19. Basic Servicing Practices
3-9
19-1-4. Grease
• Grease ensures smooth operation of moving parts such as connectors and prevent operating noises.
• The nipples not listed on the pages for periodic service are those for overhaul. Normally it is not nec-
essary to refill them.
Grease them if any abnormal condition arises after long term use.
• Wipe the extruded old grease off with a rag after greasing.
Carefully wipe the old grease off completely from all moving parts which are easily worn by adhered
sand or dust.
19-1-5. Storing the oil and fuel
• Store the oil and fuel indoors so that they will not be contaminated by impurities such as water or dust.
• When you store oil or fuel in drums for a long period, position them so that their outlets align in a
straight line (to prevent moisture absorption).
When storing the oil or the fuel outdoors, cover the drums with a waterproof sheet.
• To avoid deterioration caused by long-term storage, use the oil on a first-in first-out basis.
19-1-6. Filter
• The filters are very important parts which prevent impurities from getting into critical devices through
the lube oil, fuel and air systems.
Replace the filter elements periodically according to the instructions of the Operation & Maintenance
Manual.
Under difficult conditions, you need to replace the filter elements earlier than suggested in the Opera-
tion & Maintenance Manual depending on the type of oil and fuel (sulfur content).
• Never reuse the filter elements (cartridge type) by cleaning them.
•
When replacing an oil filter element, check that no metallic dust or foreign solids are present on the old filter.
If they are found to be present, contact the nearest dealer.
• Do not unpack the filter element before use.
• Use genuine original equipment replacement filter elements.
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