7 - 8 DPL-25S • DPL-30S • DPL-35S Super Series Part No. 40462
September 2016
Section 7 - Repair Procedures
HYDRAULIC POWER UNITS
3-2
Hydraulic Power Unit Components - DC Models
Index
No. Description Function
1 12V DC electric motor ...................................... 12V DC standard duty 1 terminal
180 amp at 2650 psi (183 bar)
2 Electric motor starter solenoid .......................... Relay connecting power supply to electric motor
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 ................................................................ 0.7 to 1 gallons per minute at 2000 psi
2.6 to 3.76 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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