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PART NO. 03395

PRINTED 9/2015

PRINTED IN USA

© 2015

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.

SWZT

Walk-Behind

Model: 

SWZT36-14FS

 

SWZT48-15FS

 

SWZT52-18FS

 

SWZT52-18FSE

 

SWZT61-22FSE

 

OPERATOR’S 

MANUAL

Summary of Contents for SWZT36-14FS

Page 1: ...ion 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 b...

Page 2: ...away from power driven parts Keep others off the mow er 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 awa...

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: ...r Cleaner 29 7 7 Battery eLECTRIC START MODELS 29 7 8 CUTTER BLADES 30 7 9 TIRES 31 NOTES 32 ILLUSTRATED PARTS LIST SECTION 8 33 8 1 SCAG APPROVED ATTACHMENTS AND ACCESSORIES 33 36 CUTTER DECK 34 48 C...

Page 5: ...AL NUMBER 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 othe...

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: ...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: ...quipment 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...

Page 9: ...isengaging the mower stopping the engine and removing the key Disengage power to the attachments when 15 transporting or when not in use The machine and attachments should be stopped 16 and inspected...

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: ...directing discharge Read instruction manual before operating ROTATING BLADES AND BELTS DO NOT OPERATE UNLESS GRASS CATCHER MULCHING kIT OR DISCHARGE CHUTE IS INSTALLED 483406 483404 SPINNING BLADES k...

Page 12: ...tches Operator Presence Mower Engagement BBC Transmission Neutral Instrument Panel Key Switch Throttle Lever Choke Control PTO Switch Hour Meter ENGINE DECK 3 3 Drive System Hydraulic Drive with Two H...

Page 13: ...ne Plastic Flexible Spindles Heavy Duty Spindle Shaft Cast Aluminum Housing Sealed Ball Bearing Maintenance Free Spindle Pulleys Split Steel Cutter Deck Belts B section with Kevlar Cord Self Adjusting...

Page 14: ...ngage 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 Pushing the lever forward increases engine spee...

Page 15: ...o yourself and others or property damage could result INITIAL RUN IN PROCEDURES 4 3 First Day of Use or Approximately 20 Hours Check all belts for proper alignment and wear at 2 4 1 and 8 hours Change...

Page 16: ...h mower operation While learning the operation of the steering controls keep the travel speed low Reverse Travel Caution Disengage power to the mower before backing up Do not mow in reverse unless abs...

Page 17: ...e machine on a flat level surface only Do not 1 park the machine on an incline Disengage the cutter blades 2 Shift the speed control lever into the neutral position 3 lock the neutral latches and appl...

Page 18: ...tire Grass Catcher properly installed The discharge chute must not be removed and 2 must be kept in the lowest position to deflect grass clippings and thrown objects downward Direct the side discharge...

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: ...JUSTMENTS NOTE If this procedure does not achieve proper brake adjustment please contact your authorized Scag dealer Neutral adjustment 6 2 NOTE Neutral has been set by your Scag dealer at the time of...

Page 23: ...m nuts See Figure 6 4 CONTACT HERE Control Rod Adjustment Figure 6 4 Repeat steps 3 and 4 on the right side as needed 5 Tracking adjustment 6 4 note Before proceeding with this adjustment be sure that...

Page 24: ...er check the belts after every 40 hours of operation or weekly whichever occurs first WARNING If the pump drive belt fails steering control will be lost which could result in serious injury or death R...

Page 25: ...n front of the cutter deck hanging chains The measurement at the front of the cutter deck should be the same as the rear of the deck Make these measurements at the LH side of the cutter deck also If t...

Page 26: ...th sides of the cutter deck Hold the cutter deck in position and tighten the 5 elastic stop nuts to secure the cutter deck in the proper position electric clutch adjustment 6 9 The electric clutch ser...

Page 27: ...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 28: ...8 X Check tire pressure See paragraph 7 9 X Check the operator interlock system See paragraph 4 2 X Change engine oil and filter See paragraph 7 3 X Inspect transmission drive belt Replace every 400...

Page 29: ...afts See paragraph 7 2 X Drain hydraulic system replace hydraulic oil and filters Use SAE 20W50 Motor Oil See paragraph 7 2 X Adjust electric PTO clutch See paragraph 6 6 Perform these maintenance pro...

Page 30: ...and Drain Plug Figure 7 2 Place a suitable container under the hydraulic 3 oil filters Remove the fill cap from the expansion reservoir Hydraulic System 7 3 A Checking Hydraulic Oil Level The hydraul...

Page 31: ...It may be necessary to repeat steps 11 to 15 until the air is completely purged from the system Check the hydraulic system oil level as explained in 16 Section 7 2 Remove the hydraulic filters from bo...

Page 32: ...mum octane rating of 87 and a maximum of 10 Ethanol DO NOT use E85 Fuel Using E85 Fuel will cause severe damage to the engine E F 1 4 1 2 3 4 FUEL LEVEL FILLER NECK INSERT C A R B EPA Phase 3 Fuel Lev...

Page 33: ...re 4 Battery eLECTRIC START MODELS 7 7 WARNING Lead acid batteries produce flammable and explosive gases To avoid personal injury when checking testing or charging batteries DO NOT use smoking materia...

