Jacobsen 67971 – LF 3400 Dealer's Manual
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Jacobsen 67971 – LF 3400 Dealer's Manual

Jacobsen 67971 – LF 3400 Dealer's Manual

Lightweight fairway mower
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See also: Parts & Maintenance Manual
Dealer's
Manual
Lightweight Fairway Mower
67971 – LF 3400
67972 – LF 3400
67958 – LF 3800
67959 – LF 3800
67960 – LF 3400
67961 – LF 3800
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 should read the entire manual before attempting to set up,
operate, adjust, or service the machine.
, 2WD
™
, 4WD
™
, 2WD
™
, 4WD
™
Turbo, 4WD
™
Turbo, 4WD
™
WARNING
4179106-GB (Rev.A)
Dealer
This manual is designed to assist dealer
personnel with the proper set up and
preparation of the equipment prior to
delivery to the customer. You may wish to
keep a copy in your customer file.
Do Not Remove the Safety & Operation
Manual or Parts & Maintenance Manual
from the tractor.
For additional information not included in
this manual, refer to your office copy of:
• The Safety & Operation Manual
• The Parts & Maintenance Manual
Use the pre-delivery checklist provided on
the inside back cover of this manual. You
may wish to provide a copy to the
customer upon delivery of the unit.
When Performance Matters.
™

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Summary of Contents for Jacobsen 67971 – LF 3400

  • Page 1 4179106-GB (Rev.A) Dealer’s Manual Lightweight Fairway Mower Dealer 67971 – LF 3400 , 2WD ™ 67972 – LF 3400 , 4WD ™ This manual is designed to assist dealer 67958 – LF 3800 , 2WD personnel with the proper set up and ™...

  • Page 2: Table Of Contents

    This manual contains safety and operating instructions The serial plate is located on the right rear frame rail. for your new Jacobsen mower. This manual should be Jacobsen recommends you record these numbers below stored with the equipment for reference during operation.

  • Page 3: Safety

    (vertically), not across the face (horizontally). the job. Only use accessories and attachments approved by Jacobsen. 21. To prevent tipping or loss of control, do not start or stop suddenly on slopes. Reduce speed when making sharp Stay alert for holes in the terrain and other hidden turns.

  • Page 4: Important Safety Notes

    Adjustments and maintenance should always be performed by a qualified technician. If additional information or service is needed, contact your Authorized Jacobsen Dealer who is kept informed of the latest methods to service this equipment and can provide prompt and efficient service. Use of other than original or...

  • Page 5: Controls

    CONTROLS CONTROLS ICONS ___________________________________________________________________ Read Manual Engine Mower Rotation Engine Throttle Start High Forward Reverse (Cut) (Backlap) Hour Meter Parking Brake Mowers Drive Lower Raise 2-WD 4-WD Fuel Work Lights Oil Level Switch Travel Off/Test Forward Reverse Warning Lights Coolant Cruise Control Hydraulic Oil Engine Oil...
  • Page 6 CONTROLS Tilt Steering Lever Reel Switch B1 Parking Brake Lock 2 WD / 4 WD Switch B2 Parking Brake Release Light Switch Parking Brake Engine Throttle Mow Speed Stop Cruise Control (Option) Traction Pedal - Forward Ignition Switch Traction Pedal - Reverse W Hour Meter Seat Adjustment Fuel Gauge...

  • Page 7: Controls

    CONTROLS CONTROLS _______________________________________________________________ A. Tilt Steering Lever E. Traction Pedal - Forward Pull lever up to release steering column. Tilt Press front of pedal down for forward travel. Release column up or down to position desired. pedal to slow mower and stop. Release lever to lock steering column in F.
  • Page 8 CONTROLS K. Backlap Switch M. Controller / Fuses The backlap switch allows the mowers to The controller is located under the rear hood directly rotate in reverse for backlapping. behind the operator’s seat. It is equipped with LEDs to aid in monitoring and troubleshooting the electrical Forward normal operation...

  • Page 9: Control Panel

    CONTROLS CONTROL PANEL _________________________________________________________ O. Hydraulic Oil Level / Horn Switch T. Engine Throttle This switch is used to test the alarm Controls engine speed. Run machine at full throttle system or disable the alarm after a low oil during normal machine operation. level has been detected.

  • Page 10: Operator Alerts

    CONTROLS OPERATOR ALERTS_______________________________________________________ The electronic controller monitors vital machine systems. It uses an audible alarm and warning lights to alert the operator of conditions requiring immediate action. When an alert occurs follow the general guidelines listed in the chart below, and any specific actions outlined by the grounds superintendent or service manager.

  • Page 11: Set-Up

    SET-UP 3 Set-up GENERAL ________________________________________________________________ The set-up and testing of the unit should always be Accessories not included with this product must be performed by a trained technician, familiar with the ordered separately. See instructions provided with operation of this equipment. accessory for installation and parts.

