Hokuetsu AIRMAN PDS185S-6EZ1 Instruction Manual page 28


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)
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