconnected or malfunctioning Be sure the interlock switches are functioning 10 correctly Fuel is flammable handle it with care Fill the fuel 11 tank outdoors Never fil...

Page 9: ...chments when 14 transporting or when not in use The machine and attachments should be stopped 15 and inspected for damage after striking a foreign object and damage should be repaired before restartin...

Page 10: ...maged decals Use jack stands to support components when 11 required Carefully release pressure from components with 12 stored energy WARNING Hydraulic fluid is under high pressure and can penetrate sk...

Page 11: ...ore servicing Use caution in directing discharge Read instruction manual before operating ROTATING BLADES AND BELTS DO NOT OPERATE UNLESS GRASS CATCHER MULCHING KIT OR DISCHARGE CHUTE IS INSTALLED 483...

Page 12: ...System Hydraulic Drive with Two Variable Displacement Pumps and Two Cast Iron High Torque Wheel Motors Hydraulic Pumps Two Hydro Gear model PG Series 10 cc Hydraulic Pumps with Dump Valves for moveme...

Page 13: ...te Black Polypropylene Plastic Flexible Spindles Cast Iron Housing Tapered Roller Bearings with Top Access Grease Fitting and Grease Overfill Relief Poppet Spindle Pulleys Split Steel with Tapered Loc...

Page 14: ...rive Pushing down on the switch will disengage the deck drive Engine Choke Control Figure 4 1 3 Used to start a cold engine Engine Throttle Control Figure 4 1 4 Used to control the engine speed Pushin...

Page 15: ...hours of operation See Section 7 4 Check for loose hardware Tighten as needed 3 Check interlock system for proper operation See 4 Section 4 2 Check tire pressure Adjust pressure if necessary 5 See Sec...

Page 16: ...rear for persons and obstructions Clear the area before backing up Possible injury or property damage could occur To travel in reverse pull steering control levers upward Keep the travel speed low whi...

Page 17: ...the key AFTER OPERATION 4 9 Wash the entire mower after each use Do not 1 use high pressure spray or direct the spray onto electrical components IMPORTANT Do not wash a hot or running engine Cold wat...

Page 18: ...ects downward Direct the side discharge away from sidewalks or streets to minimize cleanup of clippings When mowing close to obstacles direct the discharge away from the obstacles to reduce the chance...

Page 19: ...ng Strips of Uncut Grass in Cutting Path Width of Deck SGB018 Dull worn blades Sharpen blades Incorrect blade sharpening Sharpen blades Low engine RPM Run engine at full RPM Belt slipping Adjust belt...

Page 20: ...er Bent spindle area See your authorized SCAG dealer Dull blade Sharpen blade Uneven Cut on Uneven Ground WavyAppearance High Low Scalloped Cut or Rough Contour Width of Deck SGB021 Uneven ground May...

Page 21: ...t Ground speed too fast Slow speed to adjust for conditions Wet grass Cut grass after it has dried out Step Cut Ridge in Center of Cutting path Width of Deck SGB024 Blades not mounted evenly Adjust pi...

Page 22: ...ise just until the LH wheel starts to creep forward Make note of the position of the adjustment nut Repeat on the right side as needed See Figure 6 1 Turn the adjustment nut clockwise just until the 5...

Page 23: ...the machine does not creep forward on the adjusted wheel If the machine creeps in neutral you have moved out 5 of the neutral band and will have to turn the tracking adjustment nut clockwise until th...

Page 24: ...at 1 4 inch intervals Due to many cutting conditions that exist it is difficult to suggest a cutter deck setting that will work for every lawn There are two adjustments that can be made to the cutter...

Page 25: ...owered to precisely tailor the deck s performance for the type of grass being cut The baffle can be set in seven 7 different positions for optimum performance A 3 1 2 or 3 3 4 Position See Figure 6 10...

Page 26: ...m Cut Baffle Adjustment Mounting Slot Selected Mounting Hardware Location Slot A Hole 1 Hole 2 Hole 3 Hole 4 Height inches 3 3 4 4 1 4 4 3 4 5 1 4 Slot B Hole 2 Hole 3 Hole 4 Height inches 3 1 2 4 4 1...

Page 27: ...Adjustment Figure 6 11 Locate the inspection windows on the clutch 1 Place a 0 015 feeler gauge in the slot between the 2 rotor and the armature See Figure 6 12 INSERT 0 015 FEELER GAUGE HERE Clutch...

