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Bobcat S850 - Service Manual

Bobcat S850
210 pages
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6987478enUS (09-16) (R) Printed in U.S.A. © Bobcat Company 2016. All rights reserved.
NA T3
Operation & Maintenance Manual
S850 Skid-Steer Loader
S/N ACS711001 & Above
EQUIPPED WITH
BOBCAT INTERLOCK
CONTROL SYSTEM (BICS™)
1 of 210
Dealer Copy -- Not for Resale

Table of Contents

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Do you have a question about the Bobcat S850 and is the answer not in the manual?

Summary

Operator Safety Warnings

Safety Alert Symbol

Explains the safety alert symbol used to indicate warnings and alerts.

Safety Equipment Checklist

Lists essential safety items required for the Bobcat loader's safe operation.

Reference Information

Bobcat Company ISO 9001 Certification

Details Bobcat Company's certification for quality management systems.

Regular Maintenance Items

Lists regular maintenance items for the Bobcat loader.

Foreword and Initial Information

Serial Number Locations

Provides information on where to find the loader and engine serial numbers.

Delivery Report

Explains the purpose and content of the loader's delivery report.

Loader Identification

Identifies key components and features of the Bobcat loader.

Features, Accessories and Attachments

Lists standard equipment, optional accessories, and available attachments.

Regular Maintenance Items

California Proposition 65 Warning

Provides a warning regarding cancer, birth defects, and reproductive harm from diesel exhaust.

Serial Number Locations

Loader Serial Number

Details the location of the loader serial number plate.

Engine Serial Number

Details the location of the engine serial number.

Delivery Report

Loader Identification

Features, Accessories and Attachments

Standard Items

Lists the standard features equipped on Bobcat S850 loaders.

Options and Accessories

Lists available optional equipment and accessories for Bobcat loaders.

Attachment Details

Attachments List

Provides a comprehensive list of approved attachments for the Bobcat loader.

Buckets Available

Describes various styles and capacities of buckets for different applications.

High-Flow Attachments

Lists attachments approved for use on High-Flow machines.

Special Applications Kit Information

Special Applications Kit

Describes a kit for operator protection against flying debris in cab openings.

Special Applications Kit Inspection and Maintenance

Provides inspection and maintenance guidelines for the Special Applications Kit.

Cab Door and Window Kits

Forestry Door and Window Kit

Details the Forestry Door and Window Kit for debris protection.

Forestry Door and Window Kit Inspection and Maintenance

Provides inspection and maintenance for the Forestry Door and Window Kit.

Forestry Door Emergency Exit

Explains how to use the emergency exit feature of the forestry door.

Safety and Training Resources

Safety Instructions

Provides essential safety instructions before operating the machine.

Fire Prevention

Details fire prevention measures for maintenance, operation, and electrical systems.

Publications and Training Resources

Lists available manuals, training materials, and videos for Bobcat loaders.

Machine Signs (Decals)

Explains the importance and use of machine signs and decals.

Safety Instructions Details

Before Operation Safety

Details safety precautions to take before operating the Bobcat loader.

Call Before You Dig Safety Note

Provides information on calling utility locating services before digging.

Operator Safety Responsibility and Qualifications

Operator Responsibility

Outlines the operator's responsibility for safe machine operation.

Qualified Operator Requirements

Specifies requirements for a qualified operator, including health and training.

Work Conditions Awareness

Emphasizes knowing work conditions, load limits, and potential hazards.

Safety and Fire Prevention Details

Silica Dust Hazard Awareness

Warns about the hazards of silica dust and necessary precautions.

Fire Prevention: Maintenance

Details fire prevention measures during machine maintenance.

Fire Prevention: Operation

Details fire prevention measures during machine operation.

Fire Prevention: Electrical

Details fire prevention measures related to the electrical system.

Fire Prevention Procedures

Fire Prevention: Hydraulic System

Details fire prevention measures for the hydraulic system.

Fire Prevention: Fueling

Details fire prevention measures during fueling operations.

Fire Prevention: Starting

Details fire prevention measures when starting the engine.

Fire Prevention: Exhaust System

Details fire prevention measures for the spark arrester exhaust system.

Fire Prevention: Welding and Grinding

Details fire prevention measures for welding and grinding operations.

Fire Extinguishers

Provides information on the location and use of fire extinguishers.

Publications and Training Resources

Manuals and Handbooks

Lists available manuals and handbooks for the Bobcat loader.

Training Materials

Lists available training courses, DVDs, and videos for Bobcat loaders.

Machine Signs (Decals)

Pictorial Safety Signs

Operating Instructions Overview

Intended Use of the Loader

Describes the intended use and applications of the Bobcat loader.

