REV BJune 2005Section 4 • Repair Procedures4 - 64 TMZ-50/30 Part No. 65162MANIFOLDS9-12Valve Adjustments -Pump ManifoldHow toAdjust the System Relief ValvePerform this procedure with theplatform in the stowed position.1 Connect a 0 to 5000 psi / 0 to 350 bar pressuregauge to the test port on the function manifold.2 Press and hold the function enable button andpress the primary boom retract button. Observethe pressure reading on the pressure gauge.Refer to Section 2, Specifications.3 Turn the machine off. Hold the relief valve (itemAH, BC, CB or DB) and remove the cap.4 Adjust the internal hex socket. Turn it clockwiseto increase the pressure or counterclockwise todecrease the pressure. Install the relief valvecap.Tip-over hazard. Do not adjust therelief valve higher than specified.5 Repeat steps 2 through 4 to confirm the reliefvalve pressure.6-5800-610-4101ActionRental.com