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P/N: 307271
SECTION 3 OPERATION
3.1 START UP PREPARATION
1. Check engine and compressor oil levels. Do not overfill.
2. Check coolant level in radiator (Fill at coolant recovery bottle).
3. Check for fuel, oil and coolant leaks.
4. Check air cleaner, clamps and hoses.
5. Check battery connections.
6. Check and adjust tension of fan belts.
NOTE: This unit has minimum air pressure valve to assure compressor oil flow. There will be no airflow
from the compressor if receiver pressure is less that 80 PSIG.
3.2 STARTING PROCEDURE
1. Close service valves and move unloader valve to “START” position
2. Press and hold bypass button and turn starter switch to “START” position. If engine fails to start.
DO NOT attempt to restart until cranking motor stops rotating. Before restarting, starter switch
must be returned to “OFF” position
3. When engine starts, release starter switch and hold bypass button down until oil pressure reaches
15PSI then release. Maintain unloader valve at “START” position until engine is warm and
operating smoothly, then move unloader valve to “RUN” position.
3.3 EMERGENCY SHUTDOWN PROCEDURE
Turn start stop switch to “OFF” position
3.4 ROUTINE SHUTDOWN PROCEDURE
1. Move unloader to start position
2. Allow compressor to run 2 to 3 minutes to cool.
3. Move on/off switch to “OFF” position