Remove the BICS valve assembly from the control valve.
(See BICSTM Valve, Removal And Installation on Page 20-41-9.)
Remove the four large O-rings (Item 1) and small O-ring (Item 2)[Figure 20-41-50]. Always replace these O-rings
before installing the BICS valve assembly
Mark each valve section, spool and related parts so that they will be returned to their original valve section during
Use bolts to fasten the control valve to a work bench for easier disassembly and assembly procedures.
Loosen the load check valve plugs (Item 1) [Figure 20-41-51].
Installation: Always use new O-ring. tighten the plug to 35-40 ft.-lbs. (47-54 Nm) torque.
Remove the load check plugs (Item 1) [Figure 20-41-52].
Remove the spring (Item 2) and poppet (Item 3) [Figure 20-41-52].
The auxiliary section (Item 1) uses an orifice load check poppet (Item 2) [Figure 20-41-53].