Jacobsen DFN Series Safety, Operation & Maintenance Manual/Parts List
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Jacobsen DFN Series Safety, Operation & Maintenance Manual/Parts List

Jacobsen DFN Series Safety, Operation & Maintenance Manual/Parts List

Super lightweight electric ride on reel mower lithium - 3wd
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A SIGNATURE CUT, TRUSTED FOR OVER 100 YEARS
SAFETY, OPERATION
& MAINTENANCE MANUAL
Super Lightweight Electric Ride on Reel Mower
SLF1 ELiTE - Lithium - 3WD
Product Code:10018933
Series: DFN
WARNING: If incorrectly used this machine can cause severe injury. Those who use and maintain this machine must
be trained in its proper use, warned of its dangers and must read the entire manual before attempting to set up,
operate, adjust or service the machine.
GB
United
Kingdom
WARNING
RJL BBCE
10020773-D-GB

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  • Page 1 A SIGNATURE CUT, TRUSTED FOR OVER 100 YEARS SAFETY, OPERATION & MAINTENANCE MANUAL Super Lightweight Electric Ride on Reel Mower SLF1 ELiTE - Lithium - 3WD Product Code:10018933 Series: DFN WARNING WARNING: If incorrectly used this machine can cause severe injury. Those who use and maintain this machine must be trained in its proper use, warned of its dangers and must read the entire manual before attempting to set up, operate, adjust or service the machine.
  • Page 2 © 2023 Textron Specialized Vehicles This manual may not be reproduced in whole or in part without the express permission of Ransomes Jacobsen Ltd.

  • Page 3: Table Of Contents

    CONTENTS SECTION 1 - FOREWORD POP UP TASK BAR MENU ..........29 START INTERLOCK - INITIATE........29 IMPORTANT ..............1 START INTERLOCK - WILL NOT INITIATE....30 PRODUCT IDENTIFICATION ........... 2 MAIN MENU NAVIGATION ..........30 IDENTIFICATION NUMBERS ........... 4 VIEW MACHINE CONFIGURATION MENU ....
  • Page 4 CONTENTS SECTION 7 - MAINTENANCE SECTION 12 - GUARANTEE MAINTENANCE AND LUBRICATION......61 GUARANTEE..............104 MAINTENANCE SCHEDULE .......... 61 LUBRICATION..............62 GENERAL PRECAUTIONS..........62 BATTERY ................ 63 TYRES................64 WHEEL MOUNTING PROCEDURE ....... 64 ROPS................64 CARE AND CLEANING........... 65 BACKLAP ............... 66 GRINDING THE BEDKNIFE...........

  • Page 5: Section 1 - Foreword

    When the machine is at its end of life, there are guidelines in this manual for the removal of the machine from use. Use only Jacobsen Genuine Spare Parts to make sure that conformity is controlled. This product was produced in compliance to Directive 2006/42/EC.

  • Page 6: Product Identification

    1 FOREWORD 1.2 PRODUCT IDENTIFICATION _______________________________________________ Maximum front axle load in Kg (for machines being driven on the West Road highway) Ransomes Europark Ipswich IP3 9TT Unladen weight, (No cutting implements (mass in Kg) England Maximum rear axle load in Kg (for machines being driven on the highway) Power in kW Date code...
  • Page 7 This should be logged with Jacobsen along with any repairs made. Battery Management System BMS Serial The BMS serial is printed on the front face of the unit next to a QR code.

  • Page 8: Identification Numbers

    To refer to a parts list for this mower you have two options: Website – www.jacobsen.com. Select the “FIND A MANUAL” tab at the top, select product from drop down menu or use search function. You now have access to a PDF version of the parts manual which you can print.

  • Page 9: Guidelines For Disposal Of Products

    • Remove Battery Packs and store correctly. The removal of Battery packs should only be carried out by qualified technicians. Battery packs should be returned to your local Jacobsen dealer or a local authorised battery recycling centre for disposal. •...

  • Page 10: Section 2 - Safety

    2 SAFETY GENERAL SAFETY WARNINGS________________________________________ WARNING READ ALL SAFETY WARNINGS, INSTRUCTIONS, ILLUSTRATIONS AND SPECIFICATIONS PROVIDED WITH THIS MACHINE. Failure to follow all instructions listed below may result in electric shock. fire and/or serious injury. Save All Warnings and instructions for future reference. 2.1.1 ELECTRICAL SAFETY __________________________________________________ a.

  • Page 11: Work Area Safety

    Read the Operator’s Manual and other training material. If the operator or technician can not read this manual, the owner is responsible to describe this material to the operators and technicians. Manuals in additional languages may be made available on the website Jacobsen.com. •...

  • Page 12: Roll Over Protection Structure (Rops)

    Do not weld, drill, change or bend the structure. Replace a damaged ROPS Do not try to correct a damaged ROPS frame. Jacobsen must approve any changes to the ROPS. Do not remove the ROPS from the mower other than for maintenance access. Ensure to correctly refit before use.

