Scag Power Equipment SRC-52D-37BV-EFI Operator's Manual
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Scag Power Equipment SRC-52D-37BV-EFI Operator's Manual

Scag Power Equipment SRC-52D-37BV-EFI Operator's Manual

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OPERATOR'S
MANUAL
Congratulations on owning a Scag RC Extreme Slope Mower! This manual
contains the operating instructions and safety information for your Scag remote
controlled mower. Reading this manual can provide you with assistance in
maintenance and adjustment procedures to keep your machine performing at
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.
© 2025
Scag Power Equipment
Division of Metalcraft of Mayville, Inc.
RC Extreme
Slope Mower
Model:
SRC-52D-37BV-EFI
PART NO. 03596
PRINTED 4/2025
PRINTED IN USA

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Summary of Contents for Scag Power Equipment SRC-52D-37BV-EFI

  • Page 1 Slope Mower Model: SRC-52D-37BV-EFI Congratulations on owning a Scag RC Extreme Slope Mower! This manual contains the operating instructions and safety information for your Scag remote controlled mower. Reading this manual can provide you with assistance in maintenance and adjustment procedures to keep your machine performing at maximum efficiency.
  • Page 2 WARNING FAILURE TO FOLLOW SAFE OPERATING PRACTICES MAY RESULT IN SERIOUS INJURY OR DEATH. • Read this manual completely as well as other manuals that came with your remote controlled mower. • DO NOT operate on slopes steeper than the mower is rated for. •...

  • Page 3: Table Of Contents

    Table of Contents Table of Contents SECTION 1 - GENERAL INFORMATION ...................1 1.1 INTRODUCTION ............................1 1.2 DIRECTION REFERENCE .........................1 1.3 SERVICING THE ENGINE, BATTERY, AND DRIVE TRAIN COMPONENTS ........1 1.4 SYMBOLS ..............................2 SECTION 2 - SAFETY INFORMATION ..................3 2.1 INTRODUCTION ............................3 2.2 SIGNAL WORDS ............................3 2.3 BEFORE OPERATION CONSIDERATIONS ....................4 2.4 TESTING THE SAFETY INTERLOCK SYSTEM ..................5...
  • Page 4 CONTROL PANEL GROUP ...........................64 CONTROL PANEL GROUP ...........................66 ENGINE INSTALL GROUP ..........................68 DECK GUARD GROUP ..........................70 7.2 SCAG RC EXTREME SLOPE MOWER ELECTRICAL PRINTS ............73 GENERAL NOTES ............................73 CHARGER, 48VDC BATTERIES, 48VDC & 0VDC BUS ................74 ICE & ALTERNATOR ............................76 CONTROLLER CONTACTORS ........................77...
  • Page 5 Table of Contents TRACTION CONTROLLER #2 ........................80 RIGHT / REAR DECK CONTROLLER ......................81 FRONT / LEFT DECK CONTROLLER ......................83 TIMER MODULE .............................85 OPERATOR PANEL & RELAYS ........................86 RELAYS ................................88 FORT RECEIVER & VOLTAGE FILTER .......................89 LIGHTS, DIAGNOSTIC PLUG ........................90 DECK LIFT ACTUATORS, & WINCH CONNECTION .................91 LIMITED WARRANTY - RC MOWER ............INSIDE BACK COVER...

  • Page 6: Section 1 - General Information

    Attachments and accessories manufactured by companies industry. However, the prolonged life and maximum other than Scag Power Equipment are not approved for use efficiency of your mower depends on you following the on this machine. Be aware that using attachments with the operating, maintenance, and adjustment instructions in mower may affect stability.

  • Page 7: Symbols

    Section 1 1.4 SYMBOLS DESCRIPTION SYMBOL DESCRIPTION Disposal Deck Motor Drive Parking Brake Spinning Blade 48071S On/Start Shock Hazard Off/Stop Recycle Charging From Alternator Thrown Object Hazard Charging From Wall Charger Spring Tension on Idler Continuously Variable - Linear Cutting Element - Basic Symbol Pinch Point Cutting Element - Engage 481039S...

  • Page 8: Section 2 - Safety Information

    Section 2 SAFETY INFORMATION 2.1 INTRODUCTION 2.2 SIGNAL WORDS Your mower is only as safe as the operator. Carelessness or operator error may result in serious bodily injury or death. 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.

