5-2 l Maintenance
Preventative MaintenanceChecklist
The HTC process air heater requires little maintenance. We recommend the fol-
lowing maintenance schedule and tasks.

• Whenever you change material or process

❒❒Change the HTC setpoint if it must be changed.

• Daily or weekly as needed

❒❒Inspect the inlet and outlet hoses.
Tighten the hose clamps if loose. Replace the hose if worn or damaged.
❒❒Inspect the filter (if equipped).
Clean or replace the filter as necessary.

• Monthly or as often as needed

❒❒Inspect the main power wires,heater wires and conduit, and RTD
probe wires for damage and wear.
Replace any damaged or worn wire or conduit.
❒❒Check for any damage to the control panel.
Replace if damaged.
❒❒Check for damage to the heater box.
Replace if damaged.
❒❒Clean dirt from exterior surfaces with a cloth dampened with water.