Teikoku Electric Reverse Circulation Pump R42-529C4DM-1313W1-B

Disconnect the power cables from the connection box prior to disassembly

Drain pump per end user specific procedures

Remove discharge, suction and reverse circulation flange bolting

Visual Inspection of Rotor Assembly Shaft Sleeves and Thrust Surfaces

Inspect for general appearance and uniform wear

Is there excessive undercutting, pitting, or scoring?

Check for contact marks and wear

Preparation and Initial Assembly

Reassemble in the reverse manner of disassembly.

Rear Bearing Housing Installation

Install adjusting washer(s) into rear bearing housing.

Ensure proper rotor end play with adjusting washers.

Insert bearing with flat washer into front and rear bearing housings.

Position flat washer side of bearing in line with set screw hole.

Inspect thrust face for scratches and chips

Refer to Figure 4-3 (L) for excess wear on thrust surface

Check dimension after bearing has been removed

Inspect wear inside of bearing bore

Inspect the threads on both ends of the rotor shaft for damage

Thread type verification for Teikoku Type-R (Plan 13-SE)

Mating Faces and Gasket Material

Check mating faces for nicks and burrs

Clean off any trace of old gasket material

Use a small brush or pointed tool for inaccessible areas