2006 Cat 320C Track Excavator, Hydraulic Excavator- NEW ZEALAND. 2006 CATERPILLAR 320CL Hydraulic Excavator. 16430 PHOENIX, AZ. 2001 CATERPILLAR 320CL Hydraulic.

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• Cat 320c Excavator Manual

1. Caterpillar 320C/322C Excavator Factory Service & Shop Manual. Price: $29.99 USD. Complete workshop & service manual with electrical wiring diagrams for Caterpillar 320C/322C Excavator. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
2. May 28, 2020 Title: Caterpillar Cat 320C L Excavator (Prefix MAB) Service Repair Manual (MAB00001 and up), Author: ir4ci120, Name: Caterpillar Cat 320C L Excavator (Prefix MAB) Service Repair Manual (MAB00001.
3. Feb 6, 2021 - Download Caterpillar 320c 320c l excavators parts manual online pdf and How to search part number list, electronics, oem, parts diagram, location by vin.

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Factory Service Repair Manual For Caterpillar 320C & 320CL Excavator with Prefix ANB | AMC. Step by step instructions, illustrations, diagrams. Most of the sections include Systems Operation, Testing and Adjusting, Troubleshooting, Specifications, Disassembly and Assembly. Detailed Electrical & Hydraulic schematic Manuals.
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Models:

Caterpillar 320C & 320CL Excavators

ANB00001-UP
AMC00001-UP

Cat 320c Excavator Manual Download

3066 Engine

Contents:

Contents
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Air Inlet And Exhaust System
Basic Engine
Cooling System
Electrical And Starting System
Engine Arrangement
Frame And Body
Fuel System
Hydraulic System
Implements
Lubrication System
Machine Arrangement
Operator Station
Power Train
Service Equipment And Supplies
Undercarriage
Work Tools
Torque Specifications
Schematics

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When travel lever/pedal (1) is moved to the FORWARD TRAVEL position, rod (3) moves downward. As rod (3) moves downward, seat (4) moves downward against the force of springs (5) and (6) . Passage (19) opens.

As passage (19) opens, the pilot oil flows through an in-line filter which is connected to pilot port (16) . Pilot oil then flows through pilot port (16) to passages (21) , (19) , (20) , and (9) to port (18) . The pilot oil flows through port (18) to the travel control valve. The pilot oil pressure shifts the spool of travel control valve. The oil delivery from the pump now flows through the travel control valve to the travel motor. The travel motor rotates. The machine travels forward.

The return pilot oil at the opposite end of the spool in the travel control valve returns to the travel pilot control valve through port (22) . Since spool (11) is pushed upward by the force of spring (10) , the return pilot oil flows through passage (17) , passage (15) , passage (14) , return chamber (13) and port (12) to the hydraulic tank.

When travel lever/pedal (1) is moved slightly from the NEUTRAL position for fine travel, rod (3) moves downward and seat (4) moves downward. Spring (6) forces spool (7) downward. Passage (19) opens slightly and the pilot oil pressure increases in port (18) . When this pilot oil pressure becomes higher than the force of spring (6) , spool (7) moves upward opening passage (8) . The pilot pressure oil from port (18) flows through passages (9) , (20) and (8) into return chamber (13) . The pilot oil pressure decreases slightly. Spool (7) is held in a pressure modulating position. Spool (7) establishes a balance between the pressure in port (18) and the force of spring (6) .

Cat 320c Excavator Parts Manual Pdf

When travel lever/pedal (1) is released, spring (5) forces seat (4) and rod (3) in an upward direction. The force of spring (6) decreases. Spool (7) moves upward. The pilot oil pressure at port (18) flows through passage (9) , passage (20) , passage (8) and return chamber (13) to the hydraulic tank.

A dampening function is built into the travel pilot control valve which allows the operational speed of the travel lever/pedal to correspond to the movement of the operator’s foot. The dampening function also prevents the vibration that occurs when the travel lever/pedal is released.

When travel lever/pedal (1) is moved suddenly from the NEUTRAL position, rod (3) is pushed downward. Rod (3) moves piston (25) , spring (26) and spring (27) downward. The hydraulic oil in spring chamber (28) is pressurized. Ball (29) closes the opening. Orifice (24) allows the confined hydraulic oil in spring chamber (28) to gradually flow into piston chamber (23) . The gradual flow of oil through orifice (24) causes the dampening function.

Rod (30) is forced upward by springs (31) and (32) . The oil pressure in spring chamber (33) decreases. The return oil pressure in return chamber (13) forces ball (34) upward. The return oil in return chamber (13) now flows from return chamber (13) into spring chamber (33) . As a result, rod (30) follows the movement of pedal (2) .

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When travel lever/pedal (1) is moved slightly from the NEUTRAL position for fine control, rod (3) is pushed down slowly. As a result, the oil pressure in spring chamber (28) becomes equal to the oil pressure in piston chamber (23) . At this point, the dampening function is weak.

Cat 320c Excavator Manual

Travel lever/pedal (1) operates the same way in the REVERSE TRAVEL position.