FIELD SERVICE INSTRUCTIONS
6300
PUMP ASSEMBLY
1.
Brake Removal
a)
After removing pump propeller, remove snap ring on front of shaft. A gear puller may be attached to any
two of the four propeller mounting holes in the flanges and by wrench-tightening a bolt against the end of
the shaft. the flange and drum will slip off the shaft.
b)
Removal of the brake retainer clip will allow you to slip off the brake shoes.
c)
The brake back plate can be removed with an Allen wrench by simply removing the three counter-sunk
screws.
2.
Impeller Removal
a)
Remove the six bolts holding the pump body and case together.
b)
Remove the LP4C6A bolt which secures the impeller to the shaft.
c)
Insert a 3/8-16 coarse threadbolt in the impeller. Tightening this bolt against the shaft will remove the
impeller from the shaft.
3.
Seal Removal
a)
With the impeller removed, the seal can be pried with two screw drivers from the pump body, taking
advantage of the two recesses cut in body for this purpose, Remove stationary seat from the impeller by
prying with a small blade screw driver.
4.
Installing New Seal
a)
Before installing new seal in body, apply sealant to back of seal that will make contact with pump body.
b)
Press seal into body, using large socket or tubing, being careful not to press on seal surface, Wipe off
excess sealant.
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