Cub Cadet M48 - User Manual

Page 3 - TABLE OF CONTENTS

TABLE OF CONTENTS M48 Tank .......................................................................................................... 1 About this Section ............................................................................................. 1 Changes for ‘03 and ‘04 ............................

Page 8 - TESTING HYDRO PUMP OUTPUT

M48 Tank 4 3.18. If one side does not drive as effectively as the other, test the output of the hydro pump to deter-mine if the problem lies in the pump or the hydro motor. By the process of elimination, if perfor-mance is lacking, brake drag is eliminated, adjustment is correct, and the pump is O.K...

Page 9 - purge the hydraulic sys-; STOP BOLT

M48 Tank 5 NOTE: The test can be performed at either line between the pump and the motor. The top line on the motor is the in line from the pump when driving forward. The linkage has more travel in forward than it does in reverse, so the test is most easily done on the top line of the pump, driving ...

Page 10 - FLOW

M48 Tank 6 4.23. When the fluid is between 160-210 deg. f. (71-90 deg. c.) apply full forward drive pressure to the lap bar with the engine running at full speed (3600 RPM) while an assistant closes the valve to the point where pressure reaches 300 PSI (21 Bar.). See Figure 4.23. NOTE: It may be nec...

Page 14 - REPLACING THE HYDRO MOTOR; Safely lift and support the rear of the tank.

M48 Tank 10 5.39. Install the wheels, lower the TANK to the ground, and test run it in a safe area. Make any neces-sary adjustments before installing the cutting deck. 6. REPLACING THE HYDRO MOTOR 6.1. If the cutting deck is currently on the unit, remove it. 6.2. Safely lift and support the rear of ...

Page 17 - BRAKE LINKAGE ADJUSTMENT

M48 Tank 13 6.28. Install the brake arm and clip on the new hydro motor. See Figure 6.28. 6.29. Transfer the O ring to flare adaptor fittings from the old hydro motor to the new hydro motor, using a 1” wrench. Inspect the fittings and O rings. If there is any doubt about their condition, replace the...

Page 20 - TANK

M48 Tank 16 7.21. Release the parking brake. 7.22. The brake bracket should draw up against the frame cross member. If this reaction is not con-sistent, tighten the shoulder nut slightly. There should be roughly 1 1/2” between the head of the shoulder nut and the brake bracket when the brakes are ap...

Page 22 - A larger engine is required to power the larger

M48 Tank 18 8.7. The track at the rear has also increased. Extra brackets have been added to the frame to step the hydro motors out. See Figure 8.7. 8.8. To enable the brake linkage to reach the reposi-tioned hydro motor, the rear brake arm assem-blies have been doubled-up on each side. Instead of a...

Page 23 - OTHER TANK FEATURES

M48 Tank 19 9. OTHER TANK FEATURES 9.1. Honda Power is offered on the M48-HN and M54-HN. The M48-HN has a 20 H.P. Honda V-twin engine. The M54-HN has a 24 H.P. Honda V-twin. See Figure 9.1. 9.2. ROPS is offered on the M60-KW (Kawasaki) and M60-KH (Kohler). This is not a bolt-on option. It is integra...

Page 27 - KOHLER EFI; The fuel injection system used on the the Kohler

M48 Tank 23 10. KOHLER EFI Fuel injection is nothing new. The Wright flyer that made history above the dunes at Kitty hawk, North Carolina was fuel injected. That was a hundred years ago this past summer. That system was only slightly more complex than a cam-driven Windex bottle. All diesel engines ...

Page 30 - EFI CONTROLS; Fuel injector

M48 Tank 26 10.11. The shrader valve can be used for checking fuel pressure. Fuel pressure readings obtained at the shrader valve can help pin-down problems with the fuel pump or the fuel pressure regulator. See Figure 10.11. 10.12. Before any service is performed on the pressur- ized portion of the...