  • Page 13: Maintenance And Storage

    Do not operate the machine if you have excessively worn or damaged parts. Replace damaged or worn decals. Only use parts, accessories and attachments approved by Jacobsen. o. To decrease the fire hazard, remove grass debris that may collect on machine whilst cutting.

  • Page 14: Lithium Vehicle Fire

    Switch off the mower, Unplug mains power if connected, keep Clear and call emergency services. Notify your local Jacobsen dealer who can advise on correct disposal & recovery of the mower. Always dispose of Hazardous waste material in accordance with local authority guidelines.

  • Page 15: Important Safety Notes

    SAFETY 2 2.7 IMPORTANT SAFETY NOTES ______________________________________________ This safety alert symbol is used to alert you to possible hazards. DANGER: Indicates a dangerous condition that WILL cause death or injury unless it is prevented. WARNING: Indicates a dangerous condition that CAN cause death or injury unless it is prevented. CAUTION: Indicates a dangerous condition that can cause injury and property damage unless it is prevented.
  • Page 16 Adjustments and maintenance must always be done by an approved techni- cian. If a service is needed contact your authorized Jacobsen Dealer or after sales for additional information or help. WARNING When the machine is driven off-road, a seat belt must be worn.

  • Page 17: Section 3 - Specifications

    SPECIFICATIONS 3 3.1 DIMENSIONS AND WEIGHTS ______________________________________________ A Width Of Cut 208 cm 82 in. B Overall Width - Cutting Units Lowered 248 cm 97.6 in. C Maximum Width - Transport, with Cutting Units Raised 244 cm 96.4 in. D Maximum Height with ROPS 209 cm 83.2 in.
  • Page 18 3 SPECIFICATIONS Cutting units Lowered Cutting units Raised en 14...

  • Page 19: Machine Specification

    SPECIFICATIONS 3 3.3 MACHINE SPECIFICATION ________________________________________________ Frame construction: Heavy duty steel chassis with formed steel frame rails. Cutting Unit Drive: Five individual brush-less DC motor per reel 1.3 HP (0.97 kW) continuous. 3WD Transmission: x3 Electric motors, AC; 4.4 HP (3.3 kW) continuous. Steering: Electric powered steering.

  • Page 20: Vibration

    3 SPECIFICATIONS 3.6 VIBRATION _____________________________________________________________ The machine was tested for hand and arm vibration levels. The operator was in the normal position to drive the vehicle, with two hands on the steering mechanism. The mower was in operation and the cutting device was in rotation.

  • Page 21: Noise

    SPECIFICATIONS 3 3.7 NOISE _________________________________________________________________ The machine was tested for sound pressure (Operator Ear) in accordance with; The Machinery Safety Directive 2006/42/EC Exposure Of Workers To The Risks Arising From Physical Agents (Noise) Directive 2003/10/EC By compliance to: The Lawnmower Standard BS EN ISO 5395:2013 Sound Pressure Standard ISO 11201: 2010 SLF1 Elite 3WD: Measured Sound Pressure 77.2 dB(A) ±...

  • Page 22: Accessories

    3 SPECIFICATIONS 3.11 ACCESSORIES _______________________________________________________________ Cutting Units; less front and rear roller (2LH and 3RH reels required for SLF1-Elite) Part Number Reel - TrueSet 18" x 5" Dia, 8 Blade, Left Hand 10018926 Reel - TrueSet 18" x 5" Dia, 8 Blade, Right Hand 10018925 Reel - TrueSet 18"...
  • Page 23 SPECIFICATIONS 3 Front Roller, Grooved 18in, 1/2in Spacing 062941 Front Roller, Solid, 18in. 062931 Inclinometer Kit 4399787 Foot Rest kit LMAC629 Treaded Tyre 4365967 Bat - Tool to clear unit blockage 4184540 Kit - Beacon 10052851 Kit - work light, rear 10052865 Kit - Tow bar 10050813...

  • Page 24: Section 4 - Decals

    4 DECALS 4.1 SAFETY LABELS ________________________________________________________ Max. 0.5bar viii en 20...
  • Page 25 DECALS 4 Platform Group Safety Instruction. Read Operators Manual before use. Disconnect battery power before working on machine. iii. Switch off power and remove key switch before maintenance or adjustments. iv. Guarding - Do not remove or operate machinery without guards in place. Isolate power before washing machine - Do Not use high pressure water hose.

  • Page 26: Instruction Labels

    4 DECALS 4.2 INSTRUCTION LABELS ___________________________________________________ 4397486 0.7 bar 10 psi Description Traction Pedal, control of forward and reverse direction of travel. Battery safety instruction. Wear PPE, Risk of Electrical shock, Explosive risk, Discard safely, Recycle. Joystick cutting unit lift and lower control. Sound Power Level.

  • Page 27: Operation Workstation

    CONTROLS 5 5.1 OPERATION WORKSTATION ______________________________________________ 5.10 5.11 5.12 5.2 - Control Panel 5.10 - Traction Pedal 5.3 - Display Screen 5.11 - Steering Tilt adjustment 5.7 - Armrest Pod Adjustment 5.12 - Battery Power Isolation Switch en 23...

