Jacobsen HR9016 Turbo Safety, Operation & Maintenance Manual
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Jacobsen HR9016 Turbo Safety, Operation & Maintenance Manual

Jacobsen HR9016 Turbo Safety, Operation & Maintenance Manual

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See also: Maintenance Manual , Parts & Maintenance Manual
Safety, Operation, & Maintenance Manual
®
HR9016
Turbo with ROPS
70542 – HR9016 Turbo, Kubota V3800-DICR-T-E4B
Standard ROPS Option
Factory Installed Cab Ready Option
No ROPS Option
 - These units must have a certified ROPS/cab installed by the Dealer before the mower can be
put into service and registered for warranty coverage.
CE Approved Option
WARNING
Warning: If incorrectly used, this machine can
cause severe injury. Those who use and maintain
this machine should 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
4319168-Rev A

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April 8, 2025

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Summary of Contents for Jacobsen HR9016 Turbo

  • Page 1 4319168-Rev A Safety, Operation, & Maintenance Manual ® HR9016 Turbo with ROPS 70542 – HR9016 Turbo, Kubota V3800-DICR-T-E4B Standard ROPS Option Factory Installed Cab Ready Option  No ROPS Option  - These units must have a certified ROPS/cab installed by the Dealer before the mower can be put into service and registered for warranty coverage.

  • Page 2: Table Of Contents

    Maintenance Notes 9.1 General Precautions ............50 9.2 Engine ................50 9.3 Engine Oil .................51 Proposition 65 Warning © 2014, Jacobsen, A Textron Company/Textron Innovations Inc. This product contains release “All rights reserved, including the right to reproduce this material chemicals known to the State of or portions thereof in any form.”...

  • Page 3: Introduction 2

    2Introduction IMPORTANT ______________________________________________________________ The Jacobsen HR9016T with a Diesel engine is a self propelled rotary mower. The hydraulic systems are for the traction drive, steering, lift - lower and the cutting unit drive. If you follow all instructions in this manual, you increase the life of your mower and keep its maximum performance.

  • Page 4: Product Identification

    2 INTRODUCTION PRODUCT IDENTIFICATION_________________________________________________ Mower Serial number plate Gross weight (Kg) ® 11524 WILMAR BLVD, Engine Power (Kw) CHARLOTTE, NC 28273 A Textron Company 1-800-848-1636 (US) PRODUCT OF U.S.A. Date code Product number and Serial number Location of Mower Serial number plate The serial number plate (A) is found on the left side frame rail behind the rear decks.

  • Page 5: Guidelines For The Disposal Of Scrap Products

    Add items that can not be easily separated into different materials to the “General discarded materials” area. • Do not burn the discarded materials Change the mower records to show that the mower is not in service and is discarded. Supply this serial number to Jacobsen Warranty Department to close their records. en-4...

  • Page 6: Safety

    Manuals in additional languages may be available on the Jacobsen or RansomesJacobsen website. Read all of the instructions for this mower carefully. Know the controls and the correct operation of the equipment.
  • Page 7 SAFETY 3 3.1.3 OPERATION Never operate the engine without enough ventilation or in an enclosed area. The carbon monoxide in the exhaust fumes can increase to dangerous levels. Never carry passengers. Keep other persons or animals away from the mower. Disengage all drives and engage the parking brake before you start the engine.

  • Page 8: Maintenance And Storage

    ROPS. Do not remove the ROPS from the mower. Jacobsen must approve any changes to the ROPS. 3.1.5 SAFE HANDLING OF FUELS The fuel and the fuel vapors are flammable. Use caution when you add the fuel to the mower. The fuel vapors can cause an explosion.
  • Page 9 Replace worn or damaged parts for safety. Replace damaged or worn decals. Only use parts, accessories and attachments approved by Jacobsen. To decrease the fire hazard, remove materials that burn from the engine, muffler, battery tray and fuel tank area.

