Jacobsen Eclipse 2 122F User Manual (English)

Questions and Answers:

K
Kayla RogersAug 8, 2025
What to do if my Jacobsen Eclipse 2 122F Lawn and Garden Equipment unit does not have power?
- B
  browncynthiaAug 8, 2025
  If your Jacobsen Lawn and Garden Equipment unit isn't getting power, here are a few things to check: * Make sure the power connector is properly connected. * Ensure the batteries are fully charged. * Start the engine before trying to use the unit. * Check and replace the 50 Amp fuse (located in the battery tray) or the 30 Amp fuse (under the handle cover) if they're blown. * Test the battery's load and replace if necessary. * Disengage the O.P.C. bail and restart the unit.
S
summersryanAug 14, 2025
What to do if my Jacobsen Lawn and Garden Equipment mower does not react properly to the O.P.C. Lever?
- B
  boydchristopherAug 14, 2025
  If your Jacobsen Lawn and Garden Equipment mower isn't responding correctly to the O.P.C. lever, consider these potential causes: 1. Ensure the power switch is turned on, following the correct start-up procedure. 2. Disengage the parking brake. 3. Turn the reel switch to the 'on' position. 4. Inspect belts and replace them if needed. 5. Calibrate the bail lever. 6. Check the LCD display for any fault with the traction motor and service the motor.
M
mbrownAug 20, 2025
Why is my Jacobsen Eclipse 2 122F engine hard to start and loses power?
- D
  Daniel BlairAug 20, 2025
  If your Jacobsen Lawn and Garden Equipment engine is difficult to start, runs poorly, loses power, or stalls, consider these possibilities: * Refer to the Engine Manual for choke position. * Refill with the proper grade of clean fuel if the fuel is dirty or incorrect. * Check the spark plug wire if there is loose wiring. * Clean the air intake and air cleaner if they are plugged. * Clean the fuel cap if the vent is plugged.
M
Mr. John GallowayAug 27, 2025
How to fix a Jacobsen Eclipse 2 122F Lawn and Garden Equipment reel that does not cut?
- Z
  zharrisonAug 27, 2025
  If your Jacobsen Lawn and Garden Equipment reel isn't cutting or is cutting unevenly, check these items: * Adjust the reel to the bedknife. * Ensure the reel switch is in the 'on' position. * Check the LCD display for any reel motor fault and service the reel motor. * Fully charge the battery pack if the battery charge is low. * Adjust the generator output if there's an over-voltage condition.
T
Traci OliverAug 31, 2025
Why my Jacobsen Eclipse 2 122F engine will not start?
- E
  Emily McconnellAug 31, 2025
  Here are some possible reasons why your Jacobsen Lawn and Garden Equipment engine won't start: * Refer to the Engine Manual for choke position. * Drain and refill the fuel tank with fresh, clean fuel if the tank is empty or the fuel is dirty. * Open the fuel shut-off valve if it's closed. * Refer to the Engine Manual for engine/spark plug issues. * Turn the engine switch to the 'On' position if it's off.

Jacobsen Eclipse 2 122F Specifications

General

Brand	Jacobsen
Model	Eclipse 2 122F
Category	Lawn and Garden Equipment
Language	English

Summary

Foreword

Suggested Stocking Guide

Lists recommended maintenance and support items for optimal equipment operation.

Service Parts

Catalog of available service parts for the mower.

Service Support Material

Catalog of support materials and training aids for the mower.

Safety

Operating Safety

Guidelines for the safe operation of the mower.

Important Safety Notes

Highlights critical safety warnings and precautions.

Specifications

Product Identification

Identifies mower models and their corresponding part numbers.

Mower

Details mower specifications like reel type and cutting width.

Traction and Differential

Specifies traction system and differential type.

Weights

Lists weights for various mower configurations.

Gen-Set Power Module

Details specifications for the Gen-Set power module.

Battery Power Module

Details specifications for the battery power module.

Accessories & Support Literature

Lists optional accessories and support literature references.

Declaration of Conformity

States compliance with relevant directives and standards.

Decals

Explains safety and operational decals found on the mower.

Controls

Icons

Explains the meaning of various control icons.

Handle Controls

Details controls located on the mower handle.

LCD Display

Describes the mower's LCD display functions and alerts.

Operator Mode

Explains the display options available in operator mode.

Maintenance Mode

Details settings and adjustments available in maintenance mode.

Frequency of Cut

Explains how to adjust and set the frequency of cut.

Gas Power Module Controls

Describes the controls for the gas power module.

Battery Power Module Controls

Describes the controls for the battery power module.

Operation

Daily Inspection

Procedures for daily pre-operation checks.

Interlock System (O.P.C.)

Explains the Operator Presence Control safety system.

Operating Procedures

General procedures for safe mower operation.

Starting/Stopping

Step-by-step guide for starting and stopping the mower.