  • Page 28: Control Panel

    5 CONTROLS 5.2 CONTROL PANEL _______________________________________________________ 5.2.3 5.2.5 5.2.1 5.2.2 5.2.4 5.2.5 5.2.1 - Key Switch 5.2.5 -Beacon Switch (Optional) 5.2.2 - Park Brake Switch 5.2.6 - Lift / Lower Joystick 5.2.3 - Mow Switch 5.3 - Visual Display 5.2.4 - Light Switch en 24...

  • Page 29: Key Switch

    CONTROLS 5 5.2.1 KEY SWITCH __________________________________________________________ The key switch is used to turn the mower on and off. It has 3 posi- tions. Position 1 - Off. • Power to the mower is turned Off. Position 2 - Power On / Run. •...

  • Page 30: Beacon Switch

    5 CONTROLS 5.2.5 BEACON SWITCH ______________________________________________________ The Beacon is an optional extra accessory that is fitted to the ROPS frame. A switch is positioned on the arm rest and has 2 functional positions. Position 1 - Beacon light Off. Position 2 - Beacon light On. 5.2.6 LIFT/LOWER JOYSTICK _________________________________________________ The joystick controls the lift and lower operation of the cutting units.

  • Page 31: Startup Screen

    CONTROLS 5 5.4 STARTUP SCREEN ______________________________________________________ When the key switch is turned to the ‘On/ Run’ position, this screen is shown for two seconds. The hour meter will show total hours of machine operation. 0.0 Hours 0.0 Hours 5.5 WARNING / SERVICE SCREEN _____________________________________________ After the startup screen the warning screen is shown.

  • Page 32: Home Screen

    5 CONTROLS 5.6 HOME SCREEN _________________________________________________________ This screen displays icons that indicate the status of the vehicle sys- tems and interlock switches. • The Park Brake icon displays the status of the brake system. • Solid red indicates the park brake is engaged. •...

  • Page 33: Pop Up Task Bar Menu

    CONTROLS 5 Wheel Speed Calibration LED’s The machine will automatically monitor and calibrate wheel speeds whilst driving in a straight line on a flat level surface. If the steering offset is correct, the display screen will show Purple LEDs when traveling in a straight line and switch off when turning.

  • Page 34: Start Interlock - Will Not Initiate

    5 CONTROLS 5.9 START INTERLOCK - WILL NOT INITIATE ____________________________________ When the key switch is turned to the start position and the interlocks are not set, this screen is shown. • The parking brake switch is not in the On position. The icon will flash red and gray.

  • Page 35: Display Settings Menu

    PIN Menu. Notice: Managers are advised to change the PIN to stop the machine parameters being changed. Authorised Jacobsen dealers will have access to a unique PIN that will allow them to reset PIN numbers if lost or forgotten. en 31...

  • Page 36: Owner Pin Menu

    5 CONTROLS 5.14 OWNER PIN MENU______________________________________________________ Selectable from Vehicles Settings Menu. The PIN Menu contains Sub-Menus that enable changes vehicle parameters. Sub-Menus can be selected by using the Up and Down keys and then Select Button(4). • Change Machine Config. •...

  • Page 37: Vehicle Speeds Menu

    CONTROLS 5 5.16 VEHICLE SPEEDS MENU ________________________________________________ Selectable from PIN menu. The Vehicle Speeds Menu allows adjust- ment of the vehicles maximum forward and reverse transmission Ve h i c l e S p e e d s speeds in both transport and mow modes. Press Enter to set the selected vehicle speed.

  • Page 38: Battery Reserve Menu

    5 CONTROLS 5.20 BATTERY RESERVE MENU_______________________________________________ Selectable from the PIN Menu. The Battery Reserve Menu is for set- ting the level at which the mower shall enter a Battery Reserve State. Ba tte ry Rese rve This function assists the operator to return to the nearest charging point Press Enter to set the Battery Reserve.

  • Page 39: Tow Mode Menu

    • Vehicle Status • IO Diagnostics Jacobsen Dealers will have access to higher service levels within the software. 5.26 FAULT LOG ____________________________________________________________ Navigate to the Service Menu. Use the Up and Down arrow keys until the green arrow is next to Fault Fa ult L og Log option.

  • Page 40: Time Until Service

    5 CONTROLS 5.27 TIME UNTIL SERVICE ___________________________________________________ Navigate to the Service Menu. Use the Up and Down arrow keys until the green arrow is next to Time Ti m e u n t i l s e r v i c e Until Service option.

  • Page 41: I/O Diagnostics Menu

    CONTROLS 5 The forth screen, Vehicle Status 4, displays real time control & Reel data • Reel - Command (RPM) Ve hic le Status 4(R eels ) MCU St a te : 0 • Feedback (Reel RPM) FrntL Cntr FrntR CMD .
  • Page 42 5 CONTROLS IO D i ag n os t i c s ( M C U ) Input St atus Output Status J1- 3 J stk D n J1-11 Horn J1- 4 J stk U p J1-12 N.C. J1- 9 Light S w 0.00V J1- 10...

