BobCat E35 – HYDRAULIC CONTROL VALVE – Boom Valve Section Disassembly And Assembly

Remove the plug (Item 1) [Figure 20-40-83].

Installation: Tighten the plug to 69 – 78 N•m (51 – 58 ft-lb) torque.

Remove the spring (Item 1) and compensator valve (Item 2). Remove the O-ring (Item 3) [Figure 20-40-84].

NOTE: The compensator valve must be installed in the valve section it was removed from.
Installing the incorrect compensator valve will cause poor hydraulic valve performance.

Remove the relief valves (Item 1) [Figure 20-40-85].

Installation: Tighten the relief valves to 69 – 78 N•m (51 – 58 ft-lb) torque.

Remove the O-ring (Item 1) [Figure 20-40-86].

Remove the screws (Item 1) and end cap (Item 2) [Figure 20-40-87].

Installation: Tighten the screws to 7,5 N•m (5.5 ft-lb) torque.

Remove the O-ring (Item 1), spring seat (Item 2), spring (Item 3) and spring seat (Item 4) [Figure 20-40-88].

Remove the screws (Item 1) and end cap / anti-drift assembly (Item 2) [Figure 20-40-89].

Installation: Tighten the screws to 9 – 11 N•m (7 – 8 ft-lb) torque.

Remove the O-rings (Item 1), spring seat (Item 2), spring (Item 3) and spring seat (Item 4). Remove the spool (Item 5) [Figure 20-40-90].

NOTE: The spool is not symmetrical. Incorrect spool installation will cause poor hydraulic valve performance.

Pull out on and remove the plug (Item 1) [Figure 20-40-91].

Remove the back-up ring (Item 1), O-ring (Item 2), spring (Item 3) and poppet (Item 4) [Figure 20-40-92].

Remove the plug (Item 1) [Figure 20-40-93].

Installation: Tighten the plug to 69 – 78 N•m (51 – 58 ft-lb) torque.

Remove the O-ring (Item 1) [Figure 20-40-94].

Remove the anti-drift valve (Item 1) from the end cap (Item 2) [Figure 20-40-95].

Installation: Tighten the valve to 69 – 78 N•m (51 – 58 ft-lb) torque.

Remove the outer spool (Item 1), spool carrier (Item 2), inner spool (Item 3), spring seat (Item 4) and spring (Item 5). Remove the back-up rings (Item 6) and O-rings (Item 7) [Figure 20-40-96].

Remove the cover (Item 1) [Figure 20-40-97].

Installation: Tighten the plug to 69 – 78 N•m (51 – 58 ft-lb) torque.

Remove the spacer (Item 1) and spring (Item 2). Remove the O-ring (Item 3) [Figure 20-40-98].