Operating Instructions
59
After Start Inspection
After the unit is running, check the following items to confirm
that the unit is running properly.
Oil Pressure: Check the engine oil pressure by pressing the
G
AUGES soft key. See “Viewing Gauge Readings” on page 73.
The Engine Oil Pressure Display should indicate OK not LOW.
Ammeter: Check the ammeter reading by pressing the
G
AUGES soft key. See “Viewing Gauge Readings” on page 73.
The Amps Display should indicate a positive charge amperage
rate to the battery. A negative (-) number indicates a discharge
condition.
Compressor Oil: The compressor oil level should be visible
in the compressor sight glass after 15 minutes of operation. If
not, check the compressor oil level using the procedure in the
appropriate maintenance manual.
Pre-Cooling: Make sure that the setpoint is at the desired
temperature. See “Changing the Setpoint” on page 65. Allow
the unit to run for a minimum of 30 minutes (longer if possible)
before loading the trailer.
This provides a good test of the refrigeration system while
removing residual heat and the moisture from the trailer
interior to prepare it for a refrigerated load.
Defrost: When the unit has finished pre-cooling the trailer
interior, manually initiate a Defrost cycle. See “Initiating a
Manual Defrost Cycle” on page 71. This will remove the frost
that builds up while running the unit to pre-cool the trailer.
Operating Instructions
59
After Start Inspection
After the unit is running, check the following items to confirm
that the unit is running properly.
Oil Pressure: Check the engine oil pressure by pressing the
G
AUGES soft key. See “Viewing Gauge Readings” on page 73.
The Engine Oil Pressure Display should indicate OK not LOW.
Ammeter: Check the ammeter reading by pressing the
G
AUGES soft key. See “Viewing Gauge Readings” on page 73.
The Amps Display should indicate a positive charge amperage
rate to the battery. A negative (-) number indicates a discharge
condition.
Compressor Oil: The compressor oil level should be visible
in the compressor sight glass after 15 minutes of operation. If
not, check the compressor oil level using the procedure in the
appropriate maintenance manual.
Pre-Cooling: Make sure that the setpoint is at the desired
temperature. See “Changing the Setpoint” on page 65. Allow
the unit to run for a minimum of 30 minutes (longer if possible)
before loading the trailer.
This provides a good test of the refrigeration system while
removing residual heat and the moisture from the trailer
interior to prepare it for a refrigerated load.
Defrost: When the unit has finished pre-cooling the trailer
interior, manually initiate a Defrost cycle. See “Initiating a
Manual Defrost Cycle” on page 71. This will remove the frost
that builds up while running the unit to pre-cool the trailer.
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