Air Handler Shaft Repair with Belzona 1111

KHIA ID: 9841
Industry: Heating, Ventilation & Air Conditioning (HVAC)
Application: MPT-Mechanical Power Transmission (MPT)
Substrate: Carbon steel
Customer Location: Columbus, OH USA
Application Date: September 2021
Products: Belzona 1111 (Super Metal),Belzona 9111 (Cleaner Degreaser)

Problem: Due to corrosion the shaft was out of balance creating vibration to the air handling unit.

Close up of the pitting corrosion

Belzona 1111 applied to the shaft

Former put in place

Finished job

Application Situation
Air Handler shafts can be repaired on site by any mechanical contractor saving downtime to the end user.
Application Method
This shaft was cross-hatch ground then thoroughly degreased using Belzona 9111. Then Belzona 1111 was applied according to the Instructions For Use. A former was used and product allowed to cure. Upon removal of the former the Belzona was sanded smooth and mic'd for clearances.
Belzona Facts
This saved the technician time by not having to go purchase a replacement shaft and allowed the schools HVAC system to be returned to service sooner.