Maintenance | Exmark Metro 21 Series instruction

•Slow down your mowing speed if the lawn mower does not cut the leave finely enough.

•If you mow over oak leaves, you can add lime to the grass in the spring to reduce the acidity of the oak leaves.

5.MAINTENANCE

NOTE: Determine the left and right sides of the machine from the normal operating position.

Recommended Maintenance Schedule

Service Interval	Maintenance Procedure
	•	Check the engine oil level.
	•	Check the stopping time of the blade brake. The blade must stop
Each Use		within 3 seconds of releasing the bail; if it does not; contact an
Each Use		Authorized Service Dealer for repair.
		Authorized Service Dealer for repair.
	•	Remove grass clippings and dirt from under the housing.
	•	Clean the discharge tunnel and the discharge tunnel plug.
5 Hours	•	Check the blade and the engine mounting fasteners. Tighten them
5 Hours		if they are loose.
		if they are loose.
	•	Change the engine oil (without the oil filter).1
	•	Sharpen or replace the blade; maintain it more frequently if the
		edge dulls quickly in rough or in sandy conditions.
50 Hours	•	Clean the blade brake clutch shield.
50 Hours	•	Check for leaks in the fuel system and/or a deteriorating fuel hose.
	•
		Replace parts if necessary.
	•	Remove grass clippings and debris from under the belt cover.
	•	Lubricate the pivot arms.
75 Hours	•	Adjust the self-propel drive system.
	•	For Kawasaki Engines: Change the oil filter.
	•	Inspect the spark plug and replace it if necessary.
	•	Clean the cooling system; remove grass clippings, debris, or dirt
100 Hours		from the engine air cooling fins and starter. Clean the system more
100 Hours		frequently in dirty or high-chaff conditions.
		frequently in dirty or high-chaff conditions.
	•	Lubricate the gear case.
	•	For units with a Blade Brake Clutch: Adjust the blade brake cable.
	•	Service the wheels.
250 Hours	•	For Honda Engines: Replace the paper air filter. Replace it more
250 Hours		frequently in dusty operating conditions.
		frequently in dusty operating conditions.
300 Hours	•	For Kawasaki Engines: Replace the paper air filter. Replace it
300 Hours		more frequently in dusty operating conditions.
		more frequently in dusty operating conditions.
Storage	•	Empty the fuel tank before repairs as directed or before storage.

1Change the engine oil after the first 5 operating hours.

NOTE: Refer to your engine operator’s manual for additional maintenance procedures.

CAUTION

POTENTIAL HAZARD

♦If you leave the wire on the spark plug, someone could accidentally start the engine.

WHAT CAN HAPPEN

♦Accidental starting of the engine could seriously injure you or other bystanders.

HOW TO AVOID THE HAZARD

♦Disconnect the wire from the spark plug before you don any maintenance. Set the wire aside so that it does not accidentally contact the spark plug.

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Metro 21 Series specifications

The Exmark Metro 21 Series is a robust and versatile lawn mower designed to meet the needs of both professional landscapers and homeowners seeking a reliable cutting solution. Known for its durability, performance, and user-friendly design, the Metro 21 series has become a popular choice in the mowing industry.

One of the standout features of the Metro 21 Series is its compact and lightweight design, making it ideal for navigating through tight spaces and small yards. This mower is powered by a 21-inch cutting deck, which provides precise cutting and allows for excellent maneuverability. The cutting deck is crafted from high-quality materials, ensuring longevity and resistance to wear and tear over time.

Powered by Exmark's commercial-grade Kohler or Subaru engines, the Metro 21 offers powerful performance without sacrificing fuel efficiency. These engines are designed to deliver reliable starting and consistent power, making it easier to tackle tough mowing conditions. Additionally, the mower features Exmark’s patented rear-discharge system, which contributes to a clean cut and enhanced productivity by allowing clippings to be evenly distributed back onto the lawn.

The Metro 21 Series incorporates a user-friendly height adjustment system, allowing operators to quickly and easily adjust the cutting height to suit varying lawn conditions. This feature provides versatility for achieving the perfect cut in different grass types and growth lengths. Furthermore, the mower is equipped with comfortable handles that can be adjusted for various operator heights, ensuring ergonomic operation and reducing fatigue during extended use.

Another noteworthy technology in the Metro 21 Series is its folding handle design. This allows for easy storage and transport, making it an excellent choice for lawn care professionals who need to maneuver their equipment frequently. The model also comes with a durable composite grass bag for easy clipping collection, ensuring a tidy cleanup after mowing.

In summary, the Exmark Metro 21 Series is a well-engineered mower that combines power, efficiency, and convenience. Ideal for both commercial and residential use, its features cater to the needs of various users. Whether navigating small yards or tackling dense grass, the Metro 21 delivers superior performance, making it a worthwhile investment for lawn care enthusiasts and professionals alike.