  • Page 9: Before Operation Considerations

    Section 2 2.3 BEFORE OPERATION 14. Only allow responsible adults who are familiar with the instructions to operate the machine. CONSIDERATIONS 15. Be sure the area is clear of bystanders and pets before operating. Stop the machine if anyone enters WARNING the area.

  • Page 10: Testing The Safety Interlock System

    DO NOT use the machine and contact operator/bystanders. Scag Engineering recommends your local Authorized Scag Power Equipment Dealer at least 15 feet when moving on flat ground and 50 immediately for repair of the safety interlock system.

  • Page 11: Safe Handling And Use Of Batteries

    Section 2 2.5 SAFE HANDLING AND USE OF WARNING BATTERIES DO NOT operate on steep slopes exceeding the DANGER rated maximum. To check a slope, attempt to back up it (with the cutter deck down). If the machine can back up the slope without the tracks slipping, To avoid personal injury or property damage, use reduce speed and use extreme caution.

  • Page 12: Transporting The Mower

    Section 2 18. NEVER have two remotes that are paired with 31. DO NOT run the machine if the batteries are on the same machine on or usable at the same time. different firmware versions. Unpredictable or hazardous conditions are possible. 32.

  • Page 13: Maintenance Considerations & Storage

    Section 2 9. NEVER spray water on any electronic components . WARNING 10. NEVER allow untrained personnel to service the machine. 11. Use care when checking blades. Use a Blade Buddy Be cautious when loading and unloading onto (P/N 92125), wrap the blade(s) or wear gloves and trailers or trucks.
  • Page 14 Section 2 Figure 2-2. Angle Reference...

  • Page 15: Safety Decal Location

    Section 2 2.9 SAFETY DECAL LOCATION...

  • Page 16: Battery/Engine

    Section 3 SPECIFICATIONS 3.1 BATTERY/ENGINE 48V Battery System: Battery Type ...........................Alliance I48-3.0 Lithium Ion Battery Voltage ............................... 48 Volt Total Battery Capacity..............................9 kWh Number of Batteries on Machine ............................. 3 Battery Fixed / Removable ..........................Removable Limp Mode ................................... Yes Charging Method ....................48 Volt Alternator, Optional Wall Charger 12V Battery System: Battery Type ..............................Lead-Acid Battery Voltage ...............................

  • Page 17: Cutter Deck

    Section 3 Parking Brake ........................Internal / Electrically Activated Parking Brake Setup/Override ....Normally Engaged / Automatically Disengaged / Hand Lever Manual Override Steering/Travel Control ............Fort Safety Remote Joystick Steering Control with Individual Control to Each Track Tracks: (2) Drive .................OTR C Track - 180mm Width/72 mm Pitch/3240mm Length Travel Speed: Forward ..............................

  • Page 18: Section 4 - Operating Instructions

    Section 4 OPERATING INSTRUCTIONS WARNING 2. PTO Switch (Figure 4-2). Used to engage and disengage the mower deck system. Pulling out on the switch with the remote engaged will allow the remote to engage the deck drive motors. Pushing in Do not attempt to operate this mower unless you the switch will disengage the deck drive motors.
  • Page 19 Rotate the valve clockwise to shut off the fuel supply use to tow other equipment or attach attachments to the engine. that are not approved by Scag Power Equipment. 7. Fuel Gage (Figure 4-1). Indicates the amount of fuel 15. Winch (Figure 4-1). Used to recover the machine in the fuel tank.

  • Page 20: Mower Display

    Scag Power Equipment logo briefly (See 26. Remote Power (Figure 4-3). Used to turn the Figure 4-5) then proceed to the main display screen (See remote on and off.
  • Page 21 Section 4 Figure 4-5. Scag Power Equipment Logo Screen Figure 4-7. Mower Display Menu Button Adjusting the brightness of the mower display screen. 1. Select the Brightness screen using the Menu button. 2. Use the positive (+) and negative (-) buttons on the screen to increase or decrease the display screen brightness to the desired setting.
  • Page 22 Section 4 Figure 4-9. Time & Date Screen Figure 4-11. Diagnostics Screen The information screen on the mower display will reference to see the operator's manual for mower information. See Figure 4-10. No other information will display on this screen. Figure 4-12.

