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Scag Power Equipment Turf Tiger Diesel Powered STT-28CAT, Operator'S Manual

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Scag Power Equipment Turf Tiger Diesel Powered STT-28CAT Operator'S Manual Download Page 55

51

R

Section 8

STT SUSPENSION SEAT

Ref.
No.

Part No.

Description

1
2
3
4
5
6
7
8
9
10
11
12
13

922A
484709
484717
484711
484710
484712
481638
484713
484714
484708
04041-07
04019-03
491730

Suspension Seat Assembly w/seat belt
Armrest Kit, LH
Seat Belt Kit
Recliner Knob Kit
Armrest Kit, RH
Back Cover
Seat Switch
Track Kit
Suspension Knob Kit
Seat Cushion
Flatwasher, 3/8-.391 x .938 x .105
Nut, Serrated Flange 5/16-18
Seat Plate Weldment w/Decal

Summary of Contents for Turf Tiger Diesel Powered STT-28CAT

Page 1: ...ns 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 speci...

Page 2: ...arge chute Before performing any maintenance or service stop the machine and remove the spark plug wire and ignition key If a mechanism becomes clogged stop the engine before cleaning Keep hands feet...

Page 3: ...k 12 3 5 Hydraulic System 12 3 6 Weights and Dimensions 12 3 7 PRODUCTIVITY 12 OPERATING INSTRUCTIONS SECTION 4 13 4 1 CONTROLS AND INSTRUMENT IDENTIFICATION 13 4 2 SAFETY INTERLOCK SYSTEM 14 4 3 INIT...

Page 4: ...38 7 11 CUTTER DECK GEARBOX 39 7 12 COOLING SYSTEM 39 7 13 BODY DECK AND UPHOLSTERY 40 ILLUSTRATED PARTS LIST SECTION 8 41 8 1 SCAG APPROVED ATTACHMENTS AND ACCESSORIES 41 61V 72V Cutter Deck 42 CUTT...

Page 5: ...Plate Location Figure 1 1 GENERAL INFORMATION USE ONLY SCAG APPROVED ATTACHMENTS AND ACCESSORIES Attachments and accessories manufactured by companies other than Scag Power Equipment are not approved...

Page 6: ...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 Engage Hour me...

Page 7: ...ntains 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 distincti...

Page 8: ...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 fill it indoors Use a funne...

Page 9: ...you must mow in reverse maintain a constant lookout to the rear of the machine and mow slowly DO NOT turn sharply Use care when backing up 11 Disengage power to cutter deck before crossing 12 roads wa...

Page 10: ...nt and rear straps must be directed down and outward from machine Use care when approaching blind corners shrubs 23 trees or other objects that may obscure vision NEVER leave the machine running unatt...

Page 11: ...l wear significant discoloration due to UV exposure dirt or stiffness abrasion to the seat belt webbing or damage to the buckle latch plate hardware or any other obvious problem should be replaced imm...

Page 12: ...ucted to do so If the engine is running keep hands feet and clothing away from moving parts Disengage drives lower implement set parking 2 brake stop engine and remove key or disconnect spark plug wir...

Page 13: ...ne cool before storing 13 DO NOT store the machine near an open flame 14 Shut off fuel while storing or transporting 15 DO NOT store fuel near flames or drain indoors 16 Charge batteries in an open we...

Page 14: ...lt If ROPS is foldable Keep ROPS fully extended whenever possible WHEN ROPS MUST BE DOWN Do not use the seat belt Drive with extra care SERIOUS INJURY OR DEATH MAY RESULT FROM MACHINE ROLLOVER AVOID S...

Page 15: ...ng Brake Instrument Panel Volt Meter Key Switch Throttle Lever BBC Switch Temperature Gauge Fuses Safety Start Module Oil Pressure Gauge Glow Plug Indicator Fuses Two 1 20 Amp 1 50 Amp Resettable powe...

Page 16: ...p Dimension Spindle Shaft Cast Housing Taper Roller Bearing Low Maintenance with Top Access Grease Fitting and Grease Overfill Relief Poppet Spindle Pulleys Split Steel with Easily Removed Taper Hubs...

Page 17: ...ion Glow plugs must be preheated for 5 to 10 seconds before starting the engine Engine Throttle Control Figure 4 1 4 Used to control the engine speed Pushing the lever forward increases engine speed P...

Page 18: ...er clockwise allows the mower to be moved by hand free wheeling DUMP VALVE CONTROL 2007 STTDVC Dump Valve Control Figure 4 2 Deck Lift Foot Lever Figure 4 1 14 Used to raise and lower the cutter deck...

