Fiatallis FR20B Wheel Loader Service Manual – PDF

Description

Fiatallis FR20B Wheel Loader (Hydraulics & Power Steering System)Service Manual – PDF DOWNLOAD

FILE DETAILS:

Fiatallis FR20B Wheel Loader (Hydraulics & Power Steering System)Service Manual – PDF DOWNLOAD

FN 60406442

Language : English
Pages : 45
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Fiatallis FR20B Wheel Loader (Hydraulics & Power Steering System)Service Manual – PDF DOWNLOAD

FN 60406442

IMPLEMENT HYDRAULIC SYSTEM SCHEMATICS

11.1 Pilot Control Circuit
11.1.1 Hydraulic Cylinders Control Circuit
11.1.2 Main Control Valve Unit Operation
11.2 Main Control Valve Manipulator Operation
11.2.1 Boom Lift
11.2.2 Boom Max Height Kickout
11.2.3 Float
11.2.4 Bucket Retract
11.3 Steering Hydraulic System Schematics
11.4 Normal Steer
11.4.1 Neutral
11.4.2 Right Turn Steer
11.5 Emergency Steering Operation
11.5.1 Machine Operational with Engine Running
11.5.2 Machine Moving with Engine OFF
11.6 Hydraulic System Oil Tank and Filters
11.7 Hydraulic System Pump
11.7.1 Pump Removal
11.7.2 Pump Disassembly
11.7.3 Pump Inspection
11.7.4 Pump Assembly
11.7.5 Pump Delivery Flow Rate Test
11.8 Implement Control Valve
11.8.1 Control Valve Disassembly
11.8.2 Non-Return Valve
11.8.3 Backflow Valve
11.8.4 Multiple Valve
11.8.5 Overload Valve
11.8.6 Disassembled Components Inspection
11.8.7 Control Valve Unit Assembly
11.8.8 Adjusting Relief Valve Setting on Machine
11.8.9 Control Valve Unit Hydraulic Test on Bench
11.9 Pilot Control Pump
11.9.1 Inspection and Assembly
11.10 Pilot Control Pressure Regulating Valve
11.10.1 Inspection and Assembly
11.10.2 Valve Setting
11.11 Manipulator
11.11.1 Manipulator Disassembly
11.11.2 Inspection and Assembly
11.12 Bucket Control Cylinders
11.13 Boom Control Cylinders
11.14 Boom Articulation
11.14.1 Boom Removal
11.14.2 Bucket Inspection
11.14.3 Boom Articulation Linkage Disassembly
11.14.4 Cleaning and Inspection
11.14.5 Boom Linkage Articulations Assembly
11.15 Boom Kickout and Bucket Leveller
11.15.1 Sender Adjustments
11.16 Steering System
11.17 Specifications and Data
11.18 Tightening Torque Data

DESCRIPTION:

Fiatallis FR20B Wheel Loader (Hydraulics & Power Steering System)Service Manual – PDF DOWNLOAD

FN 60406442

• Study the Operation and Maintenance Instruction Manual before starting, operating, maintaining, fueling, or servicing machine.
• Read and heed all machine-mounted safety signs be fore starting, operating, maintaining, fueling or servicing machine.
• Machine-mounted safety signs have been color coded yellow with black borders and lettering for warning and red with white borders and lettering for danger points.
• Do not allow unauthorized personnel to service or maintain this machine. Do not perform any work on equipment that is not authorized. Follow the Maintenance and Service procedures. Study the Operation and Maintenance Instruction Manual before starting. operating, maintaining, fueling or servicing this ma- chine.
  Always wear safety glasses with side shields.
• Do not wear rings, wrist watches, jewelry, or loose or hanging apparel, such as ties, torn clothing, scarves, unbuttoned or unzipped jackets that can catch on moving parts. Wear proper safety equipment as authorized for the job. Examples: hard hats, safety shoes, heavy gloves, ear protectors, safety glasses or goggles. reflector vest, or respirators. Consult your employer for specific safety equipment requirements.
• Do not use controls or hoses as handholds when climbing on or off machine. Hoses and controls are movable and do not provide a solid support. Controls may also be inadvertently moved causing accidental machine or equipment movement.
• Do not jump on or off machine. Keep two hands and one foot, or two feet and one hand, in contact with steps and grab-rails and handles at all times.
• Machine should not be serviced with anyone in the operator’s seat unless they are qualified to operate the machine and are assisting in the servicing.
• Keep operator’s compartment, stepping points, grab- rails and handles clean of foreign objects, oil, grease, mud or snow accumulation to minimize the danger of slipping or stumbling. Clean mud or grease from shoes before attempting to mount or operate the machine. Never attempt to operate the machine or its tools from any other position than seated in the operator’s seat.  Keep operator’s compartment clear of loose objects.
• If movement of an attachment by means of the machine’s hydraulic system is required for service or maintenance, do not raise or lower attachments from any position other than when seated in the operator’s seat. Before starting machine or moving attachment or tool, make sure to set brakes, sound horn and call for an all clear.
• Raise attachment slowly Always block with external support any linkage, parts, or machine according to local or national requirements. Never allow anyone to walk under or be near unblocked raised equipment. Avoid working or walking un der raised blocked equipment unless you are assured

G.B 28/03/25