Scag Power Equipment GC-STT-CS Operator's Manual

PART NO. 03274 Rev. 2PRINTED 12/2010PRINTED IN USA© 2010Scag Power EquipmentDivision of Metalcraft of Mayville, Inc.Congratulations on owning a Scag m

4RSection 2DO NOT allow children to ride or play on the 3. machine, it is not a toy.Clear the area to be mowed of objects that could be 4. picked up a

5RSection 2Reduce speed and exercise extreme caution on 2. slopes and in sharp turns to prevent tipping or loss of control. Be especially cautious whe

6RSection 2Lower the roll bar only when absolutely necessary.To lower the roll bar, remove the hairpin cotter pins 1. and remove the two (2) lock pins

7RSection 2 WARNINGFailure to properly inspect and maintain the seat belt can cause serious injury or loss of life.Check the full length of the seat b

8RSection 2MAINTENANCE CONSIDERATIONS & 2.6 STORAGENever make adjustments to the machine with the 1. engine running unless specifically instructed

9RSection 2SAFETY AND INSTRUCTIONAL DECALS2.9 WARNINGINSTALL BELT COVER BEFOREOPERATING MACHINEREAD OPERATOR'S MANUAL483402390S0150i481568FORWARD

10RSection 3SPECIFICATIONSENGINE3.1 General Type ...Heavy

11RSection 3POWER HEAD3.3 Drive System ... Hydraulic Drive with Two Variable Displacement Pumps and Two Cast-Iron High Torque MotorsHydros

12RSection 3HYDRAULIC SYSTEM3.5 Hydraulic Oil Filter ...

13RSection 4 CAUTIONDo not attempt to operate this mower unless you have read this manual. Learn the location and purpose of all controls an

WARNINGFAILURE TO FOLLOW SAFE OPERATING PRACTICES MAY RESULT IN SERIOUS INJURY OR DEATH.Read this manual completely as well as other manuals that cam

14RSection 4Hourmeter (Figure 4-1).6. Indicates the number of hours the engine has been operated. It only operates when the engine is running. Has

15RSection 4INITIAL RUN-IN PROCEDURES4.3 FIRST DAY OF USE OR APPROXIMATELY 20 HOURSCheck all belts for proper alignment and wear at 2, 4 1. and 8 hour

16RSection 4- IMPORTANT -Do not travel forward over a curb. The mower will hang up on the curb. Raise the deck and travel backwards over the cu

17RSection 4HILLSIDE OPERATION4.7 WARNINGDO NOT operate on steep slopes. To check a slope, attempt to back up it (with the cutter deck down). If the

18RSection 4MOVING MOWER WITH ENGINE 4.11 STOPPEDTo “free-wheel” or move the mower around without the engine running, rotate the dump valve levers cou

19RSection 4Insert the lanyard pin into the cutting height index at 3. the desired cutting height. Push forward on the deck lift foot lever, hold in p

20RSection 4TOWING (OPTIONAL HITCH 4.16 ACCESSORY)NEVER allow children or others in or on towed 1. equipment.Tow only with a machine that has a hitch

21RSection 5CONDITION CAUSE CURESTRINGERS - OCCASIONAL BLADES OF UNCUT GRASSWidth of DeckSGB020Low engine RPM Run engine at full RPMGround speed too

22RSection 5CONDITION CAUSE CUREU N E V E N C U T O N F L AT GROUND - WAVY HIGH-LOW APPEARANCE, SCALLOPED CUT, OR ROUGH CONTOURWidth of DeckS

23RSection 5CONDITION CAUSE CURESCALPING - BLADES HITTING DIRT OR CUTTING VERY CLOSE TO THE GROUNDWidth of DeckSGB022Low tire pressures Check and adju

IRTable of ContentsTable of ContentsGENERAL INFORMATIONSECTION 1 - ...

