The benefits of using
the LE 9920 SYNOLEC® Synthetic Gear Oil are:
REDUCED WEAR - with MONOLEC®, LE's exclusive wear-reducing
additive plus other EP additives, the 9920 SYNOLEC® Synthetic
Gear Oil yields a high Timken OK load of 65 lbs. This true SAE 75w140
lubricants provides a tough film strength with no shearing. No
viscosity improvers are employed to achieve the multigrade
LONGER EFFECTIVE LUBRICANT LIFE - is achieved through enhanced low
volatility as well as an excellent thermal stability. This assures that
this lubricant provides long lasting lubrication when compared with
petroleum products without forming carbon deposits. In severe service,
this is critical because this lubricant will not break down.
COLD WEATHER CAPABILITIES - are realized because of the improved
subzero flow properties. With a -49 deg F. pour point, low temperature
start-up and lubrication is assured
MEETS - AGMA 5EP and 6EP and API GL-5.
CONTAINS MONOLEC® - LE's exclusive wear-reducing additive
proven in radioactive wear tests to reduce wear by 24.2%.
Laboratory testing - has shown that the LE 9920 SYNOLEC® 75w-140
synthetic gear oil withstands 20% more load than a popular 75w140
synthetic gear oil.
OF DIFFERENTIAL RESEVOIRS FOR LE GEAR OILS
following procedure is recommended for differential preparation before
filling with LE gear oil. These steps should be taken in every case
before changing to LE gear oil and are especially important where
foaming has been a problem or in applications involving use of LE gear
oils far beyond the manufacturers' recommended drain intervals.
Drain oil presently in the differential as completely as possible while
the truck is still warm. This also helps remove contaminants and
oxidized oil which can impair performance of LE gear lubricants. If
contaminated oil remains in the differential, foaming can occur.
Do not use a volatile, chlorinated solvent or solvent-type flushing
compound to wash out the differential. Any solvent trapped in the voids
of the reservoir will cause corrosion. Also the presence of even a very
little amount of solvent-type flushing compound will reduce the
viscosity of a gear oil. Further, without a coating of oil for even a
short time, rusting of internal parts of the differential can take
To properly flush the differential, use a light viscosity turbine oil
or non-detergent engine oil (SAE 10 or 20). Jack up your truck (no-load
condition) and run in gear for 15 minutes and drain. Note that some
units can be so badly oxidized that physical removal from the inner
surfaces may be required.
4. If new gears are installed make sure that the new gears that come
with a rust preventative are cleaned off. This insures that any rust
preventative, debris, metal chips and core sand is removed before