176
Lifting Arm
Bleeding Air Out of the Lifting Arm Hydraulic
Circuit
After opening the Versa Hand
TM
hydraulic circuit to replace (for example) a hydraulic cylinder or a
holding valve, air might enter into the hoses located between the proportional valve and the arm
cylinder. As the air cannot be completely removed by the normal use of the arm, the system must be
bled.
The Versa Hand is composed of three hydraulic subcircuits, two of which must be bled individually
depending of the modifications done. Those subcircuits are the following:
Gripper hydraulic circuit
This subcircuit includes two cylinders (bore 1 1/2
in., stroke between 5 and 7 in.) a holding valve and
a flow divider valve. It controls the open/close motion of the gripper in order to grip containers.
In/Out hydraulic circuit
This subcircuit includes two cylinders (bore 1
1/2
in., stroke 54
in.) and a holding valve. It controls
the extend/retract motion of the arm in order to reach containers and come back close to the truck
for travelling.
To bleed the gripper circuit:
1.
Apply all safety measures to ensure safety around the vehicle at all times and make sure to have
enough room to fully operate the arm and gripper.
2.
Make sure that the parking brake is applied.
3.
Position the arm closest to the truck (gripper in the lower position and its fingers fully open).
4.
Loosen (
do not disconnect
) fitting number 2 (see Figure 10-15).
Figure 10-15 Fittings to loosen
5.
Using the joystick or the lever on the proportional valve, fully extend the gripper cylinders in
order to close the fingers.
6.
As soon as a constant and uniform oil flow (without the appearance of air bubbles) is leaking out,
tighten the fitting. Keep the hydraulic function engaged until the fitting is tightened.
7.
Loosen (
do not disconnect
) fitting number 1.
8.
Fully retract the gripper cylinders in order to open the fingers.
1
2
3
4
5
6
7
Содержание Automizer Versa Hand
Страница 1: ...AUTOMIZER VERSA HANDTM MAINTENANCE MANUAL...
Страница 2: ......
Страница 3: ...AUTOMIZER VERSA HAND MAINTENANCE MANUAL...
Страница 26: ...18 Safety...
Страница 89: ...Lubrication 81 Figure 4 11 Lubrication chart Automizer...
Страница 90: ...82 Lubrication Figure 4 12 Lubrication chart Versa Hand arm...
Страница 94: ...86 Lubrication Figure 4 18 Cylinder retaining ring Cylinder retaining ring...
Страница 95: ...Lubrication 87 Packer Lubrication Points...
Страница 96: ...88 Lubrication Hopper Door Hopper door latch Hopper door hinges...
Страница 105: ...Hydraulic System 97...
Страница 127: ...Hydraulic System 119 Figure 5 29 Detecting cylinder internal leaks 1 2 3 4 5 A A A...
Страница 128: ...120 Hydraulic System Main Hydraulic Schematic...
Страница 129: ...Hydraulic System 121 Hydraulic Schematic 96 Gallon Gripper...
Страница 130: ...122 Hydraulic System Hydraulic Schematic 300 Gallon Gripper...
Страница 131: ...Hydraulic System 123...
Страница 132: ...124 Hydraulic System...
Страница 137: ...Electrical System 129 Electrical Schematics Console 1...
Страница 138: ...130 Electrical System Console 2...
Страница 139: ...Electrical System 131 Arm Control...
Страница 140: ...132 Electrical System Chassis...
Страница 141: ...Electrical System 133 Main Body...
Страница 142: ...134 Electrical System Hopper...
Страница 143: ...Electrical System 135 Arm...
Страница 144: ...136 Electrical System...
Страница 151: ...Pneumatic System 143 Pneumatic System Schematic...
Страница 152: ...144 Pneumatic System...
Страница 155: ...Troubleshooting 147 Figure 8 4 Ball end hex wrench metric and SAE...
Страница 164: ...156 Troubleshooting Figure 8 9 Tailgate locking mechanism...
Страница 166: ...158 Troubleshooting...
Страница 174: ...166 Lifting Arm Figure 10 1 Mounting bolts Figure 10 2 Rollers and bearings Figure 10 3 Bolt locks Bearings Rollers...
Страница 189: ...Lifting Arm 181...