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PART NO. 03406 

PRINTED 1/2016

PRINTED IN USA

© 2016

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.

OPERATOR’S 

MANUAL

Models: STCII-48V-22FS

 STCII-48V-23CV

 STCII-52V-22FX

 STCII-52V-25CV-EFI

 STCII-61V-23FX

 STCII-61V-26CV-EFI

Summary of Contents for Tiger Cat II STCII-48V-22FS

Page 1: ...ur 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...

Page 2: ...comes clogged stop the engine before cleaning Keep hands feet and clothing away from power driven parts Keep others off the mower only one person at a time REMEMBER YOUR MOWER IS ONLY AS SAFE AS THE O...

Page 3: ...1 ENGINE 10 3 2 Electrical 10 3 3 MOWER 10 3 4 Cutter Deck 11 3 5 Hydraulic System 11 3 6 Weights and Dimensions 11 3 7 PRODUCTIVITY 11 SECTION 4 OPERATING INSTRUCTIONS 12 4 1 TIGER EYE instrument id...

Page 4: ...SECTION 8 ILLUSTRATED PARTS LIST 40 8 1 SCAG APPROVED ATTACHMENTS AND ACCESSORIES 40 NOTES 41 48V 52V CUTTER DECKS 42 61V CUTTER DECK 44 CUTTER DECK CONTROLS 46 SHEET METAL COMPONENTS 48 STCII FOLDABL...

Page 5: ...ATTACHMENTS AND ACCESSORIES Attachments and accessories manufactured by companies other than Scag Power Equipment are not approved for use on this machine See Section 8 Paragraph 8 1 WARNING For pict...

Page 6: ...ning Blade On Start Spring Tension on Idler Off Stop Oil Falling Hazard Thrown Object Hazard Fast Slow Continuously Variable Linear Cutting Element Basic Symbol 481039S Pinch Point Cutting Element Eng...

Page 7: ...ontains 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 distinct...

Page 8: ...tem disconnected or malfunctioning 10 Be sure the interlock switches are functioning correctly 11 Fuel is flammable handle it with care Fill the fuel tank outdoors Never fill it indoors Use a funnel o...

Page 9: ...machine and mow slowly 11 DO NOT turn sharply Use care when backing up 12 Disengage power to cutter deck before crossing roads walks or gravel drives 13 Mow only in daylight or good artificial light...

Page 10: ...ners shrubs trees or other objects that may obscure vision 24 NEVER leave the machine running unattended 2 5 Roll over protection system WARNING Keep the roll bar in the raised and locked position and...

Page 11: ...ed when turning operating on slopes slick or wet surfaces Allow extra distance to stop Stay off of slopes too steep for safe operation To check a slope attempt to back up it with the cutter deck down...

Page 12: ...omponents when required 12 Carefully release pressure from components with stored energy WARNING Hydraulic fluid is under high pressure and can penetrate skin causing injury If hydraulic fluid is inje...

Page 13: ...eate sparks that can start fires around dry vegetation A spark arrestor may be required The operator should contact local fire agencies for laws or regulations relating to fire prevention requirements...

Page 14: ...ix Shift Starter Kohler Kawasaki FX Electric Starting with Solenoid Shift Starter Belts Kevlar cord Self adjusting Self tightening 3 2 Electrical Battery 12 Volt Charging System Alternator Charging Ou...

Page 15: ...n Thick Milled Edge Wear Resistant Marbain Blade Engagement Electric Blade Engagement Clutch with Control Panel Switch Connected to the Cutter Deck through a Belt Discharge Opening Extra Wide Discharg...

Page 16: ...es engine oil pressure Reference the engine operator s manual for further information 4 Service Engine Indicator Figure 4 1 Indicates the maintenance reminder for the engine oil change Has preset main...

Page 17: ...R INDICATOR Figure 4 1 Tiger Eye Advanced Monitoring System 12V DECK LIFT SUSPENSION SEAT CONTROL KNOB LEFT STEERING CONTROL BRAKE PEDAL PARKING BRAKE LOCK LATCH FUEL GAUGE SEAT HOLD DOWN RELEASE LATC...

Page 18: ...ck Latch Figure 4 2 Used to lock the parking brake in the engaged position Fully depress the brake pedal and pull the parking brake lock latch back to lock the parking brake in the engaged position Se...