24RSection 6PARKING BRAKE ADJUSTMENT6.1 WARNINGDo not operate the mower if the parking brake is not operable. Possible severe injury coul

25RSection 6TRAVEL ADJUSTMENTS6.2 Neutral or tracking adjustments will need to be made if:A. The steering control levers are in the neutral position

26RSection 6Actuate the steering control levers forward and 6. reverse several times and return them to the neutral position.Check that the drive whee

27RSection 6BELT ALIGNMENT6.5 Belt alignment is important for proper performance of your Scag mower. If you experience frequent belt we

28RSection 6- NOTE -To prevent the cutter deck from teetering, all four (4) cutter deck hanging chains must have tension on them. If all four chains d

29RSection 6C. 4-3/4" or 5-1/4" Position - (See Figure 6-9). Placing the baffle in either the 4-3/4" or 5-1/4" setting w

30RSection 6ELECTRIC CLUTCH ADJUSTMENT6.8 The electric clutch serves two functions in the operation of the mower. In addition to starting and stoppin

31RSection 7MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS7.1 HOURSPROCEDURE COMMENTSBREAK-IN (FIRST 10)8 20 40 100 200 500XCheck all hardware for

32RSection 7MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS (CONT'D)HOURSPROCEDURE COMMENTSBREAK-IN (FIRST 10)8 40 100 200 500XApply grease to

33RSection 7GREASE FITTING LUBRICATIONLUBRICANT / INTERVALLITHIUM MP WHITE GREASE 2125( 40 HOURS / WEEKLY )CHASSIS GREASE( 100 HOURS / BI-MONTHLY )CHA

IIRTable of ContentsTROUBLESHOOTING CUTTING CONDITIONSSECTION 5 - ...21ADJUSTMENTSSECTION 6 - ...

34RSection 7- IMPORTANT -The hydraulic oil should be changed if you notice the presence of water or a rancid odor to the hydraulic oil.Park t

35RSection 7STT99CECENGINE OIL FILTERDRAINPLUGDrain Plug and Oil Filter LocationFigure 7-5. C. CHANGING ENGINE OIL FILTERAfter the first 20 hours of o

36RSection 7EF1/41/23/4...FUEL LEVELFILLER NECK INSERTC.A.R.B. / EPA Phase 3 Fuel LevelFigure 7-6. To avoid personal injury or property damage,

37RSection 7- NOTE -In extremely dusty conditions it may be necessary to check the element once or twice daily to prevent engine damage.Unhook the cla

38RSection 7 WARNINGBATTERIES PRODUCE EXPLOSIVE GASES. Charge the battery in a well ventilated space so gases produced while charging can dissipate

39RSection 7SGB033Angle Blade BackDo Not Cut InX Must NOT Exceed1/3 Blade WidthX30Blade SharpeningFigure 7-8. Check the balance of the blade. If the b

40RSection 7CUTTER DECK GEARBOX7.11 A. CHECKING LUBRICANT LEVEL CAUTIONThe cutter deck gearbox can reach high operating temperatures. Allow the cutte

41RSection 7Replace the radiator cap. Push down on the cap and 3. turn clockwise until it stops.- NOTE -The cooling system should be flushed and

42RSection 8NOTES

43RSection 8SCAG APPROVED ATTACHMENTS AND ACCESSORIES8.1 Attachments and accessories manufactured by companies other than Scag Power Equipment are not

IIIRTable of ContentsBDP-16A HYDRAULIC PUMP ASSEMBLY ...

44RSection 852V CUTTER DECK44 61 636912656452585417592414562856333AABB414 29 2053285224582452736632136855552958232331150134660496724354891619152726128

45RSection 852V CUTTER DECKRef. No.Part No. DescriptionRef. No.Part No. Description1234567891011121314151617181920212223242526272829303132333435363738

46RSection 861V & 72VS CUTTER DECKS14 15 16172319185116566683412126457AABB179865354562584856616171179572057844883269102642392174732324222020273014

47RSection 861V & 72VS CUTTER DECKSRef. No.Part No. Description 61 72Ref. No.Part No. Description 61 721234567891011121314151617181920212223242526

48RSection 8CUTTER DECK CONTROLSSTT2006CDC21193742461410 4252335234138323430727334041282824264140CUTTER DECK134039314140394398452018361644174140261129

49RSection 8CUTTER DECK CONTROLSRef.No.Part No. Description1234567891011121314151617181920212223242526272829303132333435363738394041424344454619294817

