Removing Crankcase Filter; Engine Diagnostic Port And Ecm - Generac Mobile MFH900 Owner's Manual

2. Remove radiator cap.
3. Fill radiator slowly with coolant until it comes up to
the filler neck.
4. Operate engine approximately five minutes at a
low idle speed to bleed the air in the coolant circuit.
NOTE: Coolant level will drop.
5. Stop the engine and, once cooled, replenish with
coolant.

Removing Crankcase Filter

To remove crankcase filter, unscrew top and lift vertically.
NOTE: Removal may be difficult due to suction.
See engine manual for more information.
Engine Diagnostic Port and ECM (Engine
Control Module)
See engine manual.
Owner's Manual for Flameless Air Heater
Maintenance
27