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• Switch bush (8, 26, 137, 232)
If the bush shows any signs of defects (e.g. flaw in material), replace it by a new one.
• Torque
Tighten the screws (9, 148) and nuts (51, 58, 113, 213) by torque wrench to the torque levels of the table below:
screws and nuts
item no.
9
51
58
113, 213
148
• Lubricants
Lubricant
silicone grease
stock no. 00 027 079 (box)
stock no. 00 027 081 (tube)
fitting paste
stock no. 00 027 091
pressure gun grease
stock no. 00 027 058
720.20 S.06
SAV RMG 720
size DN
25
50
80
100
12
10
10
10
20
20
20
application (grease parts slightly)
all O-rings
diaphragm reinforcement (10, 140, 211)
valve stem guide range (40, 53, 59, 156, 207)
switch balls and bushes (14, 18, 52, 63, 106, 137, 208, 232)
setpoint adjusting screw (4, 102, 202)
screwed pipe connections (28, 37, 49, 143, 168, 172, 231, 236, 249)
fastening bolts and screws (9, 17, 45, 127, 148)
torque figues M in Nm
A
sub-unit for incorporation
into RMG 300, 330, 332
size DN
25
50
80
100
12
12
12
12
12
12
10
10
10
10
40
40
40
40
sub-unit for incorporation
into RMG 402, 408
inlet size DN
25
50
80
100
12
12
12
10
10
10
25
40
40
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