Scag Power Equipment SWMU-52A, Operator'S Manual

Page 1: ...MOWER READING THIS MANUAL CAN PROVIDE YOU WITH ASSISTANCE IN MAINTENANCE AND AD JUSTMENT PROCEDURES TO KEEP YOUR MOWER PERFORMING TO MAXIMUM EFFI CIENCY THE SPECIFIC MODELS THATTHIS BOOK COVERS ARE CONTAINED ON THE INSIDE COVER BEFORE OPERATINGYOUR MACHINE PLEASE READ ALL THE INFOR MATION ENCLOSED PART NUMBER 03101 ...

Page 2: ...AFE AS THE OPERATOR Hazard control and accident prevention are dependent upon the awareness concern prudence and proper training of the personnel involved in the operation transport maintenance and storage of the equipment This manual covers the operating instructions and illustrated parts list for SWZU36A 15KA with a serial number of 7400001 to 7409999 SWZU48A 17KA with a serial number of 7410001...

Page 3: ...ocedures 6 Mower Operation 6 Cutter Deck Belt Adjustments 7 Cutter Deck Adjustments 8 Blade Height Adjustments 8 Cutter Blades 9 Neutral Adjustment 9 Steering Control Rod Adjustment 10 Tracking Adjustment 10 Parking Brake 10 Lubrication and Maintenance Chart 11 Troubleshooting Cutting Conditions 12 14 Technical Specifications 15 16 Notes 17 I WE SUPPORT OPE TECHNICIAN CERTIFICATION ...

Page 4: ...utter Deck Frame 52 61 Large Frame 26 27 Engine Deck 28 29 Drive And Brake Components 30 31 Handle Assembly 32 33 Hydraulic Assembly 34 35 Hydraulic Pump Assembly 36 37 Engine Deck Wire Harness 15KA 17KA 38 HandleWire Harness Manual Start 38 Engine Deck Wire Harness 21HP KA Electric Start 39 HandleWire Harness 21HP KA Electric Start 39 Replacement Decals 40 41 Warranty Statement Inside Back Cover ...

Page 5: ...aximum efficiency of your mower depends on you following theoperating maintenanceandadjustmentinstruc tions in this manual We encourage you to contact your dealer for repairs All Scag dealers are informed of the latest methods to service this equipment and provide prompt and efficient service in the field or at their service shop They carry a full line of Scag service parts A replacement Operator ...

Page 6: ...art Spring Tension on Idler Oil Off Stop SYMBOL DESCRIPTION SYMBOL DESCRIPTION ISO Symbols Spinning Blade 48071S Parking Brake WARNING FALLING HAZARD USE ONLY SCAG APPROVED RIDING ATTACHMENTS SEE OPERATOR S MANUAL 481109 Falling Hazard ...

Page 7: ...t Engage Cutting element Basic symbol Cutting element Disengage Continuously variable Linear Read operator s manual Keep bystanders away Pinch Point 481039S SYMBOL DESCRIPTION SYMBOL DESCRIPTION Hourmeter elapsed operating hours ...

Page 8: ...the blade engagement switch to the OFF position apply the parking brake and move the neutral latches to neutral WHILE OPERATING 1 Start the engine when the neutral latches are in the neutral lock position the cutter blades are disen gaged the parking brake is on and the speed adjustment lever is in the neutral position 2 Do not run the engine in a confined area without adequate ventilation Exhaust...

Page 9: ... remove thekey 14 Use only Scag approved riding attachments ScagApprovedRidingAttachments RS ZT Usingunapprovedattachments especially stand up ridingattachments maybehazardous MAINTENANCE AND STORAGE 1 Disconnect the spark plug wire from the spark plug to prevent accidental starting of the engine when servicing adjusting or storing the machine 2 If the mower must be tipped to perform mainte nance ...

Page 10: ... Apply lubricant to all the grease fittings Lubri cant was applied at the factory This is just a precautionary check to make sure that all the fittings have been lubricated gasoline Open the fuel valve on the bottom of the fuel tank NOTE Use gasoline with an octane rating no less than 87 Thespeedadjustmentlevermustbein NEU TRAL The blade clutch switch must be in the OFF position The neutral latche...

