Jacobsen Eclipse 2 Greens Mower (Owner’s Guide)
The Jacobsen Eclipse 2 is a walk-behind reel mower for greens, but its setup and service details depend on the machine’s exact model and serial number. Before mowing, charging, adjusting the reel, or ordering parts, confirm the installed cutting unit and electrical components, then follow the matching Owner’s Guide. Isolate power before clearing debris or servicing the cutting unit.
A useful way to avoid seasonal breakdowns is to treat the mower as two systems: a precision cutting unit and a model-specific electrical system. A clean reel cannot make up for a damaged connector, and a charged battery cannot fix poor reel-to-bedknife adjustment. I use the identification plate and component labels as the starting point, rather than relying on a manual for a similar-looking Eclipse.
The steps below help you prepare, mow, inspect, and store the machine without guessing at settings. Exact procedures and limits belong to the Owner’s Guide for your serial range.
Confirm the machine and prepare it safely
Preparation means identifying the mower and installed components before maintenance or use. Eclipse 2 machines can differ by cutting-unit width and electrical parts. Read the identification plate and labels, then match them to the correct Owner’s Guide. Do not transfer settings, charging instructions, or part numbers from another version.
Record the model and serial number, cutting-unit width, battery identification, and charger model. Cutting units are commonly configured at 18 or 22 inches, and 48-volt systems and 11-blade reels are common, but those details must be confirmed on your machine. Height-of-cut range, adjustment increments, battery type and capacity, reel speed, and controller settings are configuration-dependent.
| What to identify | Where to check | Why it matters |
|---|---|---|
| Model and serial number | Identification plate | Matches the machine to its guide and parts |
| Cutting-unit width and reel | Installed cutting unit and labels | Determines compatible cutting-unit parts |
| Battery and charger | Battery, charger, and machine labels | Prevents use of an incompatible charger |
| Height-of-cut settings | Applicable Owner’s Guide | Prevents adjustments based on another model |
Before each shift, check the reel, bedknife, guards, tires, battery connections, operator-presence controls, and parking brake. Remove loose debris from the machine while it is safely stopped. Wear eye protection, close-fitting work clothing, and sturdy slip-resistant footwear. Keep other people clear of the cutting unit.
Follow the guide’s electrical precautions whenever you charge, disconnect, or service the mower. Do not assume all versions use the same battery chemistry or charger. If a label is missing or unreadable, stop and confirm the correct component information before charging or ordering replacements.
Start, mow, and stop the Eclipse 2
Safe operation means following the controls and sequence in the applicable guide, then monitoring the mower and turf as you work. The mower is designed for turf mowing, not tree work or general debris cutting. Do not use guessed engine-style settings: this electric reel mower has no chainsaw fuel ratio or bar-oil specification.
Before starting, inspect the area and remove objects that could strike the reel. Confirm the cutting unit is clear, the guards are in place, and the operator-presence controls and brake work as described in the guide. Start the machine and engage the cutting unit only in the sequence the guide specifies. If a control does not respond as expected, stop and consult the guide rather than bypassing it.
Mow dry or suitably firm turf when conditions allow. Make turns gently to reduce the chance of scuffing the green. Watch for changes in sound, vibration, cut quality, or control. Stop promptly if the mower strikes an object, vibrates unusually, makes abnormal reel noise, or becomes difficult to control. Do not continue simply to finish a pass.
At the end of a pass or work period, disengage the cutting unit and stop the mower as directed. Apply the parking brake and remove or isolate the key or power source as the guide requires before cleaning, transport, or inspection.
Field setup scenarios
These examples are practical checks, not claims about a specific customer machine. They show how to handle common setup questions without assuming that two Eclipse 2 mowers have identical components.
- A replacement reel is needed: First record the serial number, installed cutting-unit width, and reel identification. Confirm the correct part through the matching guide or an authorized parts source. An 18-inch unit and a 22-inch unit are not interchangeable just because both fit the same mower family.
- The mower has been stored over winter: Check the battery and charger labels, inspect cables and connectors, and follow the storage and charging directions for that exact battery. Do not apply a generic charge target or storage rule from another battery chemistry.
- The cut looks uneven after setup: Inspect turf conditions and the reel and bedknife before changing height settings. Confirm the installed unit and use the model-specific height-of-cut procedure. Do not force a dull or poorly adjusted reel through the turf.
The takeaway is simple: identify first, then adjust. If the machine’s configuration cannot be confirmed, pause before ordering parts or changing settings.
Diagnose charging and electrical problems
Electrical diagnosis starts with the exact warning, the charger label, and the battery and machine labels. A flashing light or code can mean different things on different chargers or controllers. Without the specific component and guide, there is no safe universal code chart or reset sequence.
