Step Description
Picture
3
Remove the plastic insert for dongle or the Hach
Communication Dongle.
4
To remove the screws (4x), use a TORX T10 torque screw
driver.
5
Open the instrument.
1.
Top housing including keypad
2.
Display
3.
Mainboard including optical unit
4.
Seal
5.
Bottom housing
6
To reassemble the instrument, follow the previous steps in
reverse order.
Note: Coat the seal groove with Krytox oil.
Note: Make sure that the seal is in the correct orientation.
Note: Make sure that the screws are tightened to 0.8 Nm.
Repairs
36
Содержание DR300
Страница 1: ...DOC222 53 90639 DR300 Service Manual 02 2019 Edition 2...
Страница 2: ......
Страница 4: ...Table of Contents 2...
Страница 6: ...Specifications 4...
Страница 15: ...Startup 13...
Страница 16: ...Startup 14...
Страница 26: ...Step Description Picture 10 Check if all segments are displayed and press SELECT button Inspection 24...
Страница 36: ...Inspection 34...
Страница 54: ...Repairs 52...
Страница 65: ...Figure 15 Set delivery state Troubleshooting 63...
Страница 66: ...Troubleshooting 64...
Страница 82: ...Certificate of Service Inspection 80...
Страница 84: ...Certificate of Service Inspection manually 82...
Страница 85: ......