  • Page 12: Reels

    SET-UP REELS __________________________________________________________________ 1. If installing five inch reels, apply Moly EP grease to side. Refer to flash attach procedure. female spline on reel, and insert reel coupler (N) into [Section 4.5] the bearing housing before attaching reel motor. 2. Remove hardware (P) from the outside front roller brackets of the front wing mowers only.

  • Page 13: Interlock System

    SET-UP Interlock System __________________________________________________________ The interlock system prevents the engine from starting Refer to the chart below for each test and follow the unless the parking brake is engaged, the traction pedal check ( ) marks across the chart. Shut engine off is in neutral, and the reel switch is OFF.

  • Page 14: Adjustments

    ADJUSTMENTS 4 Adjustments GENERAL________________________________________________________________ adjustment cannot be made, contact an authorized Jacobsen Dealer. WARNING Replace, do not adjust, worn or damaged components. To prevent injury, lower implements to the ground, Do not wear jewelry or loose fitting clothing when disengage all drives, engage parking brake, stop engine, making adjustments or repairs.

  • Page 15: Bedknife Adjustment

    ADJUSTMENTS BEDKNIFE ADJUSTMENT ___________________________________________________ Read Section 4.2 before making the adjustment. Note: Avoid excessive tightening or damage may occur to bedknife and reel blades. Reels must turn freely. CAUTION To prevent personal injury and damage to the cutting edges, handle the reel with extreme care Start adjustment at leading end of reel, followed by the trailing end.

  • Page 16: Flash Attach

    ADJUSTMENTS FLASH ATTACH___________________________________________________________ Installing Cutting units Carefully raise arm until cutting unit can be removed. Place each cutting unit in front of its respective lift arm. Raise lift arm and position cutting unit so that yoke (T) is in line with swivel housing (S). Carefully lower arm onto yoke.

  • Page 17: Mow Speed

    ADJUSTMENTS MOW SPEED______________________________________________________________ Cutting quality is better at speeds well below the transport speed of the mower. An initial mow speed of five to six mph is set at the factory and should be satisfactory for most cutting conditions. Local turf conditions however may respond better to a different speed.

  • Page 18: Neutral Adjustment

    ADJUSTMENTS 4.10 NEUTRAL ADJUSTMENT ___________________________________________________ Neutral adjustment can only be made at the drive pump. Connect traction linkage. When connecting linkage at traction pedal, make sure pointer on traction pedal The neutral adjustment is preset at the factory on all new bracket is centered over neutral switch (M -Figure 4K).

  • Page 19: Front Reel Limit Switch

    ADJUSTMENTS 4.12 FRONT REEL LIMIT SWITCH_________________________________________________ The front left and right lift arms are equipped with proximity Start engine and check that reels turn off when raised. switches, which signal the controller to turn off the reels.The switches are mounted to the mower frame directly behind NOTICE the lift arms.

  • Page 20: Torque Specification

    All torque values included in these charts are approximate and are for reference only. Use of these torque values is at your sole risk. Jacobsen is not responsible for any loss, claim, or damage arising from the use of these charts.

  • Page 21: Troubleshooting

    TROUBLESHOOTING 5 Troubleshooting GENERAL ________________________________________________________________ The troubleshootijng chart below lists basic problems that may occur during start-up and operation. For more detailed information regarding the hydraulic and electrical systems contact your area Jacobsen Dealer. Symptoms Possible Causes Action Engine will not start.

  • Page 22: Controller Lamps

    TROUBLESHOOTING CONTROLLER LAMPS _____________________________________________________ The controller is a solid state device that monitors and indicates an active circuit and will turn an input lamp on, an controls electrical functions. The controller receives input open switch an inactive circuit and will turn a lamp off. signals from various switches and sensors throughout the Outputs are active when their lights are on.

  • Page 23: Electrical Circuits

    TROUBLESHOOTING ELECTRICAL CIRCUITS ____________________________________________________ When troubleshooting the machine using the controller always check that Program Active lamp (1) is on. These indicate that the controller has power and the program is active. NOTICE The controller requires a minimum of six volts to operate. Individual circuits can be tested by operating an input switch, checking for the required input signal, and looking for a corresponding output.

  • Page 24: Lubrication

    LUBRICATION 6 Lubrication LUBRICATION CHART 11 13 Lubrication points are same for all reels Lubricate using only manual grease gun with NLGI Grade 2 (Service Class LB). Grease Fittings F1 - 50 Hours (Every Week) Swivel Housing Lift Arm Lift Cylinders Lift Arm Pivot Brake Pedal Pivot Traction Pedal Pivot...

  • Page 25: Electrical System

    Pre-Delivery Checklist Product No. 67971 - LF 3400 2WD Product No. 67959 - LF 3800 4WD Product No. 67972 - LF 3400 4WD Product No. 67960 - LF 3400 Turbo 4WD Product No. 67958 - LF 3800 2WD Product No. 67961 - LF 3800 Turbo 4WD Tractor_________________________ Electrical System _______________ Check:...
  • Page 26 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 Jacobsen Parts Xpress provide reliable, high-quality product support.

This manual is also suitable for:

67960 – lf 340067958 – lf 380067959 – lf 380067972 – lf 340067961 – lf 3800

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