SUNWARD SWL 2021 Series, Руководство оператора

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SWL2820 Operator’s Manual
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5.4 DESCRIPTION MACHINE FOR MAINTENANCE
The following items describe the different machine’s parts or systems for a better understanding
by doing the maintenance. This manual tries to go deeper in these parts or system that needs
more attention in the maintenance.
5.4.1 ENGINE DESCRIPTION
This section describes or gives some advice about the engine. For deeper information about the
engine consult the engine manual which should be given together with this manual.

The engine can be considered as the heart of the machine, so it needs a special attention.

Take special care with the engine oil, since a good lubrication can extend the life of the
engine.

Use only oil recommended in this manual.

Coolant containing antifreeze is flammable. Never contact this type of coolant with a
flame.

Use only coolant recommended in this manual. Never use any other coolant, since it
could damage the rubber couplings.

Take special care in the engine fuel, since a wrong fuel damage the engine.

Do not refill the tank fully, since it is recommendable to leave enough space to
expansion of fuel.

When the fuel run out or when the fuel filter has been changed the pipes needs to be
bleed.

The fuel tank is located in the backside of the machine and has a capacity of 70L for
SWL2820.

Change all of fuel supply pipes every 2 years or 4000 hours (whichever occurs first).
Remark: please use real Hunan Sunward Intelligent Machinery Co.,Ltd parts or approved by
Sunward.
5.4.2 HYDRAULIC SYSTEM DESCRIPTION

Take special care while working on the hydraulic components, since they work with high
pressure and could result in danger.

Be careful when work on with hydraulic system after work, since it is hot and could
result in danger.

Bleed the hydraulic circuit after change the hydraulic oil or the hydraulic oil filter. For
bleeding the circuit proceed as follow:
1) Start the engine
2) Move all the cylinders slowly, stop them when it is approximately 100 mm
from the end of their strokes.
3) Move the cylinders slowly a few times until the end of the stroke.

Periodically check the hydraulic connexion, since they are suffering high pressure.

When changing one of the hydraulic components check the state of the gaskets and O-
rings, since it is a great opportunity to change them.

Change all hydraulic pipes every 2 years or 4000 hours (whichever occurs first).