Teikoku Electric Reverse Circulation Pump R42-119F4AM-0304R1-E

Ensure all valves are fully closed

Disconnect the 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

Visual Inspection of Shaft Sleeves and Thrust Surfaces

Inspect the general appearance of the shaft sleeves and thrust surfaces for uniform wear.

Check for excessive undercutting, pitting, or scoring.

Check the following points for issues

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

Clean inaccessible areas with a small brush or pointed tool

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 the following issues

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

Check dimension after bearing has been removed

Refer to Figure 4-3 (A-B) for wear inside of bearing bore