  • Page 23: Safety Interlock System

    If the safety interlock system does not operate as described below, DO NOT use the machine and contact your local Scag Power Equipment Dealer immediately for repair of the safety interlock system. 1. Engage the PTO switch to the ON (pulled out) position.

  • Page 24: Starting The System

    Section 4 6. Check Fuel and Oil systems for leaks at 8 and 20 Learn the operation on flat ground before operating hours. on slopes or around obstacles. 7. Change engine oil and oil filter after the first 50 Start practicing with a slow forward travel speed. hours of operation.

  • Page 25: Engaging The Deck Motors (Cutter Blades)

    Section 4 4.8 ENGAGING THE DECK MOTORS To steer the mower right while traveling forward, pull the right joystick back. The further the joystick is pulled back, (CUTTER BLADES) the quicker the mower will turn right. 1. With the machine powered on and remote engaged, - NOTE - pull out the yellow PTO switch, located on the operator panel, to the engaged position.
  • Page 26 Section 4 13. Loss of traction may occur when traveling down hill. WARNING Weight transfers to the front of the machine and may cause the tracks to slip causing loss of braking or steering. DO NOT operate on steep slopes. To check a slope, attempt to back up it (with the cutter deck 14.

  • Page 27: Parking The Mower

    Section 4 -IMPORTANT- WARNING Do not use water, high pressure spray or direct the spray onto electrical components. Water will damage the electrical components. Reduce speed when turning, operating on slopes, 2. Keep the entire mower clean to inhibit fires and slick or wet surfaces.

  • Page 28: Moving Mower With The Machine Shut Off

    Section 4 4.13 MOVING MOWER WITH THE 8. When cutting thick grass aggressively, manually turn on engine if battery SOC is below 75 percent and MACHINE SHUT OFF pay attention to battery SOC. If SOC drops below 30 percent while the alternator is running, attempt to To “free-wheel”...

  • Page 29: Starting The Engine

    Section 4 -NOTE- WARNING The charge time of the battery is affected by numerous factors, including battery amp-hour Only use with Scag approved chargers. capacity, depth of discharge, battery temperature, and battery age / usage. Unapproved chargers can result in battery failure, fire or explosion.

  • Page 30: Winch Mode

    Section 4 5. The engine can be started manually to supply 12V 4. Check that the installation of the winch and its power to the winch using the remote. When you are connectors is correct and secure. prepared to use the winch, press and hold the "4" 5.

  • Page 31: Turning Off The Engine

    Section 4 3. The machine goes over its maximum allowable operating angle of 45 degrees. 4. The batteries are in a state where they would not be capable of accepting the regeneration current from a deck shutdown. This is most commonly associated with the batteries being at their thermal limits.

  • Page 32: Section 5 - Adjustments

    Section 5 ADJUSTMENTS 5.1 TRACK TENSION ADJUSTMENT WARNING NEVER work under a suspended machine or CAUTION component. Failure of the lifting method can cause serious injury or death due to crushing. Shut off the machine, remove the key, and press Never leave a suspended machine unattended.

  • Page 33: Cutter Deck Adjustments

    2. Turn the adjustment bolts on the front and rear deck correct the track tension, contact your local level links clockwise until the cutter deck is level Authorized Scag Power Equipment Dealer. between both sides. See Figure 5-2. 3. Tighten the two (2) elastic stop nuts to secure the 5.2 CUTTER DECK ADJUSTMENTS...

  • Page 34: Belt Adjustments

    Note: Your local Scag authorized service center is best- Authorized Scag Power Equipment service center has the suited for completing all necessary maintenance and required tools to make the adjustment to recalibrate the repairs on the alternator, engine, and belt tensioner display readout to the actual cut height of the machine.
  • Page 35 Section 5 1. Loosen the set bolt until the tensioner assembly can freely rotate around the set bolt. See Figure 5-4. 2. Use a wrench on the tensioner nut to rotate the tensioner pulley against the belt until the top notch of the tensioner is aligned with the 3rd notch on the lower part of the assembly.

  • Page 36: Section 6 - Maintenance

    Section 6 MAINTENANCE 6.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS HOURS PROCEDURE COMMENTS B R E A K - I N BREAK-IN 1000 (FIRST 10) (FIRST 50) Check all hardware for tightness Check batteries, battery terminals See paragraph 6.3 and cables Check engine oil tank, hoses, and connections for leaks Check alternator belt for tension...

