5.24.Remove the handle from the relief valve using a 7/16” wrench and a 3/16” allen wrench.

5.25.Remove the nuts from the carriage bolts that hold the hydro pump to the hydro pump mount- ing plate. See Figure 5.25.

MOUNTING NUT

RELIEF VALVE

 

HANDLE REMOVED

FITTINGS REMOVED

AND PLUGGED

Figure 5.25

5.26.Carefully lower and remove the hydro pump. If it is to be returned to Cub Cadet, remove the yel- low plugs and allow it to drain completely before packing and shipping it.

5.27.Inspect all of the fittings and O rings prior to installation in the replacement pump.

See Figure 5.27.

DEFORMED O RING

GOOD O RING

CHECK

THREADS

CHECK TAPERED SEATS

Figure 5.27

5.28.Prior to installation, pour oil directly into the pump inlet and high-pressure ports, then trans- fer yellow plugs back to the replacement pump.

M48 Tank

5.29.Position the pulley over the opening in the hydro pump support plate that the pump input shaft will pass through.

5.30.Position the pump so that the two bolts that secure it in position line-up with the two mount- ing ears on the pump, and the input shaft slips into the pulley as the pump is raised up to the hydro pump support plate. See Figure 5.30.

MOUNTING BOLT

PULLEY WITH KEY

NEW PUMP

Figure 5.30

5.31.Start both nuts that hold the pump onto their car- riage bolts.

5.32.As the pump is tightened into position, rotate the pulley to align the keyways, allowing the pulley to seat on the input shaft.

5.33.Install the fittings and lines, working quickly to minimize fluid loss.

NOTE: Use care not to over-tighten the O ring fittings, damaging the O rings.

NOTE: The lines may be installed finger tight to establish their positions, then tightened fully.

5.34.Install the belt, tension arm spring, steering link- age.

5.35.Install the fan, washer and nut to the input shaft. Torque the nut to 240 inch/lbs.

5.36.Install the debris screen.

5.37.Check the fluid level in the reservoir, purge the system as described in the test instructions.

5.38.If the hydraulic system has been drained and flushed with 20W50, install a new filter and fol- low the instructions for refilling the hydraulic sys- tem in the “Operator’s and Service Manual”.

9

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Cub Cadet M48 service manual Mounting Bolt Pulley with KEY NEW Pump
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M48 specifications

Cub Cadet has long been a name synonymous with quality and reliability in outdoor power equipment. Among its impressive lineup are the M48, M72, M54, 48, and 60 models, each designed to provide efficient and effective lawn maintenance solutions for both residential and commercial users. These zero-turn mowers embody advanced technology and engineering excellence that cater to the diverse needs of landscapers and homeowners alike.

The M48 model is compact yet powerful, featuring a 48-inch cutting deck that allows for agile maneuvering in tight spaces. It is powered by a robust engine designed for durability and longevity, ensuring that users can tackle their mowing tasks with ease. The M72, on the other hand, elevates performance with a 72-inch cutting deck, making it ideal for larger properties and commercial applications. Both models are equipped with a hydrostatic transmission, delivering smooth acceleration and precise control while reducing the fatigue often associated with extended mowing sessions.

Cub Cadet's 48 and 60 models focus on providing versatility and performance. The 48-inch deck allows for a perfect balance between speed and accuracy, making it suitable for various terrains. Meanwhile, the M60 model enhances productivity with its 60-inch cutting deck, optimized for efficiency without compromising on quality. These mowers are engineered with cutting-edge technology, including Cub Cadet's signature SmartJet technology, which ensures superior grass cutting and a cleaner, healthier lawn.

All models in this series are equipped with a comfortable operator platform, ensuring ease of operation over long periods. Ergonomically designed seats provide excellent support and minimize user fatigue, contributing to a more enjoyable mowing experience. In addition, the user-friendly control panel and intuitive steering levers allow for quick adjustments and enhanced maneuverability.

Durability is a hallmark of Cub Cadet mowers. Constructed with heavy-duty materials, these machines are engineered to withstand the rigors of regular use while providing outstanding performance. Moreover, select models come with advanced features such as LED headlights for improved visibility during early morning or late evening mowing sessions.

Additionally, the models benefit from a robust warranty program, reflecting Cub Cadet's commitment to customer satisfaction and product reliability. Whether you're a weekend warrior caring for your lawn or a professional landscaper managing extensive properties, Cub Cadet's M48, M72, M54, 48, and 60 mowers deliver the power, performance, and comfort that users expect from a leading brand in outdoor equipment. With these innovative machines, maintaining a pristine lawn has never been easier or more efficient.
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