Check Electrical Intake Air Heater - Komatsu D155A-6 Operation & Maintenance Manual

MAINTENANCE
SERVICE PROCEDURE

CHECK ELECTRICAL INTAKE AIR HEATER

Check before the cold season starts (once a year).
Remove the electric heater from the engine intake manifold and check for wire disconnections and dirt clinging to
it.
When checking and installing the electric heater, replace its gasket with a new one.
4 - 53