  • Page 37: Grease Fitting Location Chart

    Section 6 6.2 GREASE FITTING LOCATION CHART...

  • Page 38: Batteries

    DO NOT use the machine if the battery becomes wet or flooded with water. Contact an Authorized WARNING Scag Power Equipment Dealer for instructions. Only use with Scag approved chargers. Unapproved chargers can result in battery failure, fire or explosion. Before you use the charger,...

  • Page 39: Lithium Battery Maintenance

    Inspect the batteries for damage. Do not use a battery if the and check again. If voltage remains present, casing is cracked, gashed, bulging, warped, or damaged. immediately contact an Authorized Scag Power Contact an Authorized Scag Power Equipment Dealer. Equipment Dealer. D. CLEANING AND STORING THE LITHIUM BATTERIES...
  • Page 40 Section 6 -NOTE- WARNING Incorrect storage can cause battery damage, permanent loss of battery capacity, or cause the Electric storage battery fluid contains sulfuric battery to be unserviceable. If a fully discharged acid which is POISON and can cause SEVERE battery is in storage, the battery will become CHEMICAL BURNS.

  • Page 41: Cutter Blades

    Section 6 Charging rates between 3 and 50 amperes are satisfactory 5. If a blade cutting edge is dull or nicked, it should be if excessive gassing or spewing of electrolyte does not sharpened. Remove the blades for sharpening. See occur or the battery does not feel excessively hot (over "Blade Replacement."...

  • Page 42: Blade Replacement

    Section 6 C. BLADE REPLACEMENT - NOTE - Be sure that the blade is installed with the lift wing toward the top and that the spacer, blade, flat WARNING washer, and lock washer are in the correct order shown above. Mower blades are sharp.

  • Page 43: Body And Deck

    Section 6 8. Carefully turn the machine on and use the remote 6.7 ENGINE FUEL SYSTEM to rotate the drive motor until the half of the drive sprocket it is fully engaged with the track. Note: Use extreme caution when rotating the sprocket DANGER with the remote as to not rotate the other track on the machine.

  • Page 44: Engine Air Cleaner

    Section 6 9. If fuel is spilled on clothing, change clothing 1. Snap open the two clips securing the air cleaner immediately and wash affected skin. cover to the air cleaner box. Remove the air cleaner cover, clean the duckbill vent of any dust or debris 10.

  • Page 45: Changing Engine Oil Filter

    Section 6 C. CHANGING ENGINE OIL FILTER After the first 50 hours of operation, replace the engine oil filter. Thereafter, replace the oil filter after every 500 hours of operation or annually, whichever occurs first. Refer to Engine Operator’s Manual for instructions. The engine oil filter is located under the oil fill cap on the oil tank (Figure 4-1).

  • Page 46: Fuse And Relay Box

    Section 6 A. FUSE AND RELAY BOX 9. DCKEY & ACC Relay - Turns ON/OFF the front, left, right, and rear deck controller’s key switch circuit. The front, and rear LED work lights are also The fuse and relay box on the machine, located on the powered by this relay.
  • Page 47 Section 6 Figure 6-8. Fort Receiver Fuse 1. Fort Receiver 2A Fuse - Supplies 12VDC power to the Fort receiver (VSC). It is located in a SCAG single fuse cover zip tied to the main harness. Figure 6-9. 48V Relay and Contactor Fuses 1.
  • Page 48 Section 6 Figure 6-10. DCDC Converter Fuse 1. 48VDC/12VDC Voltage Converter 10A Fuse - Supplies 48VDC input power to the voltage converter.

  • Page 49: Section 7 - Illustrated Parts List

    Section 7 ILLUSTRATED PARTS LIST 7.1 SCAG APPROVED ATTACHMENTS AND ACCESSORIES Attachments and accessories manufactured by companies other than Scag Power Equipment are not approved for use on this machine. Scag approved attachments and accessories: Accessories Scag Premium Lubricants Oil, 85W-140 Gearbox...

  • Page 50: Frame Guard

    Section 7 FRAME GUARD...
  • Page 51 Section 7 FRAME GUARD Ref. Part No. Description 4200211-B Plate, Backer 463703 Front Panel Kit (Includes 6, 7, 8, 10) 463704 Rear Panel, SMRC - 52D (Includes 6, 7, 8) 4200201 Bracket, Rear Shroud 463701 Side Panel, Kit LH SMRC - 52D (Includes 6, 7, 9) 4200200 Plate, Side Shroud 463702...

