Teikoku Electric Reverse Circulation Pump R42-216C4DM-0405S1-A

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.

Ensure all valves are fully closed

Disconnect power cables from the connection box

Drain pump according to end user specific procedures

Insert bracing under piping to support potential loads

Remove anchor bolting to slide pump out of piping

Inspect thrust face for scratches and chips

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

Check wear inside of bearing bore

Refer to Figure 4-3 (A-B) for wear details

Reassemble in the reverse manner of disassembly.

Rear Bearing Housing Installation

Install adjusting washer(s) into rear bearing housing.

Is the quantity and thickness of adjusting washers correct for proper rotor end play?

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

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

Visual Inspection of Rotor Assembly Shaft Sleeves and Thrust Surfaces

Inspect the general appearance of the shaft sleeves and thrust surfaces

Check for uniform wear at the bearing contact area

Detailed Inspection for Defects

Check for the following defects

Is replacement necessary due to excessive defects?