BobCat S70 – HYDRAULIC PUMP – Removal And Installation

Raise the lift arms and install the lift arm support device.
(See Installing on Page 10-20-1.)

Stop the engine and raise the seat bar.

Lift and block the loader. (See Procedure on Page 10-10-1.) Raise the operator cab. (See Raising on Page 10-30-1.)

NOTE: The engine and hydrostatic pump assembly must be moved to the right to remove the hydraulic pump.

Loosen the left engine mounting bolt (Item 1), and remove the right engine mounting bolt (Item 2) [Figure 20-60-3].

Loosen the clamp (Item 1) [Figure 20-60-4] to remove the suction hose from the hydraulic oil reservoir fill tube.

NOTE: Removing the battery will make gear pump removal and installation easier. (See Removal
And Installation on Page 60-20-1.)

Remove the bolts (Item 1) [Figure 20-60-5] from the steering lever linkage. Remove the linkage from the hydrostatic pumps.

Remove the two bolts and nuts (Item 2) [Figure 20-60-5] from the pivot mounting bracket.

Remove the speed control linkage from the pivot.

Remove the nut, bolt, spacer, mounts and snubber cups (Item 1) [Figure 20-60-6] from the right side hydrostatic pump mount.

Disconnect the outlet hose (Item 1) [Figure 20-60-7] from the hydraulic pump.

Remove the nut, bolt, spacer, mounts and snubber cups (Item 1) [Figure 20-60-8] from the right side hydrostatic pump mount.

Remove the two hydraulic pump mounting bolts (Item 2) [Figure 20-60-8] (top and bottom).

Installation: Tighten the hydraulic pump mounting bolts to 27-37 ft.-lb. (37-50 N•m) torque.

Remove the hydraulic pump.

Remove the coupler (Item 1) [Figure 20-60-9] from the hydrostatic pump mount and check for damage. Replace as needed.

Remove the O-ring (Item 2) [Figure 20-60-9] from the hydrostatic pump and replace with a new one.

Installation: Make sure the new O-ring is installed onto the gear pump when assembling.

 

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