  • Page 52: Alternator Group

    Section 7 ALTERNATOR GROUP...
  • Page 53 Section 7 ALTERNATOR GROUP Ref. Part No. Description 463738 Motor Mount WLMT 488105 Plastic Bearing 4200044 Plate, Alternator Mount 4200166 Bracket Filter Mount 488074 Voltage Filter 488037 Alternator 7.0kWh 48030 Clamp, 1 1/4" Cable 481328 Clip, Wire Harness-Long 04001-198 HHCS, 3/8-16 x 4.75 04021-09 Locknut, 3/8-16 x 4.75 Elastic Stop 04021-08...

  • Page 54: Battery

    Section 7 BATTERY...
  • Page 55 Section 7 BATTERY Ref. No. Part No. Description 487350* ABS 3kW Battery 432027 Spacer, Bat Lug 04241-06 SS Flat Washer, 5/16" 04230-03 Ansi SS Helical Spring 04202-07 SS Metric HH Capscrew, M8-1.25 x 35 LG 48029-59 Battery Cable - Black, 66" 48029-40 Battery Cable - Black 9"...

  • Page 56: Utilities

    Section 7 UTILITIES...
  • Page 57 Section 7 UTILITIES Ref. No. Part No. Description 454012 Shackle WLMT 488070 Bent-Pull Clevis Pin 481885-01 Knob Fluted 04024-04 Nut, Push-on 488047 Fort Antenna 04003-02 Carriage Bolt 1/4-20 X .75 LG 488046 Fort Transmitter 463693 Controller Door W/3M Guard 04021-08 Hex Lock Nut 1/4-20 04001-01 Capscrew, Hexhead 1/4-20 UNC X .75...

  • Page 58: Tracks

    Section 7 TRACKS...
  • Page 59 Section 7 TRACKS Ref. No. Part No. Description 454017 Track WLMT, LH 454021 Track WLMT, RH 463661 Track Tension TF Assembly 454018 Track Sub WLMT 463697 Sub Arm w/Bushings 488097 Suspension Spring 454019 Track Roller WLMT 487560 Roller, Track 4200110 Bracket, Omni-U-Mnt 4200095 Bracket, Omni-L-Mnt...

  • Page 60: Deck

    Section 7 DECK...
  • Page 61 Section 7 DECK Ref. No. Part No. Description 463709 Deck WLMT, 52D w/decals 04001-32 HH Capscrew 3/8-16 X 1.25 04030-04 Lockwasher, 3/8 04001-20 HH Capscrew, 3/8-16 UNC X 1.50 04021-09 Lock Nut, 3/8 - 16 4200085 Plate, Backer Long 4200084 Plate, Backer Short 4200234 Rubber, Deck Guard 52D...

  • Page 62: Deck Lift

    Section 7 DECK LIFT...
  • Page 63 Section 7 DECK LIFT Ref. No. Part No. Description 04001-37 Capscrew Hex Head, 1/2-13 UNC X 5.5 4200043 Lift End Plate 432025 Spacer, Rod 04021-07 Hex Lock Nut, 1/2-13 454010 Lift WLMT, LH 04003-40 Carriage Bolt 7/16-14 X 1.25 LG 463712 Deck Tie Bar w/Decals RH 463690...

  • Page 64: Fuel

    Section 7 FUEL...
  • Page 65 Section 7 FUEL Ref. No. Part No. Description 463593 Tank Assembly 4200191 Bracket Tank Base A 4200192 Bracket , Tank Base B 484242 Seal, Fuel Gauge 486852 Remote Vent w/ No Valve 04003-04 Carriage Bolt 04019-03 Nut, Serrated Flange 04040-15 Washer 04030-03 Lock Washer...

  • Page 66: Roll Cage

    Section 7 ROLL CAGE...
  • Page 67 Section 7 ROLL CAGE Ref. No. Part No. Description 463696 Roll Cage w/Decal 487187 Worklight 48V LED 4200138 Bracket Warning Light Mount 488012 Safety Light 495018 Operator Panel Assembly 04019-03 Nut Serrated Flange, 5/16 - 18 04001-08 Capscrew Hexhead, 5/16-18 X .75 04019-01 Nut, Serrated Flange, #10 - 32 04010-12...