  • Page 10: Important Safety Notes

    4. Never carry passengers. 5. Never operate the equipment without a correctly fastened grass deflector in position. If additional information or service is needed, contact your Authorized Jacobsen Dealer. Your Dealer knows the current methods to service this equipment. en-9...

  • Page 11: Specifications 4

    SPECIFICATIONS 4 4Specifications ENGINE SPECIFICATIONS __________________________________________________ HR9016T Make Kubota Model V3800-DICR-T-E4B Type Four cycle, liquid cooled, Diesel Number of Cylinders Bore and Stroke 3.94 in. (10 cm) x 4.72 in. (120 cm) Total Displacement 230.0 in (3.769 l) Combustion System Direct Injection Intake System Turbo Charged...

  • Page 12: Dimensions And Weights

    4 SPECIFICATIONS DIMENSIONS AND WEIGHTS ________________________________________________ HR9016T A - Width of Cut 192 inch (487.7 cm) B - Maximum Width 198 inch (502.9 cm) C - Transport Width 95 inch (241.3 cm) D - Height (Wing Decks Raised) 96 inch (243.8 cm) E - Height Top of ROPS 91 inch (231.1 cm) F - Height Cab with Light...
  • Page 13 SPECIFICATIONS 4 en-12...

  • Page 14: Mower Specification

    4 SPECIFICATIONS MOWER SPECIFICATION ___________________________________________________ Battery: 12V, 600 CCA, Group BCI 24 Service Brake: Dynamic braking through the traction circuit Parking Brake: Integrated in wheel motor, hydraulic release Fuel Tank: 35 U.S. Gallons (132.5 l) Hydraulic Tank: 33 U.S. Gallons (125 l) Hydraulic Fluid: ISO VG68 Charge Filter:...

  • Page 15: Vibration Level

    SPECIFICATIONS 4 VIBRATION LEVEL_________________________________________________________ The mower 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 engine was in operation and the cutting device was in rotation, while the mower was not moving.

  • Page 16: Slopes

    4 SPECIFICATIONS SLOPES _________________________________________________________________ DO NOT USE ON SLOPES GREATER THAN TBD°. The 18.6° slope was calculated with static stability measurements according to the requirements of BS EN ISO 5395-3. CUTTING UNIT SPECIFICATION _____________________________________________ HR9016T Blade Length 21 in. (53.3 cm) Number of blades Front Deck - 5 Left Wing Deck - 3...

  • Page 17: Accessories

    SPECIFICATIONS 4 4.10 ACCESSORIES____________________________________________________________ 4.10.1 CANOPY / SUN SHADE ____________________________________________________ Product number 68127 4.10.2 HOOD LOCKING LATCH ___________________________________________________ Kit Number 1004049 4.10.3 REPLACEMENT BLADES __________________________________________________ Standard Blade 2810030 High Lift Blade 3007759 CE Blade 4119024 Standard High Lift Low Lift Blade Blade Blade...

  • Page 18: Support Literature

    Phone: (888) 558-5801 Fax: (320) 848-6269 Fax: (920: 898-4588 4.11 SUPPORT LITERATURE ____________________________________________________ Contact your Jacobsen Dealer for a complete listing of literature available for your mower. Safety, Operation, & Maintenance Manual: 4319168 Mower Parts Manual: 4319169 Engine Parts Manual: 4319167 Service &...

  • Page 19: Declaration Of Conformity

    Uzņēmuma nosaukums un pilna ražotāja adrese ▪ Verslo pavadinimas ir pilnas gamintojo adresas ▪ Isem kummerċjali u indirizz sħiħ tal-fabbrikant ▪ Jacobsen, A Textron Company Nazwa firmy i pełny adres producenta ▪ Nome da empresa e endereço completo do fabricante ▪...
  • Page 20 Ort und Datum der Erklärung ▪ Τόπος και ημερομηνία δήλωσης ▪ A nyilatkozat kelte (hely és idő) ▪ Luogo e data della dichiarazione ▪ Jacobsen, A Textron Company Deklarācijas vieta un datums ▪ Deklaracijos vieta ir data ▪ Il-post u d-data tad-dikjarazzjoni ▪ Miejsce i data wystawienia deklaracji ▪...
  • Page 21 Director of Engineering Assinatura da pessoa com poderes para emitir a declaração em nome do fabricante, que possui a documentação Jacobsen, A Textron Company técnica, que está autorizada a compilar o processo técnico e que está estabelecida na Comunidade. 11524 Wilmar Blvd, Semnătura persoanei împuternicite să...