Page 19: ...NING Never operate the mower with the interlock system disconnected or malfunctioning Do not disengage or bypass any switch injury to yourself and others or property damage could result 4 4 INITIAL RU...

Page 20: ...back the quicker the mower will turn right NOTE Smooth operation of the steering levers will produce smooth mower operation While learning the operation of the steering controls keep the travel speed...

Page 21: ...hould the machine be operated on slopes greater than 15 degrees See Figure 2 4 Page 7 to help determine approximate slope of area to be mowed ALWAYS FOLLOW OSHA APPROVED OPERATION 1 This mower has bee...

Page 22: ...If the discharge chute becomes clogged shut off the engine and remove the ignition key Using a stick or similar item dislodge the clogged material Then resume normal mowing 4 12 MOVING MOWER WITH ENG...

Page 23: ...s 4 14 ADJUSTING CUTTING HEIGHT The mower deck can be adjusted from a height of 1 inch to 5 inches at 1 4 inch intervals To adjust the cutting height WARNING DO NOT adjust the cutting height with the...

Page 24: ...h towed equipment except at the hitch point 3 Follow manufacturer s recommendations for weight limit for towed equipment 250 lbs maximum towing weight 4 NEVER tow on slopes The weight of the towed equ...

Page 25: ...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 26: ...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 27: ...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 28: ...at the front of the brake linkage See Figure 6 2 4 With the parking brake in the locked position turn the adjustment nut until the brake spring has an overall length of 2 See Figure 6 2 5 Repeat step...

Page 29: ...nition before making any adjustments Wait for all moving parts to come to a complete stop before beginning work Caution The engine and drive unit can get hot during operation causing burn injuries All...

Page 30: ...rmance of your Scag mower If you experience frequent belt wear or breakage see your authorized Scag service center for belt adjustment 6 6 CUTTER DECK ADJUSTMENTS Cutter deck level pitch and height ar...

Page 31: ...OSEN HERE ADJUST HERE Figure 6 6 Cutter Deck Pitch Adjustment 2 Turn the adjustment bolts on both sides either clockwise to raise or counter clockwise to lower the front of the cutter deck until the m...

Page 32: ...positions for optimum performance A 3 1 2 or 3 3 4 Position See Figure 6 9 For very tall wiry or tough to cut grass B 4 factory setting 4 1 4 or 4 1 2 Position See Figure 6 9 For general purpose cutt...

Page 33: ...off or the operator presence circuit is interrupted When the clutch is disengaged the air gap between the armature and rotor must be adjusted to fifteen thousandths of an inch 0 015 for proper operat...

Page 34: ...annually whichever comes first In cases where the machine is heavily used airgap settings should be checked more often If the air gap is too narrow the clutch armature may drag when disengaged resulti...

Page 35: ...ngs See paragraph 7 2 X Check tire pressure See paragraph 7 10 X Inspect seat belt for wear or damage See paragraph 2 5 X Check the operator interlock system See paragraph 4 2 X Change engine oil and...

Page 36: ...LOCATION LUBRICATION INTERVAL LUBRICANT NO OF PLACES 1 Caster Wheel Pivot 500 Hours Yearly Chassis Grease 2 2 Caster Wheel Bearings 100 Hours Monthly Chassis Grease 2 3 Cutter Deck Bellcranks 100 Hour...

Page 37: ...REASE FITTING LUBRICATION Lubricant Interval Lithium MP White Grease 2125 40 Hours Weekly Chassis Grease 100 Hours Bi monthly Chassis Grease 500 Hours Yearly 1 1 2 2 3 3 4 4 5 5 Figure 7 1 Lubrication...

Page 38: ...be changed if the color of the fluid has become black or milky A black color and or a rancid odor usually indicates possible overheating of the oil and a milky color usually indicates water in the hy...

Page 39: ...aulic oil filter should be changed after every 500 hours of operation or annually whichever occurs first 1 Remove the oil filter element and properly discard it See Figure 7 3 Fill the new filter with...

Page 40: ...affected skin 10 Replace gas cap and tighten until it ratchets B Replacing In Line Fuel Filter Elements The engine fuel filter should be replaced after every 500 hours of operation or annually whiche...