  • Page 68: Control Panel Group

    Section 7 CONTROL PANEL GROUP 31 3 1 2 3 22 21...
  • Page 69 Section 7 CONTROL PANEL GROUP Ref. No. Part No. Description 04202-04 SS Metric Hexhead Capscrew, M6-1.0 X 25 LG 04230-02 Lockwasher ANSI SS Helical Spring, 1/4 04240-01 Washer, ANSI SS Plain, 1/4 488127 Relay Cover, Fuse C2878-1 4200218 Bracket, Fuse Shelf 04040-03 Washer, ANSI Plain Type A, 1/4 04001-59...
  • Page 70 Section 7 CONTROL PANEL GROUP...
  • Page 71 Section 7 CONTROL PANEL GROUP Ref. No. Part No. Description 488047 Fort Antenna 488046-01 Fort Transmitter 488045-01 Fort Receiver 04142-01 Capscrew, Metric Flat HD HexSoc 04010-52 Machine Screw, #8-32 X 1.00 LG 488128 Timed Relay 487249 Shadow Box Assembly 48 to 12 Volt 488079 SMA 90 Adapter 481328...

  • Page 72: Engine Install Group

    Section 7 ENGINE INSTALL GROUP 38 39...
  • Page 73 Section 7 ENGINE INSTALL GROUP Ref. No. Part No. Description 04001-45 Capscrew Hex Head, 3/8-16 UNC X 2.00 04030-04 Lockwasher, ANSI Helical Sprg, 3/8 432024 Spacer, Idler Short 488275 Hose Assembly, Oil Drain BV-EFI 488042 Idler Pulley 432023 Spacer, Idler Long 488043 Tension Arm 488101...

  • Page 74: Deck Guard Group

    Section 7 DECK GUARD GROUP Right Side Left Side...
  • Page 75 Section 7 DECK GUARD GROUP Ref. No. Part No. Description 04003-02 Carriage Bolt, 1/4-20 X .75 LG 4200226 Bracket, Inner Muffler 4200223 Bracket, Bottom Rear 04019-02 Nut, Serrated Flange 1/4 - 20 04041-49 Flat washer, 1/4 463698 Battery Cover w/Decal 04001-01 Hexhead Capscrew, 1/4-20 UNC X .75 04110-01...
  • Page 76 Section 7...

  • Page 77: Scag Rc Extreme Slope Mower Electrical Prints

    Section 7 7.2 SCAG RC EXTREME SLOPE MOWER ELECTRICAL PRINTS GENERAL NOTES HARNESS WIRES • 18AWG IS STANDARD WIRE SIZE UNLESS NOTED OTHERWISE. • ALL WIRE COLORS ARE ORANGE UNLESS NOTED OTHERWISE. • LASER ETCHING WILL INDICATE THE TERMINATION POINT ON EACH END OF THE WIRE.

  • Page 78: Charger, 48Vdc Batteries, 48Vdc & 0Vdc Bus

    Section 7 CHARGER, 48VDC BATTERIES, 48VDC & 0VDC BUS 120VAC 1PH / 60Hz 120V AC POWER CORD (SOLD SEPARATELY) 1500W DELTA Q CHARGER (SOLD SEPARATELY) BATTERY CHARGER 1 6 10 CHARGING PORT HARNESS DC CHARGER CORDSET (SOLD SEPARATELY) S_CANH CAN H CAN H S_0VDC CAN GROUND...
  • Page 79 Section 7 CHARGER, 48VDC BATTERIES, 48VDC & 0VDC BUS BATTERY CABLE FRONT 3KWH BATTERY +48V -48V RT_BATT_0V 1223 1220 10 PIN RIGHT ANGLE GRY/BLU COMMUNICATION CONNECTOR S_CANL S_CANH ABS_BATTERY BATTERY CABLE BATTERY CAN CABLE MIDDLE +48V 3KWH BATTERY -48V 10 PIN RIGHT ANGLE COMMUNICATION CONNECTOR BATTERY CABLE REAR...