Page 11: ...eezingthesteeringbrakeleverswithboth hands releasebothneutrallatches 8 Whenthesteeringbrakeleversarereleased the machinewilltravelstraight Tomakearightturn squeezetheRHlever Toturnleft squeezetheLH lever ire pressure can be adjusted for WARNING Figure 1 Dump Valves CUTTER DECK BELT ADJUSTMENTS NOTE All the belts on the SWZU are spring loaded and do not require adjustment Check the belts for excess...

Page 12: ...tionkey 2 While holding up on the deck support handle removethetwohairpinsfromtheadjustingpinson one side of the cutter deck See Figure 2 3 Lift or lower the deck to the desired cutting height and reinstall the hairpins A deck height decal is located on the deck mounting frame as an aid in adjusting the deck to the desired height 4 Repeat the above process on the opposite side of the cutter deck R...

Page 13: ...f setup and normally does not need to be adjusted If however you find that neutral has come out of adjustment follow the procedure below 1 Raise the drive wheels off the ground and block the caster wheels 2 Make sure the speed control lever is in neutral the steering control levers are in the neutral latch position and the parking brake is on Start the engine 3 Releasetheparkingbrakeandnoteiftheti...

Page 14: ...rrodoneithersideofthe machinetoobtainproperbrakeadjustment STEERING CONTROL ROD ADJUSTMENT NOTE This adjustment is made to allow the steering control levers to be moved out of the neutral latch without engaging reverse Before making this adjustment be sure that the speed control bearing is just touching the speed control cam and that the bellcrank bearing is resting in the center groove of the neu...

Page 15: ...utter blades More often if needed X Grease spindle bearings US Lithium MP White Grease 2125 X Clean air filter More often if needed X Check tire pressure Add or adjust as required X Check battery level Adjust as needed X Replace air filter More often if needed X Grease caster wheel bearings Chassis grease X Grease caster wheel pivot shafts Chassis grease X Change hydrostatic oil filter Clean area ...

Page 16: ...cut Grass in Cutting Path Incorrect blade sharpening Sharpen blades Low engine RPM Run engine at full 3600 RPM Belt slipping Adjust belt tension Deck plugged grass accumulation Clean underside of deck Ground speed too fast Slow speed to adjust for conditions Wet grass Cut grass after it has dried out Bent blades Replace blades Width of Deck SGB018 CONDITION CAUSE CURE Width of Deck SGB020 Width of...

Page 17: ...ting edge toward Appearance ground Scalloped Cut or Rough Contour Deck plugged grass accumulation Clean underside of deck Too much blade angle deck pitch Adjust pitch and level Deck mounted improperly See your authorized SCAG dealer Bent spindle area See your authorized SCAG dealer Dull blade Sharpen blade Uneven Cut on Uneven ground May need to reduce ground speed Uneven Ground raise cutting heig...

Page 18: ...ed to adjust for conditions Wet grass Cut grass after it has dried out Step Cut Blades not mounted evenly Adjust pitch and level Ridge in Center of Cutting Path Bent blade Replace blade Internal spindle failure See your authorized SCAG dealer Mounting of spindle incorrect See your authorized SCAG dealer Slope Cut Sloping Bent spindle mounting area See your authorized SCAG dealer Ridges Across Widt...

Page 19: ...amic braking through hydro drive system Axles 1 tapered Handle Bars 1 1 4 diameter DRIVE SYSTEM Type Hydro drive with two variable displacement pumps and two cast iron high torque motors Hydro Pumps Two Hydro Gear Model BDP 10L pumps with dump valves for movement without running the engine Drive Wheel Motors Two 12 cu inch cast iron high torque motors Hydro Fluid Cooling Group 4 qt capacity coolin...

Page 20: ...aring Idler Arm Heavy duty dual ball bearing mounting Cutter Deck Belts B section with Kevlar cord OPTIONAL ITEMS ATTACHMENTS Fabric Grass Catcher GC F4 Grass Catcher with 4 cubic ft capacity Metal Grass Catcher GC 4D Grass Catcher with 4 cubic ft capacity and rope pull dump or pick up and dump Steerable Sulky RS ZT Steerable Sulky with padded seat and full articulation for zero radius turning Mul...

Page 21: ...17 Notes ...