Page 41: ...ttery warm before attaching a charger Whenever possible remove the battery from the mower before charging and make sure the electrolyte covers the plates in all cells WARNING BATTERIES PRODUCE EXPLOSI...

Page 42: ...he blade Using a wheel grinder may burn the blade NOTE DO NOT sharpen the blades beyond 1 3 of the width of the blade See Figure 7 6 1 Sharpen the cutting edge at the same bevel as the original See Fi...

Page 43: ...the spacer onto the blade bolt and insert the bolt into the cutter spindle shaft 6 Install the hex nut to the blade bolt at the top of the cutter spindle Secure the blades from rotating and torque to...

Page 44: ...stall Kit or 901F 61V STCII Install Kit GC CS 900T Requires a 901E 48V 52V Install Kit or 901F 61V STCII Install Kit Mulch Plate 9286 48V 9287 52V 9288 61V Hurricane Mulch 9283 48V 9284 52V 9285 61V S...

Page 45: ...41 R Section 8 NOTES...

Page 46: ...8 9 1 10 7 20 19 18 17 16 15 14 13 12 11 1 2 3 6 6 12 7 1 2 3 4 8 11 21 22 23 28 24 25 26 27 23 47 8 8 7 6 37 38 35 28 24 78 79 77 83 82 81 45 80 30 31 33 32 33 34 29 84 67 85 86 33 75 76 24 51 52 53...

Page 47: ...Scalp Wheel X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 42 43 44 45 46...

Page 48: ...28 30 4 3 2 1 29 31 11 12 7 8 6 13 14 15 8 32 33 12 34 35 36 37 38 40 39 41 23 23 22 23 86 16 17 18 19 20 21 18 22 23 23 45 44 43 45 42 52 46 50 47 50 51 48 49 45 38 54 53 57 6 37 56 55 36 38 81 82 33...

Page 49: ...bly LH 461444 Push Arm Assembly RH 42 461846 Discharge Chute Assy 462477 CA Discharge Chute Assy 43 04001 154 Bolt Hex Head 5 16 18 x 4 3 4 44 483378 Spring Discharge Chute 45 04021 10 Nut Elastic Sto...

Page 50: ...46 R Section 8 CUTTER DECK CONTROLS 3 4 5 2 1 6 7 8 9 10 11 12 13 14 11 25 15 16 18 17 21 22 23 4 20 19 30 31 21 26 26 24 23 29 28 27 27 26 26 29 27 28 26 27 26 26 26 22...

Page 51: ...Lever Return Nut Center Lock 3 8 16 Pin Assembly w Lanyard Bolt Hex Head 3 8 16 x 2 1 2 Bolt Hex Wshr Head 5 16 18 x 1 1 4 Adjustment Bracket Cutting Height Slide Height Adjust Pin Deck Lift Retaining...

Page 52: ...0 5 10 6 11 11 12 13 13 13 24 3 12 14 15 17 15 21 16 18 17 16 20 19 25 22 22 21 15 59 20 19 5 29 3 45 44 13 23 39 17 38 38 13 36 43 40 41 38 38 38 38 30 34 23 29 28 13 27 36 32 35 29 27 13 29 27 31 33...

Page 53: ...Head 1 2 13 x 1 1 4 29 04001 19 Bolt Hex Head 3 8 16 x 1 30 427032 Plate Skid 31 481284 Bumper Rubber 32 04110 03 U Nut 3 8 16 33 426978 Battery Hold Down 34 425905 Mounting Bracket Neutral Switch 35...

Page 54: ...50 R Section 8 STCII FOLDABLE ROLL OVER PROTECTION SYSTEM 1 1 2 2 2 3 3 4 4 2 6 6 7 7 1 8 10 12 5 5 9 11 10 6 12 12 12 12 12...

Page 55: ...01 90 04021 07 427029 427028 04117 04 04001 70 484717 484527 ROPS Assembly Foldable Pin Assembly incl 3 Spring ROPS Clip ROPS Spring ROPS Anti Rattle Bolt Hex Head 1 2 13 x 3 1 4 Nut Elastic Stop 1 2...

Page 56: ...rt No Description 1 2 3 4 5 6 7 8 9 10 485591 484709 484717 485652 484710 484712 481638 485594 484714 484708 Suspension Seat Assembly w seat belt Armrest Kit LH Seat Belt Kit Recliner Knob Kit Armrest...

