Owner's manual
Table Of Contents
- Content
- Overview
- Operation with the keyboard
- Error messages, troubleshooting
- Diagnosis
- General
- Summary
- Prepare instruments for diagnostic tests
- Diagnosis of cylinder code
- Diagnosis of key board
- Diagnosis of display
- Diagnosis analog output
- Diagnosis of digital timer
- Diagnosis of analog timer
- Diagnosis of external inputs, outputs
- RAM-test
- Diagnosis of spindle zero and cock changeover
- Diagnosis of spindle drive
- RAM-initialisation
- Releasing a locked spindle
- Operation via RS232 Interface
- Appendix
- Index
3.4 Releasing a locked spindle
765 Dosimat
31
3.4 Releasing a locked spindle
with inserted Exchange Unit
The burette drive may very occasionally jam at the top or bottom end of the cylinder. If
jamming occurs at the top or when the drive is out of function, the Exchange Unit can no
longer removed. In this case, it is necessary to proceed as follows:
2 screws (M3 fillister head)
knob
edge of bench
2 screws (M4 countersunk)
Fig. 4
1.
Disconnect instrument from power supply!
2.
Remove control knob.
3.
Place instrument over edge of bench to allow the M3 screws to be removed.
4.
Remove M4 screws.
5.
Lift off top part of instrument together with Exchange Unit in the manner shown by
the arrow.
The electronic circuits are now accessible!
On no account touch these!
6.
Remove spindle from mechanical stop by turning the large gear wheel. (In case
that the motor is inoperative, position spindle by hand to zero position.)