en
8 | EPS 815 | Product description
3.5.3
Front panel
23
27
25
24V
12V
20
21
19
22
Calibration fluid
14 Supply-line connection
15 Return-line connection for measuring device
(on the swivel arm)
16 Calibration-fluid valve
17 Pressure gauge – low pressure 0 to 600 kPa
18 Pressure gauge – high pressure 0 to 6 MPa
19 Return-line connection for injection pump
Lubricating oil (optional accessory)
20 Return-line connection
21 Supply-line connection
22 Lubricating-oil control valve
23 Pressure gauge 0 to 1 MPa
Pressure measurement
24 Connection for low air pressure / internal pump pressure
25 Pressure gauge for low air pressure / internal pump pressure
–100 to +250 kPa
26 Connection for delivery-pump pressure
27 Pressure gauge for delivery-pump pressure 0 to 1.6 MPa
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1 689 989 348
2017-07-01
18
17
14
TestOil
26
2,5bar
16bar
24
15
16
458735/3
3.5.4
Summarised instructions
Actuator
Symbol
Explanation
Converter and calibration-fluid supply ON/
OFF
Drive motor ON/OFF
(Controller enable)
Heating ON/OFF
Lubricating-oil supply
Control valves
Symbol
Explanation
Calibration-fluid valve
Test-
Rotation:
Oil
Anti-clockwise v High pressure
Clockwise v Low pressure
Lubricating-oil control valve
Lube-
Oil
Overflow control valve
Pump Over Flow-
Oil
Pressure gauge and calibration-fluid connections
Symbol
Explanation
Calibration-fluid supply
Test-
Oil
Lubricating oil return line
Lubricating oil supply line
Vacuum gauge/internal pump pressure
250
gauge 250 kPa
kPa
Pressure-gauge connection
Delivery pump pressure
1,6
Pressure-gauge connection 1,6 MPa
MPa
Robert Bosch GmbH