cascade corporation G Série Instructions D'installation page 12

I
NSTALLATION
13
Adjust Relief Cartridge (28G-77G)
NOTE: The attachment revolving connection end
block is fitted with an adjustable relief cartridge for
the CLAMP circuit. For correct settings and to avoid
overclamping, the relief cartridge should be adjusted.
Check the nameplate for hydraulic pressure settings.
A
Confirm that the TRUCK pressure delivered to
the attachment revolving connection is within the
range shown on the attachment nameplate:
Low Pressure
155 bar (2245 psi)
189 bar (2740 psi)
B
Install a 345 bar (5000 psi) pressure gauge to
the valve body TEST port (No. 4 O-ring fitting
required).
NOTE: Some valve bodies have two test ports.
Install the pressure gauge in either one.
C
Fully open arms. Clamp a rigid load or Clamp
Force Indicator at normal speed. Release control
lever and note pressure gauge reading.
D
Adjust the attachment relief cartridge on the end
block to show a maximum setting of:
Low Pressure
189 bar (2740 psi)
Turn clockwise (CW) to increase pressure,
counterclockwise (CCW) to decrease pressure.
Tighten jam nut.
E
Repeat Steps C and D to confirm setting.
Bottom Cylinder
Test Port
10
High Pressure
190 bar (2755 psi)
250 bar (3625 psi)
High Pressure
250 bar (3625 psi)
REVOLVING CONNECTION
Body
B
T E
S T
Top Cylinder
Test Port
Bottom Cylinder
CLAMP Check
Cartridge
Top Cylinder
CLAMP Check
Cartridge
Rec.
Max.
End Block
Shaft
T E
S T
O P
C L
CL2978.eps
Flow Divider
Cartridge
WARNING: Before removing hydraulic
lines or components, relieve pressure
in the hydraulic system. With the
truck off and move the truck auxiliary
control valve(s) several times in both
directions.
CLAMP Supply
Hoses
Adjustable
D
CLAMP Relief
Cartridge
6038011-R4 EN