BAC 3872C User Manual

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15
Detailed Component
Maintenance
Procedures
Fan Drive System
Optional Gear Drive System
Lubrication
• UseonlyrustandoxidationinhibitedgearoilsinaccordancewithAGMA(American
GearManufacturer’sAssociation),Standard9005-E02.
• Theambienttemperatureatthegeardriveis20°Fto120°F(-7°Cto49°C)formineral
oilsand-20°Fto150°F(-29°Cto66°C)forsyntheticlubricants.
• TheAGMAlubricantnumberis5formineraloilsand5Sforsyntheticlubricants.
• TheISOgradeis220forbothmineraloilsandsyntheticlubricants.
• Donotusegearoilscontainingextremepressure(EP)additives.
• Recommended mineral oils:
– AtlanticRicheld–Duro220
– ChevronOil–RandoHD220
– CitiesServiceOil–CitgoPacemaker220
– Conoco–HydroclearMultipurposeR&OOil220
– Exxon–Teresstic220
– GulfOil–Harmony220
– MobilOil–DTEOilBB
– Pennzoil–PennzbellTO220
– PhilipsPetroleum–Magnus220
– ShellOil–MorlinaSD220
– SunOil–Sunvis9220
– Texaco–Regal220R&O,Code1531
– Total–Carter220
• Recommended synthetic lubricants:
– ChevronOil–Clarity220Synthetic
– Conoco–Syncon220R&OOil
– MobilOil–SHC630
• Whentheambienttemperatureexceeds180°F(82°C)orthegeardriveisstartedat
anambienttemperaturelessthan20°F(-7°C),asyntheticlubricantisrecommended.
Whenmineraloilsareusedinoperationatambienttemperaturelessthan20°F(-7°C)
lubeoilheatersarerequired.Eachunithasprovisionsforaninternaloilreservoir
heater.Heatersandsyntheticoilareextracostaccessoriesandcanbeorderedwith
newunitsormaybeorderedandinstalledinexistingunits.
• Theverticalandhorizontalshaftsareequippedwithgreaselubricateddualseals.
Relubricationisnotrequired.
NOTE: List of brand names is for
identification only and are not
exclusive recommendations.
ATTENTION: Do not mix synthetic
lubricants and mineral oils.
Attempt to use only one brand of
lubricant at all times. If the brand
is changed, completely drain the
old oil before filling the gear with
new oil.
NOTE: Certain gear drive
components might be incompatible
with the various base stocks used to
make synthetic lubricants. Contact
your local BAC Representative prior
to using any synthetic lubricant not
listed.
Gear Model Gallons Liters
65 0.5 2
85 1 4
110 2 8
135 3 11
155 5.5 21
175 5.5 21
Table 3. Normal Operating Oil Capacity
NOTE: For units with the extended
lubrication line option, additional
oil beyond the capacities listed in
Table 3 will be required to fill the
oil line.

BAC 3872C Specifications

General

Brand	BAC
Model	3872C
Category	Air Conditioner
Language	English