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"PGO 320"
Synthetic Gear Oil
Return to Synthetic
Gear
Oil Department
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The LUBRIPLATE PGO Series is comprised of 100% polyalkylene glycol (PAG) products which are
designed to handle the most demanding operating conditions. These fluids deliver outstanding
protection against micropitting, abrasion and wear. They deliver unsurpassed extreme pressure and
anti-wear performance and provide outstanding thermal stability.
Part Numbers:
L0840-057
L0840-060
L0840-062
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The LUBRIPLATE PGO Gear Oils may be recommended for helical, bevel helical, planetary and
worm gear reducers.
Materials compatibility with PAG synthetic fluids is an important consideration. Polyurethane based
elastomers, leather, cork, paper and board should be avoided. Common seal and gasket materials are
unaffected by the LUBRIPLATE PGO fluids. Nitrile Rubber (NBR), fluoro-Silicone or vinyl-methyl
polysiloxane (Q) are recommended especially where high temperatures are involved. Ordinary
industrial paints will soften in the presence of the LUBRIPLATE PGO Gear Oils. Internal gearbox
surfaces should ideally be unpainted or coated with resistant materials, for example a resistant
two pack epoxy formulation.
The LUBRIPLATE PGO Gear Oils are not compatible, nor should they be mixed with mineral oilbased
lubricants or polyalphaolefin (PAO) based fluids. When changing from a mineral oil or a PAO
to one of the LUBRIPLATE PGO fluids, the following flushing procedure should be followed:
The system should be run until the old oil is warm, then drain as fully as possible, particular attention
being paid to reservoirs, lines etc., where oil may be trapped. The system should be cleaned of
residual sludge.
Flush the system with the minimum quantity of LUBRIPLATE PGO Fluid by operating under no
load then drain the system while the fluid is warm. Repeat if necessary.
Seals, etc., should be inspected and if deteriorated, then replaced.
Seals previously exposed to other oils may shrink when exposed to LUBRIPLATE PGO Gear fluids, therefore, it may be advantageous to replace them, however, this is not mandatory. Careful inspection of the system for leaks will often suffice. It is useful to inspect the lubricant after one or two days in use to make sure that it is free of extraneous materials. Contamination with significant quantities of other lubricants can, in some cases, lead to sludging, foaming and other problems.
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