M48 Tank
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 the tank.
6.3.Remove the rear wheels using a 3/4” socket.
6.4.Tilt the seat up, and disconnect the negative bat- tery cable.
6.5.Thoroughly clean the area surrounding any hydraulic fittings to be loosened or removed.
6.6.If the unit has been run recently, allow it to cool before doing loosening any hydraulic fittings.
WARNING: Hot hydraulic fluid can cause seri- ous burns.
WARNING: Release of pressurized hydraulic fluid can cause serious or fatal injury.
6.7.Open the relief valve on the hydro pump. This will relieve any residual hydraulic pressure. See Figure 6.7.
OPEN
Figure 6.7
6.8.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.
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