  • Page 43: Backlap

    CONTROLS 5 5.30 BACKLAP _____________________________________________________________ Selectable from Main Menu. The Backlap Menu has two sub-menus. These can be selected by pressing the Up and Down arrow keys fol- lowed by the select button(4) to confirm. B a c k l a p M e n u Menu Options: D e b r i s C l e a r B a c k l a p S t a t i o n a r y...

  • Page 44: Warning Screens

    1 / 5 Caution. It may be unsafe to continue to operate the mower without Fault Subcode: 0x0081 rectifying the fault first.If necessary consult your local Jacobsen C Reel fault occured: dealer. Refer to user manual for more information.

  • Page 45: Warning Fault Codes

    CONTROLS 5 5.34 WARNING FAULT CODES ________________________________________________ Fault Code reference tables: Faults Sub-Code Description 0x0000 No Faults 0x0010 Pedal A-B mis-match 0x0011 Pedal Safety Minimum 0x0012 Pedal Safety Maximum 0x0013 Supply Under-Voltage 0x0014 Supply Over-Voltage 0x0015 External 12V Output Low 0x0016 External 5V Output Low 0xF957...
  • Page 46 5 CONTROLS Sub-Code Module Name RR_Wheel Outer Left Actuator Front Left Actuator Rear Left Actuator Center Actuator Rear Right Actuator Front Right Actuator Outer Right Actuator Outer Left Reel Front Left Reel Rear Left Reel Center Reel Rear Right Reel Front Right Reel Outer Right Reel Charger...

  • Page 47: Armrest Length Adjustment

    CONTROLS 5 5.35 ARMREST LENGTH ADJUSTMENT ________________________________________ The armrest can be adjusted in length fore and aft. adjuster is found on the right side under the Armrest. Lift up on the adjuster lever and slide the armrest in the forward or rearward direction.

  • Page 48: Traction Pedal

    5 CONTROLS 5.38 TRACTION PEDAL ______________________________________________________ The traction pedal is found on the right side of the footplate. • Carefully press the top (A) of the foot pedal to reach the forward speed that you need. • To stop - Carefully return the foot pedal to the Neutral position. •...
  • Page 49 CONTROLS 5 en 45...

  • Page 50: Section 6 - Operation

    6 OPERATION 6.1 DAILY INSPECTION ______________________________________________________ CAUTION The inspection should be done each day, before and after use. Prior to conducting the inspection, lower the cutting units to the ground, engage the park brake and ensure all surfaces have sufficiently cooled. Switch Off the system power and remove the key.

  • Page 51: Interlock System

    OPERATION 6 6.2 INTERLOCK SYSTEM ____________________________________________________ The Interlock System safeguards the operator and bystanders from unintentional operation of the mower. The interlock works by preventing the mower from starting unless the operator is seated, the park brake switch is in the on position, the traction pedal is in the neutral position and the mow switch is in the off position.

  • Page 52: Operating Procedure

    6 OPERATION 6.3 OPERATING PROCEDURE ________________________________________________ WARNING This mower has a Roll Over Protection Structure (ROPS). Always wear the seat belt provided. If the mower is over turning, hold the steering wheel. Do not try to move off the mower or leave the seat. CAUTION To prevent injury, always wear personal protective equipment (PPE).

  • Page 53: Activate The Mower Systems

    OPERATION 6 6.4 ACTIVATE THE MOWER SYSTEMS _________________________________________ To activate the mower ensure the charging lead is unplugged, that the power isolating switch is turned Onand the mower interlocks are correctly set. • Insert and rotate the system key clockwise to position 2. Wait Key Position’s 3 seconds until the display has completed its startup sequence and displays the home screen.

  • Page 54: Mowing

    6 OPERATION 6.7 MOWING _______________________________________________________________ WARNING To prevent injuries, when the reels rotate, keep your hands, feet and clothing away from the cutting unit. NEVER use your hands to clean the cutting units. Use a brush to remove grass from the reels. The reel blades can be sharp and can cause injury.

  • Page 55: Mowing On Slopes

    The seat belt should be used at all times unless specific conditions cause a higher risk of doing so. Jacobsen recommends that a local risk assessment is completed by the owner/user of the machine to determine the risks associated with working on slopes.

  • Page 56: Mower Recovery

    6.9 MOWER RECOVERY _____________________________________________________ WARNING To prevent injury or damage to the mower, Use the recommended Jacobsen Tow Kit available from your authorised Jacobsen dealer. Do not attempt to tow the mower using flexible straps or rope. The tow vehicle must be capable of slowing and stopping the mower using its own braking system in conjunction with a rigid tow bar.

