Grove Published 3-23-2020, Control # 654-04 4-13
GRT655/655L OPERATOR MANUAL OPERATING PROCEDURES
• Hydraulic Oil Temperatures from 4°C to -10°C (40°F
to 15°F): Crane operation, less hoist, without
a load is
allowed with medium engine speed and medium
function speed (controller position) until fluid reaches at
least 10°C (50°F). It is then recommended that all crane
functions be cycled to remove cold fluid from all
components and cylinders of the hydraulic system. If
any unusual sound comes from the crane’s hydraulic
pumps or motors, stop operation and engine
immediately and contact a Grove distributor.
• Hydraulic Oil Temperatures from 10°C to 4°C (50°F
to 40°F): Crane operation, less hoist, with
a load is
allowed with medium engine speed and medium
function speed (controller position) until fluid reaches at
least 10°C (50°F).
• Hydraulic Oil Temperatures from 95°C to 10°C (200°F
to 50°F): Crane operation with a load is allowed with no
restrictions.
Hydraulic oil temperature above 95°C (200°F): No crane
operation is allowed. Let hydraulic oil cool by running engine
at idle with no functions actuated.
DRIVING THE CRANE
Seat Belts
1. Before fastening a seat belt, always adjust driver’s seat
to position in which you will drive.
2. Pull belt across your lap and push latch plate into buckle
until it clicks (Figure 4-4).
3. To reduce risk of sliding under belt during a collision,
position belt across your lap as low on your hips as
possible and pull it toward door to a snug fit.
Traveling — General
Owner/lessee must take appropriate measures to make sure
all persons operating or working with affected models are in
compliance with Grove U.S. L.L.C. recommendations.
Operator of the crane assumes responsibility for determining
suitability of traveling on a slope. Traveling on a slope should
only be attempted under the controlled conditions specified
in this publication, and must be conducted with the utmost
diligence and care to ensure the safety of all personnel
performing the operation and/or working around the crane.
When driving on roadways, the operator must follow all
applicable regulations and/or restrictions.
Although Rough Terrain cranes are specifically designed for
rough terrain, the operator should be extremely cautious and
aware of terrain operating conditions.
Latch Plate
Buckle
Push Button
FIGURE 4-4
WARNING
Accidental Operation Hazard!
Before traveling, make sure that all crane functions are
fully disabled by pressing the Crane Function
Enable/Disable Switch. Disabling the crane functions will
prevent accidental operation of the craning functions due
to hitting the controllers while traveling.
WARNING
Tipping Hazard!
Avoid holes, rocks, extremely soft surfaces, and any other
obstacles which might subject crane to undue stresses or
possible overturn.
Do not drive crane with boom off center because
automatic oscillation lock out will occur, making the crane
subject to tipping on uneven surfaces. Center the boom
over the front, disable swing functions, and engage
Turntable Lock Pin.
Fully retract boom and ensure swingaway jib is properly
stowed and secured.
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