2005
To Refit
Refitting is a reversal of the removal instructions. It is recommended that new O
rings are fitted to impeller end face and shaft and a new pair of lockwashers are
fitted before refitting the impeller nut which should be tightened to 400Nm (295 lbs ft)
torque. To refit front cover plate, a new O ring should be fitted to the cover plate
spigot before assembly.
Rear Wear Ring
The rear wear ring (accessible removal of the low pressure impeller) is retained by 4
off M8 socket head screws. After removal of these screws, the rear wear ring may
be jacked out by means of two screws inserted into the adjacent tappings.
Fig 3-2 Checking the wearing diameters of wear ring
2010/3010 X 4010 X
Y Y
Pump Type Dia X Dia Y
WT2010 and
WT 3010
133.9mm 69.5mm
WT4010
169.5mm 69.5mm
WT6010 186.8mm 69.5mm
To Refit
Clean all surfaces before re-assembly. Apply Loctite 242 to screw threads before
refitting and tightening.
©Hale Products Europe LTD, Warwick
GP/146/99
WTmaint - Issue9. 10-2005October 2005
13
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