Repair manual

PS2 500, PSA2 500 Repair
Repair.fm 79
6.3.3.4 Impeller Reassembly
Note: If, upon inspection and testing, a pump component requires
replacement, use only original manufacturer’s replacement
parts.
1. Turn pump on its side.
2. Pre-assemble dust seal (ao) and sleeve (ap). Slide the two pieces
(ao & ap) onto the rotor shaft.
IMPORTANT: DO NOT apply oil to the surface where the dust seal
(ao) contacts the sleeve (ap).
3. Replace wear ring (an).
— The side with the protrusions around the edge faces the volute
(af).
4. Replace dust seal and sleeve (ao & ap) as one piece.
5. Align impeller keyway with rotor shaft keyway and push impeller
(aq) onto rotor shaft. Secure with washer (ac), lockwasher (ad) and
acorn nut (ae).
6. While keeping the impeller and rotor shaft from rotating, tighten
acorn nut (ae).
7. Position volute (af) flush with oil housing (ak).
8. Assemble suction plate (ag), suction cover (ah) and strainer (ai)
and secure with three bolts (aj).
9. Pre-test pump to verify proper operation.
10.Performance test pump. Test results should be:
Maximum head > 10.3m (34ft)
Maximum volume > 200.6 ltr/min (45.2gpm)