Mast Cylinder Pressure Relief Valve; Shelf Power Unit Pressure Relief Valve - JLG TOUCAN DUO Service Manual

IV-5

4.5.2 Mast cylinder pressure relief valve

The mast cylinder pressure relief valve (protection
against overpressure due to ambiant temperature
increase) is factory preset at 18 MPa and cannot be
adjusted on the machine.
Pressure relief
valve
Models
Updated 06-2015
ADJUSTMENTS
TOUCAN Duo

4.5.3 Shelf power unit pressure relief valve

Before adjusting the pressure relief valve on the shelf
power unit, the setting of the pressure switch on the
shelf cylinder must be checked / adjusted (refer to §
4.6).
1- Place the shelf rated load increased by 10%
on the shelf (approx 80 kg).
2- Fully raise the shelf.
3- Adjust the pressure relief valve "B" (see drawing
below) until the shelf lowers correctly and
smoothly.
NOTE
The pressure relief valve "A" (shelf elevation)
is factory preset and its setting must not be
modified.
B
Pressure relief valve
shelf lowering
IV-5
A
Pressure relief valve
shelf elevation
41