Page 57: ...I 48V 22FS STCII 61V 27BS MODELS Ref No Part No Description 1 2 3 4 5 6 7 8 485630 484709 484527 484528 484710 484529 481638 485594 Seat Assembly Armrest Kit LH Seat Belt Kit Back Cover Armrest Kit RH...

Page 58: ...54 R Section 8 DRIVE SYSTEM COMPONENTS 1 2 3 4 5 6 7 8 9 10 6 9 9 11 11 12 13 14 15 16 17 15 16 17 18 19 20 21 22 11 11 23 24 9 8 19 25 9 8 20 12...

Page 59: ...1 4 Bolt Carriage 3 8 16 x 4 Key 1 4 x 1 4 x 3 1 2 Pulley 5 75 Dia 1 125 Bore Pivot Idler Arm Bearing Idler Arm Assembly incl 6 Flatwasher 3 8 391 x 938 x 105 HD Nut Elastic Stop 3 8 16 Mounting Brac...

Page 60: ...56 R Section 8 ENGINE ATTACHING PARTS 2 3 5 6 7 8 9 10 1 11 4 12 15 16 13 12 13 12 13 14 13...

Page 61: ...Engine Kohler 23CV Engine Kohler 25CV EFI Engine Kohler 26CV EFI Hose Oil Drain Kawasaki FX FS incl 3 4 5 6 Hose Oil Drain Kohler CV CV EFI incl 3 4 5 6 Valve Assembly Oil Drain Cap O Ring Seal Muffl...

Page 62: ...58 R Section 8 STEERING COMPONENTS A A PUMP CONTROL ARM 1 3 3 4 4 5 5 2 7 8 9 6 10 11 10 12 12 13 14 15 16 29 28 30 27 26 25 26 25 31 24 10 20 19 18 17 23 10 22 21 32 33...

Page 63: ...ence Switch Nut Flanged Elastic Stop 1 4 20 Bar Control Lever Nut Elastic Stop 5 16 18 Gas Damper Spacer Pump Dampener Bracket Weldment Control Lever RH w Decal Bracket Weldment Control Lever LH w Dec...

Page 64: ...60 R Section 8 BRAKE COMPONENTS A A 1 2 3 4 5 6 7 8 9 10 2 4 6 7 8 12 13 14 15 16 17 11 18 19 20 18 21 22 23 25 24 10 26 27 28 29 30 31 14 31 33 34 35 32 36 37 38 39 40 43 42 45 46 47 48 44 41...

Page 65: ...tic Stop 1 2 13 23 426992 Switch Mounting Bracket Brake 24 43602 Spacer 25 481638 Switch 26 04003 02 Bolt Carriage 1 4 20 x 3 4 27 04001 54 Bolt Hex Head 3 8 16 x 3 28 04009 10 Bolt 1 2 x 2 3 4 Should...

Page 66: ...LIC SYSTEM J D C K B E A G F A C D E J K G F 2 B 3 3 4 2 4 5 5 6 7 7 1 1 10 11 16 15 18 17 8 9 8 12 8 7 14 13 8 7 19 7 8 5 6 8 7 29 29 4 4 3 3 20 21 2 23 23 4 4 2 8 7 5 6 24 7 8 5 6 28 27 26 25 11 4 1...

Page 67: ...JIC x 1 2 O Ring O Ring 3 4 O Ring 7 16 Elbow 90 Degree 9 16 O Ring x 3 8 Hose Hose Clamp 69 Dia Hose 3 8 Pushlock order by inch Fitting 9 16 O Ring x 3 8 Hose Hose 1 2 Pushlock order by inch Hose Cla...

Page 68: ...gine Purge Port To Engine D B E A A B C D E F F 1 1 2 2 3 3 4 4 4 4 4 4 4 5 5 5 5 5 5 5 10 11 12 13 14 15 16 16 17 4 C 5 18 17 18 5 4 16 16 14 21 7 6 13 22 12 20 19 7 7 6 6 23 26 25 24 23 26 25 25 25...