50RSection 8SHEET METAL COMPONENTSSTT 2011 SMC48502630251215199123243132333429333637403938414243513544451527224202815141312111016172058718184AA6494746

51RSection 8SHEET METAL COMPONENTSRef. No.Part No. DescriptionRef. No.Part No. Description123456789101112131415161718192021222324252627282930313233343

52RSection 8STT ROLL-OVER PROTECTION SYSTEM23442343411178695751110116109255

53RSection 8STT ROLL-OVER PROTECTION SYSTEMRef.No.Part No. Description123456789101146221004001-8704021-1904040-1348416804001-16304021-1948416648417048

IVRTable of Contents

54RSection 8Ref. No.Part No. Description12345678910111213929204001-17804040-11483594482950482945482946482940482943482948482942482952482944482948482941

55RSection 8NOTES

56RSection 8DECK DRIVE COMPONENTSSTT 2011 DDCBAABCCFrame2140347464743424414559538547256646362752559606110115652121565585214131220174518661967455621575

57RSection 8DECK DRIVE COMPONENTSRef. No.Part No. DescriptionRef. No.Part No. Description1234567891011121314151617181920212223242526272829303132333435

58RSection 8ENGINE AND ATTACHING PARTS - KOHLERSTT 2005 EAPKH137825910914FRAMEREF. PUMPMTG. WELDMENT116151610124121013

59RSection 8ENGINE AND ATTACHING PARTS - KOHLERRef.No.Part No. Description1234567891011121314151642259304017-05**48251004110-01424691483537** 48423404

60RSection 8ENGINE & ATTACHING PARTS - 27HP, 29DFI KAWASAKI & 35BVACSTT 2009 EAPKA8FRAMEREF. PUMPMTG. WELDMENT11132101210121012131474A9610135A

61RSection 8ENGINE & ATTACHING PARTS - 27HP, 29DFI KAWASAKI & 35BVACRef.No.Part No. Description12345678910111213141516171819202122232425262745

62RSection 8BRAKE AND STEERING COMPONENTSSTT2006B&SC REV 1A1101133179192341112134365773484746523534243 44 4515567069716215656064676052413423515034

63RSection 8BRAKE AND STEERING COMPONENTSRef. No.Part No. DescriptionRef. No.Part No. Description12345678910111213141516171819202122232425262728293031

1RSection 1INTRODUCTION1.1 Your mower was built to the highest standards in the industry. However, the prolonged life and maximum efficiency of your m

64RSection 8STT HYDRAULIC SYSTEMDDDEFCIHGGFEAABCDUMP VALVEB2011 STT HS.epsIH3923242640342535213133930301112137 44344 45 174616141532544542342535188201

65RSection 8STT HYDRAULIC SYSTEMRef. No.Part No. DescriptionRef. No.Part No. Description12345678910111213141516171819202122232425262728293031323334353

66RSection 8STT FUEL SYSTEM - EPA PHASE 2(models produced prior to 1/1/2011)2011 STT FS - EPA Phase 2.epsZZTo InjectorFuelReturnTo FuelPumpFuelTankT

67RSection 8STT FUEL SYSTEM - EPA PHASE 2(models produced prior to 1/1/2011)Ref.No.Part No. Description1 484251 Fuel Gauge Assembly2 484242 Seal,

68RSection 8STT FUEL SYSTEM - EPA PHASE 3(models produced after 1/1/2011)2011 STT FS - EPA Phase 3.epsZZ12345678910101010111112To InjectorFuelReturnF

69RSection 8STT FUEL SYSTEM - EPA PHASE 3(models produced after 1/1/2011)Ref.No.Part No. Description1 484251 Fuel Gauge Assembly2 484242 Seal, Fue

70RSection 8STT-LE FUEL SYSTEM - C.A.R.B. TIER 3(LE models only - Produced after 1/1/2010)2011 STT FS - CARB TEIR 3 Rev2.epsZZ12345678910101010111112T

71RSection 8STT-LE FUEL SYSTEM - C.A.R.B. TIER 3(LE models only - Produced after 1/1/2010)Ref.No.Part No. Description1 484251 Fuel Gauge Assembly2

