Models
Revision 03-2012
46
Toucan 1210
Toucan 1310
HYDRAULIC SYSTEM
3
3
3.16.5 Rotation cylinder (optional)
1.
Double effect cylinder Ø 50-30 - stroke : 130 mm.
2.
Dual overcenter valves
2a.
Counterbalance valve rod side
2b.
Counterbalance valve piston side
Dual overcenter valves
F
UNCTION
:
- Keep the cylinder in position in the event of
hose failure.
- Allow pressure relief in case of overload.
- Allow thermal expansion relief of the hydraulic
fluid.
Pilot ratio : 6,5:1.
Setting of the counterbalance valves (2a & 2b) :
- Loosen the valve setting screw.
- Tighten the setting screw until it contacts the
valve springs, then tighten the screw by 1 turn.
Tighten the locknut.
1
2
2b
2a
2
m
m
Dual overcenter valves
F
UNCTION
:
- Load holding in the event of hose failure.
- Allows pressure relief in case of overload.
- Allows thermal expansion relief of the hydraulic
fluid.
Pilot ratio : 6,5:1.
Setting of the counterbalance valve (4a) rod side
- Lower the jib with the work platform floor
horizontal.
- Fully tighten the valve setting screw (4a).
Loosen without removing it the counterbalance
valve (2) setting screw and tighten the locknut.
- Place a 250 kg load evenly distributed on the
work platform floor.
- Loosen slowly the setting screw until the
platform starts to tilt rearwards, then tighten
the screw again by 1 turn. Tighten the locknut.
Setting of the counterbalance valve (4b)
piston side :
- Loosen the valve setting screw (4b).
- Tighten the valve setting screw until it contacts
the valve spring, then tighten the screw by 2
turns. Tighten the locknut.
Setting of the counterbalance valve (2) :
- Tighten the setting screw and the locknut until
the screw juts out over the locknut by 2mm.
- Lower the jib. Position the speed adjustment
potentiometer for the structure movements on
maximum speed (
).
- With one person only in the platform, perform
a trim correction movement towards the rear.
- The platform must recline to the rear and the
jib not rise. Otherwise, loosen the setting screw
by
1
/
8
turn.
Содержание TOUCAN 1210
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