TELELIFT 3713 SX
TECHNICAL SPECIFICATIONS
0
Document 57.4402.9200 - 1
st
Edition 10/2006
INDEX
5.
SETTING THE VALVE OPERATING BOOM
LIFTING CYLINDER (encl. 1)
For a correct adjustment of the valve operating the boom
lifting cylinder, proceed as follows.
• With a 24mm hexagon wrench, remove the locknut
from the valve (machine chassis side).
• With a 8mm Allen wrench, move screw ref.
5
5mm
far from the face of the valve (see photo below).
• Test the correct operation as follows: load the
maximum admissible load (3700 kg) onto the forks
and lower the boom. As soon as the alarm of the
overload warning system triggers, check that the
down-movement of the boom stops. Should this not
be the case, tighten screw ref.
5
1/4 turn and test
again.
6.
C A L I B R A T I N G T H E H Y D R O M A T I K
HYDROSTATIC TRANSMISSION PUMP
Do the calibration of the hydrostatic transmission with
the hydraulic oil at a temperature of 80°C and with the
2
nd
mechanical speed engaged.
• Connect a 0-60 bar manometer to port ref.
C
(encl.
3) to measure the low pressure.
• Connect a 0-600 bar manometer to port ref.
D
to
measure the high pressure.
• Hold the selector to neutral position and make sure
the max engine speed does not exceed 2500 rev/min.
At idle, the engine must run at 900 rev/min. Should
this not be the case, adjust the idle position.
• Measure the boost pressure and ensure it is about
26/28 bar with the engine running at idle speed.
The boost pressure has not a fixed value but varies
from pump to pump.
Note:
In older pump models, it was possible to
adjust this value by means of a register. In
these machines, the low pressure is also
used for the re-sequencing cylinder and for
the distributor.
• Fully depress the brake pedal with the left foot to
bring the machine to a stop. Do not use the parking
brake.
PRIOR TO CALIBRATION
• Turn the speed selector to the forward speed
position.
• Using the gas lever, run the engine at 1100 rev./min
checking the value on the tachometer.
• Adjust the choke valve
E
acting on the adjustment
screw until the high pressure manometer
D
(encl. 3)
shows a value of 60 bar.
5 mm
Summary of Contents for Telelift 3713 SX
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