Page 22: ... 10 9 11 12 13 14 15 16 17 18 19 19A 20 21 22 23 24 25 26 27 22 28 29 30 31 32 13 34 13 36 37 38 39 40 41 42 43 42 44 45 44 45 48 49 50 51 52 53 54 55 56 57 58 59 49 48 62 53 50 60 32 61 50 47 65 51 47 46 SWUZ01CD36A 33 35 34 41 50 63 64 R 64 47 66 ...

Page 23: ... 36 A CUTTER DECKS Ref Part No Number Description Ref Part No Number Description 33 04021 09 Nut 3 8 16 Elastic Stop 34 04110 03 U Nut 3 8 16 35 04001 31 Bolt Hex Head 3 8 16 x 2 50 36 43515 Pin Deck Adj Rear 37 04060 08 Pin Sloted Spring 3 16 x 1 50 38 48038 Guide Roller 39 04001 09 Bolt Hex Head 5 16 18 x 1 0 40 451118 Roller Shaft 41 48926 Tapered Hub 42 48924 Pulley 43 481880 Belt Cutter Deck ...

Page 24: ... 7 8 9 9 10 11 12 13 14 15 16 17 18 19 20 21 22 22 23 24 25 26 27 28 28A 29 30 31 32 33 34 35 36 37 32 38 39 40 69 41 42 43 44 45 46 47 48 49 50 51 52 46 46 51 52 51 52 48 53 41 54 73 58 59 55 60 18 63 64 18 59 18 17 18 17 60 61 62 17 18 56 18 67 9 8 8 9 10 68 13 9 57 14 65 66 59 70 71 R 59 72 ...

Page 25: ...ndle x x x 36 43312 Spacer Outside x x x 37 43296 Spacer Inside x x x 38 481025 Seal Cutter Spindle Bottom x x x 39 43297 Spindle Bushing x x x 40 481035 Nut Spindle x x x 41 481625 01 Wing Nut 3 8 16 x x x 42 451118 Roller Shaft x x x 43 04001 09 Bolt Hex Head 5 16 18 x 1 0 x x x 44 04060 08 Pin Slotted Spring 3 16 x 1 50 x x x 45 43515 Pin Deck Adjustment Rear x x x 46 48926 Tapered Hub x x x 47...

Page 26: ...22 36 A DECK FRAME 1 2 3 4 5 4 7 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 17 23 24 25 26 27 28 22 30 6 SWU99DF36 29 ...

Page 27: ... 6 50 14 04021 07 Locknut 1 2 13 Elastic Stop 15 481843 Wheel Assembly Caster 16 481845 Tire 11 x 4 00 5 17 481770 Retainer 18 481846 Roller Bearing 19 481844 Rim 5 0 x 2 75 With Zerk Valve 20 48114 05 Grease Fitting Str 1 4 28 21 481769 Roller Bearing 625 x 3 25 22 04001 46 Capscrew Hex Head 3 8 16 x 2 25 23 Tire Valve Purchase Locally 24 04050 16 Retaining Ring 1 50 Ext 25 43530 Bushing Deck Adj...

Page 28: ...24 48 A AND 52 A SMALL FRAME DECK FRAME SWU99DF48 52 1 2 3 4 5 4 6 6 7 8 9 10 11 12 13 14 15 16 17 18 19 16 20 21 23 24 25 26 27 28 30 22 29 ...

Page 29: ... 2 13 x 6 50 13 04021 07 Locknut 1 2 13 Elastic Stop 14 481843 Wheel Assembly Caster 15 481845 Tire 11 x 4 00 5 16 481770 Retainer 17 481846 Roller Bearing 18 481844 Rim 5 0 x 2 75 With Zerk Valve 19 48114 05 Grease Fitting Str 1 4 28 20 481769 Roller Bearing 625 x 3 25 21 Tire Valve Purchase Locally 22 04062 04 Hair Pin Cotter 177 x 3 25 23 04050 16 Retaining Ring 1 50 Ext 24 43530 Bushing Deck A...

Page 30: ...26 SWZU00DF52 61 1 2 3 4 5 4 6 6 7 8 9 10 11 12 13 14 15 16 17 18 19 16 20 21 23 24 25 26 27 28 30 22 29 52 A 61 A LARGE FRAME DECK FRAME ...