  • Page 22: Decals

    5 DECALS 5Decals SAFETY DECALS _________________________________________________________ Understand the purpose of these decals. The decals are important to the safe operation of the mower. REPLACE THE DAMAGED DECALS IMMEDIATELY. DANGER Injury or death can occur from contact with the blade or from the objects discharged from the mower.
  • Page 23 DECALS 5 WARNING To prevent injury, do not touch the muffler or muffler shield. The muffler temperatures can be more than 150° F (66° C). 4199140 WARNING Read the manual before you use the mower. Engage the transport pins with wing arms in lifted position for transport, storage or maintenance.
  • Page 24 5 DECALS WARNING Read the manual for service instructions. • The wing arm canister is a stored-energy device. To prevent injury, do not disassemble the canister. • Open the tow valve before you tow the mower. Do not tow the mower at more than 2 mph (3.2 kph).

  • Page 25: Instruction Decals

    DECALS 5 INSTRUCTION DECALS ____________________________________________________ Traction pedal operation 3008521 Steering Assist Pedal Decal BRAKE 360053 Patent Decal Manufactured under one or more of the following U.S. patents: 5309699; 5915496; 6,046,530 6336311; 6336312; 7051498 and others pending. Guaranteed Sound Power Level en-24...
  • Page 26 5 DECALS Height of Cut Decals Mount Number of Spacers Middle Height Location Under Mount Lower Upper 1-1/2 Lower Thrust Lower Mount Washer 2-1/2 Lower Leveling 2-1/2 Middle Washer Middle 3-1/2 Middle Lower Middle Spacers Under Upper Mount 4-1/2 Upper Upper 5-1/2 Upper...
  • Page 27 DECALS 5 WARNING Read the manual. To not allow operators without training to use the mower. Keep the shields in position and tighten all hardware. Before you clean, adjust or repair the mower, disengage all drives, engage the parking brake, stop the engine and remove the key.
  • Page 28 5 DECALS en-27...

  • Page 29: Controls 6

    CONTROLS 6 6Controls OPERATOR COMPARTMENT ________________________________________________ en-28...

  • Page 30: Control Panel

    6 CONTROLS CONTROL PANEL _________________________________________________________ 6.2.16 6.2.14 6.2.17 6.2.15 6.2.13 6.2.9 6.2.10 6.2.7 6.2.6 6.2.12 6.2.8 6.2.11 6.2.1 6.2.2 6.2.5 6.2.3 6.2.4 6.2.19 6.2.18 en-29...

  • Page 31: Ignition Switch

    CONTROLS 6 6.2.1 IGNITION SWITCH _________________________________________________________ The ignition switch has three positions, OFF, RUN and START. In the run position, the controller program is active and input and output circuits are monitored. START 6.2.2 4WD REVERSE SWITCH ____________________________________________________ For additional traction when you drive in the reverse direction, the 4WD-traction circuit can be engaged for a short time.

  • Page 32: Cruise Control Switch

    6 CONTROLS 6.2.4 CRUISE CONTROL SWITCH_________________________________________________ The cruise control system is an optional kit. The cruise control switch controls the operation of the cruise control system. To engage the cruise control, move the switch to the center position. Press the traction pedal and press and release the front of the switch.

