Gehl Dynalift 663, Operator'S Manual

Page: 25 / 72

PRINTED IN U.S.A.
23
907879/AP1198
Boom Angle Indicator:
Mounted on the left side of
the outer boom. Movement of a bubble shows the
angle of boom elevation relative to the frame ground
surface.
AutoTroll
 
Option:
When provided, a rocker switch
on the top of the lift/extend joystick handle performs
this function. The AutoTroll option automatically low-
ers the boom as it extends to provide true horizontal
movement of the attachment tool forks. On retraction,
the boom is automatically raised to maintain true hori-
zontal fork movement.
AutoTroll option performs equally well below or
above grade for easy insertion or retraction of the forks
from the load. To operate this function, first raise the
load to the desired position by normal movement of the
joystick.
To move the load or forks horizontally, depress the
right side of the rocker switch. This activates the
microprocessor, pump pressure and extend solenoid.
Fork movement will continue at factory pre-set speed
of three seconds per foot as long as the extend side of
the rocker switch is depressed.
Depress the left side of the rocker switch to retract the
load or forks horizontally. Releasing the rocker switch
allows the operator to use the machine in normal oper-
ation.
Attachment Joystick: Moving the joystick forward
tilts the attachment down. Moving it rearward tilts the
attachment up. Moving the joystick left positions the
rotating carriage up to 10
o
to the left. Moving it to the
right positions the rotating carriage up to 10
o
to the
right. The function of this attachment is to place or
pickup loads from sloped surfaces. The same left/right
joystick action lowers and raises the winch attachment
cable.
OTHER OPERATION INDICATORS
The following indicators are for fluid level and opera-
tor rear vision/safety.
Hydraulic Reservoir Oil Level & Fill Cap: The sight
gauge on the side of the reservoir indicates the level of
the hydraulic oil. The fill cap is accessible by remov-
ing the front cover of the front hood section.
WARNING
Use extreme caution when raising or extend-
ing the boom. The Telescopic Handler MUST
be level. Loaded or empty, this machine can
tip if not level.
ALWAYS place the transmission in neutral, set
the park brake lever and keep the service
brake pedal fully depressed before raising or
extending the boom.
NEVER exceed the specified lifting or extend-
ing capacities of this machine. Serious
machine damage or personal injury may
result. Refer to the load charts in the opera-
tor’s station or this manual.
If a boom circuit hose should break with the
boom up, with or without a load, shut the
machine down following the MANDATORY
SAFETY SHUTDOWN PROCEDURE (Safety
chapter, p.10). DO NOT attempt repairs. Call
your GEHL dealer immediately for assistance.
The truss boom and winch attachment tools
should ONLY be used to lift and place loads
when the machine is stationary. DO NOT use
truss boom to transport loads around the job-
site This can cause the load to swing, result-
ing in either the load dropping or machine
tipover.
NEVER use winch for lifting or moving of per-
sonnel. NEVER exceed the maximum rated
capacity of the winch (3000 lbs/1360 kg) or
exceed the load chart rating for winch appli-
cations.
DO NOT tilt the truss boom back more than
45
o
from horizontal. DO NOT attempt to use
the rotating carriage as a load leveling func-
tion. Always level the frame prior to handling a
load.
Failure to heed could result in death or seri-
ous injury.
CAUTION
DO NOT depress rocker switch during manual
operation.
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