TROUBLESHOOTING

Before making a request for repairs, check for trouble by yourself. If any abnormality is found, control your machine according to the description of this manual. Never tamper or dismount any part contrary to the description. For repairs, contact Authorized Service Agent or local dealership.

 

State of abnormality

Probable cause (malfunction)

Remedy

 

 

 

 

 

 

 

 

 

 

Failure to operate primer pump

Push 7 to 10 times

 

 

 

 

 

 

 

 

 

 

Low pulling speed of starter rope

Pull strongly

 

 

 

 

 

 

 

 

 

 

Lack of fuel

Feed fuel

 

 

 

 

 

 

 

 

 

 

Clogged fuel filter

Clean

 

 

 

 

 

 

 

 

 

 

Broken fuel tube

Straighten fuel tube

 

 

 

 

 

 

 

 

 

 

Deteriorated fuel

Deteriorated fuel makes starting more difficult.

 

 

 

 

 

Replace with new fuel. (Recommended

 

 

 

 

 

replacement: 1 month)

 

 

 

 

 

 

 

 

 

 

Excessive suction of fuel

Set throttle lever from medium speed to high

 

 

 

 

 

speed, and pull starter handle until engine

 

 

 

 

 

starts. Once engine starts, cutter blade

 

Engine does not start

 

starts rotating. Pay full attention to cutter

 

 

 

 

 

blade.

 

 

 

 

 

If engine will not start still, remove spark plug,

 

 

 

 

 

dry the electrode, and reassemble them as

 

 

 

 

 

they originally are. Then, start as specified.

 

 

 

 

 

 

 

 

 

 

Detached plug cap

Attach securely

 

 

 

 

 

 

 

 

 

 

Contaminated spark plug

Clean

 

 

 

 

 

 

 

 

 

 

Abnormal clearance of spark plug

Adjust clearance

 

 

 

 

 

 

 

 

 

 

Other abnormality of spark plug

Replace

 

 

 

 

 

 

 

 

 

 

Abnormal carburetor

Make request for inspection and maintenance.

 

 

 

 

 

 

 

 

 

 

Starter rope cannot be pulled

Make request for inspection and maintenance.

 

 

 

 

 

 

 

 

 

 

Abnormal drive system

Make request for inspection and maintenance.

 

 

 

 

 

 

 

 

 

 

Insufficient warm-up

Perform warm-up operation

 

 

 

 

 

 

 

 

 

 

Choke lever is set to “CLOSE” although

Set to “OPEN”

 

 

 

 

engine is warmed up.

 

 

 

 

 

 

Engine stops soon

 

 

Clogged fuel filter

Clean

 

Engine speed does not increase

 

 

 

Contaminated or clogged air cleaner

Clean

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Abnormal carburetor

Make request for inspection and maintenance.

 

 

 

 

 

 

 

 

 

 

Abnormal drive system

Make request for inspection and maintenance.

 

 

 

 

 

 

 

Cutter blade does not rotate

Loosened cutter blade-tightening nut

Tighten securely

 

 

 

 

 

 

 

 

 

 

Twigs caught by cutter blade or dispersion-

Remove foreign matter

 

 

 

 

preventing cover.

 

 

 

 

 

 

Stop engine immediately

 

 

 

Abnormal drive system

Make request for inspection and maintenance.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Main unit vibrates abnormally

Broken, bent or worn cutter blade

Replace cutter blade

 

 

 

 

 

 

 

 

 

 

Loosened cutter blade-tightening nut

Tighten securely

 

 

 

 

 

 

 

 

 

 

Shifted convex part of cutter blade and cutter

Attach securely

 

 

 

 

blade support fitting.

 

 

 

 

 

 

Stop engine immediately

 

 

 

Abnormal drive system

Make request for inspection and maintenance.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cutter blade does not stop immediately

High idling rotation

Adjust

 

 

 

 

 

 

 

 

 

 

Detached throttle wire

Attach securely

 

 

 

 

 

Stop engine immediately

 

Abnormal drive system

Make request for inspection and maintenance.

 

 

 

 

 

 

 

 

 

 

Engine does not stop

Detached connector

Attach securely

 

 

 

 

 

 

 

 

 

 

Abnormal electric system

Make request for inspection and maintenance.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Run engine at idling, and set choke lever

 

 

 

 

to CLOSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When the engine does not start after warm-up operation:

If there is no abnormality found for the check items, open the throttle by about 1/3 and start the engine.

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Makita EM2650UH/Em2650LH manual Troubleshooting, State of abnormality Probable cause malfunction Remedy, Blade
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EM2650UH/Em2650LH specifications

The Makita EM2650UH and EM2650LH are advanced brushcutters designed for professional landscapers and gardening enthusiasts who require powerful and reliable tools. These models are part of Makita's renowned outdoor power equipment range, offering exceptional performance and cutting efficiency.

One of the standout features of both the EM2650UH and EM2650LH is their powerful 25.7 cc two-stroke engine. This engine provides ample power for various cutting applications, ranging from light grass trimming to tougher brush clearing tasks. The engines are designed for efficient fuel consumption, enabling longer operational time with fewer refueling stops.

These brushcutters are equipped with a U-shaped handle design that allows for a comfortable grip and improved control during operation. This ergonomic feature reduces fatigue, enabling users to work for extended periods without discomfort. Additionally, the EM2650UH model features a unique telescopic shaft that allows for adjustments, accommodating users of varying heights and ensuring optimal control.

Another innovative technology incorporated into these models is the "Easy Start" system. This feature significantly reduces the effort required to start the engine, enhancing user experience, especially in challenging conditions. Additionally, both models include a heavy-duty nylon cutting head designed for speed and efficiency, allowing for quick line changes and minimal downtime.

The EM2650UH and EM2650LH also feature Makita's anti-vibration technology, which minimizes user fatigue during prolonged use by absorbing vibrations generated during operation. This ensures smoother operation and improved precision in cutting tasks.

Durability is another key characteristic of these brushcutters. Constructed with high-quality materials, they can withstand the rigors of professional use in various environments, ensuring reliability and longevity. With an impressive cutting width, these models can tackle larger areas efficiently, making them ideal for landscaping businesses and lawn care professionals.

In summary, the Makita EM2650UH and EM2650LH brushcutters combine power, comfort, and efficiency, making them top choices for anyone serious about outdoor maintenance. With their ergonomic design, advanced starting technology, and robust performance features, they offer the ideal balance for tackling any grass or brush cutting job effectively and comfortably.
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