  • Page 33: Pto Switch

    CONTROLS 6 6.2.7 PTO SWITCH _____________________________________________________________ The PTO switch is a 2-position knob type switch to engage and to disengage the mowers. The PTO switch must be in the OFF (down) position to start the engine. NOTICE The 4WD switch must be in the ON position for the PTO switch to engage the mowers. Pull on the red knob to move the switch to the ON position.
  • Page 34 6 CONTROLS 6.2.11 COMBINATION GAUGE____________________________________________________ The combination gauge shows the hours of operation, the level of fuel and has six indicator lights to indicate the mower conditions. The hour meter in the center of the gauge shows the hours of operation of the mower.

  • Page 35: Water Temperature Gauge

    CONTROLS 6 The red parking brake light indicates that the parking brake is engaged. Do not press the traction pedal with the light illuminated. The red battery light indicates that the battery voltage was less than 11.5 volts for one minute. Return the mower to the service area.
  • Page 36 6 CONTROLS 6.2.14 FRONT DECK LEVER _____________________________________________________ The front deck lever lifts and lowers the front deck. Front Deck Lever NOTICE The engine throttle must be at least 50% speed to lift or lower the decks. Press and release the lever until the front deck has lowered to the ground. If the PTO switch and the 4WD switch are in the ON position, the front deck blades will start to turn when the front deck is lowered.
  • Page 37 CONTROLS 6 6.2.17 WEIGHT TRANSFER KNOB _________________________________________________ The weight transfer knob adjusts the weight of the cutting units to increase or decrease the mower traction. When you adjust the weight transfer knob, the lower time of the cutting units will change and increase or decrease the ground pressure at each tire.

  • Page 38: Traction Pedal

    6 CONTROLS TRACTION PEDAL _________________________________________________________ The traction pedal controls the movement of the mower. Press the front of the pedal to move in the forward direction. Press the rear Forward part of the pedal to move in the reverse direction. When traction Mow Stop pedal is not pressed, the pedal will return to the NEUTRAL position.

  • Page 39: Steering Wheel Tilt Adjustment

    CONTROLS 6 STEERING WHEEL TILT ADJUSTMENT _______________________________________ The steering wheel angle is adjustable. Lift the lever and move the steering wheel backward or forward to get the correct setting. Release the lever to set the position of the steering wheel. CAUTION To prevent injuries, DO NOT adjust the steering wheel while you operate the mower.

  • Page 40: Operation

    7 OPERATION 7Operation DAILY INSPECTION________________________________________________________ CAUTION The inspection must be done each day when the engine is turned off and all fluids are cold. Lower the cutting units to the ground, engage the parking brake, stop the engine and remove the ignition key. Do a visual inspection of the mower.

  • Page 41: Interlock System

    OPERATION 7 INTERLOCK SYSTEM ______________________________________________________ The Interlock System prevents the engine to start unless the parking brake is engaged, the traction pedal is in the NEUTRAL position and the PTO switch is in the OFF (Down) position. The system stops the engine if the operator leaves the seat with the PTO switch in the ON position, traction pedal out of the NEUTRAL position or the parking brake disengaged.

  • Page 42: Operating Procedure

    7 OPERATION OPERATING PROCEDURE __________________________________________________ WARNING This mower has a Roll Over Protection Structure (ROPS). Always wear the seat belt. 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 safety glasses, leather work shoes or boots, a hard hat and ear protection.

  • Page 43: Starting The Engine

    OPERATION 7 STARTING THE ENGINE ____________________________________________________ Start the engine with the operator in the seat, the PTO switch in the OFF position and the parking brake engaged. Remove your foot from the traction pedal. Always wear the seat belt. Throttle Set the throttle lever to half throttle.

  • Page 44: Driving

    7 OPERATION DRIVING _________________________________________________________________ Read and follow all safety instructions contained in this manual when you drive the mower. When you operate in the reverse direction, look behind you to make sure you have a clear path. IMPORTANT: Equipment must meet the current regulations to be driven on the public roads. Push the PTO switch to the OFF position and lift the cutting units to the transport position.

  • Page 45: Mowing Speed

    OPERATION 7 MOWING SPEED __________________________________________________________ The cutting quality is improved at speeds lower than the transport speed of the mower. A mow speed of 6 to 7 mph (10 to 11 km/hr) is set at the factory and is correct for most conditions. The local turf conditions can need a different speed. If the adjustment is needed, see Section 10.2.