Page 19: ...er motor and shorten battery life Allow engine to warm before operating the mower 8 GROUND TRAVEL AND STEERING 4 5 IMPORTANT If you are not familiar with the operation of a machine with lever steering...

Page 20: ...while traveling in reverse allow the right steering control lever to move forward The further the control is allowed to move forward the quicker the mower will turn right To stop the reverse travel a...

Page 21: ...g Keep tires properly inflated 6 PARKING THE MOWER 4 8 Park the machine on a flat level surface only Do not 1 park the machine on an incline Place the steering control levers in the neutral 2 position...

Page 22: ...e kept in the lowest position to deflect grass clippings and thrown objects downward Direct the side discharge away from sidewalks or streets to minimize cleanup of clippings When mowing close to obst...

Page 23: ...ed cutting height Push forward on the deck lift foot lever hold in place and pull back on the deck release lever See Figure 4 6 Slowly release the foot pedal A deck height decal is located on the cutt...

Page 24: ...levers are even before operating TENSION kNOB TENSION kNOB ROTATE LEvER Adjusting Steering Levers Figure 4 8 The control handle can also be adjusted in two 4 different positions If necessary remove th...

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: ...specified measurement 3 adjust by loosening the jam nuts at both ends of the brake control rod and turning the rod until the proper distance is achieved See Figure 6 1 Tighten the jam nuts With the b...

Page 29: ...ral lock position With an operator in the seat start the engine and 2 disengage the parking brake Run the engine at full operating speed and check if 3 the machine creeps forward or backwards Adjust t...

Page 30: ...ntrol rod to stroke the LH pump less slowing down the LH wheel See Figure 6 4 page 25 NOTE If after making the adjustment as outlined in step 1A the machine creeps forward or backward the neutral adju...

Page 31: ...ents are different the cutter deck level must be adjusted as follows On the front LH side of the cutter deck locate the 1 cutter deck level adjusting bracket See Figure 6 5 LOOSEN HERE ADJUST HERE Cut...

Page 32: ...deck height be sure that the mower is on a flat level surface and the tires are properly inflated Place the cutter deck in the transport position 1 Loosen the jam nuts on both ends of the deck height...

Page 33: ...ance in all types of grass C 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 will enhance fall cutting leaf pickup and reduce cutter deck blowout To adju...

Page 34: ...e 6 10 INSPECTION WINDOW x3 Clutch Air Gap Adjustment Figure 6 10 Locate the inspection windows on the clutch 1 Place a 0 015 feeler gauge in the slot between the 2 rotor and the armature Tighten or l...

Page 35: ...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 Check coolant level See paragraph 7 12 X Change engi...

Page 36: ...llcranks 100 Hours Bi Weekly Chassis Grease 4 5 Cutter Deck Pusharms 100 Hours Bi Weekly Chassis Grease 2 6 PTO Spindle 40 Hours Weekly Lithium MP White Grease 2125 1 7 Cutter Deck Spindle 40 Hours We...

Page 37: ...UBRICANT INTERVAL LITHIUM MP WHITE GREASE 2125 40 HOURS WEEKLY CHASSIS GREASE 100 HOURS BI MONTHLY CHASSIS GREASE 200 HOURS MONTHLY 4 1 6 3 5 7 2 CHASSIS GREASE 500 HOURS YEARLY 390S0145 2 1 8 4 3 5 9...

Page 38: ...voir to 3 inches from the top of the filler 4 neck with 20W50 motor oil Replace the reservoir fill cap Start the engine and 5 drive forward and backward for two minutes Check the oil level in the rese...

Page 39: ...il Filter Element The hydraulic oil filter should be changed after every 500 hours of operation or annually whichever occurs first Remove the oil filter element Figure 7 3 and 1 properly discard it Fi...

Page 40: ...DO NOT use smoking materials near batteries Keep arcs sparks and flames away from batteries Provide proper ventilation and wear safety glasses WARNING Battery posts terminals and related accessories...

Page 41: ...nce frequent belt wear or breakage see your authorized Scag service center for belt adjustment WARNING If the pump drive belt fails steering control will be lost which could result in serious injury o...

Page 42: ...optional Blade Buddy tool P N 9212 to assist in securing the cutter blades remove the nut from the blade attaching bolt Remove the cutter blade bolt and spacer from the spindle shaft Figure 7 7 NOTE T...

Page 43: ...rbox should be changed every 500 hours of operation or yearly whichever occurs first Place a suitable container beneath the cutter deck 1 gearbox and locate the gearbox drain plug Remove the drain plu...

