Repair manual

PS2 500, PSA2 500 Repair

Repair.fm 73

16.Remove wear ring (an) if damaged or worn.

17.Remove dust seal and sleeve as one piece (ao & ap).

18.Remove white plastic washer from recess in motor frame (l).

19.Remove three bolts (al), oil housing (ak) and o-ring (as).

20.Remove mechanical seal (am).

21.Remove rotor (av). A puller tool may be required.

Note: Take note of the correct sequence of assembly and how the

individual parts are oriented.

6.3.2.2 Motor Inspection

1. Visually inspect rotor (av) for corrosion, wear or damaged threads.

2. Measure rotor (av) for deflection using a dial gauge. Record

measurements with rotor supported by upper and lower bearings.

—Deflection at the center of the rotor should not exceed 0.10mm

(0.0039in).

—Deflection at the pump end of the shaft should not exceed

0.08mm (0.0031in).

3. Measure shaft diameter of rotor (av).

—Shaft diameter wear should not exceed 0.10mm (0.0039in).

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