1 689 975 233 2018-05-08| Robert Bosch GmbH
| EPS 708 | 3 en
Contents English
1. Symbols used 5
1.1 In the documentation 5
1.2 On the product 5
2. User information 6
2.1 Important notes 6
2.2 Safety instructions 6
2.3 Disposal and scrapping 6
2.4 Equipment required 6
2.5 ESD protection 6
3. Variant overview 7
3.1 Voltage variants 7
3.2 Control unit variants 7
3.3 Sealing ring variants 7
4. Overview of EPS 708 8
4.1 Test bench 8
4.2 Covers 8
4.3 Overview of electronics
compartment 9
4.4 Overview of hydraulics chamber 10
4.5 Overview of electrical compartment, side 10
4.6 Overview of high-pressure rail 10
4.7 Overview of lubricating-oil supply unit 11
4.8 Overview of the water chillerG1 electrical
cabinet 12
5. Checklist for normal
operation 13
5.1 Safety relays K11 and K12 13
5.2 Power packs G3 and G4 14
5.3 LEDs on PCBs 15
5.4 LEDs on frequency converter (A13) 18
6. Repair 19
6.1 Replacing PCB (A3) 19
6.2 Replacing PCB (A6) 20
6.3 Replacing PCB (A14) 21
6.4 Replacing PCB (A4) 22
6.5 Replacing the quantity meter 23
6.6 Replacing the flow meter 24
6.7 Replacing the chiller 25
6.8 Replacing the water pump (M3-P) in the water
chiller 30
6.9 Replacing the fan (M2-EV1) on the water
chiller 33
6.10 Replacing the controller (A1) of the water
chiller 35
6.11 Replacing the safety pressure switch (HP1) of
the water chiller 37
6.12 Replacing pressure switch (PV1) for the fan in
the water chiller 39
6.13 Replacing the temperature sensor (B2) of the
water chiller 41
6.14 Changing the calibrating oil 42
6.15 Replacing the electric fuel pump 43
6.16 Replacing the float switch 44
6.17 Replacing the tank heater 45
6.18 Replacing the pneumatic springs 46
6.19 Replacing the protective hood 47
6.20 Replacing the flywheel 48
6.21 Replacing the drive motor 49
6.22 Replacing the pressure control valve block 51
6.23 Replacing a pressure control valve of the
pressure control valve block 52
6.24 Replacing the hose coupling on the pressure
control valve block 53
6.25 Replacing the connection fitting on the pressure
control valve block 53
6.26 Replacing the solenoid valve block 55
6.27 Replacing a solenoid of the solenoid valve
block 55
6.28 Replacing a directional control valve of the
solenoid valve block 56
6.29 Replacing the check valve on the solenoid valve
block 56
6.30 Replacing the hose coupling on the solenoid
valve block 57
6.31 Replacing the frequency converter A13 for the
lubricating-oil supply unit 58
6.32 Replacing the oil metering unit for the lubricating
oil supply 68
6.33 Replacing the high-pressure rail 70
6.34 Replacing the pressure limiter of the high-
pressure rail 71
6.35 Replacing the pressure sensor B9/B10 of the
high-pressure rail 71
6.36 Replacing the high-pressure connection CRI 846
of the high-pressure rail 71
6.37 Replacing the pressure control valve of the high-
pressure rail 72
6.38 Replacing pressure sensor B1 or B4 72
6.39 Replacing pressure sensor B48 or B49 74
6.40 Changing the workstation light assembly 75
6.41 Changing the light fixture of the workstation
light 76
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