LOAD KING 35-127 M, Operator'S Manual, Page: 181 / 216

181
PROCEDURE FOR ADJUSTING BOOM VALVE ADJUSTMENTS
The system reliefs should be set only when the oil in the hydraulic system is warm or at operating
temperature�
1
2
3
BOOM VALVE CROSS PORT RELIEF
1 LS port 4 Retract boom - Cross port relief (B)
2 Extend boom - Cross port relief (A)
1� Install gauge in LS port (
1
) on boom valve (Mid section of boom/swing valve)�
2� Engine at full throttle (Approx 1650 rpm depending on chassis)�
3� Fully Extend boom - Set Cross port relief (
2
) to 2700 psi
4� Fully Retract boom - Set cross port relief (
3
) to 2250 psi�
5� Fully raise or lower boom and set boom valve relief to 3500 psi