Commissioning and Maintenance CAIRplus
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
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