MAINTENANCE
105
Tighten each lock nut holding the relative screw firm.
Also tighten the fixing screws
4
. Tightening torque:
100 Nm.
Repeat the adjustment operations for the lateral
sliding blocks. Try to adjust the sliding blocks in such a
way that the screws project to the same extent.
Move to the front of the boom, and identify the sliding
blocks of the first extension stage.
Loosen all the lock nuts
1
of the upper and lower
sliding blocks. Fit all the screws
2
all the way without
tightening them, then tighten through half a turn.
Tighten each lock nut holding the relative screw firm.
Tightening torque: 100 Nm.
Repeat the adjustment operations for the lateral
sliding blocks. Try to adjust the sliding blocks in such a
way that the screws project to the same extent.
Repeat the operations described above for the sliding
blocks of all the extension stages, proceeding in order
towards the front part of the boom.
Always try to adjust the sliding blocks symmetrically,
so that each stage is centred with respect to the
adjacent ones.
After completing the operations try to extend and
retract the boom to check the boom movement is
smooth. If the movement of the boom is not smooth,
repeat the adjustments, unscrewing the screws
through one complete turn instead of through half a
turn.
Contact your dealer for clarification or for assistance.
Telescopic boom pins
Lubricate the pins of the movable parts of the
telescopic boom at regular intervals. Lack of
lubrication can cause seizure of the pins in their seats.
Set the vehicle in the parking position, unless
otherwise specified.
Identify the grease nipples
1
and inject grease into
these until it flows out from the edges of the pins.
Wipe excess grease to prevent accumulation of dirt.
Lubrication of boom pin
Lubricate pin
2
injecting grease in both grease nipples
present on the boom.
Lubrication of lift cylinder pins
Lubricate pins
3
and
4
of the lift cylinder. To make
access to the grease nipples easier, lift the telescopic
boom completely.
1
2
1
2
4
3
Содержание RTH 4.18
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