Instrument Panel Identification

Identifies and describes the components of the instrument panel.

Control Identification

Identifies and describes the loader's control configurations (SCPA and SJC).

Operator Cab Features

Describes the features and components of the operator cab.

Seat Bar Restraint System

Explains the operation and function of the seat bar restraint system.

Bobcat Interlock Control System (BICS)

Explains the operation and function of the Bobcat Interlock Control System.

Lift Arm Bypass Control

Describes the operation of the lift arm bypass control.

Parking Brake Operation

Explains the operation of the parking brake system.

Traction Lock Override

Describes the operation of the traction lock override function.

Engine Speed Control

Describes the operation of the engine speed control.

Operating Procedures and Systems

Emergency Exit Procedures

Details procedures for exiting the loader in an emergency.

Back-Up Alarm System Operation

Explains the operation of the back-up alarm system.

Driving and Steering the Loader

Provides instructions for driving and steering the loader with different control configurations.

Stopping the Loader

Explains how to safely stop the Bobcat loader.

Two-Speed Control Operation

Describes the operation of the two-speed control system.

Speed Management Operation

Explains the operation and adjustment of the speed management feature.

Drive Response Settings

Describes the different drive response settings and their effects.

Steering Drift Compensation

Explains how to adjust steering drift compensation for optimal performance.

Lift and Tilt Compensation

Describes how to adjust lift and tilt control sensitivity for preference.

Operating Procedures and Adjustments

Hydraulic Controls Overview

Describes the hydraulic controls for lift, tilt, and auxiliary functions.

Attachment Control Device (ACD)

Explains the function and operation of the Attachment Control Device.

Daily Inspection and Maintenance

Details the daily inspection and maintenance checklist for the loader.

Pre-Starting Procedure

Provides step-by-step procedures to perform before starting the loader.

Seat Adjustment

Explains how to adjust the operator's seat for comfort and proper operation.

Steering Handle;Joystick Position Adjustment

Describes how to adjust the steering handle or joystick position.

Seat Belt Adjustment

Explains how to adjust the seat belt for proper fit and safety.

Seat Bar System Operation

Explains the operation and function of the seat bar restraint system.

Starting the Engine

Standard Key Panel Starting

Details the procedure for starting the engine using the standard key panel.

Keyless Start Panel Starting

Details the procedure for starting the engine using the keyless start panel.

Deluxe Instrumentation Panel Starting

Details the procedure for starting the engine with the deluxe instrumentation panel.

Cold Temperature Starting

Provides procedures for starting the engine in cold temperatures.

Warming Hydraulic;Hydrostatic System

Explains the procedure for warming the hydraulic/hydrostatic system.

Monitoring Display Panels

Left Panel Monitoring

Describes how to monitor the left instrument panel for machine condition.

Warning and Shutdown Indicators

Explains the warning and shutdown icons and their meanings.

Stopping the Engine and Leaving the Loader

Procedure for Stopping and Leaving

Provides the step-by-step procedure for stopping the engine and leaving the loader.

Counterweights Information

Counterweight Description

Describes the function and installation of counterweights.

Counterweight Effects on Loader Operation

Explains how counterweights affect loader operation and performance.

Using Counterweights Guidance

Provides guidance on when to consider using counterweights.

Removing Counterweights Guidance

Provides guidance on when to consider removing counterweights.

Accessories Affecting Machine Weight

Discusses accessories that may affect the machine's weight.

Attachments Overview

Choosing the Correct Bucket

Provides guidance on selecting the correct bucket for the application.

Pallet Fork Usage

Provides information on using and inspecting pallet forks.

Installing and Removing Attachments (Hand Lever Bob-Tach)

Installing and Removing Attachments (Power Bob-Tach)

Operating Procedure

Work Area Inspection

Details steps for inspecting the work area before operation.

Basic Operating Instructions

Provides fundamental instructions for operating the Bobcat loader.

Operating Near Edges or Water

Provides safety guidelines for operating near edges or water.

Driving on Public Roads

Details regulations and requirements for driving on public roads.

Operating with Loads on Slopes

Operating with Full Bucket on Slopes

Provides guidance for operating with a full bucket on slopes.

Operating with Empty Bucket on Slopes

Provides guidance for operating with an empty bucket on slopes.

Towing and Lifting the Loader

Towing the Loader Procedure

Explains the procedure for towing the Bobcat loader.

Single-Point Lift Method

Describes the procedure for lifting the loader using a single-point lift.

