8/11/2019 Pre Commissioning Checks for ID Fan
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EECC - THANE
PRE-COMMISSIONING CHECKS FOR ID FAN
1. Check the foundation with regards to the general assembly
drawing.
2. Maintain the foundation as even as possible3. Mark the center
lines.
Description Remarks andMeasured alues
Static Parts1. !ositioning of the "nlet cone
2. #ightening of fi$ing bolts on the ducts
3. #ightening of the fi$ing of static parts.%. Check alignment
of base frame with precision level. #he
permissible deviation is &.&% mm' meter
(. Check the level) height and center of bearing pedastal.*.
Maintain the center a$is of the shaft and casing as per +,
drawing.
-. Check tightness of Motor foundation bolts.
Rotor Assembly1. nsure that inlet cone /s0 is placed along with
the rotor
2. ,dust the thermal e$pansion clearances in free bearing3.
Check the alignment of impeller shaft with precision
level. #he permissible deviation is &.&% mm 'meter
%. Check the bearing alignment /ref vendor manual0(. Check the
alignment of fan motor coupling.
*. Check the tightness of fi$ing bolts of impeller ' hubCoupli!
Ali!met
1. Check the height level variation of coupling levels.
2. Maintain the gap between coupling halves as perdimension
3. Check the level and alignment of motor with respect to
the fan shaft
%. Check the alignment of motor with respect to the
fancoupling.
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