Flowserve DMX User Manual
Page 21
DMX/DMXD/DMXH/DMXDH USER INSTRUCTIONS ENGLISH 85392728 - 10/09
Page 21 of 60
operation may require the full coupling misalignment
capability.
4.4.1.1
Types of misalignment
There are two types of shaft misalignment: Angular
and offset. Both types of misalignment can occur in
horizontal and vertical planes and are present in most
applications.
In angular misalignment, the centerline of the shafts
intersects, but is not on the same axis.
Angular misalignment
In offset misalignment, the shaft centerlines are
parallel but do not intersect.
Offset misalignment
Combined misalignment
4.4.1.2
Alignment methods
The following methods may be used to align
equipment train. The methods a) and b) are dial
indicator based.
a) Rim and face alignment
Rim and face alignment
b) Reverse rim indicator alignment
Reverse rim indicator alignment
c) Laser alignment.
4.4.2
Dial-indicator-based alignment
4.4.2.1
Check soft foot
Soft foot can affect the alignment readings and
should be checked first and eliminated on both pump
and driver.
a) Tighten hold down bolts.
b) Set a dial indicator on one foot, loosen the bolt
and check if there is a indicator reading. If so
place a shim with the same thickness as the
displacement.
c) Check and adjust all feet.
PUMP SIDE
DRIVER SIDE
PUMP SIDE
DRIVER SIDE