Oerlikon Barmag GM, Manual, Page: 25 / 56

Translation of the original assembly instructions
GM / SV / ZP / GP 03.21 17
8. Tables
8.1 Technical data sheet of the pump
The pump data sheet is supplied together with the assembly instructions.
8.2 Tightening torques for stuffing box seals
•
Procedure for metering pumps of the GM series
ab
Attention!
Tighten spigot nuts or screws first with 1.5 times the value specified in the table. Afterwards, loosen them and re-tighten them
with the corresponding specifications.
Tightening torques for metering pumps of the GM series
Delivery volume
[cm
3
/rotation]
0,05 0,1 0,3 0,6 1,2 3,0 6,0 12 20 50 100 150 200
Tightening torque
[Nm]
rectangular type
4 4 4 8 8 8 9 9 9
Tightening torque
[Nm]
round type
4 4 4 6 6 6 6 6 6 16 16 32 32
•
Procedure for paint metering pumps of the GP series
with spring-preloaded stuffing box seal
Tighten the spigot nut up to the block so that the packing rings are compressed.
Afterwards, reduce the tightening torque by means of half a turn of the spigot nut in counterclockwise direction.
•
Procedure for all other metering pumps
Tightening torques for other metering pumps
Thread of spigot nut / block holder - neck** Screws
W22 W25 W28 W32 M22 M32 M33 M36 M45 M5
Tightening torques
[
Nm
]
Outer diameter of drive shaft / Inner diameter of stuffing box room (mm)
10 / 15 5 6 5
10 / 17 8
10 / 20 14
12 / 17 7 7 1,5*
12 / 20 13 15 15 2,5*
15 / 23 18 18 18
16 / 24 19 19
18 / 30 43
20 / 32 49
* per screw
** W = Whitworth thread
M = metric thread
The number corresponds to the rated diameter in mm