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Slide the impeller onto the shaft, being careful not to roll the lips of the
mechanical seal backwards.
Install the impeller washer and 7/16-20 x 1.00 lg. SST HHCS with a small drop of
Loctite 242/243 (Blue) thread locker to hold the impeller in place. Ensure that the
spark plug is removed from the engine and a clean rope is in its place. This will
allow you to effectively tighten the impeller fastener without the engine shaft
rotating.
Using the rubber gasket to seal the flange (see photo below), install the suction
head on the pump casing with six 3/8-16 x 0.75 lg HHCS with a small drop of
Loctite 242/243 (Blue) thread locker on each.
Remove the rope from the spark plug bore and pull the recoil rope two or three
times to align the pump assembly and engine (see photo below).
Prepared by: RJG
Approved by: TED
Revised by: TED
Rev. A
Date: 03/04/10
Rev. Date: 30June2015
1200627.doc
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