BOBCAT S130 – HYDROSTATIC PUMP (SJC) – Removal And Installation

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. (See Linkage Removal And Installation on Page 50-100-7.)

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 30-51-9] and washer(s).

Installation: Tighten the mounting bolt to 90 – 100 ft.-lb. (125 – 135 N•m) torque.

NOTE: Mounting bolt (Item 1) [Figure 30-51-9] is a special purpose bolt, replace with genuine Bobcat parts only.

Loosen the drive belt tensioner (Item 1) [Figure 30-51-10] and remove the drive belt.

Remove the hydrostatic pump drive pulley mounting nut (Item 2) [Figure 30-51-10] 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 30-51-11].

Installation: Install the key in the hydrostatic pump shaft (Item 1) [Figure 30-51-12] before installing the pump drive pulley.

Hold the nut (Item 1) [Figure 30-51-13] on the two hydrostatic pump mounting bolts (Item 2) [Figure 30-51-12].

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.


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