7
Bulletin HY22-3220A/US
Instruction Manual
550 Series Hydraulic Power Units
Power Unit Schematics
Hydraulic Schematics
P
T
P
T
P
T
P
T
“SA” CIRCUIT
“SW” CIRCUIT
“S1-S4, P1-P4” CIRCUITS
“S5-S8, P5-P8” CIRCUITS
Parker Hannifin
HPS Division
New Hope, MN 55428 USA