Commissioning and Maintenance
CAIR
plus
66
PR-2009-0096-GB • Subject to modifications • R8-10/2015
•
Consider the maximum tightening torque of hexagon-socket screws during the
installation:
•
Check electric motors for dirt, damage, corrosion and secure mounting.
•
Inspect motor and fan for bearing noise, replace bearing if necessary.
•
Lubricate non-sealed fan bearing according to the motor manufacturer’s
recommendations (refer to Tab. 8-2)! Please refer to the manufacturer’s
documentation for correct lubrication details of non-sealed bearings.
Bush No.
1008
1108
1210
1610
1615
2012
2517
3020
3030
3525
3535
Max. tightening torque (Nm)
5.6
5.6
20
20
20
32
50
90
90
115
115
Tab. 8-1:
Maximum tightening torque
Fan
Manufacturer
Comefri
Gebhardt
Fläkt Woods
TLZ THLZ
VTZ
TLZ-T THLZ-T
VTZ-T
NTHZ-B NTHZ-
R
NTHZ T1 NTHZ
T2 NTHZ T2L
VZR71 RZR11 RZR15 RZR19
RZR13
GXLB GXLF
GXHB
160
180
200
N
250
N
280
N
315
N
N
355
N
N
400
N
N
N
450
N
N
N
500
N
N
N
560
N
N
N
N
630
N
N
N
N
710
N
N
N
N
800
N
N
N
N
N
N
N
900
N
N
N
N
N
N
N
1000
N
N
N
N
N
N
N
1120
N
N
N
N
N
1250
N
N
N
N
N
N = Lubrication possible
Tab. 8-2:
Lubrication details for non-sealed fan bearings