Operation – MMD Equipment 400S-6B1 User Manual

Page 28

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4. Operation

4-9

4.4.2 Operating Procedures when Engine Fails to Start up on First Attempt

When the engine fails to start up even after performing the start up procedures ① to ⑤

,

do

not keep the starter running, but set the starter switch back to ”STOP” and wait about 30
seconds. Then, repeat the startup procedure once again.

If the repeated procedure does not allow the engine to run, the following causes are suspected.

Therefore, check the following:

No fuel

Clogging of fuel filter

Clogging of filter inside the fuel air bleeding electromagnetic pump

Discharge of battery (Low cranking speed)

4.4.3 Fuel Line Air Bleeding Device

When draining condensate in water sedimenter and replacing fuel filter, the electromagnetic
pump provided as an accessory performs air bleeding operation automatically.
(Procedure)

Check and make sure that fuel is fully provided.

Turning the key of starter switch to “RUN” position, the electromagnetic pump starts to
bleed air in the fuel piping system automatically.

Air bleeding will be completed about 20 to 30 seconds.

Start the machine following the starting procedures mentioned in 4.4.1. If starting fails one
time, repeat the abovementioned procedures.

4.4.4 How to Start the Unit at Low Temperature

When it is difficult to start engine in cold weather, take
the following measures.
(Procedure)

Close all the service valves and set the starting unloader
valve to“START” position.

Fully open the relief valve“1”in the upper part of a
separator receiver tank.

With emergency stop button pressed in, turn the starter
switch to“START”position and perform cranking about
5 seconds two times.

Perform usual starting operation. When the engine starts, gradually close a relief valve“1”,
watching engine revolution rise. In the state after the valve is fully closed, perform
warming-up operation.

Operation under Cold Weather Conditions below23°F ( -5°C)

Use SAE10W-30 (CD class) for the engine oil.

Use LLC (antifreeze).

Use correct amount to provide freeze protection, according to the ambient temperature. (See 5.6.13)

Battery should always be kept fully charged.

1

Separator receiver tank

A040042

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