The blade can be tested for balance by balancing it on a round shaft screwdriver. Remove metal from the heavy side until it balances evenly.

Reassembly

Before reassembling the blade to the unit, lubricate the spindle with light oil (or engine oil).

Be sure to properly align “star” fitting on blade with “star” on spindle.

When replacing the blade, be sure to install the blade with the side of the blade marked “Bottom” (or with part number) facing the ground when the mower is in the operating position.

Blade Mounting Torque: 70/90 foot-pounds maximum.

NOTE: To ensure safe operation, all nuts and bolts must be checked periodically for correct tightness.

Oil Drain Sleeve

Your rider mower has a plastic oil drain sleeve, packed with the loose parts, for draining oil from the crankcase.

To drain the oil, snap small end of the oil drain sleeve onto oil sump. See Figure 19.

Remove drain plug and drain oil into a suitable container.

Oil Drain

Sleeve

Figure 19

Engine

Refer to the separate engine manual for engine maintenance instructions.

Maintain engine oil as instructed in the separate engine manual packed with your unit. Read and follow instructions carefully.

Poor engine performance and flooding usually indicates that the air cleaner should be serviced. Service air cleaner as per the engine manual. Clean frequently under extremely dusty conditions.

The spark plug should be cleaned and the gap reset once a season. Spark plug replacement is recommended at the start of each mowing season. Check engine manual for correct plug type and gap specifications.

Lubrication

See Figure 20 for an illustration of the lube points described below.

Lube

Lube

Lube

Lube

Lube

(before

reassemby)

Viewed from the bottom

Figure 20: Lubrication Chart

Blade Assembly

Lubricate blade assembly and deck spindle only while reassembling the blade either after sharpening or replacement.

Pivot Points

Lubricate pivot points with light oil once a season.

Steering Shaft and Gear

Lubricate steering shaft and spline at least once a season with light oil.

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Bolens 13B-325-401 manual Oil Drain Sleeve, Engine, Lubrication

13B-325-401 specifications

The Bolens 13B-325-401 is a versatile riding lawnmower designed for homeowners who require reliable performance and ease of use in their lawn maintenance. This model, known for its powerful engine and user-friendly features, is tailored to handle a variety of landscaping tasks with precision.

At the heart of the Bolens 13B-325-401 is a robust 13.5 horsepower Briggs & Stratton engine. This engine provides ample power to tackle tough grass and uneven terrain, making it suitable for larger residential lawns. The engine is designed for easy starting, featuring a recoil system that ensures quick operation, reducing downtime and making yard work more efficient.

One of the standout features of the 13B-325-401 is its 42-inch cutting deck. This wide cutting area allows users to cover more ground in less time, and the precise design promotes an even cut across different grass types. The deck is equipped with adjustable cutting heights, allowing operators to customize the lawn cut to their desired level. With six different cutting positions, users can transition from a manicured look to a more natural finish depending on their landscaping needs.

The mower also includes a responsive hydrostatic transmission, which provides seamless speed control without the complications of manual shifting. This feature allows for effortless transitioning between forward and reverse, making maneuvering around obstacles like flower beds or trees much easier. The intuitive controls are strategically placed, ensuring that operators can adjust their speed and direction smoothly while maintaining a comfortable grip.

Durability is a key characteristic of the Bolens 13B-325-401. The heavy-duty steel frame is designed to withstand the rigors of regular use, ensuring longevity. Additionally, the mower’s compact design allows for easy storage, even in tight spaces.

User comfort has not been overlooked. The mower offers a plush seat that is adjustable, providing support during longer mowing sessions. The ergonomic steering wheel and dashboard layout improve the overall user experience, allowing for easy access to essential controls such as the ignition and throttle.

In summary, the Bolens 13B-325-401 combines power, efficiency, and comfort, making it an excellent choice for homeowners looking to simplify lawn care. Its advanced features, including a reliable engine, adjustable cutting deck, and user-friendly design, create a machine capable of maintaining beautiful lawns with confidence and ease.