  • Page 46: Mowing On Slopes

    7 OPERATION 7.10 MOWING ON SLOPES______________________________________________________ The mower is made to have good traction and to have good balance. Operate the mower with caution when you drive on a gradient. If you drive on wet grass, the traction and steering control of the mower is decreased.
  • Page 47 OPERATION 7 How to calculate a slope: Tools Required: Level (A), either 1 yard, or 1 meter long. Tape measure (B). Use the level (A) and position it horizontally to measure the distance (C) with tape measure (B). Use the chart to calculate the slope angle or the percentage grade of the slope (D).

  • Page 48: Towing The Mower

    NOTICE When you tow the mower, do not drive more than 2 mph (3.2 km/hr). Jacobsen recommends that you do not tow the mower for long distances. When the mower gets to the service area, close the bypass valve completely, engage the parking brake and install the covers.

  • Page 49: Maintenance And Lubrication Charts 8

    MAINTENANCE AND LUBRICATION CHARTS 8 8Maintenance and Lubrication Charts MAINTENANCE CHART Mower Service Interval Chart Interval Item Section First 50 Hours • Replace engine oil See 9.3 • Replace engine oil filter See 9.3 • Replace hydraulic oil filter See 9.13 •...

  • Page 50: Lubrication Chart

    8 MAINTENANCE AND LUBRICATION CHARTS LUBRICATION CHART _____________________________________________________ FLUID REQUIREMENTS ____________________________________________________ Fluid Requirements Quantity Type Engine Oil with Filter 12 Quart (11.35 liter) 10W-30 API Classification CJ-4 Hydraulic Oil with Filter 50 U.S. Gallon (189 liter) ISO VG68 Hydraulic Fluid 5001404 (5 Gallon (18.9 liter) Pail) Radiator Coolant 14 Quart (13.25 liter)

  • Page 51: Maintenance 9

    • Refer to the Engine manual for specified maintenance intervals. If the injection pump, injectors or the fuel system need service, contact your Jacobsen Dealer. NOTICE The mower operates and cuts correctly at the preset governor setting. Do not change the engine governor setting or over speed the engine.

  • Page 52: Engine Oil

    9 MAINTENANCE ENGINE OIL ______________________________________________________________ Check engine oil level Check the engine oil level before you start the engine or at least five minutes after you stop the engine. Park the mower on a level surface. Remove the dipstick, clean the dipstick with a cloth and replace in position.

  • Page 53: Engine Air Filter

    MAINTENANCE 9 ENGINE AIR FILTER _______________________________________________________ Check the service indicator each day. If the red band Indicator Window become visible in the window, replace the filter elements. Button Do not remove the elements to inspect or clean. Removal of the filter that is not necessary increases the risk of dust and Filter Primary Element other particles to enter the engine.

  • Page 54: Fuel System

    9 MAINTENANCE FUEL SYSTEM ____________________________________________________________ Water Separator Fuel From If the water is not removed from the fuel, damage to the fuel-injection Filter Engine system can occur. Every 100 hours, drain the water from the water separator. Stop the engine. To Engine Open the drain valve at the bottom of the water separator and drain the water.

  • Page 55: Battery

    MAINTENANCE 9 BATTERY ________________________________________________________________ Before you service the battery, make sure the ignition switch is in the OFF position and the key is removed. CAUTION When you service the battery, always use the tools with insulation, wear protective glasses and protective clothing. Discard used batteries as shown in your local regulations.

  • Page 56: Charge The Battery

    9 MAINTENANCE CHARGE THE BATTERY __________________________________________________________ WARNING Charge the battery in an area with good airflow. The battery can release hydrogen gas that is explosive. To prevent an explosion, keep any device that can cause sparks or flames away from the battery. When the battery charger is turned on, to prevent injury, stay away from the battery.

