2 | EPS 807 / 815 | Contents English Symbols used Repair works In the documentation Change Flywheel 1.1.1 Warning notices - Replacing the drive motor Structure and meaning Change Test oil heating 1.1.2 Symbols – Designation and 6.3.1 Change Float switch explanation 6.3.2...
Symbols used | EPS 807 / 815 | 3 Symbols used Important notes Installation and/or repair work may only be performed In the documentation by trained and instructed Service personnel at Robert 1.1.1 Warning notices - Structure and meaning Bosch GmbH or by organizations appointed to do such Warning notices warn of dangers to the user or people in work by Robert Bosch GmbH.
4 | EPS 807 / 815 | Symbols used Safety instructions 1.4.4 Pressures 1.4.1 Mains voltages and High voltages Damage under high pressure can cause Hazardous voltages occur in both the leak of oil. network and the electrical system. If con-...
Assembly and Disassembly | EPS 807 / 815 | 11 Economic transformer Multiway tap with purge valve Fig. 19: Multiway tap up to FD 05-2000 Fig. 18: Economic transformer Fig. 20: Multiway tap 1 687 010 126 from FD 06-2000...
16 | EPS 807 / 815 | Repair works Repair works Replacing the drive motor Change Flywheel Bosch does not operate the lifting and removal tool. Fig. 24: Lifting and removal tool for the flywheel 1 Eye bolt DIN 580-M12 2 Hexagon nut M12 3 Hexagon screw M10 x 35-8.8...
Repair works | EPS 807 / 815 | 17 Change Test oil heating 6. Unscrew the hexagon nut (Fig. 3, Pos. 7) (2x) to the end of the threaded bolt. 7. Remove the hexagon nut (Fig. 3, Pos. 6) (2x).
18 | EPS 807 / 815 | Repair works 6.3.1 Change Float switch 6.3.2 Change Temperature sensor Fig. 30: Temperature sensor with connecting cable When lifting the fastening panel (Fig. 28, Pos. 7) and demounting or mounting of the temperature sensor ensure that the temperature sensor is not damaged, Fig.
Repair works | EPS 807 / 815 | 19 Readjusting the shut-off valve Change Heating exchanger When mounting the shut-off valve ensure that the pressure lines are not mistaken for pressure testers (Danger of pressure testers destruction. See also section 2.4).
20 | EPS 807 / 815 | Repair works Replacing the rotary encoder B1 The following description only applies to the drive motor 1 687 220 905. 6.6.1 Preparatory work 1. Turn off the EPS 815 at the master switch. 2. Disconnect the EPS 815 from unit from the mains and secure to prevent renewed switch-on.
22 | EPS 807 / 815 | Repair works 4. Push the plug insert (Fig. 38, Pos. 3) into the plug 6.6.8 Mounting the flange with rotary encoder housing, with consideration for the plug coding. The 1. Carefully push the flange with the rotary encoder plug housing must click in audibly.
Repair works | EPS 807 / 815 | 23 6.6.11 Mounting the rotary encoder B31 The rotary encoder B31 is not contained as standard in the EPS 815 and is retrofitted in conjunction with the test sets VPM 844 and CAM 847. In it's as-deliv- ered condition, the EPS 815 has a cover in place of the rotary encoder B31.
24 | EPS 807 / 815 | Adjustment and Functional Test Adjustment and Functional Testing temperature sensors Test ¶ Resistance measurement on X2 (connection measur- ing system) with switched on EPS: Between Pin 16/17: tank temperature sensor Test the operating unit Between Pin 18/19: inlet temperature sensor "...
Adjustment and Functional Test | EPS 807 / 815 | 25 Testing speed monitoring A5 (DZE) 7.4.1 Printed circuit board 1 688 400 009 (up to FD 12-2000) If main switch Q1 is on the following LED’s must lit on...
26 | EPS 807 / 815 | Adjustment and Functional Test 7.4.2 Printed circuit board 1 688 400 251 (from FD 01-2001) If main switch Q1 is on the following LED’s must lit on A5 (DZE): V55 - 24V-Supply (control signal on converter) V68 - 5V- Supply (computer, logic, interface etc.)
28 | EPS 807 / 815 | Adjustment and Functional Test Sensor compensation on KU-Convert- 11. Change direction occassionally using the er (from FD 06-2002) <Shift> + <F1> (Drehen +) key or <Shift> + <F2> (Drehen -) until the following message appears on...