  • Page 57: Park Brake Emergency Release

    OPERATION 6 NOTICE To prevent damage to the mower, do not exceed 3.7MPH (6KPH) while towing. Long distance towing is not recommended. Damage to the mower as a result of excessive tow speeds will void warranty on parts. Use caution when towing. Avoid steep inclines and uneven ground conditions. To prevent damage to steering yoke, avoid turns that will cause rear wheel to turn more than 55°...

  • Page 58: To Remove Blockage From Cutting Units

    6 OPERATION NOTICE Failure to properly secure armrest cover in the closed position when transporting may result in armrest cover damage. Make certain key switch is in Off position and key removed. If mower is unable to drive onto trailer on its own power, follow this procedure: Follow procedure for disengaging parking brake.

  • Page 59: Slinging And Jacking

    OPERATION 6 6.14 SLINGING AND JACKING THE MACHINE___________________________________ Lifting The mower has designated lift and tie down points (A), Use suitable lift equipment to attach at each of the four lift points to aid a secure and stable lift of machine by a qualified operative. Pay attention to the mower weight ensur- ing the load rating of lift equipment used is sufficient.

  • Page 60: Battery Safety

    6 OPERATION 6.15 BATTERY SAFETY ______________________________________________________ DANGER Risk of electric shock. Connect the charger power cord to an outlet that is correctly installed and connected to an electrical ground according to all codes and regulations. A grounded outlet is necessary to decrease the risk of electric shock.

  • Page 61: Disconnecting The Battery Charger

    OPERATION 6 Connecting the Battery Charger Disconnect the AC supply plug before you make or break the connections to a battery that is charging. Check the AC supply voltage is correct for the charger unit. See the charger manufactures manual for specifica- tion.

  • Page 62: Mode Button

    1 second or more, the charger display will enter settings mode. The setting for the mower will have been set to factory default. WARNING Only use the charger and receptacles supplied by Jacobsen to charge the mower. Using 3rd party charging equipment may potentially cause a Hazardous situation resulting in either damage to vehicle and injury...

  • Page 63: Battery Prolonged Storage

    OPERATION 6 Battery Charging Screen When the charger is connected and charging, the screen will power up and display charging status provided the isolator switch is On. • Battery charge level gauge. SOC: 75% Charge Current: 54.2A • State of charge level percentage Pack Voltage: 51.1V •...

  • Page 64: During Storage

    The BMS will completely shutdown and the mower will be unable to recharge using the on-board charger. Contact your local Jacobsen dealer if this issue arises. Extreme Low Temperature Storage If the ambient temperature is below -4°F (-20°C) DO NOT:...

  • Page 65: Maintenance And Lubrication

    MAINTENANCE 7 7.1 MAINTENANCE AND LUBRICATION ________________________________________ Maintenance Schedule Interval Item Section • Daily / Sect 6.2 Check Safety Interlock System. 10 hours • Check Tyre Pressure. • Sect. 8.6 Check Bedknife & Reel Blades. • Walk-Around - Damage Inspection •...

  • Page 66: Lubrication

    Always use the jack stands to support vehicle off the ground. Only trained personal should carry out maintenance or adjustments on the mower. If the correct adjustments can not be made, contact your Jacobsen Dealer. Inspect the equipment according to the maintenance schedule and keep complete records for warranty purposes.

  • Page 67: Battery

    The battery contains harmful substances. Under no circumstances should the battery modules be opened. The battery packs are Non-Serviceable. In the event of a fault contact your authorised Jacobsen dealer. Discard used or damaged batteries in accordance with local regulations.

  • Page 68: Tyres

    Inspect the seat, seat belt, ROPS mounting hardware and ROPS frame for damage. Replace all damaged parts immediately. All the replacement parts for the ROPS must be approved Jacobsen Limited parts as shown in the Parts Manual. Check and torque all ROPS hardware as indicated in the Parts Manual.

  • Page 69: Care And Cleaning

    Clean all plastic or rubber parts with a weak soap solution or use commercially available rubber cleaners. To keep the original high polish of the plastic parts, wax with a good grade of one-step cleaner wax. Repair dam- aged metal surfaces and use Jacobsen touch-up paint. Apply wax to the equipment for maximum paint pro- tection.

  • Page 70: Backlap

    7 MAINTENANCE 7.2.7 BACKLAP__________________________________________________________ Park the machine on a flat level surface, Ensure that the area to the front of mower is clear of objects and bystanders, Lower the cutting units to the ground. From the B a c k l a p Main Menu (5.10) Select the Backlap sub menu, D e b r i s C l e a r B a c k l a p S t a t i o n a r y...

  • Page 71: Steering Offset Calibration

    MAINTENANCE 7 4. After you grind the reel and bedknife, assemble the bedknife using reverse order of removal. Check the adjustment of bedknife adjuster tension, and the reel to bedknife adjustment. Refer to section 8.9.1 and 8.9.2. 7.2.9 STEERING OFFSET CALIBRATION ________________________________________ The machine’s steering system is designed so that when correctly setup the product will be operating at its opti- mal performance and decrease the potential risk of marking the turf.

