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7 Servicing/Maintenance
88 of 124
Amarex KRT
DANGER
Screw plug leaking or missing
Damage to the motor!
▷
Never start up a pump set without screw plug 903.31.
▷
Apply a thread-locking agent (Loctite 243) to screw plug 903.31.
6. Apply a thread-locking agent to screw plug 903.31.
7. Re-insert and tighten screw plug 903.31 with new joint ring 411.31.
7.5.5 Checking the connection of motor/power supply
Check the power cables after reassembly. (
ð
Section 7.2.1, Page 56)
7.6 Tightening torques
Table 51:
Tightening torques
Property class
Rp 0.2 N/mm²
A4-50
A4-70
1.4462
8.8
210
250
450
450
640
Thread
[lbf ft]
[Nm]
[lbf ft]
[Nm]
[lbf ft]
[Nm]
[lbf ft]
[Nm]
[lbf ft]
[Nm]
M8
-
-
-
-
12,5
17
12,5
17
25
M10
-
-
-
-
26
35
26
35
37
50
M12
-
-
-
-
44
60
44
60
63
85
M14
-
-
-
-
66
90
66
90
96
130
M16
-
-
-
-
110
150
110
150
155
210
M20
-
-
-
-
215
290
215
290
302
410
M24
170
230
278
-
-
500
515
700
M30
340
460
-
-
-
-
1000
1035
1400
M42
960
1300
-
-
-
-
2750
2875
3900
M48
1440
1950
-
-
-
-
4200
4425
6000
7.7 Spare parts stock
7.7.1 Ordering spare parts
Always quote the following data when ordering replacement parts or spare parts:
▪
Order number
▪
Order item number
▪
Type series
▪
Size
▪
Year of construction
▪
Motor number
Refer to the name plate for all data.
Also supply the following data:
▪
Part No. and description (
ð
Section 9.1, Page 92)
▪
Quantity of spare parts
▪
Shipping address
▪
Mode of dispatch (freight, mail, express freight, air freight)
18)
For two years of continuous operation or 17,800 operating hours
Содержание KRT series
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