September 2016
Hydr aulic Power Unit
3-1
3-1 H ydr aulic Power U nit - AC M odels (to SN AW P03-27389 and IWP03- 5150)
Hydraulic Power Unit - AC Models
(to SN AWP03-27389 and IWP03-5150)
Index No.
Description
1
115-230V AC electric motor
2
Capacitor
3
Relief valve
4
Solenoid operated N.O. dump valve
5
10V DC coil
6
Hydraulic tank
7
Drain plug
8
Sight gauge
9
Breather cap
10
Suction strainer
11
O-ring
12
Pump
13
Check valve
14
Motor seal
15
Motor bearing
Part No. 38139
Function
Single phase - 2850/3450 rpm, 50/60 Hz
Motor start circuit
Lift relief
Diverts pump output back to tank during motor start up
Activates N.O. dump valve
3 quarts / 2.8 liters
Drains hydraulic tank
Hydraulic fluid level
Hydraulic tank vent/filler
Filters hydraulic fluid
Seals tank
0.5 to 0.6 gallons per minute at 2000 psi /1.89 to 2.27
liters per minute at 138 bar
Pump output
Seals motor from contaminants
Aligns motor shaft into pump
AWP Super Series • IWP Super Series
Hydraulic Power Unit
Service Manual
77