  • Page 72: Mower Storage

    7 MAINTENANCE 7.2.10 MOWER STORAGE ____________________________________________________ General Clean the mower and lubricate. Repair and paint damaged or open metal. Inspect the mower, tighten all hardware, replace worn or damaged components. Clean the tyres. When the vehicle is not being used for an extended period, the tyre pressures must be increased. Inflate to the maximum rating on the tyre wall to make sure that flat spots do not occur.

  • Page 73: Section 8 - Adjustments

    ADJUSTMENTS 8 8.1 GENERAL PRECAUTIONS ______________________________________________________ WARNING When you clean, adjust or repair this equipment, lower all the cutting units to the ground. Engage the parking brake switch, stop the mower and remove the key. Make sure the mower is parked on a solid and level surface. Never work on the mower, if the mower is only supported by the jack.

  • Page 74: Seat Standard

    8 ADJUSTMENTS 8.3 SEAT STANDARD________________________________________________________ Adjust the seat to the best location based on leg reach. FORE AND AFT ADJUSTMENT The adjusting lever is on the left hand side of the seat below the seat cushion (A). By moving the lever upwards, the seat can slide backwards and forwards. When in the desired position release the lever to lock the seat into one of the pre-set positions.

  • Page 75: Bedknife-To-Reel

    ADJUSTMENTS 8 8.5 BEDKNIFE-TO-REEL _____________________________________________________ Check the reel bearings for end play or radial play. Inspect the reel blades and the bedknife to make sure of good sharp edges without bends or surface dam- age. • The leading edge of the reel blades must be sharp, without rough edges and show no indications of becoming blunt.

  • Page 76: Bedknife Adjustment

    8 ADJUSTMENTS 8.6 BEDKNIFE ADJUSTMENT _________________________________________________ Read Section 8.5 before you adjust the reel. Start the adjustment at the leading end of the reel, followed by the trailing end. The leading end of the reel blade is the end which moves over the bedknife first during normal reel rotation. Use the adjusters, to adjust the gap.

  • Page 77: Cutting Height

    ADJUSTMENTS 8 8.7 CUTTING HEIGHT _______________________________________________________ Note: Always make the reel-to-bedknife adjustment before you adjust the height of cut. Lift the cutting units to the transport position. Set the park brake switch to the ON position, stop the mower and remove the key. Set the height of cut Screw Adjuster (HOC) on the HOC gauge.

  • Page 78: Cutting Unit Attachment

    8 ADJUSTMENTS 8.9 CUTTING UNIT ATTACHMENT _____________________________________________ Installing Cutting units Place each cutting unit in front of the lift arm. Raise the lift arm and place the cutting unit so that the yoke is aligned to the swivel housing. Carefully lower the lift arm on the yoke.

  • Page 79: Bedknife Adjuster Tension

    ADJUSTMENTS 8 8.9.2 BEDKNIFE ADJUSTER TENSION _________________________________________ Remove the cotter pin. Completely loosen then tighten the Adjuster Rod slotted nut to remove the clearance (no end play) between components. Continue to tighten the nut until next slot in nut aligns to the hole in the bedknife adjuster rod. Install a new cotter pin.
  • Page 80 8 ADJUSTMENTS Front Lift Arms- Configuration Standard Setting - Default from factory. Recommended for standard cutting units with Brush kits fitted. Standard Setting - Block C Narrow Setting - Recommended for standard cutting units with no attachments. This gives maximum contour fol- lowing.
  • Page 81 ADJUSTMENTS 8 Rear Lift Arms - Configuration Standard and Wide Setting - Default from factory. Recommended for standard cutting units with either Brush kits or groomers fitted. Standard and Wide Setting - Block F Narrow Setting - Recommended for standard cutting units with no attachments. This gives maximum contour fol- lowing.

  • Page 82: Frequency Of Cut

    8 ADJUSTMENTS 8.9.4 FREQUENCY OF CUT ___________________________________________________ The FOC (Frequency of Cut) is the distance, in inches (mm), the machine travels forward between reel blades contacting the bedknife. The FOC can be adjusted either by changing the FOC settings or by changing the maxi- mum mow speed and the maximum reel speed on the LCD display when in Fixed RPM mode.
  • Page 83 ADJUSTMENTS 8 15 Blade Reel FOC Table Reel RPM Mow Speed 1800 1850 1900 1950 2000 2050 2100 2150 2200 Inch Inch Inch Inch Inch Inch Inch Inch Inch (KPH) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) 0.039 0.038 0.037 0.036...
  • Page 84 8 ADJUSTMENTS 11 Blade Reel FOC Table Reel RPM Mow Speed 1800 1850 1900 1950 2000 2050 2100 2150 2200 Inch Inch Inch Inch Inch Inch Inch Inch Inch (KPH) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) 0.053 0.052 0.051 0.049...
  • Page 85 ADJUSTMENTS 8 8 Blade Reel FOC Table Reel RPM Mow Speed 1800 1850 1900 1950 2000 2050 2100 2150 2200 Inch Inch Inch Inch Inch Inch Inch Inch Inch (KPH) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) 0.073 0.071 0.069 0.068...

