Remove the engine/hydrostatic pump assembly from the loader. (See Engine Removal And Installation on Page 70-10-8.)
Remove the control handle linkage from the hydrostatic pump.
Remove the hydraulic pump from the hydrostatic pump.
(See HYDRAULIC PUMP (STANDARD) on Page 20-60-1.)
Remove the hydrostatic pump mounting bolt (Item 1) [Figure 30-50-3] and washer(s).
Installation: Tighten the mounting bolt to 90 – 100 ft.-lb. (125 – 135 N•m) torque.
NOTE: Mounting bolt (Item 1) [Figure 30-50-3] is a special purpose bolt, replace with genuine Bobcat parts only.
Loosen the drive belt tensioner (Item 1) [Figure 30-50-4] and remove the drive belt.
Remove the hydrostatic pump drive pulley mounting nut (Item 2) [Figure 30-50-4] and washer.
Installation: Tighten the pump pulley mounting nut to 175 – 200 ft.-lb. (237 – 271 N•m) torque.
Install a puller on the hydrostatic pump drive pulley and remove the pulley from the pump shaft [Figure 30-50-5].
Installation: Install the key in the hydrostatic pump shaft (Item 1) [Figure 30-50-6] before installing the pump drive pulley.
Hold the nut (Item 1) [Figure 30-50-7] on the two hydrostatic pump mounting bolts (Item 2) [Figure 30-50-6].
Remove the two hydrostatic pump mounting bolts from the pump and drive belt housing.
Installation: Tighten the pump mounting bolts to 65 – 70 ft.-lb. (88 – 95 N•m) torque.
Reverse the removal procedure to install the hydrostatic pump assembly.