marposs E9 - Zero-setting with screw guides or pawls

3
.
Zero-setting of measuring head
E9
E9E9
E9
21
3.1.3 Zero-setting with screw guides or pawls
a) Bring the head to measuring position.
b) Loosen screws 2 and 3
c) Bring selector switch 12 (Figure 1), if present, to position 1.
d) Act on screw 1 so as to cause the meter to read zero, then tighten screw 2.
e) Put selector switch 12 (Figure 1), if present, in position 2.
f) Act on screw 4 so as to cause the meter to read zero, then tighten screw 3.
g) Put selector switch 12 (Figure 1) in position
∑
∑∑
∑
.
h) If necessary, act on zero-setting potentiometer 13 (Figure 1) so as to cause the
meter to read zero.
Note
In applications with measuring head with only one contact, carry out the operations
relevant to contact T1.
A) With pawls
B) With adjustable guides with screw
Figure 5 . Zero-setting with screw guides or pawls