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Hence, we strongly recommend the use of SAE 15W40 lube oil with API, CH4
or CI4+ classication for all engines to get the various advantages and opti-mum
performance from the engine.
This oil should have a minimum TBN of 10.5 to counteract the higher sulphur
content of high speed diesel available in India.
Beware of the spurious oils in the market. Bad oil quality is
detrimental to engine performance. Hence oil should always
be procured from the original manufacturer or the autho-rized
distributor
Lubricating oil to be used in the engine must meet all qualities as per manufacturer’s
specications. We recommend audit checks of fresh engine oil to ensure the
quality of oil. Facility to check suitability of oil for using it in the engine is available
with the service centers. If in doubt about the quality of lube oil, contact lube oil
manufacturing company and get oil analyzed in their laboratories
Do not intermix different brands of oil as two different brands of oils may not be
compatible with each other. It is therefore recommended that the brand which is
used for initial ll/oil change should only be used for top-up. Different brand of oil
may be used after draining all the existing oil i.e., at the oil drain interval and after
ushing the lube oil system with new brand of oil.
The responsibility of meeting oil quality lies with the oil
manufacturer and Weichai will not be responsible for problems
occurring on engines due to poor quality of oil.
6.3 Grease Recommendations
We recommend the use of grease meeting the specications of ML-G-3545,
excluding those of sodium or soda soap thickeners. Contact lubricant supplier for
grease meeting these specications.
Do not mix brands of grease as damage to bearings may result.
Excessive lubrication is as harmful as inadequate lubrication.
After lubricating fan hub, replace both pipe plugs. Use of
ttings
will allow lubricant to be thrown out, due to relative speed
The responsibility of meeting oil quality lies with the oil
man-ufacturer and Weichai will not be responsible for problems
occurring on engines due to poor quality of oil.
6.4 Fuel oil recommendations
Weichai diesel engines will operate both BV-IV and BV-III standard diesel.
The basic specication for diesel is as Table 6.3 & Table 6.4:
CAUTION
CAUTION
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