Page 28: ...e paragraph 7 7 X Check tire pressure See paragraph 7 10 X Check belt tension See paragraph 6 3 X Check the operator interlock system See paragraph 4 2 X Change engine oil and filter See paragraph 7 3...

Page 29: ...raph 6 6 Perform these maintenance procedures more frequently under extreme dusty or dirty conditions Lubrication 7 2 GREASE FITTING LUBRICATION CHART LOCATION LUBRICATION INTERVAL LUBRICANT NO OF PLA...

Page 30: ...on Fitting Points Figure 7 1 390S0177 GREASE FITTING LUBRICATION LUBRICANT INTERVAL LITHIUM MP WHITE GREASE 2125 40 HOURS WEEKLY CHASSIS GREASE 100 HOURS BI MONTHLY CHASSIS GREASE 200 HOURS MONTHLY 4...

Page 31: ...ion Thereafter check the oil after every 200 hours of machine operation or monthly whichever occurs first IMPORTANT If the oil level is consistently low check for leaks and correct immediately Wipe di...

Page 32: ...ing Engine Crankcase Oil Level The engine oil level should be checked after every 8 hours of operation or daily as instructed in the Engine Operator s Manual furnished with this mower B Changing Engin...

Page 33: ...rer Replace the air cleaner cover and secure 4 Battery eLECTRIC START MODELS 7 7 WARNING Lead acid batteries produce flammable and explosive gases To avoid personal injury when checking testing or cha...

Page 34: ...rs or the temperature exceeds 125 F the charging rate must be reduced or temporarily stopped to permit cooling B Jump Starting The booster battery must be a 12 volt type If a 1 vehicle is used for jum...

Page 35: ...rotection when working with cutter blades Remove the ignition key before replacing the blades 1 Remove the belt cover 2 Secure the cutter blades to prevent them from 3 rotating use the optional Blade...

Page 36: ...es other than Scag Power Equipment are not approved for use on this machine Scag approved attachments and accessories Mulch Plate p n 9258 9286 9287 9288 Hurricane Mulch p n 9263 9283 9284 9285 GC 4D...

Page 37: ...6082 Support Assembly Incl 3 4 6 45006 Caster Yoke 7 04021 07 Nut Elastic Stop 1 2 13 8 43022 Sleeve Caster Wheel Bearing 9 04001 37 Bolt Hex Head 1 2 13 x 5 1 2 10 9275 Flat Free Tire Assy Incl 11 12...

Page 38: ...20A 22 29 11 27 26 28 29 27 30 28 11 32 31 26 34 36 35 33 33 SW2011CD36A 23 25 53 2 8 46 5 54 3 49 47 6 50 51 48 5 A 24 39 11 10 17 16 15 15A 12 11 13 21 7 30A 23A 52 52 19 57 55 58 56 25 43 59 60 61...

Page 39: ...top Hex Hd Bolt 5 16 18 x 1 Belt Cover Assy Incl Decal Belt Cover Assy Incl Decal Flat Washer 3 8 Special Wing Nut 3 8 16 Pulley Tapered Hub Hex Hd Bolt 1 4 20 x 1 Hex Nut 5 8 11 Belt Blade Drive Belt...

Page 40: ...16 15 15A 11 64 65 11 12 17 38 71 14 14 18 22 1 24 26 34 37 35 40 39 30 11 28 4 29 30 28 32 29 11 33 11 29 30 28 4 49 36 62 45 25 62 36 47 25 9 25 36 26 48 25 43 21 67 22 13 A 72 31 26 19 23 20 50 73...

Page 41: ...rive Belt RH Blade Drive Belt Blade Drive Belt Blade Drive Nut 3 8 16 Nut Centerlock Nut 3 8 16 Serrated Flange Nut 3 8 16 Elastic Stop Bolt 5 16 18 x 1 Hex Head Bolt 5 16 18 x 1 Hex Head Cpscrw 1 2 1...

Page 42: ...15 15A 11 64 65 11 12 17 38 71 14 14 18 22 1 24 26 34 37 35 40 39 30 11 28 4 29 30 28 32 29 11 33 11 29 30 28 4 49 36 62 45 25 62 36 47 25 9 25 36 26 48 25 43 21 67 22 13 A 72 31 26 19 23 20 50 73 2 7...