Page 69: ...Canister Clamp Vapor Recovery Hose Hose 3 16 order by inch Hose Non Perm Fuel 1 4 I D Clamp Fuel Hose 1 4 I D Fuel Filter Tee 3 16 x 3 16 x 3 16 Union Hose Barb Fuel Cap Tethered Fuel Cap Tethered Cal...

Page 70: ...THROTTLE 20 20 5 A S C A G PO W ER EQ UI PM EN T 2 GROUND STARTER FX CV A B B SOLENOID 22FS 3 4 5 6 7 1 8 9 11 12 13 14 15 16 17 10 11 20 21 14 23 24 18 25 24 26 24 24 27 28 29 30 31 35 33 34 36 37 3...

Page 71: ...e Kohler CV Locknut 10 24 Throttle Control Cable Kawasaki FS FX Kohler CV Single Fuse Assy incl 11 12 14 Clip Wire Cover Sealed Single Fuse 5 Amp Fuse Holder Switch Starter Switch PTO Cluster Gauge Do...

Page 72: ...AL SYSTEM KOHLER EFI THROTTLE 5 GROUND STARTER A B B A S C A G PO W ER EQ UI PM EN T 5 1 2 3 4 5 6 7 8 9 10 11 12 13 9 10 11 14 13 15 16 17 18 19 20 20 20 21 20 23 24 25 26 27 28 39 38 40 22 35 42 30...

Page 73: ...1 2 Bolt Carriage 10 24 x 1 2 Throttle Control Cable Locknut 10 24 Single Fuse Assy incl 10 11 13 Clip Wire Cover Sealed Single Fuse 5 Amp Fuse Holder Fuse 20 Amp Switch Starter Switch PTO Cluster Ga...

Page 74: ...70 R Section 8 STCII HYDRAULIC PUMP ASSEMBLY Overhaul Seal Kit 5 8 2 20 21 6 24 1 9 10 11 22 26 25 12 13 16 15 3 27 14 18 17 4 19 7 23 28...

Page 75: ...HG 50329 Retaining Ring Internal 12 HG 71971 Cylinder Block Kit 13 HG 2003014 Block Spring 14 HG 2003017 Flat Washer 15 HG 2003087 Swash Plate 16 HG 53502 Thrust Bearing 17 HG 52866 Trunnion Arm 18 HG...

Page 76: ...72 R Section 8 REPLACEMENT DECALS AND INFORMATION PLATES 3 2 1 4 5 6 7 8 9 10 11 12 13 STCII 2016_Decals 1...

Page 77: ...over 9 484453 Decal Heavy Duty Commercial 10 485622 Decal Instrument Panel EFI 11 485655 Decal Instrument Panel 12 484134 Decal Deck Height LH 13 484135 Decal Deck Height RH 14 485629 Decal Tiger CatI...

Page 78: ...ITCH OFF G M A RUN B L A START B L S Position Key Switch Legend Position PTO Switch Legend OFF H F C D ON B C G H E A BATTERY GROUND RED W YEL STRIPE ORANGE YELLOW BLUE YELLOW PINK LIGHT BLUE BLACK BR...

Page 79: ...SWITCH TO ENGINE HARNESS AIR FILTER INDICATOR optional SEAT SWITCH BRAKE INTERLOCK SWITCH RH NEUTRAL SWITCH ORANGE LIGHT BLUE BROWN PINK RED W BLACK STRIPE RED BLACK BLACK GRN W BLK STRIPE WHITE BLUE...

Page 80: ...WHT STRIPE YELLOW WHITE RED BLACK RED W YEL STRIPE MOT FUEL SOLENOID MAGNETO RECTIFIER SOLENOID A KAWASAKI FX ENGINE ADAPTER WIRE HARNESS FUEL SOLENOID MAGNETO RECTIFIER GROUND SOLENOID MOT A GRN W W...

Page 81: ...ction 8 TO ENGINE HARNESS TO MAIN HARNESS GROUND STARTER RED W YEL STRIPE BLACK GRN W WHT STRIPE YELLOW WHITE RED MOT A KOHLER CV ENGINE ADAPTER WIRE HARNESS STCII KOHLER ENGINE ADAPTER ELECTRICAL SCH...

Page 82: ...e 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 cancella...

Page 83: ...2016 Scag Power Equipment Division of Metalcraft of Mayville Inc...

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