Page 34: ...positive cable to the positive battery post then connect the negative cable to the negative battery post CUTTER BLADES 7 8 A Blade Inspection Remove the ignition key before servicing the blades 1 WARN...

Page 35: ...assist in securing the cutter blades remove the blade attaching bolt Remove the cutter blade bolt lockwasher and flatwasher from the spindle shaft See Figure 7 7 Caution Inspect the cutter blade spac...

Page 36: ...32 R Section 7 NOTES...

Page 37: ...manufactured by companies other than Scag Power Equipment are not approved for use on this machine Scag approved attachments and accessories Mulch Plate p n 920G 9298 9299 Hurricane Mulch p n 920D 92...

Page 38: ...34 R Section 8 36 CUTTER DECK 2014 SWZT 36CD 31 32 33 34 32 35 36 1 2 3 4 5 5 6 6 7 9 9 8 10 11 12 13 15 1 46 12 19 18 18 20 21 26 25 23 23 24 29 28 17 1 16 14 45 45 44 43 42 27 41 40 37 38 39 30 22...

Page 39: ...1 x 938 x 105 Hardened Bearing Plastic Idler Arm incl item 18 Pivot Idler Bolt Hex Head 3 8 16 x 3 1 4 Cutter Deck w Decals SMWZT 36 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 4...

Page 40: ...ECK 36 37 38 39 37 40 41 2014 SWZT CD Rev 1 35 32 33 34 31 30 29 25 42 47 46 6 43 44 44 45 1 48 49 51 50 29 52 19 20 22 18 15 16 1 14 15 21 22 23 24 9 9 11 10 12 3 4 10 5 6 7 6 1 8 2 3 4 1 6 7 3 4 10...

Page 41: ...ad 5 16 18 x 4 3 4 Cutter Deck w Decals SMWZT 48 Flatwasher 3 8 406 x 2 25 x 188 Bolt Hex Head 3 8 16 x 3 3 4 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 040...

Page 42: ...7 38 39 37 40 41 2014 SWZT 52 CD 35 32 33 34 31 30 42 47 46 6 43 44 44 45 1 48 49 52 19 20 22 18 15 1 14 15 21 22 23 24 9 9 11 10 12 3 4 10 5 6 7 6 1 8 2 3 4 1 6 7 3 4 10 17 13 29 51 50 29 27 26 53 28...

Page 43: ...x 2 25 x 188 Bolt Hex Head 3 8 16 x 3 3 4 Bolt Hex Head 3 8 16 x 3 1 2 Nut Serrated Flange 3 8 16 Bolt Hex Head 5 16 18 x 1 1 2 Gr 8 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52...

Page 44: ...1 2 2 2 6 7 4 4 5 5 8 8 8 8 9 9 10 10 13 12 6 57 14 15 15 16 17 61 55 54 18 18 19 20 62 8 22 21 6 27 28 23 24 25 26 29 30 31 32 33 34 35 36 36 37 38 39 40 41 26 42 43 44 46 45 45 47 53 49 48 50 51 52...

Page 45: ...op 5 16 18 Gr 8 Lockwasher 5 16 Spring Bolt Hex Head 5 16 18 x 1 1 2 Gr 8 Cutter Blade 21 Flatwasher 5 8 688 x 1 75 x 134 HD Lockwasher 5 8 Spring Bolt Hex Head 5 8 11 x 1 1 2 34 35 36 37 38 39 40 41...

Page 46: ...CK CONTROLS A A 1 2 3 4 5 6 7 8 9 10 10 13 14 12 11 10 9 12 11 17 6 7 16 5 15 9 38 36 37 38 10 18 19 20 14 13 5 21 20 10 9 22 21 9 10 5 10 22 9 23 24 23 34 25 27 26 26 29 30 31 32 34 33 35 10 28 5 39...

Page 47: ...6 x 1 1 2 Nut Serrated Flange 3 8 16 Bearing Deck Lift Reinforcement Bearing Cpscrw 5 16 18 x 1 Serrated Flange Hex Head Nut Center Lock 5 16 18 Deck Lift Weldment Front Deck Lift Weldment Front SWZT6...

Page 48: ...HYDRAULIC SYSTEM A A B B 1 2 3 4 5 6 4 7 8 9 11 12 13 14 15 16 16 17 10 19 18 8 21 20 23 60 25 26 14 27 28 29 30 31 32 33 34 35 36 36 37 41 43 42 38 39 40 58 59 44 45 44 49 46 47 48 55 51 52 50 53 54...

Page 49: ...5 16 18 x 3 4 Nut Serrated Flange 1 4 20 Fan Cover RH Fan Cover LH Skid Plate Cpscrw 5 16 18 x 3 4 Serrated Flange HH Nut Serrated Flange 5 16 18 Bolt Hex Head 5 16 18 x 3 32 33 34 35 36 37 38 39 40 4...

