Connect gauges and start the engine
Check operator panel, display,
light, switches (including
evaporator door switch,
undermount safety switch)
OO O O
Check all sensors, transducers
consistency between each others
OO
Check glow plug operation,
connections, secure the wire
OO O O
Perform pull down test O O O O
Check on sight glass refrigerant
flow and cleanliness
OO O O
Check coolant system
temperature, thermostat, leaks
OO O O
Initiate manual defrost and confirm
termination; check defrost drain
pipes and water evacuation
OO O O
Check the engine high / low speed
and adjust if required
OO
In heat mode, check hot gas
functionality. Check heater bars.
OO
Check battery state of charge O O O
Check alternator charge output O O
Maintenance Schedule (Continued)
Initial Check
Up
Service
A
Service
B
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