

Disconnect and cap hoist up hose

Connect pressure gauge to PX port on the L90 valve to measure Hawe pump pressure

Remove cap on hoist pressure limiter

Adjust the pressure limiter in to achieve a higher pressure to what we require at the Hawe valve

Connect gauge to Hawe M port

Adjust pressure reducing valve in to exceed 210Bar

Higher pressure to adjust relief on Hawe valve

Adjust pressure relief counter clockwise to lower pressure to 210 Bar

Hawe valve set at 210 Bar

While still stroking out hoist up, adjust the pressure reducing valve counter clockwise to decrease pressure to 175 Bar

Pressure reducing valve set at 175 Bar

Reconnect pressure gauge to PX port on the L90 valve to set pump pressure

On the the Hawe pump, use this adjuster screw to decrease pressure to 210 Bar

Hawe pump pressure