5-4 Published 3-25-2020, Control # 643-04
MAINTENANCE AND LUBRICATION GRT880 OPERATOR MANUAL
Arctic Lubricants and Conditions
Temperatures Below -9°C (15°F)
Regions with ambient temperatures below -9°C (15°F) are
considered arctic. In general, petroleum based fluids
developed especially for low temperature service may be
used with satisfactory results in these temperatures.
However, certain fluids, such as halogenated hydrocarbons,
nitro hydrocarbons, and phosphate ester hydraulic fluids,
may not be compatible with hydraulic system seals and wear
bands. Always check with an authorized Grove distributor or
Manitowoc Crane Care if in doubt of the suitability of a
specific fluid or lubricant.
When operating in cold weather and regardless of the oil
viscosity of the crane’s lubricants, always follow the cold
weather start-up and operating procedures described in the
Operator Manual to ensure adequate lubrication during
system warm-up and proper operation of all crane functions.
Cold Weather Package and Lubricants
Grove recommends the following cold weather lubricants for
use with ambient temperatures down to -29°C (-20°F)
(TABLE 5-2) and -40°C (-40°F) (TABLE 5-3). But, these cold
weather lubricants alone are not sufficient to operate the
crane in extreme low temperatures. Therefore, it is also
recommended that the crane be equipped with the following
accessories:
Down to -29°C (-20°F) Package
• Battery heater
• Fuel line heater
• Engine hood insulation
• Fan clutch
• Radiator air shutters
• Air diverter
• Diesel fired cab heater
• Cold weather alternator
• Fluids suitable to -29°C (-20°F)
- Arctic windshield washer fluid
- Arctic fuel
Down to -40°C (-40°F) Package
• Coolant heaters (to circulate warm coolant through
heaters and engine)
• Fuel line heaters
• Transmission heater
• Battery heater
• Engine hood insulation
• Fan clutch
• Radiator air shutters
• Air diverter box (to allow intake air to be taken in from
under the engine hood)
• Diesel fired cab heater
• Cold weather alternator
• Super-capacitor starting system
• Fluids suitable to -40°C (-40°F)
- Arctic windshield washer fluid
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