  • Page 80: Ice & Alternator

    Section 7 ICE & ALTERNATOR BATTERY CABLE 12VDC BATTERY +12V -12V ENGINE SOLENOID +12VDC POSITIVE STUD ENGINE CONNECTIONS BRIGGS_ENGINE RT200 S200 S_CAN2H CAN H BLK/YEL S202 S202 RT202 THROTTLE GND ENGINE GROUND CHASSIS BOLT S210 INTERLOCK S211 IGNITION POWER S200 EFI POWER S_CAN2L CAN L...

  • Page 81: Controller Contactors

    Section 7 CONTROLLER CONTACTORS ( +48VDC ) DECK CONTACTOR #1 QC713 QC810 FUSE HOLDER BATTERY CABLE BATTERY CABLE 150A BUSBAR MIDDLE DECK CONTACTOR #2 QC913 QC1010 FUSE HOLDER BATTERY CABLE BATTERY CABLE 150A BOTTOM TRACTION CONTACTOR QC516 QC525 S516 FUSE HOLDER BATTERY CABLE BATTERY CABLE 200A...

  • Page 82: 48Vdc To 12Vdc Converter & Harness Splices

    Section 7 48VDC TO 12VDC CONVERTER & HARNESS SPLICES S_48V 1102 1104 1253 1260 1333 S_0VDC 1103 1401 1407 1437 1450 S_CANL 1005 1271 1343 1423 1445 1458 1464 S_CANH 1004 1272 1344 1422 1444 1457 1463 S200 1238 RED/YEL S202 1239 1244...

  • Page 83: Traction Controller #1

    Section 7 TRACTION CONTROLLER #1 TRACTION CONNECTOR TRACTION WHIP LEFT TRACTION CONTROLLER #1 BUSBAR MOTOR ENCODER/THERMISTOR LT_ENC CONNECTOR LEFT TRACTION MOTOR +5V(100mA) 5VDC 0VDC ENCA/SIN HALL A ENCODER HALL B ENCB/COS HALL C ENCC S512 HARNESS SPLICE THERMISTOR MOTOR TEMP THERMOCOUPLE DRIVER 2 BRAKE...

  • Page 84: Traction Controller #2

    Section 7 TRACTION CONTROLLER #2 TRACTION CONNECTOR TRACTION WHIP RIGHT BATTERY CABLE TRACTION CONTROLLER #2 RT_ENC MOTOR ENCODER/THERMISTOR CONNECTOR MOTOR +5V(100mA) 5VDC RIGHT TRACTION 0VDC BUSBAR ENCA/SIN HALL A ENCODER HALL B ENCB/COS ENCC HALL C S612 HARNESS SPLICE THERMISTOR THERMOCOUPLE MOTOR TEMP BRAKE...

  • Page 85: Right / Rear Deck Controller

    Section 7 RIGHT / REAR DECK CONTROLLER DECK WHIP DECK CONNECTOR RIGHT/REAR DECK CONTROLLER BATTERY CABLE HARNESS SPLICE S705 MOTOR ENCODER/THERMISTOR RTD_MOTOR CONNECTOR MOTOR +5V(100mA) HALL +5VDC M1 ENCB/COS HALL-B ENCODER M1 ENCA/SIN HALL-A M1 ENC C HALL-C HALL/TEMP GND S709 RIGHT DECK TEMP...
  • Page 86 Section 7 RIGHT / REAR DECK CONTROLLER CONTROLLER FROM PAGE 7 35-PIN CONNECTOR FROM PAGE 7 S_CANH CAN1 H CAN1 (500KBS) S_CANL CAN1 L 12V GND +12V S1253 KEYSWITCH KEYSWITCH DRIVER 1 DECK CONTACTOR #1 DRIVER 5 DRIVER 6 DRIVER 4 DRIVER 7 DRIVER 6 INPUT 1...

  • Page 87: Front / Left Deck Controller

    Section 7 FRONT / LEFT DECK CONTROLLER DECK CONNECTOR DECK WHIP FRONT/LEFT DECK CONTROLLER BATTERY CABLE HARNESS SPLICE MOTOR ENCODER/THERMISTOR FD_MOTOR S905 CONNECTOR MOTOR +5V(100mA) HALL +5VDC M1 ENCB/COS HALL-B ENCODER HALL-A M1 ENCA/SIN HALL-C M1 ENC C HALL/TEMP GND HARNESS SPLICE S909 FRONT DECK...
  • Page 88 Section 7 FRONT / LEFT DECK CONTROLLER CONTROLLER FROM PAGE 9 1000 1001 35-PIN CONNECTOR FROM PAGE 9 1002 1003 S_CANH CAN1 H 1004 CAN1 (500KBS) S_CANL CAN1 L 1005 12V GND 1006 +12V 1007 S1253 KEYSWITCH KEYSWITCH 1008 DRIVER 1 1009 DRIVER 5 DECK CONTACTOR #2...

