OPERATING PROCEDURES GRT9165 OPERATOR MANUAL
4-6 Published 7-23-2020, Control # 668-02
Grove recommends the crane be equipped with the following
cold weather accessories:
Down to -29°C (-20°F) Package
• Battery heater
• Transmission heater
• In-line fuel heater
• Engine hood insulation
• Fan clutch
• Radiator shutters
• Air diverter
• Diesel fired cab heater
• 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
• Hydraulic swivel heater
• Battery heater
• In-line Fuel heater
• Engine hood insulation
• Fan clutch
• Radiator shutters
• Air diverter
• Diesel fired cab heater
• Super-capacitor starting system
• Fluids suitable to -40°C (-40°F):
- Arctic windshield washer fluid
- Arctic fuel
Individual crane components must be sufficiently warmed
prior to performing a lift. Follow the warm-up procedures
found in section Crane Warm-up Procedures, page 4-11.
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).
Operation of cranes at full rated capacities in ambient
temperatures below -9°C (15°F) should be accomplished
only by competent operators who possess the skill,
experience, and dexterity to ensure smooth operation.
Shock loading shall be avoided.
Coolant Heater
A diesel fueled coolant heater circulates warm coolant
through engine and crane components when operating
during arctic temperatures. The coolant heater should be
activated 2 hours before starting the crane to allow sufficient
time to preheat fluids and assist with easy start-up
conditions.
NOTE: Operation of heater is NOT allowed:
• At locations where flammable gas or vapors
are found or can be formed (example: at fuel
stations and chemical factories)
• At locations where explosive dust is found or
can be formed (example: coal, wood or grain
dust).
• There is a risk of suffocation when using the
heater!
• Do not operate heater in enclosed spaces
(example: garages).
To activate heater, make sure fuel supply valve from heater
fuel reservoir is turned to the ON position. Make sure battery
disconnect switch is turned to the ON position and push the
activation button at the heater control panel. A green light will
come on indicating system is activated. The start-up and
shutdown cycles may take approximately 2 minutes for
initialization. Make sure coolant, transmission heater, swivel,
battery heater, in-line fuel pump, in-line fuel heater, and
hydraulic reservoir heater are heating properly.
To deactivate heater, push button at heater control panel.
The green light will go off indicating system is deactivated.
Shutdown cycle takes approximately 2 minutes.
NOTE: Accelerated discharging of battery will occur when
crane engine is switched off. If heater is operated
with crane engine stopped, batteries will need to be
recharged after a short period of time.
Radiator Shutters
When starting engine, radiator shutters close and then
reopen when coolant temperature reaches 71°C (160°F).
WARNING
Explosion Hazard!
Before switching on, check if heater can be operated at
current site of the crane. There is a danger of explosion
when using heater around combustible objects! Do not
park vehicle near objects that are flammable.
Use caution near heater exhaust tailpipe as it will also
become very hot.
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