JLG 534D-10 - Manual (Page 141)

8.17 534D-9, 534D-10 & 544D
Hydraulic System
Assemble the Main Control Valve.
1. Place all three tie rods with the washers and nuts
through the inlet main control valve section.
2. Stand the end main control valve section on end.
3. Install the proper o-rings and load sense shuttle on
the inner face of the inlet main control valve section.
Align the hoist control valve section over the three tie
rods and slide onto the inlet main control valve
section.
4. Using the proper o-rings, repeat step three for the
crowd control valve section, the tilt valve section, the
sway valve section, the tilt valve section, auxiliary
valve section and last the outlet end valve section.
5. Install the three washers and nuts on the tie rods.
Torque to 23-27 lb-ft (57 Nm).