IOM manual Active pulsation dampeners
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2.
MAINTENANCE
!
Fig. 2.4.9.
Check the inner seals [36] and O-rings [47]. If necessary, take them
out using a screwdriver.
Note!
If these parts are removed, they must be replaced with new
ones. If the dampener sealing is worn, also check the shaft for wear
and if necessary replace it.
Fig. 2.5.1.
Using a screwdriver, insert the O-rings [47] into the dampener block
[12].
Fig. 2.5.2.
Using a pair of pliers, insert the seals [36] into the dampener block
[12]. To make the procedure easier bend the seals into a kidney
shape and then fit them with a screwdriver.
Fig. 2.5.3.
Push the shaft [1651] into the dampener block [12].
Check all components and clean or repair if necessary. Clean the diaphragm from grease. If the diaphragm
does not need to be replaced, apply grease.
2.5.
Assembling the dampener
The numbers put in brackets, refer to the part numbers in the spare parts drawing and spare parts
list in chapter 3.
It is of utmost importance to follow the assembly procedure. If one fails to comply with this proce-
dure, injury or life hazard may occur when operating the dampener.
Assembly procedure