Page 43: ...16 Large U Nut 3 8 16 Tapered Hub Bolt 1 4 20 x 1 Hex Head Grade 8 Nut 5 8 11 Hex Pulley Double Belt RH Blade Drive Belt Blade Drive Nut 3 8 16 Nut Centerlock Nut 3 8 16 Serrated Flange Nut 3 8 16 Ela...

Page 44: ...40 R Section 8 ENGINE DECK MANUAL START ENGINE DECk MANUAL START SWZ 2011 EDMAN 10 8 8A 3 14 13 18 9 7 7A 5 11 12 12A 15 17 1 19 16 16A 4 6 4 2 20...

Page 45: ...i Spec FS541V XXXX Engine 20HP Kawasaki Spec FS600V XXXX Plate Clutch Bracket Clutch Bracket Clamp Bolt Carriage 5 16 18 x 1 Nut 5 16 18 Elastic Stop Pulley Guard 16 Small Frame Pulley Guard 20 Large...

Page 46: ...R Section 8 ENGINE DECK ELECTRIC START SWZ 2011 EDELCT 5 10 12 13 11 14 15 19 18 16 26 6 17 8 32 7 9 RED BLK 25 26 33 30 31 23 22 29 28 20 21 3 4 27 1 24 30 28 30 2 34 35 36 37 38 39 40 41 42 43 44 4...

Page 47: ...1 4 Heatshield 20 Large Frame Carriage Bolt 5 16 18 x 75 Rubber Boot Battery Box Battery Cable 31 5 Black Cable Tie Battery Not Available Through Scag Bolt 1 4 20 x 1 2 Nut 1 4 20 Pad Battery Cover W...

Page 48: ...ND BRAkE COMPONENTS 50 47 50 24 24A 25 34 36 37 41 1 39 38 38 51 42 42 46 47 53 44 35 SWZ05D BC 3 3A 43 2 7 8 A 4 6 26 27 28 33 31 32 29 30 23 22 B 5 B 54 55 56 57 58 59 60 56 17 12 13 15 14 16 20 18...

Page 49: ...rr Flange Bushing Brake Grease Fitting Brake Actuator Weldment LH Brake Actuator Weldment RH Bolt 3 8 16 x 2 1 4 Tire 16 x 6 50 4 ply Rim Assy Lock Washer Wheel Motor Hex Castle Nut 3 4 28 UNEF Nut Lu...

Page 50: ...1 18 19 28 10 42 12 40 SWZ08SFHAN 40 60 75 82 61 86 85 80 81 88 79 B 76 99 65 98 73 93 78 79 B 95 58 63 48 61 88 37 66 52 82 66 6 73 46 43 70 44 45 51 42 47 49 11 24 72 C 3 C 33 78 53 97 84 57 92 100...

Page 51: ...75 Nut Elastic Stop 3 8 16 Flange Bearing Capscrew 5 16 18 x 1 Serr Flg Nut 5 16 18 Serrated Flange Plate Side Spacer Neutral Bearing Bearing Speed Ctrl Bellcrank Hex Head Bolt 5 16 18 x 1 3 4 Spring...

Page 52: ...9 17 14 13 11 18 19 28 16 24 25 31 10 42 12 40 SWZ 08 LFHAN 75 76 74 71 40 60 101 82 A A 61 86 85 80 81 88 79 B 100 98 65 97 73 93 78 79 B 94 58 63 48 61 88 37 66 52 82 66 6 73 46 43 70 44 45 51 42 47...

Page 53: ...8 16 Flange Bearing Capscrew 5 16 18 x 1 Serr Flg Nut 5 16 18 Serrated Flange Plate Side Spacer Neutral Bearing Bearing Speed Ctrl Bellcrank Hex Head Bolt 5 16 18 x 1 3 4 Spring Return Spacer Side Pl...

Page 54: ...8 SWZ FUEL SYSTEM EPA PHASE 2 models produced prior to 1 1 2011 2011 SWZ Standard Fuel System FUEL SYSTEM EPA COMPLIANT PHASE 2 Models produced prior to 1 1 2011 To Fuel Pump 1 2 3 4 5 6 7 8 9 10 10...

Page 55: ...auge Assembly incl 4 4 484242 Seal Fuel Gauge 5 482571 Bushing 56 Dia Viton 6 483747 Ball Valve w Screen 7 48059 01 Clamp Fuel Hose 8 483617 Fuel Hose 1 4 ID order by inch 9 Fuel Filter 10 Clamp Fuel...

