Taco Pump KS 1507

Ensure the pump is turned off and isolated from the power supply

Gather necessary tools and materials, including silicone grease

Seal Cover and Shaft Coupling Removal

Apply silicone grease on the OD of the shaft in the area between the seal and the end of the shaft

Draw off the seal rotating element from the shaft

Ensure all parts to be replaced are free from burrs and damage

Insert stationary element of seal into seal cover

Ensure seal cover O-ring is properly seated in groove

Install retaining ring in seal cover to retain stationary seal

Place the seal cover back onto the pump cover and bolt in place

Shaft Preparation and Seal Installation

Assemble impeller key and impeller on shaft

Select bolt size for tightening

Does the impeller rotate freely by hand?

Apply gasket adhesive to gasket surface or cover

Place a new casing gasket against gasket surface and press against adhesive

Assemble cover, impeller shaft and impeller assembly into pump casing as one assembly

Is the gasket seated correctly?

Install motor adapter and motor as one assembly onto cover/casing assembly

Record motor bearing temperature

Is the motor bearing temperature within the normal range?

Is the suction gauge reading normal?

Is the discharge gauge reading normal?

If gauge readings are abnormal, describe the issue

Ensure all parts are free from burrs and damage

Insert stationary element of seal into seal cover

Avoid touching seal surfaces to prevent leakage

Ensure seal faces are not contaminated with fingerprints

Lubricate pump shaft end with silicone grease

Avoid using petroleum oil or grease for lubrication

Place spring retainer and spring against retaining ring