Hokuetsu AIRMAN PDS185S-6EZ1 Instruction Manual page 28

Engine compressor
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Do not operate the machine with service valves and relief valve open unless air hoses and/or pipes are
connected. High-pressurized air blows out and its air pressure could cause injury to the people nearby.
When the machine has to be unavoidably temporarily operated with its port open, be sure to mount a
silencer to reduce noise and wear protective materials such as earplugs to prevent damage to hearing.
Be sure to let unit warm-up after starting for smooth operation of the engine and the compressor.
Do not carry out on-load operations immediately after turning the machine on, as this could result in a
shorter machine life.
3.4.2 Operating procedures when engine fails to start up on first attempt
If the engine did not start even when you performed Steps 1 through 4 of Section 3.4.1, return the
CONTROL POWER switch [B] to the
engine-starting operation again. If the repeated procedure does not allow the engine to run, the
following causes are suspected. Therefore, check the following:
No fuel
Lack of air bleeding in fuel line.
Fuel filter clogging.
Battery discharge (Low cranking speed)
3.4.3 Operation in cold weather
Use engine oil of a viscosity that meets the ambient temperature according to 3.2.1.
Use LLC (antifreeze). Use correct amount to provide freeze protection, according to the ambient
temperature according to 3.2.3.
Battery should always be kept fully charged.
When operating the unit in a low temperature, change engine oil, compressor oil, LLC (antifreeze) and
diesel fuel according to the ambient temperature.
3. Operation
position and wait 1 minutes or more. Then, perform the
(See 3.4.6)
3-12

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