Page 44: ...excessive debris and clean with compressed air Never spray a hot engine with water use only compressed air to remove debris Re install the debris screen to the radiator 3 C Checking The Fan Belt Tens...

Page 45: ...ed attachments and accessories GC STT 61V p n 900K STT61V 28CAT requires GC 28 CAT Install Kit p n 9079 GC STT CS61V p n 900Q STT61V 28CAT requires GC 28 CAT Install Kit p n 9079 Mulch Plate p n 9288...

Page 46: ...62 58 48 56 61 61 7 11 79 57 20 57 84 48 83 2 69 10 26 42 39 21 74 73 23 24 22 20 20 27 30 14 29 32 33 28 35 31 25 43 44 34 30 85 52 51 54 55 2012 STT 28CAT CD 4 7 23 78 6 59 50 63 49 22 20 47 86 60...

Page 47: ...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 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85...

Page 48: ...CONTROLS STT 28CAT 2008CDC 6 4 21 19 14 32 35 36 34 33 19 14 11 13 4 3 2 5 44 1 42 41 38 14 39 40 37 43 45 7 8 9 12 18 17 16 15 21 14 19 20 22 27 14 19 28 14 19 25 26 23 14 19 CUTTER DECK 19 28 30 24...

Page 49: ...ht Adjustment Bolt Shoulder 1 2 x 3 4 Bushing 502 ID Grip Deck Latch Deck Latch Includes items 9 10 Lockplate Decklift Screw Cap 5 16 18 x 3 FHHS Nut Hex Serrated Flange 3 8 16 Guide Long Bolt Carriag...

Page 50: ...METAL COMPONENTS 2011 STT 28CAT SMC 1 6 25 31 9 5 4 2 3 32 34 35 42 33 35 36 37 39 40 41 43 46 32 45 44 44 38 38 45 28 16 9 21 19 17 15 20 18 22 23 24 7 18 29 30 9 49 50 51 12 8 13 8 48 A A 11 11 47...

Page 51: ...nge 5 16 18 Nut Hex Serrated Flange 1 4 20 Bolt Hex Head 1 4 20 x 1 1 4 Retaining Ring 625 EXT E Seat Plate Weldment w Decal Fender Weldment RH Bolt Carriage 1 4 20 x 6 Battery not avail through Scag...

Page 52: ...48 R Section 8 2 3 4 4 2 3 4 3 4 1 1 1 7 8 6 9 5 7 5 11 10 11 6 10 9 2 5 5 STT ROLL OVER PROTECTION SYSTEM...

Page 53: ...04001 87 04021 19 04040 13 484168 04001 163 04021 07 425487 484170 484169 484167 STT ROPS Bolt Hex Head 1 2 13 x 4 Nut Center Lock 1 2 13 Flatwasher 1 2 562 x 1 375 x 109 Pin Assembly incl 9 10 Bolt...

Page 54: ...50 R Section 8 STT SUSPENSION SEAT 12 13 11 1 7 6 5 9 8 4 2 3 9 3 3 3 3 3 10...

Page 55: ...484710 484712 481638 484713 484714 484708 04041 07 04019 03 491730 Suspension Seat Assembly w seat belt Armrest Kit LH Seat Belt Kit Recliner Knob Kit Armrest Kit RH Back Cover Seat Switch Track Kit S...

Page 56: ...29 61 50 27 40 42 27 41 38 26 3 53 52 30 28 69 26 56 70 71 69 72 73 74 64 65 68 67 66 31 57 58 59 19 60 46 47 43 49 7 51 10 55 54 1 44 48 23 28 19 29 25 24 8 7 39 9 62 63 36 10 14 18 34 35 34 33 32 36...

Page 57: ...8 Spring Transmission Idler Bolt Hex Head 3 8 16 x 1 Flatwasher 3 8 391 x 938 x 105 Bracket Nut Serrated Flange 5 16 18 Bumper Rubber Cover Rear Bolt Carriage 5 16 18 x 3 4 Pulley 6 35 Tapered Bore Be...

Page 58: ...18 19 6 7 8 14 9 10 11 12 13 23 24 60 7 44 7 46 45 18 45 18 57 54 47 48 49 57 54 48 56 48 55 18 18 18 52 51 50 18 18 59 58 18 22 21 13 17 17 20 17 20 17 13 16 15 3 2 4 7 3 5 A 53 54 C 33 31 30 29 43...

Page 59: ...Pump Mounting Plate Weldment Clamp 2 1 4 Max Dia Hose Air Intake Bolt Hex Head M8 1 25 x 20 Lockwasher 5 16 Spring Elbow 45 Degree Oil Pressure Sender Bolt Hex Head M6 1 0 x 16 Lockwasher 1 4 Spring T...

