5
Bulletin HY22-3220A/US
Instruction Manual
550 Series Hydraulic Power Units
Note:
When mounted in the horizontal configuration
the 2
1
/
2
gallon plastic reservoir must be supported.
Dimensions
Dimensions
THIRD ANGLE
PROJECTION
177.8
(7.00)
1/2 GAL
(2 LITER)
134.6
(5.30)
24.1
(0.95)
TWO WAY VALVE
(OPTIONAL)
LEADS 18GA
609.6 (24.00) LONG
STRIPPED ENDS
9/16-18 UNF-2B
SAE-6 STR THD
O-RING PORTS
P T
304.8
(12.00)
1 GAL
(4 LITER)
406.4
(16.00)
1-1/2 GAL
(5.6 LITER)
101.3
(3.99)
24.1
(0.95)
140.4
(5.53)
MOTOR HEIGHT
237.2-299.7
(9.34-11.80)
SINGLE PHASE
ONLY
FILLER/BREATHER
RELIEF VALVE
RETURN FLOW CONTROL
(OPTIONAL)
135.1
(5.32)
88.9
(3.50)
25.8
(1.02)
51.3
(2.02)
98.0
(3.86)
Note:
All dimensions in
mm
(inches).
550 Series shown with optional solenoid
2-way valve and steel reservoirs
THIRD ANGLE
PROJECTION
Parker Hannifin
HPS Division
New Hope, MN 55428 USA