72RSection 8BDP-16A HYDRAULIC PUMP ASSEMBLYORORPORT "A"SIDEPORT "B"SIDEOverhaul Seal Kit123456789101112131415161717181920202121222

73RSection 8BDP-16A HYDRAULIC PUMP ASSEMBLYRef.No.Part No. Description123456789101112131415161718192021222324252627282930HG70740HG51455HG70735HG51462H

2RSection 1SYMBOLS1.4 SYMBOL DESCRIPTION SYMBOL DESCRIPTION Choke Transmission Parking Brake 48071SSpinning Blade On/Start Spring Tension on Idler Off

74RSection 8BDP-16A HYDRAULIC PUMP ASSEMBLY with COOLING FAN (29DFI & 35BVAC))ORORPORT "A"SIDEPORT "B"SIDEOverhaul Seal Kit123

75RSection 8BDP-16A HYDRAULIC PUMP ASSEMBLY with COOLING FAN (29DFI & 35BVAC))Ref.No.Part No. Description12345678910111213141516171819202122232425

76RSection 8ELECTRICAL SYSTEM (KOHLER & Briggs & Stratton)SCAGPOWER EQUIPMENT2113456121317STT 2008 ESKH101011171815141920222324251282714159101

77RSection 8ELECTRICAL SYSTEM (KOHLER & Briggs & Stratton)Ref.No.Part No. Description123456789101112131415161718192021222324252627282930313248

78RSection 8ELECTRICAL SYSTEM - 27HP KAWASAKI212827134561317STT2008 ESKA10101117181514192022232425262829301415910118BB7151416A3118ACC12323322020234353

79RSection 8ELECTRICAL SYSTEM - 27HP KAWASAKIRef.No.Part No. Description123456789101112131415161718192021222324252627282930313233343536481755482984833

80RSection 8ELECTRICAL SYSTEM - 29DFI KAWASAKISCAGPOWER EQUIPMENT212827134561317STT2008 ESKA-DFI101117181514192022232425262829301415910118BB7151416A31

81RSection 8ELECTRICAL SYSTEM - 29DFI KAWASAKIRef.No.Part No. Description12345678910111213141516171819202122232425262728293031323334353637383948175548

82RSection 8REPLACEMENT DECALS AND INFORMATION PLATES1235864912137CHOKESLOWFAST48298348404STT 2011 Decals 1WARNINGINSTALL BELT COVER BEFOREOPERATING M

83RSection 8REPLACEMENT DECALS AND INFORMATION PLATES481569R162011 STT Decals Page21719181548166348166420212714Ref.No.Part No. Description123456789101

3RSection 2INTRODUCTION2.1 Your mower is only as safe as the operator. Carelessness or operator error may result in serious bodily injury or death. Ha

84RSection 8STT ELECTRICAL SCHEMATIC (KOHLER)Kohler STT SchematicSerial No. 7700001 & HigherRELAYMODULEPLUGPOSAMPMETERNEGAMPMETERPTOSWITCHKEYSWITC

85RSection 8STT ELECTRICAL SCHEMATIC (27HP KAWASAKI)RELAYWATERTEMPGAUGEMODULEPLUGPOSAMPMETERNEGAMPMETERPTOSWITCHKEYSWITCHENGINECLUTCHNEGPOSHOURMETERST

86RSection 8ELECTRICAL SCHEMATIC - 29DFI KAWASAKIRELAYWATERTEMPGAUGEMODULEPLUGPOSAMPMETERNEGAMPMETERPTOSWITCHKEYSWITCHCHECKENGINELIGHTENGINEENGINEENGI

87RSection 8STT ELECTRICAL SCHEMATIC (35BVAC Briggs & Stratton)31BV Briggs & Stratton STT SchematicRELAYMODULEPLUGPOSAMPMETERNEGAMPMETERPTOSWI

LIMITED WARRANTY - COMMERCIAL EQUIPMENTAny part of the Scag commercial mower manufactured by Scag Power Equipment and found, in the reasonable judgmen

© 2010Scag Power EquipmentDivision of Metalcraft of Mayville, Inc.