Metrohm 746 VA Trace Analyzer User Manual
Page 35
3 Installation
746 VA Trace Analyzer / 747 VA Stand
3-8
4 Install stirrer or RDE
in operation with MME:
•
Screw stirrer tip 63
63 to drive shaft 45
45 (see also section 3.8).
•
Insert stirrer in opening 81
81 as far as it will go.
•
Stretch drive belt 49
49 (6.1244.020) between drive wheel 52
52 and drive shaft
45
45 of the stirrer.
in operation with RDE (option):
•
Screw electrode tip 120
120 (6.1204.XXX) to drive shaft 121
121 (6.1246.000)
(see also section 3.5).
•
Insert RDE in opening 81
81 as far as it will go.
•
Stretch drive belt 49
49 (6.1244.020) between drive wheel 52
52 and drive shaft
121
121 of the RDE.
•
Attach electrode cable 37
37 (WE) to the RDE: push cable lug under the
screw and then tighten screw firmly.
5 Install reference electrode
•
Insert reference electrode 43
43 in opening 79
79.
•
Attach electrode cable 48
48 (RE) to reference electrode 43
43: push cable lug
under the screw and then tighten screw firmly.
•
Turn reference electrode 43
43 so that the electrode cable 48
48 points to the
rear and not to the side (in the latter position it may become kinked and
damaged when cover 24
24 is closed).
6 Install auxiliary electrode
•
Insert auxiliary electrode 60
60 (6.0343.000 Pt auxiliary electrode or GC
auxiliary electrode, see section 3.7) in opening 72
72.
•
Attach electrode cable 58
58 (AE) to auxiliary electrode 60
60: push cable lug
under the screw and then tighten screw firmly.
•
Turn auxiliary electrode 60
60 so that the electrode cable 58
58 points to the
rear and not to the side (in the latter position it may become kinked and
damaged when cover 24
24 is closed).
85
85
80
80
79
79
78
78
83
83
82
82
72
72
73
73
74
74
75
75
76
76
86
86
81
81
77
77
84
84
41
41
40
40
87
87 88
88
Fig. 9: Measuring head arm