TB 9-6115-643-13
36.
Double check all hose connections for leaks.
37.
With engine running, start heater. Check the indicator light (6), per the heater function codes plate (3) for heater
operation.
38.
Turn off the engine and allow heater to run until the coolant reaches temperature, at which time the heater will cycle to
low heat.
39.
Switch heater off.
NOTE
The water pump and combustion air blower will continue to run for
approximately 3 minutes.
40.
Locate identification plate below existing plates on left side of housing. Match and drill 3/16" holes in housing. Install
four rivets.
5-12
