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LH4110W Disassembly
Before disassembly, drain the oil from the pump.
(1) Remove the strainer stand.
Remove the hex. bolts at the bottom of pump, then remove the strainer stand from the pump.
(2) Remove the lower pump casing.
Remove the hex. nuts and spring washers, then remove the 1st lower pump casing from the pump.
(3) Remove the impeller.
Remove the hex. double nuts and plain washers, then remove impeller, impeller adjusting washer, and
the lower shaft sleeve from the shaft.
(4) Remove the middle pump casing.
Remove the hex. nuts and spring washers, then remove the middle pump casing from the pump.
(5) Remove the impeller.
Now remove the impeller, impeller adjusting washer, and the middle shaft sleeve from the shaft.
(6) Remove the upper pump casing.
Remove the hex. nuts and spring washers, then remove the upper pump casing from the pump and lift
the upper shaft sleeve from the shaft.
(7) When absolutely necessary, the mechanical seal can be removed by first removing the oil casing.
See also the manual that comes with the replacement mechanical seal.
A worn impeller can have sharp edges; be careful to avoid injury.
Note:
Note:
CAUTION
Apply liquid gasket (Three Bond TB1207B or equivalent) on the lower pump casing when assembling the
pump. The place to be applied is the top part of the casing (It is f lled with black in the drawing below).
Note:
The place to be applied is the top part of the casing. It is the part filled with black in the drawing.
LH8110
LH6110