  • Page 86: Torque Specification

    The torque values included in these charts are approximate and are for reference only. Use these torque values at your risk. Jacobsen is not responsible for any loss, claim or damage caused by these charts. Always use caution with torque values.

  • Page 87: Section 9 - Problem Solving

    PROBLEM SOLVING 9 9.1 PROBLEM SOLVING - GENERAL ___________________________________________ Problem Possible Cause/Items to Check Additional Items to Check Key switch ON - No 48VDC Battery or BMS not connected or Check battery connections and voltage. power to LDU discharged. No 12V power to LDU. Check power from Cycle power once corrected.

  • Page 88: Fuse Locations

    9 PROBLEM SOLVING One or more reel motors Mow switch is in OFF position. Ensure Mow switch is in ON position. won't run Machine not moving. (applicable if FOC is Reel motors should come on when not zero) machine starts moving forward. Fault Code on LDU Review any fault codes and take appro- priate action.

  • Page 89: Section 10 - Quality Of Cut

    QUALITY OF CUT 10 10.1 QUALITY OF CUT PROBLEM SOLVING _____________________________________ If required perform a “test-cut” to assess the performance of the mower before you begin the repairs. When the work is completed, repeat the “test-cut” to check the mower performance. The following items must be checked and set correctly to make sure of an effective assessment.

  • Page 90: Marcelling

    10 QUALITY OF CUT 10.3 MARCELLING __________________________________________________________ Marcelling is a repeated pattern of different cutting heights, that causes an appearance that is like a wave. In most cases, the wave tip-to-tip distance is 2 in. (5 cm) or less. NOTE: Arrow indicates direction of travel. Probable Cause Remedy The cut (ground) speed is higher than normal.

  • Page 91: Washboarding

    QUALITY OF CUT 10 10.4 WASHBOARDING_______________________________________________________ Washboarding is a repeated pattern of different cutting heights, that causes an appearance that is like a wave. In most cases, the wave tip-to-tip distance is approxi- mately 6—8 in. (15—20 cm). A change in the color (from light-to-dark) is also seen.

  • Page 92: Scalping

    10 QUALITY OF CUT 10.5 SCALPING ____________________________________________________________ “Scalping” is a condition in which some areas are cut shorter than the set height of cut. This results in very short grass or brown areas. The cause is a low height-of-cut (HOC) setting, rough surface. NOTE: Arrow indicates direction of travel.

  • Page 93: Stragglers

    QUALITY OF CUT 10 10.6 STRAGGLERS _________________________________________________________ “Stragglers” are separated blades of incorrectly cut grass. NOTE: Arrow indicates direction of travel. Possible Cause Correction The cutting blades are blunt. Replace or sharpen blades. Cutting Speed too fast for grass conditions. Decrease the cutting speed.

  • Page 94: Streaks

    10 QUALITY OF CUT 10.7 STREAKS _____________________________________________________________ A streak is a strip of longer grass in the cutting area. The cause is a damaged blade. NOTE: Arrow indicates direction of travel. Possible Cause Correction Damaged or worn blades. Replace the blades. Blades fitted incorrectly.

  • Page 95: Windrowing

    Mow more often or raise the height of cut. one pass. Try high lift blades. Incorrect blade choice. Use original Jacobsen blades: Low Lift, High Lift or Eliminator blades. Damaged baffles. Check for damage, repair/replace. Mow when grass conditions improve.

  • Page 96: Clumping

    10 QUALITY OF CUT 10.9 CLUMPING ____________________________________________________________ “Clumping.” This problem is identified by the appearance of clumps of grass in the discharge area. Possible Cause Correction Build up of cut grass in front of cutting units. Clean dirt and debris from rollers regularly, reduce volume of cut grass.

  • Page 97: Torn Crowns

    QUALITY OF CUT 10 10.10 TORN CROWNS _______________________________________________________ “Torn Crowns” This problem is identified when clumps of grass (Crowns) are torn up rather than cut. Possible Cause Correction Too much material. Cut more frequently, increase HOC. Worn blade edge. Sharpen or Replace damaged blades. Cutting too fast for conditions.

  • Page 98: Laying Uncut Grass

    10 QUALITY OF CUT 10.11 LAYING UNCUT GRASS_________________________________________________ “Laying uncut grass.” This problem is identified by areas of grass that have been left uncut and laid flat. TN1234 NOTE: Arrow indicates direction of travel. Possible Cause Correction Mowing (ground) speed is too fast. Cut more frequently, increase HOC.