  • Page 57: Diesel Particulate Filter

    MAINTENANCE 9 9.10 DIESEL PARTICULATE FILTER ______________________________________________ During the operation of the mower, the level of particle material will increase in the Diesel Particulate Filter (DPF) system. The periodic Regen of the DPF system is needed to remove particle material. During an Active or Parked Regen, the engine will use more fuel.

  • Page 58: Hydraulic Hoses

    9 MAINTENANCE 9.11 HYDRAULIC HOSES ______________________________________________________________ WARNING To prevent injury from the hot, high pressure oil, never use your hands to check for oil leaks. Use the paper or cardboard to find leaks. The hydraulic fluid pressure can have enough force to enter your skin. If hydraulic fluid has entered your skin, a doctor must remove the hydraulic fluid surgically within a few hours or gangrene can occur.

  • Page 59: Hydraulic Fluid

    MAINTENANCE 9 9.12 HYDRAULIC FLUID ________________________________________________________ Drain and replace the hydraulic oil if one of the following occur. • Component failure • Water or foam is in the hydraulic fluid • The hydraulic fluid has a rancid odor (indication of high heat) •...

  • Page 60: Tires

    9 MAINTENANCE 9.14 TIRES ___________________________________________________________________ Keep the tires correctly inflated to increase tire life. Inspect the tread wear. Check the tire pressure each day, while the tires are cool. Use an accurate low-pressure tire gauge. Keep tires inflated to 16 psi (1.11 BAR) for the front tires, and 12 psi (0.86 BAR) for the rear tires. CAUTION DO NOT try to put a tire on a rim unless you have the correct training, tools and experience.

  • Page 61: Radiator

    500 hours. Replace the Right clamps and hoses every two years. Have your Jacobsen Dealer check the cooling system if you need to add coolant more than one time a month or Cooler you add more than a quart of coolant at a time.

  • Page 62: Inspecting Blades

    9 MAINTENANCE 9.18 INSPECTING BLADES _____________________________________________________ Every 50 hours of operation or when the cutting unit is removed from the mower, carefully inspect the blades to make sure the blades are in good condition. Replace any blade that has bends, grooves or cracks. Normal CAUTION Blade...

  • Page 63: Electrical System

    • Check the interlock system, fuses and circuit breakers at normal intervals. If the interlock system does not operate correctly and you can not correct the problem, contact an authorized Jacobsen Dealer. • Keep the wiring harness away from hot surfaces and moving parts.
  • Page 64 9 MAINTENANCE K14 K13 K12 F15 ● F16 ● F17 ● F18 ● SW20 K22 ● SW21 ▲ SW5 ◆ SW22 ● SW13 K11 K10 K9 K8 K7 K6 K5 K4 K3 K2 K1 SW12 SW14 Bottom of control panel KY15 KY16 KY17...

  • Page 65: 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 fiberglass parts, wax with a good grade of one-step cleaner wax. Repair damaged metal surfaces and use Jacobsen touch-up paint. Apply wax to the equipment for maximum paint protection.

  • Page 66: Mower Storage

    9 MAINTENANCE 9.22 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. • Drain and fill the radiator. • Clean the tires and keep the mower so that the load is not on the tires. If the mower is not on the jack stands, check tires at normal intervals and add air when needed.

  • Page 67: Adjustments 10

    Always use the jack stands. A qualified technician must always do adjustments and maintenance. If the correct adjustments can not be made, contact your Jacobsen Dealer. Inspect the equipment according to the maintenance schedule and keep complete records. Keep the equipment clean.

  • Page 68: Belt Adjustment

    10 ADJUSTMENTS 10.3 BELT ADJUSTMENT _______________________________________________________ Inspect and adjust a new belt after the first ten hours of operation. Check the belt every 100 hours after the first 10 hours. Alternator Belt Adjust the alternator position so that the belt moves 1/4 to 5/16 inch (0.6 to 0.8 cm) with a 20 lb.