Page 60: ...PARTS CAT DIESEL STT CAT 2012 RAP A C B B B B C C C 1 4 3 3 4 9 5 9 8 10 11 6 6 8 9 10 10 9 8 7 14 13 28 28 31 30 14 30 14 22 14 13 9 10 8 10 9 8 8 10 21 7 27 17 20 29 26 24 25 23 24 2 17 29 12 13 15...

Page 61: ...2 Foam Seal 1 2 x 1 4 x 14 1 2 Radiator Cap Latch Hood Screw 10 32 x 56 Bolt Hex Head 1 4 20 x 63 Lockwasher 1 4 Spring Flatwasher 1 4 312 x 750 x 065 Heatshield Bracket Radiator Support Flatwasher 3...

Page 62: ...6 42 43 44 83 15 56 70 69 71 62 65 64 67 60 52 51 50 34 35 TO RH PUMP TO LH PUMP 37 36 27 28 35 33 77 34 31 30 29 8 11 32 13 B 9 B 25 18 72 49 55 54 6 26 84 68 66 37 36 61 59 7 20 13 14 22 14 39 16 24...

Page 63: ...3 8 24 LH Thread Locknut 5 16 18 Elastic Stop Gas Damper Rod End 3 8 24 RH Female Grease Fitting Lever Parking Brake Inc item 43 Grip Parking Brake Bolt Hex Head 3 8 16 x 2 3 4 Swivel Joint 46 47 48 4...

Page 64: ...P 32 48 54 53 20 FROM FUEL RAIL 23 F E G 27 22 25 26 30 24 31 4 34 46 34 D I H 3 18 1 1 B 3 6 5 4 8 9 11 13 16 15 RIGHT ENGINE FRAME RAIL 4 2 7 48 28 47 38 37 27 23 12 17 52 14 41 44 42 41 41 z 56 59...

Page 65: ...33 Cap Hydraulic Tank Insert Filler Neck Nut Hex Elastic Stop 1 4 20 Screw Phillips Head 1 4 20 Support Bracket Hydraulic Tank Bushing 56 Dia Viton Elbow 90 Degree 38 Hose Bushing 78 Dia Viton Elbow...

Page 66: ...n 8 BDP 16A HYDRAULIC PUMP ASSEMBLY with Cooling Fan OR OR PORT A SIDE PORT B SIDE Overhaul Seal Kit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 17 18 19 20 20 21 21 22 23 24 25 26 27 28 29 30 31 32 33...

Page 67: ...48 HG52016 HG52014 HG52256 HG44809 HG52059 Overhaul Seal Kit Valve Plate Cylinder Block Kit 16cc Thrust Ball Bearing Assembly Variable Swashplate Slot Guide Trunnion Arm Block Spring Block Thrust Wash...

Page 68: ...46 46 46 45 46 47 45 44 46 29 30 31 29 30 31 38 37 36 25 26 29 31 30 29 31 30 9 6 8 7 31 35 32 33 34 4 24 23 22 2011 STT 28CAT ES 40 39 TO FUEL SHUTOFF SOLENOID TO GLOW PLUGS TO FUEL PUMP 43 39 40 21...

Page 69: ...5 8 ID Cable Battery Red Cable Battery Black Nut Hex 1 4 20 Bolt Hex Head 1 4 20 x 5 Battery Not Available Through Scag Switch Interlock Normally Open Main Wire Harness STT Cat Circuit Breaker 50 AMP...

Page 70: ...e tips while ROPS is fully extended and using seat belt If ROPS is foldable Keep ROPS fully extended whenever possible WHEN ROPS MUST BE DOWN Do not use the seat belt Drive with extra care SERIOUS INJ...

Page 71: ...ty Commercial Decal Belt Cover Decal Warning Decal ROPS Decal Cutting Height Lower Decal Cutting Height Upper Decal Start Drive Procedure Decal Instrument Panel Upper CAT Decal Instrument Panel Lower...

Page 72: ...RED RED RED LIGHT BLUE BLUE BLACK BLACK BLACK BLACK BLACK RED RED WHITE W BLK STRIPE WHITE BLACK RED RED BLACK BLACK WHT W PURPLE STRIPE WHT W PURPLE STRIPE PINK ORANGE BROWN BLUE RED PURPLE LIGHT BLU...

Page 73: ...er 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 co...

Page 74: ...2013 Scag Power Equipment Division of Metalcraft of Mayville Inc...

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