Mowing

Instructions for mowing techniques and patterns.

Transport Wheels (Optional)

Instructions for installing or removing transport wheels.

Kickstand

How to use and remove the mower's kickstand.

Grass Catcher

Instructions for using and emptying the grass catcher.

Daily Maintenance

Routine maintenance tasks for daily upkeep.

Adjustments (All Units)

General

General advice for performing adjustments.

Brake

Instructions for adjusting the mower's brake system.

Speed Paddle Stops

How to adjust the speed paddle stop positions.

Handle

Instructions for adjusting the mower's handle angle.

Traction Belts

Procedures for adjusting the traction belts.

Front Roller Weight

How to adjust the weight on the front roller.

Torque Specification

Charts listing torque values for various fasteners.

Fixed Head Reel Adjustments

General

General information for fixed head reel adjustments.

Reel to Bedknife

Pre-adjustment checks for reel-to-bedknife contact.

Bedknife Adjustment

How to adjust the bedknife for proper reel contact.

Cutting Height

Procedure for setting the mower's cutting height.

Floating Head Reel Adjustments

General

General information for floating head reel adjustments.

Bedknife-to-Reel

Pre-adjustment checks for floating head reel-to-bedknife.

Bedknife Adjustment

How to adjust the bedknife for floating heads.

Reel Bearing

Information on checking and maintaining reel bearings.

Cutting Height

How to set the cutting height for floating heads.

Reel Assembly Removal

Procedures for removing the reel assembly.

Battery Power Module

Safety

Critical safety warnings for handling batteries.

General

General information on battery characteristics and maintenance.

Maintenance

General maintenance procedures for battery modules.

Cleaning Batteries

Instructions for safely cleaning battery terminals.

Battery Charger

Guidelines for using the battery charger.

Battery Installation

Step-by-step guide for installing batteries.

Replacing Battery Pack

Procedure for removing and replacing the battery pack.

Gen-Set Power Module

Engine

Information on the engine and its break-in procedure.

Engine Oil

Instructions for checking and using engine oil.

Engine Oil Change

Procedure for performing an engine oil change.

Engine Speed

How to check and adjust engine speed for optimal output.

Fuel

Important safety warnings and instructions for handling fuel.

Maintenance

General

General maintenance guidelines and precautions.

Tires (Option)

Proper inflation and care for optional tires.

Wheel Bearing

Instructions for installing wheel bearings correctly.

Backlapping and Grinding

Procedures for maintaining reel sharpness.

Storage

Instructions for long-term storage of the mower.

Troubleshooting

General

Common problems, their causes, and solutions.

Maintenance & Lubrication Charts

General

General advice on lubrication and maintenance intervals.

Maintenance Chart

A chart detailing service intervals for various components.

Lubrication Chart

Visual diagrams indicating lubrication points.

Parts Catalog

How to Use the Parts Catalog

Guidance on navigating and using the parts catalog.

To Order Parts

Instructions for ordering replacement parts.

Parts Catalog Table of Contents

An index of the parts catalog sections.

Handle Covers

Part breakdown of the handle covers.

Handle Assembly

Part breakdown of the complete handle assembly.

Handle to Frame Mount

Part breakdown of the connection between handle and frame.

Power Module Mounting Plate

Part breakdown of the plate mounting the power module.

Frame

Part breakdown of the mower's main frame structure.

Lower Unit

Part breakdown of the mower's lower unit components.

Reel

Part breakdown of the reel assembly.

Grass Shield and Roller Brackets

Part breakdown of grass shields and roller brackets.

Floating Head Reel Connection

Part breakdown of the floating head reel connection.

Outer Reel Assembly

Part breakdown of the outer reel assembly (floating head).

Inner Reel Assembly

Part breakdown of the inner reel assembly (floating head).

Differential and Rollers

Part breakdown of the differential and roller assemblies.

Parking Brake and Wheels

Part breakdown of the parking brake and wheel components.

Belts and Drive Motors

Part breakdown of belts and drive motors.

Harness Routing

Diagram illustrating the routing of electrical harnesses.

Genset Power Source

Part breakdown of the Genset power source components.

Battery Power Source

Part breakdown of the battery power source components.

Battery Case

Part breakdown of the battery case and its components.

Electrical Schematic

Diagram of the mower's electrical system wiring.

Fluids and Compounds

Hydraulic Fluid

Lists various hydraulic fluids and their capacities.

2-Cycle Oil

Lists available 2-cycle oils.

Grease

Lists types of grease.

Paint

Lists available paint colors.

Lapping Compound

Lists lapping compounds for reel maintenance.

Specialty Compound

Lists special compounds for specific applications.

Biodegradable Hydraulic Fluid

Lists biodegradable hydraulic fluid options.

O-Ring Kit

Lists available O-ring kits.

Right Start Kit for New Machines

Information on new machine kits.

On-Time Maintenance Kit

Information on maintenance kits.

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