  • Page 69: Neutral Adjustment

    ADJUSTMENTS 10 10.4 NEUTRAL ADJUSTMENT ___________________________________________________ The neutral adjustment is set at the factory on all new mowers and replacement pumps. Additional adjustment is not necessary unless the pump was disassembled for repair or service. Neutral adjustment is set at the drive pump.

  • Page 70: Neutral Switch Adjustment

    10 ADJUSTMENTS 10.6 NEUTRAL SWITCH ADJUSTMENT ___________________________________________ The neutral switch is part of the Interlock System. The switch prevents the mower to start unless the traction pedal in the Neutral position. If the neutral switch is not adjusted, the mower will not start. Adjust the neutral switch after the neutral adjustment is done.

  • Page 71: Parking Brake Adjustment

    ADJUSTMENTS 10 10.9 PARKING BRAKE ADJUSTMENT _____________________________________________ Check the parking brake and steering-assist pedals each week. Check the brake cables, the cable linkage and pivots to make sure the brakes operate correctly. Replace the worn or damaged components immediately. To test the operation of the parking brake - Park the mower near the bottom of a hill with a 16.7°...

  • Page 72: Steering Stop Adjustment

    10 ADJUSTMENTS 10.11 STEERING STOP ADJUSTMENT _____________________________________________ The steering toe-in must be adjusted before you adjust the stop bolts. When the toe-in is adjusted, stop bolts Left Rear must be adjusted. Tire Right Rear Tire Loosen the jam nuts on both sides of the axle. Turn the studs out as far as possible.

  • Page 73: Height Of Cut

    ADJUSTMENTS 10 10.13 HEIGHT OF CUT ___________________________________________________________ The height of cut for the cutting unit is adjusted from 1 to 5-1/2 inch (2.5-14 cm) in 1/2 inch (1.3 cm) steps. The height of cut result can be different from the heights given because of the condition of the turf and other conditions. NOTICE When cutting rough areas, a lower height of cut can cause scalping.
  • Page 74 10 ADJUSTMENTS Caster Wheel Chart 1/2 inch (1.3 cm) Spacers 1/2 inch (1.3 cm) Spacers Caster Pivot Mounting Height of Cut Below Deck Housing Above Deck Housing Location 1 inch (2.5 cm) Lower Position Holes 1-1/2 inch (3.8 cm) Lower Position Holes 2 inch (5.1 cm) Lower Position Holes 2-1/2 inch (6.3 cm)
  • Page 75 ADJUSTMENTS 10 Caster Wheel Adjustment Gauge Wheel Adjustment (Front Deck Only) Upper Position Holes Gauge Wheel 4 to 5-1/2 inch (10.2 to 14 cm) Center Position Holes 2-1/2 to 4 inch (6.3 to 10.2 cm) Lower Position Holes 1 to 2-1/2 inch (2.5 to 6.3 mm) Snap Ring 1/8 inch (0.32cm)

  • Page 76: Deck Level Adjustment

    10 ADJUSTMENTS 10.14 DECK LEVEL ADJUSTMENT ________________________________________________ When the cutting unit or caster wheels were removed for service, check the blade height. The blade height of all cutting unit blades must be adjusted to less than 1/8 inch (0.32 mm) of the other blades. Before you adjust the blade height, check the tire pressure of the caster wheels.
  • Page 77 ADJUSTMENTS 10 Shim Support Bracket Stop Shim Bracket Plastic Support Plate 1/8 inch (0.32cm) Spacer 1/16 inch (0.16cm) Spacer Pivot Block 1/8 inch (0.32cm) Spacer en-76...

  • Page 78: Limit Switch Adjustment

    10 ADJUSTMENTS 10.15 LIMIT SWITCH ADJUSTMENT _______________________________________________ The limit switches control the point that the cutting unit blades start or stop. The limit switches are found on the mower frame near the lift arms. When the deck is lowered, the limit switch contacts will close and will engage the cutting unit blades.

  • Page 79: Torque Specification

    Jacobsen uses Grade 5 (Inch) and Grade 8.8 (Metric) Plated bolts, unless a note is given. Always check the marks on the head of the bolts for the bolt grade. For tightening plated bolts, use the value given for lubricated.

