Service Manual May 2015Manifolds86 GS-2669 BE • GS-3369 BE • GS-4069 BE Part No. 1257106How to Adj ust the Oscill ate R elief ValveHow to Adjust the Oscillate ReliefValveNote: Perform this procedure with the machine inthe stowed position and in high torque mode.1 Connect a 0 to 5000 psi / 0 to 350 barpressure gauge to test port #2 (TP2) on thefunction manifold.2 Disconnect the harness from the oscillatesupply coil and the steer right coil.3 Connect the oscillate supply harness to thesteer right coil and the steer right harness tothe oscillate supply coil.4 Turn the key switch to platform control and pullout the red Emergency Stop button to the onposition at both the ground and platformcontrols.5 Steer the machine to the right and hold. Notethe pressure readings on the pressure gauge.Refer to Specifications, HydraulicComponents Specifications.6 Use a wrench to hold the oscillate relief valveand remove the cap.7 Adjust the internal hex socket. Turn itclockwise to increase the pressure orcounterclockwise to decrease the pressure.Install the relief valve cap.Tip-over hazard. Do not adjustthe relief valve higher thanspecified.8 Repeat this procedure beginning with step 5 toconfirm the relief valve pressure.9 Connect the harness back to the originalposition.10 Remove the pressure gauge.1 test port #22 oscillate supply coil (green/white andbrown wires)3 steer right coil (blue and brown wires)4 oscillate relief valve
