Service Manual 04/2010 Rev.B
80
Turn the machine on and close the tool holder
cylinder ‘till end of the stroke ( 6.1 Fig.133).
Turn the machine off.
Remove the screw and install the manometer
on the steel oil hose (Fig.146).
Fig.146
Turn the machine on.
Move the tool holder arm to the left ‘till end of
stroke and verify if the maximum pressure is
60 bar (900 PSI) (Fig.147).
Fig.147
TO ADJUST THE PRESSURE:
If the pressure is lower or higher than the
above one, remove the black coil valve cover
on the hydraulic assy shown by the arrow on
5.23 Fig.122, unlock the nut and try to
increase or decrease the pressure by turning
clockwise or counter clockwise the 6mm hex
screw shown in the picture (Fig.148).
Fig.148
Move to the right the tool holder cylinder ‘till
end of the stroke.
Turn the machine off.
Remove the manometer and install the bolt
with two new copper washer.
Check if the machine works fine and if there is
any further oil leaking.
6.5 HYDRAULIC PRESSURE OF
CHUCK CYLINDER: CHECK AND
ADJUSTMENT
: 1h
: End wrenches of 10,17,19 and 24mm, 3,5
and 10mm Allen wrenches, 24mm socket
wrench, small pliers, small cross screwdriver,
manometer, green loctite, hydraulic oil
container, dynamometric wrench.
L : Incorrect chuck hydraulic pressure may
cause the following malfunction:
1. Low clamping power of the rims.
TO CHECK THE CHUCK CYLINDER
PRESSURE:
Check the maximum pressure 6.3.
Keep the chuck cylinder quite opened for 10’:
the pressure should not decrease below than
140 Bar (2050PSI).
If the pressure drops quickly or considerably
over than the above one, the following parts
need to be checked and, if necessary,
replaced:
1. Locking valve.
2. Locking valve piston release O ring.
3. Rear cylinder flange.
4. Chuck cylinder piston seals ( 6.13).
IMPORTANT!
IN CASE OF THE ABOVE PROBLEM THE
MACHINE DOES NOT SHOW ANY OUTHER
OIL LEAKING.
To Next Page
Loading...