MN-29805 • Rev 10 • 06/17 • Combitherm CT Express Installation Manual
39
Cleaning and Preventative Maintenance
12-Month Inspection Checklist
G
Inspect - The heat exchanger for any signs of major deformation. If yes,
immediately
remove from service and take corrective
action steps.
G
Inspect - The heat exchanger for any loose/disconnected pipes or flanges. If yes,
immediately
remove from service and take
corrective action steps.
G
Inspect & Ensure - Exhaust pipes are exiting the oven cavity
G
Inspect - Heat exchanger flange gasket (replace as needed)
G
Inspect & Tighten - Heat exchanger flange bolts
G
Inspect & Tighten - Heat exchanger burner flange hardware & gasket (replace as needed)
G
Inspect & Tighten - Heat exchanger igniter flange hardware & gasket (replace as needed)
G
Inspect - Heat exchanger exhaust pipes (ensure they are exiting out past the oven cavity ceiling flange) - ESG models only
G
Inspect - Oven cavity ceiling flange & flange gasket - ESG models only
G
Tighten - Burner flange bolts
G
Tighten - Igniter flange bolts
Inspect - Heat exchanger weep holes to ensure they are free of obstructions (if the hole is obstructed, immediately remove oven
from service and replace the heat exchanger) - Not applicable to CTP/CTC models
E
Inspect - Convection elements for signs of cracking, deformation, or damage
Replace - Oven lamp cover(s) & gasket(s)
Descale the oven interior
Inspect - Door gasket (replace as needed)
Wipe down the inner door glass
Inspect - Front drip tray (clean as needed)
Inspect - Front drip tray hose
Inspect - Control overlay
Inspect & Tighten - All electrical connections
Inspect & Tighten - All cooling fans for proper operation
EB
Electric boiler units only
E
G
Gas units only
Electric units only
Unit Information
Business Name: _______________________________________
Model Number: _______________________________________
Serial Number: ______________________________
12-Month Inspection Start Date: ______________________________
CT Express™ Checklist - 12 Month