1. Introduction
7
Use of Genuine Parts
The engine is a mechanically balanced assembly comprising
a large number of parts. Accordingly, regular maintenance
and replacement of consumable parts are essential for
preventing engine failure and maintaining long-term optimal
performance.
We recommend using genuine Hyundai Doosan Infracore
parts when replacing parts. Using imitation or recycled parts
may cause severe engine faults and damage for which
Hyundai Doosan Infracore shall not be held liable.
Engine Care
Preventing Damage and Wear
Using the engine for any purpose other than that for which it
was designed may cause severe faults in the engine for which
Hyundai Doosan Infracore shall not be held liable. For details
regarding the intended uses and purposes of the engine,
please contact our sales department. Do not adjust, convert or
change the engine control unit (ECU) without the authorization
of Hyundai Doosan Infracore.
When a problem occurs in the engine, locate the cause and
resolve the issue immediately to prevent any severe faults.
We recommend using genuine Hyundai Doosan Infracore parts
when replacing parts. Using imitation or recycled parts may
cause severe engine faults and damage for which Hyundai
Doosan Infracore shall not be held liable.
Make sure to maintain the engine according to the following
instructions.
1. Only use clean fuel with the specified grade. Please use
the fuel recommended in this Operation and Mainte-
nance Manual.
2. Do not operate the engine without lubricant or coolant. Use
only the products (engine oil, coolant, anticorrosive
agents, etc.) recommended by Hyundai Doosan Infracore.
3. Always keep the engine and its surroundings clean.
4. Make sure to use the fuel recommended in this Operation
and Maintenance Manual.
5. Use the maintenance schedule to perform inspections
and replacements at the specified intervals.
6. Do not stop the engine immediately while it is hot.
Instead, idle it for at least 5 minutes so that the engine
temperature drops sufficiently.
7. Check the engine oil level on flat, level ground. Do not fill
oil past the upper limit mark on the oil level gauge.
Failing to comply with the regulations of local public
institutions may result in legal sanctions for violating
regulations on the disposal of environmental contami-
nants.
Using imitation or unspecified fuel may cause severe
faults in the engine.
If the radiator cap is opened to add or replace coolant
while the engine is overheated, hot coolant will spurt out
and may cause serious burns.
Add engine oil immediately if the engine oil level falls
below the lower limit mark on the oil level gauge.
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