Page 31: ...Caster x x 15 481845 Tire 11 x 4 00 5 x x 16 481770 Retainer x x 17 481846 Roller Bearing x x 18 481844 Rim 5 0 x 2 75 With Zerk Valve x x 19 48114 05 Grease Fitting Str 1 4 28 x x 20 481769 Roller Bearing 625 x 3 25 x x 21 Tire Valve Purchase Locally x x 22 04062 04 Hair Pin Cotter 177 x 3 25 x x 23 04050 16 Retaining Ring 1 50 Ext x x 24 43530 Bushing Deck Adjustment Pin x x 25 04017 42 Capscrew...

Page 32: ... 9 11 10 12 12A 13 11 11A 14 8 7 7 60 63 61 6 15 20 21 19 22 23 64 38 24 27 26 25 43 45 45 41 46 44 43 35 38 34 34A 38 47 47A 49 38 030441698 56 57 65 43 58 53 54 RED BLK ELECTRIC START ONLY 45 42 36 32 59 52 36 37 45 5 62 31 30 28 29 43 ...

Page 33: ...x 34 461358 Engine Deck 16 Wide W Decls x x 34A 461359 Engine Deck 20 Wide W Decls x x 35 04003 09 Bolt 1 4 20 x 1 1 4 Hex Head x x x 36 04019 02 Nut 1 4 20 Serrated Flange x x 37 04017 18 Capscr 5 16 18 x 1 25 Sr Flg x x x 38 04019 03 Nut 5 16 18 Serr Flange x x x 39 04019 04 Nut 3 8 16 Serr Flange x x x 40 04001 22 Bolt 3 8 16 x 2 3 4 Hex Head x x x 41 04001 08 Hex Head Bolt 5 16 18 x 75 x x x 4...

Page 34: ...NTS 17 12 13 15 14 16 22 23 50 48 47 50 48 24 25 2 2 49 5 47 43 44 35 37 36 7 45 46 45 45 40 55 41 41 38 39 58 58 57 42 56 A A 51 53 390S0189 3 1 2 4 7 9 8 4 49 A A 10 52 7 11 6 20 21 18 19 26 27 28 34 33 31 32 29 30 59 60 40 61 ...

Page 35: ...x x 29 422534 Plate Backing x x x 30 48030 09 Clamp WireLoom x x x 31 04021 10 Nut Hex Elastic Stop 5 16 18 x x x 32 481716 RubberPad ClutchStop x x x 33 422533 Retainer ClutchStop x x x 34 04001 12 Bolt Hex Head 5 16 18 x 1 75 x x x 35 481934 Pulley PumpDrive Engine x x x 36 04001 22 Bolt Hex Head 3 8 16 x 2 75 x x x 37 04019 02 Nut HexSerratedFlange1 4 20 x x x 38 481873 Chain x x x 39 04001 59 ...

Page 36: ...1 29 27 11 68 9 21 19 17 14 13 11 18 19 28 16 24 25 31 10 42 12 40 390S0190B 75 76 74 71 40 60 60 102 80 92 91 85 88 61 82 86 A A 79 93 66 69 94 78 79 B B 101 99 65 98 73 95 58 63 48 61 92 88 37 66 52 97 53 100 64 84 96 10 57 41 82 66 6 73 61 60 59 50 51 46 43 70 62 45 11 44 45 42 47 49 11 24 72 C 3 C 33 54 77 78 58 65 ...

Page 37: ...0 48494 02 Spring Return x x x HANDLE ASSEMBLY Ref Part No No Description 15KA 17KA 21KAE Ref Part No No Description 15KA 17KA 21KAE 51 43522 Spacer Side Plate x x x 52 04041 08S Flat Wshr 3 4 766 x 1 25 x 035 x x x 53 04063 07 Key Woodruff 3 16 x 75 x x x 54 04001 59 Bolt Hex Head 1 4 20 x 1 25 x x x 55 04001 08 HH Bolt 5 16 18 x 75 x x x 56 04030 03 Lock Washer 5 16 x x x 57 04050 02 Clip Retain...

Page 38: ... H J 1 2 3 5 6 7 8 9 34 28 28 10 10 33 11 12 11 29 13 35 20 4 35 35 31 22 12 3 5 13 20 18 6 B 5 34 33 16 7 8 29 28 28 23 23 A 4 35 22 15 14 25 11 11 23 23 19 19 10 10 19 19 21 27 26 2002SWZU HA G F 17 33 34 24 11 11 11 32 35 35 35 35 35 35 11 7 7 ...

