7 - 6 DPL-25S • DPL-30S • DPL-35S Super Series Part No. 40462
September 2016
Section 7 - Repair Procedures
Hydraulic Power Units
3-1
Hydraulic Power Unit Components - AC Models
Index
No. Description Function
1 115-230V AC electric motor ............................. Single phase - 2850/3450 rpm, 50/60 Hz
2 Capacitor .......................................................... Motor start circuit
3 Pressure relief valve ......................................... Hydraulic relief valve adjustment
4 Solenoid operated N.O. dump valve ................ Diverts pump output back to reservoir during motor start up
5 10V DC coil ....................................................... Activates N.O. dump valve
6 Breather cap ..................................................... Reservoir vent
7 Sight gauge ...................................................... Hydraulic fluid level
8 Reservoir .......................................................... 1.3 gallons (4.9 liters)
9 Pipe plug ........................................................... Drains reservoir
10 Pick-up filter ...................................................... Filters hydraulic fluid
11 O-ring ................................................................ Seals reservoir
12 Check valve ...................................................... One-way valve for pump output
13 Pump ................................................................ 0.5 to 0.6 gallons per minute at 2000 psi
1.89 to 2.27 liters per minute at 138 bar
14 Motor seal ......................................................... Seals motor from contaminants
15 Motor bearing ................................................... Aligns motor shaft into pump
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