20
46-620 B73 & Series 75 Liquid Level Switche
s
1
8
11
4
10
9
6
3
2
5
6.3
Series 75 Tandem Float Units
6.3.1 Parts Identification
Item
Description
1
Housing cover
2
Housing base
3
Switch mechanism
4
Jam nuts
5
Upper attraction sleeve
6
Lower attraction sleeve
7
Spacer washer (not shown)
8
Retaining ring
9
E-tube gasket
10
Enclosing tube
11
Chamber assembly
Series Type
Bulletin#
Mercury
A, 3
42-683
Anti-vibration mercury
E, 2
42-683
Dry contact
B, C, D
42-683
Hermetically sealed
F
42-683
Hermetically sealed
HS, H1
42-694
Bleed type pneumatic
J
42-685
Non-bleed type pneumatic
K
42-486
High temperature dry contact
R
42-799
6.3.3 Switch and Housing Reference
Models B, C, G, J, L, & M
Models F, K, & N
Housing cover
See
Section 6.3.3, Switch and Housing Reference
Housing base
Switch mechanism
below for switch and housing bulletin furnished.
Attraction sleeve kit:
includes items 4, 5, 6, 7 & 8
089-3411-001 (Mat’l Code 1)
089-3413-001 (Mat’l Code 1)
089-3412-001 (Mat’l Code 2, 3, & 4)
089-3414-001 (Mat’l Code 2, 3, & 4)
E-tube gasket
012-1204-001
012-1204-001
Enclosing tube
Z32-6325-004 (Mat’l Code 1) /
Z32-6325-004 (Mat’l Code 1) /
Z32-6325-005 (Mat’l Code 2)
/
Z32-6325-005 (Mat’l Code 2)
/
Chamber assembly
Available as complete sensing units only with all parts listed under
items 4 through 10 assembled. When ordering, specify model and serial
number of control.
6.3.2 Series 75 Tandem Float Units