  • Page 80: Problem Solving

    11 PROBLEM SOLVING 11Problem Solving 11.1 GENERAL________________________________________________________________ The problem solution chart lists basic problems that can occur during start and operation of the mower. For complete information about the hydraulic and electrical systems, contact your Jacobsen Dealer. Symptoms Possible Causes Action...

  • Page 81: Mower Relays

    PROBLEM SOLVING 11 11.2 MOWER RELAYS __________________________________________________________ K14 K13 K12 K22 ● KY15 KY16 KY17 KY18 K15 K16 K17 K18 K11 K10 K9 K8 K7 K6 K5 K4 K3 K2 K1 Relay Description Function KYI / K1 Key Switch “I” When the PTO switch is in the OFF position, the parking brake and neutral switches are closed, the relay supplies power to the KYS/K3 relay.
  • Page 82 The replacement controllers with higher revision levels will be compatible. For factory help or replacement of the Kubota Engine Controller, give the engine model and serial number found on a plate on the engine valve cover. Engine Controller Mower Controller Hardware JACOBSEN 4304379 Revision MTI500834 REV A DATE YYWW...

  • Page 83: Quality Of Cut 12

    QUALITY OF CUT 12 12Quality of Cut 12.1 QUALITY OF CUT PROBLEM SOLVING________________________________________ Make a “test cut” to check the performance of the mower before you start the repairs. This area must have turf conditions that are known and do not change across the area. This type of area allows an accurate inspection of the performance of the mower to be made.

  • Page 84: Step Cutting

    12 QUALITY OF CUT 12.3 STEP CUTTING ___________________________________________________________ Step cutting occurs when grass is cut higher on one side of a cutting unit than the other side. Step cutting can occur when one cutting unit is higher than another cutting unit.

  • Page 85: Scalping

    QUALITY OF CUT 12 12.4 SCALPING _______________________________________________________________ Scalping is a condition in which areas of grass are cut shorter than the adjacent areas. The area can be light green or brown. A low HOC setting or turf that is not level can cause scalping.

  • Page 86: Stragglers

    12 QUALITY OF CUT 12.5 STRAGGLERS ____________________________________________________________ Stragglers are separated blades of grass the are not cut, or are cut incorrectly. TN0223 NOTE: Arrow indicates direction of travel. Probable Cause Remedy Edge of the cutting blade(s) are not sharp. Sharpen the blade(s). See 9.19 Cut (ground) speed is higher than normal Reduce the cut (ground) speed.

  • Page 87: Streaks

    QUALITY OF CUT 12 12.6 STREAKS ________________________________________________________________ A streak is a line of grass that is not cut. The cause of a streak can be a damaged blade. TN0224 NOTE: Arrow indicates direction of travel. Probable Cause Remedy Damaged blade(s). Replace the blade(s).

  • Page 88: Windrowing

    12 QUALITY OF CUT 12.7 WINDROWING ____________________________________________________________ Windrowing is the deposit of clippings increased at one end of cutting unit(s) or between cutting units. Windrowing can make a line in the direction of travel. TN0225 NOTE: Arrow indicates direction of travel. Probable Cause Remedy The grass is higher than the level at which the mower...

  • Page 89: Mismatched Cutting Units

    QUALITY OF CUT 12 12.8 MISMATCHED CUTTING UNITS ______________________________________________ Mismatched cutting units is a pattern of different cutting heights, that gives the grass a stepped cut appearance. This appearance is normally because of a mismatched HOC (height-of-cut) adjustment from one cutting unit to another unit.
  • Page 90 13 NOTES 13Notes en-89...
  • Page 91 NOTES 13 en-90...
  • Page 92 Equipment from Jacobsen is built to exacting standards ensured by ISO 9001 and ISO 14001 registration at all of our manufacturing locations. A worldwide dealer network and factory trained technicians backed by Genuine Jacobsen Parts provide reliable, high-quality product support.

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