Cub Cadet M48 service manual Return Line Feed Line Close, Elbow

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M48 Tank

5.14.Open the relief valve on the hydro pump that is to be tested. This will relieve any residual hydraulic pressure. See Figure 5.14.

RETURN LINE

FEED LINE

CLOSE

OPEN

ELBOW

RELIEF VALVE

Figure 5.14

5.15.Confirm that the hydraulic pressure has been relieved by rotating the brake drum / hub assem- bly. If the it will not rotate, confirm that the brake is released and that the brake linkage is not bound.

5.16.If there is any possibility of fluid contamination, drain and flush the system, and replace the filter before installing the new hydro pump.

5.17.Position a catch pan beneath the hydro pump to be removed. Have four 1/2” JIC plugs and two 1/2” JIC caps within reach.

5.18.Disconnect the feed line that runs from from the front of the hydro pump to the filter manifold using a 7/8” wrench on the nut, and a 13/16” wrench to hold the fitting on the hydro pump. Plug the line, cap the fitting on the pump.

5.19.Disconnect the return line that runs from from the outboard side of the hydro pump to the res- ervoir using a 7/8” wrench on the nut, and an 11/ 16”” wrench to hold the fitting on the hydro pump. Plug the line, cap the fitting on the pump. See Figure 5.14.

5.20.Disconnect the two lines that connect the hydro motor to the back of the hydro pump using a pair of 7/8” wrenches. Plug the lines.

See Figure 5.20.

HYDRO

PRESSURE LINES

 

PUMP

HYDRO

BETWEEN PUMP

 

MOTOR

 

AND MOTOR

 

 

 

ADAPTORS

 

Figure 5.20

5.21.Remove the two O ring to JIC adaptors from the back of the hydro pump. Replace them with the yellow shipping plugs from the replacement hydro pump.

5.22.Remove the 90 deg. elbow fitting that the return line was connected to using an 11/16” wrench and a 3/4” wrench. Plug the port using a yellow shipping plug removed from the replacement pump.

5.23.Remove the O ring to JIC adaptor that the feed line was connected using a 13/16” wrench. Plug the port using a yellow shipping plug removed

from the replacement pump.

See Figure

5.23.

 

Figure 5.23

8

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Contents Cub Cadet M48 Tank Page Table of Contents Page Drive System Adjustment OIL Filter BatteryAbout this Section First Hole Second Hole Fluid LevelBrake Connecting ROD Rear Brake ARM Assembly Bellcrank Mounting ShaftOpen Hydro Pump Hydro Relief Valve Brake Link Brake Actuator ARMReturn to Neutral Cylinder Right Testing Hydro Pump Output ElbowJAM NUT Stop Bolt Replacing the Hydro Pump FAN NUT Washer Spring Tensioner Pulley ARMPuller Pulley NUT ROD END Bolt Lock Washer Control ARMReturn Line Feed Line Close ElbowHydro Pressure Lines Pump Between Pump Motor Adaptors Mounting Bolt Pulley with KEY NEW Pump Replacing the Hydro Motor Disconnectmounting Bolts Motor PlateOrientation Marks Arrow to Fittings Brake Drum Assembly Brake Linkage Adjustment Rear Brake ARM Assembly Bushing Brake Connector ROD Shoulder NutsBrake Rear Bellcrank Link Shaft ROD Brake Link ROD Rear BrakeBrake Switch Adjust HereFront M72 Tank M48 Tank M48 Tank Other Tank Features M48 Tank M48 Tank M48 Tank Kohler EFI Electronic Control Module Fuel pump Fuel filter is easily accessible. See Figure Electrical connection for injector Fuel injector EFI ControlsM48 Tank M48 Tank M48 Tank
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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.