Grove Published 3-25-2020, Control # 643-04 3-59
GRT880 OPERATOR MANUAL OPERATING CONTROLS AND PROCEDURES
Boom
Before extending boom, ensure large access cover on top of
boom base section is installed.
For crane operation below -40°C (-40°F), derate load chart
capacities by 6.60% for each degree Celsius or by 3.67% for
each degree Fahrenheit below -40°C (-40°F).
Air Cleaner
Check filter restriction indicator (Tier 3 models only). Check
filter and tubing for security.
Air Intake Restriction Monitoring (AIRM)
Communications System - Tier 4 Only
The Tier 4 engine includes the Cummins AIRM
Communications System. This calculates real-time air filter
restriction at operational flow rate using the temperature and
pressure input from the TBAP sensor, which is included on
the Direct Flow air cleaner.
A maintenance fault (Fault Code (FC) 5576) is initiated at the
dirty filter restriction level, generating a blinking “Check
Engine” light for 30 seconds at every key on until the intake
air restriction drops below the dirty filter restriction threshold.
A severe warning fault (FC 3341) is initiated if the
maintenance fault condition degrades to a severe restriction
level for a given time period, generating a solid amber
“Check Engine” light and initiating a progressive engine
derate to protect engine from damage until intake restriction
drops below dirty filter restriction threshold.
Cold Weather Operation
The following recommendations are for operating Grove
cranes in regions with ambient temperatures below -9°C
(15°F) which are considered arctic.
NOTE: Additional information regarding cold weather
operation is available through your Cummins
dealer/service center under Service Bulletin
3379009.
Use particular care to ensure cranes operated in very cold
temperatures are operated and maintained in accordance
with procedures provided by Grove. Always ensure
adequate lubrication during system warm-up and proper
operation of all crane functions when operating in cold
weather.
Regardless of crane lubricant viscosity, always follow 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,
(Refer to Arctic Lubricants and Conditions, page 5-4).
If in doubt of suitability for a specific fluid or lubricant, check
with an authorized Grove distributor or Manitowoc Crane
Care. Cranes should have appropriate hydraulic oil,
lubricants, and other auxiliary items required for operation in
arctic temperatures.
Grove recommends the crane be equipped with the following
cold weather 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 heater (to circulate warm coolant through
heaters and engine)
• Transmission heater
• Swivel heater
• Battery heater
• Fuel line heater
• Engine hood insulation
• Fan clutch
• Radiator shutters
• Air diverter
• Diesel fired cab heater
• Cold weather alternator
• Super-capacitor starting system
• Fluids suitable to -40°C (-40°F):
- Arctic windshield washer fluid
- Arctic fuel
Individual crane functions should be operated to ensure they
are sufficiently warmed prior to performing a lift. Allow at
least 30 minutes of engine run time for warm up.
Operation of cranes at full rated capacities in ambient
temperatures between -9°C and -40°C (15°F and -40°F) or
lower should be accomplished only by competent operators
who possess the skill, experience, and dexterity to ensure
smooth operation. Shock loading shall be avoided. See
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