720.20 S.06
• 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:
• Lubricants
screws and nuts
item no.
9
51
58
113, 213
148
torque figues M in Nm
SAV RMG 720
size DN
25 50 80 100
sub-unit for incorporation
into RMG 300, 330, 332
size DN
25 50 80 100
sub-unit for incorporation
into RMG 402, 408
inlet size DN
25 50 80 100
12
10
20
10
20
10
20
12
12
12
10
40
12
12
12
10
40
10
40
10
40
12
12
12
10
25
10
40
10
40
A
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
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)
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