Fig. 61: Overview Of Tightening Torques; Table 44: Overview Of Tightening Torques; Table 45: Tightening Torque, Insulation - ABB A255-L35 Original Operation Manual

Operation Manual / 4 Product description / A200-L
8 Disassembly and assembly / 8.22 Table of tightening torques
Posi- Part num- A255-L
tion ber
22 57005
1)
61 51087
1)
62 72011
1)
63 72004
63a 72002
64 77015
65 56014
66 81125 G1/2"
67 86505 M18x1.5
Table 44: Overview of tightening torques
1) Tighten crosswise
2) Pre-tightening torque of the screws
Use hydraulic tool for tightening torques exceeding 500 Nm.
u
Tightening torque, insulation
Thread size
M8
M10
M12 (compressor casing insulation)
Table 45: Tightening torque, insulation
© Copyright 2020 ABB. All rights reserved.
A260-L
M8 M8
20 20
M16 M16
30 30
140 140
- - - -
M16 M16
265 265
M16 M16
60 60
M5 M5
6 6
M10 M10
35 35
G1/2"
45 45
M18x1.5
150 150
A265-L A270-L
M12 M12
50 50
M16 M18
2) 2)
30 40
140 200
M18 M20
370 500
M14 M16
130 200
M14 M16
40 60
M5 M6
6 10
M10 M10
35 35
G1/2" G1/2"
45 45
M18x1.5 M18x1.5
150 150
Tightening torque [Nm]
28
45
50
HZTL4036_EN
A275-L A280-L
M16 M20
80 160
M22 M24
2) 2)
50 80
380 480
M24 M27
900 1300
M18 M20
300 420
M18 M20
80 100
M8 M8
25 25
M10 M12
35 65
G1/2" G1/2"
45 45
M18x1.5 M27x2
150 320
Rev.R October 2020