Page 50: ...ONTROLS A A B B 1 1 1 1 1 1 2 3 4 5 3 10 9 8 6 7 4 52 9 47 53 26 45 46 6 23 44 43 42 45 26 48 41 23 40 49 51 50 35 34 26 1 39 38 25 36 35 37 36 33 30 32 30 31 29 11 27 13 12 26 14 15 16 6 17 22 28 18...

Page 51: ...ge 1 4 20 x 1 1 4 Bolt Hex Head 5 16 18 x 1 3 4 Nut Elastic Stop 5 16 18 Nut Elastic Stop 10 32 Bolt Shoulder 3 8 x 375 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 04021...

Page 52: ...48 R Section 8 BRAKE COMPONENTS A A 18 1 2 3 5 7 6 4 8 9 10 11 12 13 14 1 15 16 1 13 12 4 6 17 19...

Page 53: ...04017 27 Pin Rue Cotter 3 8 Dia Brake Lever w Grip Grip Brake Lever Hair Pin 080 x 1 19 Rod Brake Linkage Cpscrw 5 16 18 x 3 4 Serrated Flange HH Cotter Pin 3 32 x 3 4 Flatwasher 3 8 406 x 812 x 065...

Page 54: ...50 R Section 8 ELECTRICAL SYSTEM AND THROTTLE CONTROL MANUAL START SCA G POWER EQUIPME NT 1 2 6 3 4 5 7 11 8 10 9 13 12 14 20 15 31 14 13 12 14 15 21 22 23 26 24 25 27 28 29 30 16 19 17 18...

Page 55: ...w Decal Bolt Carriage 10 24 x 1 2 Bolt Carriage 5 16 18 x 3 4 PTO Switch Throttle Cable Key Switch Nut Elastic Stop 10 24 Choke Control Nut Serrated Flange 1 4 20 Bracket Operator Presence Switch Swit...

Page 56: ...AL SYSTEM AND THROTTLE CONTROL ELECTRIC START SCA G POWER EQUIPME NT 1 2 6 3 4 5 7 11 8 10 9 13 12 14 20 15 31 14 13 12 20 15 21 22 23 24 16 19 17 18 20 20 32 33 34 35 26 25 27 28 29 30 40 43 RED 44 B...

Page 57: ...Bolt Carriage 10 24 x 1 2 Bolt Carriage 5 16 18 x 3 4 PTO Switch Throttle Cable Key Switch Nut Elastic Stop 10 24 Choke Control Nut Serrated Flange 1 4 20 Bracket Operator Presence Switch Switch Bolt...

Page 58: ...54 R Section 8 SWZT FUEL SYSTEM To Fuel Pump To Engine Purge Port A B Tank Purge A B 3 2 1 4 5 6 7 8 9 10 10 11 13 12 12 12 23 24 25 26 18 19 17 19 20 21 22 12 13 14 15 16 28 15 29 27 28 15 16 30...

Page 59: ...uel Gauge Fuel Tank Assembly incl 2 3 5 6 17 18 Bushing 56 Dia Viton Ball Valve w Screen Clamp Fuel Hose Fuel Hose 1 4 ID order by inch Fuel Filter Clamp Fuel Hose Fuel Hose Clamp Vapor Recovery Hose...

Page 60: ...LIC AXLE ASSEMBLY Overhaul Seal Kit 1 3 2 6 5 4 7 4 10 9 8 11 12 13 14 15 16 17 18 19 20 24 23 21 22 25 26 27 28 29 30 31 32 33 34 35 36 37 41 42 43 38 40 45 44 39 46 49 48 50 51 52 57 58 59 60 62 63...

Page 61: ...0 x 52 x 15 Open Spacer 1 355 x 2 035 x 021 Seal Lip TC4 1 0 x 2 06 x 38 Hub Kit Nut Hex Locking Cap Axle Ring Retaining 2 06 Internal 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56...

Page 62: ...53 8 3 1 4 4 1 2 3 1 2 3 3 3 4 4 4 1 4 2 3 4 2 1 2 2 1 4 2 1 3 4 1 1 2 13 COMMERCIAL GRADE 7 5 WARNING Keep hands feet clothing clear Keep all guards in place Shut off engine disengage blade clutch be...

Page 63: ...l Instrument Panel Manual Start Decal Instrument Panel Electric Start Only Decal Scag Logo Decal Belt Cover Decal Handle LH Decal Handle RH Decal Warning Rotating Blades Decal Metalcraft USA Decal 36...

Page 64: ...OR PRESENCE SWITCH KEY SWITCH NEUTRAL INTERLOCK SWITCH BRAKE INTERLOCK SWITCH CLUTCH GROUND MAGNETO CHARGING HM BLACK W RED STRIPE BLACK YELLOW BLACK BLACK YELLOW YELLOW BLACK W RED STRIPE BLUE WHITE...

Page 65: ...ER SOLENOID MOT A BATTERY A GROUND CLUTCH BLACK W RED STRIPE BLACK W RED STRIPE BLACK W RED STRIPE BLACK W RED STRIPE BLACK W RED STRIPE BLACK W RED STRIPE YELLOW W RED STRIPE YELLOW W RED STRIPE YELL...

Page 66: ...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 67: ...2015 Scag Power Equipment Division of Metalcraft of Mayville Inc...

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