  • Page 89: Timer Module

    Section 7 TIMER MODULE 1100 TIMER 1101 TIMER MODULE S_48V 1102 48VDC S_0VDC 1103 0VDC S_48V 1104 NO-2 S1105 1105 NO-1 1106 3A FUSE LOCATED IN BRIC_MOD 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122...

  • Page 90: Operator Panel & Relays

    Section 7 OPERATOR PANEL & RELAYS 1200 1201 1202 1203 KNOB IS SHOWN IN THE DOWN POSITION 1204 1205 1206 S1105 1207 1208 1209 1210 KNOB IS SHOWN IN THE DOWN POSITION E_STOP 1211 1212 1348 1340 1213 1341 1349 1214 1215 1216...
  • Page 91 Section 7 OPERATOR PANEL & RELAYS ENG_CIRCUIT LOCATED IN SCAG DOUBLE FUSE COVER KEY_SW S200_1 1237 1319 HARNESS SPLICE RED/YEL S200 S210 1238 S211 S202 1239 1240 1241 1242 BATTERY POWER 1243 S202 S211 1244 1245 1246 1220 1222 1247 1248 RELAY LOCATED IN BRIC_MOD 1249...

  • Page 92: Relays

    Section 7 RELAYS 1300 1301 1302 1303 1304 1305 1306 1307 1308 HZD LTS 1309 S616 1310 1311 S419 S1312 1414 1312 1313 1314 RELAY LOCATED IN BRIC_MOD 1315 ENGINE START 1316 S516 1317 1318 S200_1 1237 1319 1320 1321 RELAY LOCATED IN BRIC_MOD 1322 ENGINE STOP...

  • Page 93: Fort Receiver & Voltage Filter

    Section 7 FORT RECEIVER & VOLTAGE FILTER FORT RECEIVER (VSC) 1337 S1105 1338 MASTERENABLE0_COM 1339 1212 1340 ESTOP_IN_0 1214 1341 ESTOP_IN_1 1342 LED0 S_CANL 1343 CAN L S_CANH 1344 CAN H 1345 MASTERENABLE1_COM 1346 RS-232_TX 1347 RS-232_RX 1348 1212 ESTOP_OUT_0 1349 1214 ESTOP_OUT_1...

  • Page 94: Lights, Diagnostic Plug

    Section 7 LIGHTS, DIAGNOSTIC PLUG 1400 S_0VDC 1401 FRONTLIGHT 1402 FRONTLIGHT (48V) 0VDC 1403 LIGHT_SW S1404 1255 +48VDC 1404 1405 HARNESS SPLICE REARLIGHT REARLIGHT (48V) 1406 S_0VDC 0VDC 1407 +48VDC 1408 1409 1410 1411 1412 LEFT HAZARD 1413 LEFT HAZARD LIGHT S1312 1312 AMBER LED +...

  • Page 95: Deck Lift Actuators, & Winch Connection

    Section 7 DECK LIFT ACTUATORS, & WINCH CONNECTION LEFT DECK LIFT ACTUATOR LTDL_POWER S_0VDC 1437 0VDC POWER S1333 1438 +48VDC 1439 LTDL_CAN 1440 1441 1442 SIGNAL 1443 S_CANH CAN H 1444 S_CANL CAN L 1445 1446 1447 1448 RIGHT DECK LIFT ACTUATOR 1449 RTDL_POWER S_0VDC...
  • Page 96 Section 7...

  • Page 97: Limited Warranty - Rc Mower

    Cutter decks are warranted against cracking for a period of one (1) year or 1,000 Hours (whichever comes first) (parts and labor) for commercial use. The repair or replacement of the cutter deck will be at the option of Scag Power Equipment. We reserve the right to request components for evaluation.
  • Page 98 © 2025 Scag Power Equipment Division of Metalcraft of Mayville, Inc.

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