If charging fails, note what the charger indicator does and when it changes. Check that the charger is the specified model, that its plug and the mower’s charging connection are clean and undamaged, and that connectors are fully seated as the guide directs. Inspect visible cables and the harness for cuts, loose connections, corrosion, or signs of heat. Do not open the battery or controller unless the guide identifies a user-serviceable step.
| Symptom | Safe first check | Next step |
|---|---|---|
| Charger flashes or will not begin charging | Read the charger label and note the exact light pattern | Use that charger’s guide and the mower’s Owner’s Guide |
| Connector looks damaged or hot | Stop charging; do not touch exposed conductors | Arrange service or replacement using the approved parts |
| Mower will not start | Check the guide’s starting conditions and visible connections | Follow the troubleshooting section; do not bypass controls |
| Warning returns after a permitted reset | Record the code or light pattern | Contact a qualified service provider with model and serial details |
Unplug or isolate power as instructed before inspecting connections. Never bridge terminals, defeat an interlock, or repeatedly reset a fault you cannot identify. If a connector is burned, a cable is damaged, or a warning returns, stop using the mower and have the fault checked. A recurring code is useful diagnostic information, not a reason to guess at a repair.
Maintain the reel, bedknife, and mower
Reel-to-bedknife adjustment describes the relationship between the rotating reel blades and the fixed bedknife. It affects cutting quality, but the correct setting and test method must come from the Owner’s Guide for your cutting unit. Do not tighten the bedknife until the reel drags or becomes hard to turn.
Before clearing a jam, inspecting the cutting edge, or doing any cutting-unit service, stop and isolate the machine exactly as the guide directs. Keep hands out of the reel and bedknife area. The operator-presence control is not a substitute for power isolation. A reel can cause severe hand injury if it moves unexpectedly.
Inspect the reel and bedknife for damage, wear, and debris. Use the specified test method to assess contact and adjustment. If the guide calls for backlapping or grinding, follow its procedure and limits; these are not interchangeable jobs. Stop if a blade or bedknife is damaged, or if the unit cannot be adjusted within the stated limits. Have the cutting unit serviced rather than forcing a poor cut.
For electrical upkeep, look for loose or damaged battery cables, connector wear, corrosion, heat marks, or harness damage. Use only the battery configuration and charger specified for the machine. Avoid improvised terminals, unapproved chargers, and repairs that require opening sealed electrical components.
If grass or debris jams the reel
A jam is an immediate stop condition. Disengage the cutting unit, stop the mower, apply the brake, and isolate the key or power source as the guide specifies. Keep hands away from the reel and bedknife. Clear debris only by the method allowed in the guide, then inspect for damage before restarting. If the reel remains blocked or damaged, arrange service.
Clean, transport, and store the mower
Cleaning removes grass and debris that can hide damage or interfere with inspection. Shutdown and isolation come first. Follow the guide’s sequence before cleaning or transporting the mower, and use care around the cutting unit, electrical parts, bearings, seals, and controls.
Remove grass buildup with a method suitable for the machine. Do not direct high-pressure water at electrical components, bearings, seals, or controls. After cleaning, dry and inspect the reel, bedknife, guards, connectors, and visible harness. If you find damage, do not return the mower to service until the issue is resolved.
For seasonal storage, use the battery-specific instructions in the Owner’s Guide. Charge level, temperature limits, and whether to disconnect the battery can vary by battery type and configuration. Do not substitute advice for a different Eclipse model or chemistry. Store the charger and battery as their labels and manuals direct.
Before the next season, review your service notes, inspect the cutting unit and electrical connections, and verify that the charger still matches the battery. Keep model and serial information with any measurements or parts records. That small record prevents guesswork when a fault appears months later.
Owner questions about the Eclipse 2
These answers cover common operating and maintenance questions. Because configurations vary, use the serial-specific Owner’s Guide for any adjustment, charging limit, or service step not confirmed on your machine.
What cutting width does the Eclipse 2 use?
Common cutting-unit configurations are 18 and 22 inches. Check the installed unit and machine documentation before ordering parts or choosing settings.
Is every Eclipse 2 a 48-volt mower?
A 48-volt electrical system is common, but verify the machine label. Do not select a charger or battery from a family name alone.
How many blades are on the reel?
An 11-blade configuration is used, but confirm the reel installed on your mower before ordering parts or setting up service.
Where do I find the correct height-of-cut range?
Use the Owner’s Guide that matches the model and serial number, along with the installed cutting-unit information. Do not copy settings from another version.
What should I do if the charger flashes an error?
Record the exact light pattern and check the charger and mower documentation. Inspect visible connections, then follow the specified troubleshooting steps. Do not guess at a reset or bypass a fault.
Can I use a different charger with the mower?
Use only the charger specified for the battery and machine configuration. A plug that fits does not prove that the charger is electrically compatible.
How should I clear a reel jam?
Stop the mower and isolate power as the guide specifies. Never reach into an energized reel, and do not rely only on the operator-presence control.
Should the bedknife be tightened until it touches the reel firmly?
No. Follow the guide’s adjustment procedure and test method. Excess contact can make the reel hard to turn and can affect cutting performance.
Can I pressure-wash the mower?
Avoid directing high-pressure water at electrical parts, bearings, seals, and controls. Clean by a method that protects those components, then dry and inspect the cutting unit.
What information should I have before ordering parts?
Record the model and serial number, installed cutting-unit width, reel identification, and battery and charger labels. Use those details to confirm compatibility.
(This article was written by one of our staff writers, Harrison Croft. Visit our Meet the Team page.)
