Walrus TQ200 User manual

Replacing TQ200 Mechanical Seal
1.Removingmechseal. WI-D3-S-B001E-1
Using Allen wrench (metric size) to remove the 6
screws.
Using wrench to remove the stud bolt.
Remove the 2nd stage impeller. Remove the intermediate chamber.
Remove the 1st stage impeller. Remove the cap and spring.
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Remove the rotary parts of mechanical seal. Remove ceramic parts from mech seal kit.
Remove the stationary part (rubber) of the
mechanical seal.
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2.Assembling mech seal.
Spray water on the shaft as lubrication. Place the stationary part in position and press in.
Assemble the rotary parts. To load washer sequentially & protective cap
Identify impellers – shorter shaft is the 1st stage while
longer one is 2nd stage.
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Assemble the 1st stage impeller. Assemble intermediate chamber.
Assemble the 2nd stage impeller. Tighten up the stud bolt.
Install O-ring onto pressure tank.
(make sure it is clean)
Install the pressure tank.
(arrow on top position)
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Identify different sizes of stud bolts. Install shorter stud bolts on the red circled places.
Tighten up the stud bolts.
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