Specifications Information and Repair Parts Manual
3100-96, 3102-D6, 3103-96, 3104-96
3100-253-00
2
05/2012
3-Inch Premium Trash Pumps
that hold casing to adapter.
9.
After assembly, remove wire from spark plug, turn engine
shaft by hand slowly, using recoil starter, to check for
striking of impeller on casing. If striking or rubbing occurs,
adjust impeller shims as required and reconnect spark plug
wire.
10.
A short "run-in" period may be necessary to provide a tight
seal joint.
IMPORTANT:
Never run seal dry for any length of time.
SHIM (REF. NO. 38) ADJUSTMENT
When installing a replacement impeller, it may be necessary to vary
the number of shims that will be required. This is easily done by
adding one shim more than was removed and reassembling pump as
described.
2.
Remove shaft sleeve (Ref. No. 37) with seal head assembly
and spring on it. Remove seal head assembly and spring
from sleeve.
3.
Remove seal seat using two screwdrivers or other suitable
tools.
REPLACING SEAL (REF. NO. 36)
1.
Thoroughly clean shaft surface and all surfaces of seal seat
cavity.
2.
Wet rubber portion of new seal with a light coating of soapy
water. Press seal seat squarely into adapter (Ref. No. 35)
recess. Avoid scratching polished surface.
NOTE:
When handling all seal parts; be careful to keep them clean. Do
not touch seal faces with your hands. Do not put lubricants on seal face.
This would cause a leak.
3.
Inspect polished face of seal seat and seal head to ensure
they are clean and not marred.
4.
Using a clean cloth, wipe shaft sleeve (Ref. No. 37) and make
certain that it is perfectly clean.
5.
Wet the inside rubber portion of new seal head with a light
coating of soapy water.
6.
Put seal head assembly on shaft sleeve and slide assembly
onto shaft. If it is not possible to slide assembly into place
with your fingers, use a sleeve of proper diameter so that
pressure is applied to rear of drive ring. Ease shaft sleeve
and seal head assembly into place. DO NOT drive it with a
hammer.
IMPORTANT:
Before installing new shaft sleeve, apply a bead of non-
hardening, pliable sealant (such as Permatex
®
Form-A-Gasket
®
No. 2)
to motor shaft shoulder.
7.
Replace shims (Ref. No. 38) and impeller (Ref. No. 23).
8.
Replace casing (Ref. No. 21) and six fasteners (Ref. No. 9)