Page 39: ...6 Capscrew 5 16 18 x 75 Serr Flange 19 48603 04 O Ring 20 482266 01 Elbow 9 16 O Ring x 3 8 Hose 21 04019 03 Nut 5 16 18 Serr Flange 22 482305 Hose Formed 1 2 ID 23 481849 Hose Pump to Wheel Motor 24 481507 Tube Filler Neck 25 461358 Engine Deck 16 Wide W Decals Small Frame 461359 Engine Deck 20 Wide W Decals Large Frame 26 04019 04 Nut 3 8 16 Serr Flange 27 48462 01 Oil Filter 28 48485 01 Elbow 4...

Page 40: ...36 HYDRAULIC PUMP ASSEMBLY BDP 10L117 390S0192 11 4 9 11 2 12 10 6 8 13 7 18 5 14 15 16 17 19 20 21 22 1 29 23 24 30 O v e r h a u l S e a l K i t 25 26 28 27 3 ...

Page 41: ...ce Check Valve 12 HG2513030 Bypass Valve Kit Incl Bypass Valve O Ring Back up Ring 13 HG9006110 0120 Backup Ring 14 HG70079 Cylinder Block Kit 15 HG2003014 Block Spring 16 HG2003017 Block Thrust Washer 17 HG2003044 Roller Thrust Bearing 18 HG2003087 Swash Plate 19 HG2003005 Trunnion Arm 20 HG2000015 Guide Slot 21 HG2003023 Cradle Bearing 22 HG9008000 0126 Lip Seal 23 HG2003020 Pump Shaft 24 HG2003...

Page 42: ...481865 HANDLE WIRE HARNESS MANUAL START PART NO 481865 POS HOURMETER BRAKE SWITCH BLAC K WHITE BLAC K BLACK W RED STRIPE BLACK W RED STRIPE BLUE YELLOW WHITE WIRE HARNESS ADAPTER ENGINE NEUTRAL INTERLOCK BLADE CLUTCH E A F B G C H D INSTRUMENT PANEL HARNESS GROUND BLACK W RED STRIPE BLACK BLUE WHITE WHITE YELLOW SWZ99SC421G BLACK ENGINE DECK WIRE HARNESS 15 17 HP KAWASAKI PART NO 481073 ...

Page 43: ...SS 21KAE ELECTRIC START PART NO 482026 SWZU2K 482026 KEYSWITCH MOWER ENGAGE SWITCH TO ENGINE DECK HARNESS FUSES BRAKE SWITCH YELLOW WHITE BLUE BLACK GREEN RED BLACK W RED STRIPE RED W YELLOW STRIPE YELLOW YELLOW WHITE YELLOW W RED STRIPE GREEN GREEN BLACK RED RED BLACK WHITE BLACK W RED STRIPE OPERATOR PRESENCE SWITCH POSITIVE HOURMETER NEGATIVE HOURMETER BLACK W RED STRIPE BLACK BLACK W RED STRIP...

Page 44: ... WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR S MANUAL 481039 WARNING FALLING HAZARD USE ONLY SCAG APPROVED RIDING ATTACHMENTS SEE OPERATOR S MANUAL 481109 MOUNT RIDING ATTACHMENT HERE Heavy Duty Commercial 481971 WARNING DO NOT OPERATE WITHOUT DISCHARGE CHUTE MULCHING KIT OR ENTIRE GRASS CATCHER INSTALLED 482165 482165 ...

Page 45: ...AL REPLACEMENT DECALS INFORMATION Units with 36 48 52 Cutter Decks 481438 small frame Units with 52 61 Cutter Decks 481423 large frame FAST SLOW PARKING BRAKE OFF ON 481878 SLOW FAST TRACKING ADJUSTMENT SEE OPERATOR S MANUAL SWZU 481906 481906 CUTTING HEIGHT 481863 2 2 1 2 3 1 1 1 2 3 1 2 4 4 1 2 481863 ...

Page 46: ...r warranty work and the expense of returning it to the owner after 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 contract of sale of any Scag mower This warranty does not cover any mower that has been subject to misuse neglect negligence or accident or that...

Page 47: ...PART NO 03101 PRINTED 4 01 PRINTED IN USA 2001 SCAG POWER EQUIPMENT DIVISION OF METALCRAFT OF MAYVILLE INC ...