Page 56: ...ced after 1 1 2011 2011 SWZ EPA Phase 3 Fuel System FUEL SYSTEM EPA PHASE 3 produced after 1 1 2010 To Fuel Pump To Engine Purge Port Tank Purge A A B B 3 2 1 4 5 6 7 8 9 10 10 11 15 16 17 18 19 19 20...

Page 57: ...Vapor Recovery 1 4 order by inch 13 04030 03 Lockwasher 5 16 Spring 14 04001 09 Bolt Hex Head 5 16 18 x 1 15 484287 Carbon Canister 16 484285 Grommet Viton 17 484333 Fitting Remote Vent 18 484343 01 M...

Page 58: ...fter 1 1 2010 2011 SWZ CARB Fuel System FUEL SYSTEM C A R B COMPLIANT TEIR 3 LE Models Only produced after 1 1 2010 To Fuel Pump To Engine Purge Port Tank Purge A A B B 3 2 1 4 5 6 7 8 9 10 10 11 15 1...

Page 59: ...5 x 875 x 083 13 04030 03 Lockwasher 5 16 Spring 14 04001 09 Bolt Hex Head 5 16 18 x 1 15 484287 Carbon Canister 16 484285 Grommet Viton 17 484333 Fitting Remote Vent 18 484343 01 Mender 1 4 x 3 16 w...

Page 60: ...D F G 3 5 13 20 18 12 B 5 6 7 29 22 25 10 10 19 19 21 27 26 28 10 10 G F 23 23 23 11 6 6 11 E D 22 23 13 12 15 32 C 1 2 3 5 9 4 14 2005SWZ HA 24 11 11 28 11 11 11 23 23 20 12 6 C 23 A A 31 29 4 23 12...

Page 61: ...15 482477 Tee 3 8 O Ring x JIC x 1 2 Hose 16 422794 Strap Hydraulic Tank 17 422793 Bracket Hydraulic Tank 18 04017 16 Capscrew 5 16 18 x 75 Serr Flange 19 48603 04 O Ring 20 482266 01 Elbow 9 16 O Rin...

Page 62: ...58 R Section 8 HYDRAULIC PUMP ASSEMBLY O v e r h a u l S e a l K i t 1 2 3 4 5 6 7 8 9 10 28 24 26 11 12 13 14 15 22 23 20 21 18 17 16 19 27 29 25 24 PORT A SIDE PORT B SIDE...

Page 63: ...7 x 40 x 12 13 HG 51161 Lip Seal 14 HG 50329 Retaining Ring 15 HG 50951 Spacer 16 HG 70331 Cylinder Block Kit 17 HG 2003014 Block Spring 18 HG 2003017 Block Thrust Washer 19 HG 51444 Valve Plate 20 HG...

Page 64: ...6 SWZ2003WH482686 WIRE HARNESSES MAGNETO GROUND DIODE 600V 6A CLUTCH YELLOW BLACK WHITE BLUE BLUE WHITE BLACK W RED STRIPE BLACK BLACK BLUE BLUE BLACK WHITE WHITE WHITE RECTIFIER INSTRUMENT PANEL HARN...

Page 65: ...482687 ENGINE DECK WIRE HARNESS ELECTRIC START PART NO 484283 MAGNETO GROUND CLUTCH RECTIFIER INSTRUMENT PANEL HARNESS NEUTRAL INTERLOCK FUEL SOLENOID STARTER SOLENOID DIODE 600V 6A YELLOW BLACK WHITE...

Page 66: ...idor Scag Make sure guards shields safety devices are in place working Clear area of children bystanders debris Mow across face of slopes Trained operators only WARNING MANUFACTURED UNDER ONE OR MORE...

Page 67: ...63 R Section 8 11 12 14 482297 13 Heavy Duty Commercial 481971 15 REPLACEMENT DECALS AND INFORMATION PLATES 10 481423 SPEED CONTROL SLOW FAST NEUTRAL N 481124...

Page 68: ...lus 483201 Decal 61 Velocity Plis 14 481971 Decal Heavy Duty Commercial 15 481124 Decal Speed Control 16 481942 Decal Scag Zero Turn 17 481425 Decal Oil 18 482799 Decal Tracking Adjustment 19 482816 D...

Page 69: ...fter repair will be paid for by the owner Scag s responsibility is limited to making the required repairs and no claim of breach of warranty shall be cause for cancellation or rescission of the contra...

Page 70: ...2010 Scag Power Equipment Division of Metalcraft of Mayville Inc...

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