  • Page 99: Electrical Schematic

    SCHEMATICS 11 11.1 ELECTRICAL SCHEMATIC ____________________________________________ FB 2 FUSEBOX 2 J0 8 + 8V DC 63 Rd Address 2 161-Rd Address 1 144-Rd Split Power Supply (48VDC) 114-Rd Address 3 Lt-Bu CAN High 341 e CAN Low 340-Gn Ground 25-B C FRONT LIFT AC UAT...
  • Page 100 11 SCHEMATICS FB 2 FUSEBOX 2 J5 9 J4 4 266 k Phase U +48V 267 Bn 170-Bk Phase V 268 Gy Phase W 263 Gn/Ye G /Y G /Y Case Gnd Tach 413 Shld Temp 230 Rd Speed Signal 231 Bn Hall A Fwd/Rev...
  • Page 101 SCHEMATICS 11 Ground J1 01 173-Bk T2N2 +48V J1 02 277-Rd/Og Traction Contactor Power Supply 0 Ω T1C1 Traction Contactor Coil Signal J1 03 112-Og/Bk T1N1 J1 04 001-Og/Bk +48V Contactor / +12V Relay Coil Signal K3 12V Switched +12V Power Supply +12V J1 05 Relay...
  • Page 102 11 SCHEMATICS 003-Rd 004-Rd 004-Rd 010-Rd 010-Rd 277-Rd/Og 005-Rd 357-Rd 358-Rd 359-Rd 112-Og/Bk FB 1 001-Og/Bk FUSEBOX 1 003-Rd 026-Rd 003-Rd 003-Rd 354-Rd/Wh 419-Rd/Wh 80 V 80 V 80 V 003-Rd 105-Rd 364-Rd 006-Rd 420-Og/Bk 110-Og/Bk 27 -Rd/Og 27 -Rd/Og 007-Rd 070 Bu/ 107-Og...
  • Page 103 SCHEMATICS 11 004-Rd 004-Rd 010-Rd 010-Rd 357-Rd FB 1 361-Rd FUSEBOX 1 357-Rd 363-Rd 363-Rd 80 V 006-Rd 006-Rd 420-Og/Bk 110-Og/Bk 27 -Rd/Og 27 -Rd/Og 2 -Rd 220-Rd/Wh J2 8 027-Rd 090-Bu/Rd 375-Rd U3 5 090-Bu/Rd U1 7 168-Bk USB DC/DC CONVERTER Liquid Display Unit SEAT...
  • Page 104 11 SCHEMATICS 004-Rd 004-Rd 146-Rd 010-Rd 010-Rd TRACTION BUS BAR DISTR IBUTION L CK 363-Rd 363-Rd 006-Rd 006-Rd 420-Og/Bk 363-Rd 120-Rd 27 -Rd/Og 27 -Rd/Og 220-Rd/Wh 166-Rd/Wh TCU 3 119-Og/Bk 122-Rd J8 8 TCU 3 FAN 153-Rd Traction Supply +48V 280 -Rd/Og 055 Og/Rd +48V I/P...
  • Page 105 SCHEMATICS 11 004-Rd 004-Rd 146-Rd 006-Rd 006-Rd 120-Rd 27 -Rd/Og 27 -Rd/Og 166-Rd/Wh TCU 1 420-Og/Bk 120-Rd J2 3 TCU 1 FAN 146-Rd Traction Supply +48V 278 Rd/Og 2 0 Og/Rd 46 3 +48V I/P Key Input Og/Rd 46 28 +48V I/P Pre-Charge 352 Og/Rd...
  • Page 106 11 SCHEMATICS 004-Rd 006-Rd -Rd/Og 004-Rd Traction Supply +48V 282 Rd/Og 47 3 +48V I/P Key Input 135-Rd/Ye U2 7 133-Bk CAPACITOR ɥ Farads J4 3 CARD 16 VDC Steering Control Unit 136-Rd 074-Bk 084-Bk/Wh 155 Rd/Ye J2 4 47 23 +5V O/P Sensor Power Supply 2 082-Rd 143 Rd/Ye...

  • Page 107: Fuses

    SCHEMATICS 11 11.2 FUSES ____________________________________________________________________ FUSE BOX 1 - Located behind the hood bulkhead panel. Component Rating Type Description 1 Amp Mini PACE GPS 2 Amp Mini TCU Fans 2 Amp Mini USB Convertor Not in use 1 Amp Mini ROPS Work Lights 1 Amp Mini...

  • Page 108: Warranty

    12 GUARANTEE 12.1 GUARANTEE __________________________________________________________ WARRANTY Warranty is subject to specific terms and conditions, e.g. wearing parts, unapproved modifications, etc. are not included. For a full set of warranty conditions, contact your local dealer or distributor. NOTICE The use of components not provided by the manufacturer under this warranty or maintenance or repair that is improperly or incorrectly performed may void this warranty.
  • Page 109 en 105...
  • Page 110 Health & Safety Management Cert No. FS609275 Cert No. EMS609276 Cert No. OHS609277 United Kingdom Ransomes Jacobsen Limited West Road, Ransomes Europark, Ipswich, IP3 9TT English Company Registration No. 1070731 T: +44 1473 270000 W: www.ransomes.com Europe office Ransomes Jacobsen France...

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