Lifting the Loader - Four-Point Lift

Transporting the Loader on a Trailer

Loading and Unloading Procedures

Details the procedures for loading and unloading the loader onto a trailer.

Fastening the Loader on Trailer

Explains how to securely fasten the loader to the transport vehicle.

Preventive Maintenance Overview

Maintenance Safety Precautions

Outlines safety precautions to be taken during maintenance.

Service Schedule

Provides a schedule for regular maintenance tasks and intervals.

Bobcat Interlock Control System (BICS) Maintenance

Details inspection and maintenance procedures for the BICS system.

Seat Bar Restraint System Maintenance

Describes inspection and maintenance for the seat bar restraint system.

Seat Belt Inspection and Maintenance

Provides guidelines for inspecting and maintaining the seat belt system.

Lift Arm Support Device Maintenance

Details installation and removal procedures for the lift arm support device.

Back-Up Alarm System Maintenance

Describes inspection procedures for the back-up alarm system.

Operator Cab Maintenance

Provides details on checking and maintaining the operator cab.

Rear Door (Tailgate) Maintenance

Explains how to open, close, and adjust the rear door (tailgate).

Rear Grille Maintenance

Provides instructions for removing and installing the rear grille.

Heating, Ventilation, and Air Conditioning (HVAC)

HVAC Cleaning and Maintenance

Details regular inspection and maintenance for HVAC systems.

HVAC Filters

Provides instructions for servicing fresh air and recirculation filters.

Fresh Air Filters

Details the location and cleaning of fresh air filters.

Recirculation Filter

Provides instructions for replacing recirculation filters for earlier and later models.

Evaporator; Heater Coil Maintenance

Details the service interval and cleaning procedures for the evaporator/heater coil.

Condenser Cleaning

Provides instructions for cleaning the condenser.

Air Conditioning Lubrication

Explains the procedure for lubricating internal AC components.

HVAC Troubleshooting

Provides troubleshooting steps for common HVAC system issues.

Air Cleaner Service

Details the procedure for servicing the air cleaner system.

Replacing Air Cleaner Filter Elements

Provides instructions for replacing outer and inner air cleaner filter elements.

Air Cleaner Filter Replacement Details

Outer Filter Replacement

Details the process for replacing the outer air cleaner filter element.

Inner Filter Replacement

Details the process for replacing the inner air cleaner filter element.

Fuel System

Fuel Specifications

Provides fuel specifications and recommendations for diesel and biodiesel fuels.

Biodiesel Blend Fuel Guidelines

Offers guidelines and considerations for using biodiesel blend fuel.

Filling the Fuel Tank

Details the safe procedure for filling the fuel tank.

Fuel Filter Maintenance

Provides instructions for fuel filter maintenance and water removal.

Removing Air from Fuel System

Describes the procedure for removing air from the fuel system.

Engine Lubrication System

Checking and Adding Engine Oil

Details the procedure for checking and adding engine oil.

Engine Oil Chart

Provides SAE viscosity recommendations for engine oil based on temperature.

Removing and Replacing Oil and Filter

Provides instructions for removing and replacing engine oil and filter.

Engine Cooling System

Maintenance Platform Access

Describes the availability of a maintenance platform for easier access.

Cooling System Identification

Helps identify the cooling system type for correct cleaning procedure.

Cleaning Cooling System (Earlier Models)

Provides cleaning instructions for earlier model cooling systems.

Cleaning Cooling System (Later Models)

Provides cleaning instructions for later model cooling systems.

Cooling System Checks and Service

Checking Coolant Level

Details how to check the engine coolant level.

Removing and Replacing Coolant

Provides instructions for removing and replacing engine coolant.

Electrical System

Fuse and Relay Location;Identification

Details the location and identification of fuses and relays in the electrical system.

Earlier Models Fuse;Relay Locations

Shows fuse and relay panel locations for earlier models.

Later Models Fuse;Relay Locations

Shows fuse and relay panel locations for later models.

Battery Maintenance

Provides instructions for battery maintenance and care.

Jump Starting Procedure

Details the correct procedure for jump starting the loader battery.

Battery Removal and Installation

Provides instructions for safely removing and installing the loader battery.

Hydraulic; Hydrostatic System

Checking and Adding Hydraulic Fluid

Details the procedure for checking and adding hydraulic/hydrostatic fluid.

Hydraulic;Hydrostatic Fluid Chart

Provides recommended ISO viscosity grades for hydraulic fluid.

Removing and Replacing Hydraulic Fluid

Provides instructions for removing and replacing hydraulic fluid.

Hydraulic;Hydrostatic Filter Identification

Helps identify the hydraulic/hydrostatic filter for correct replacement.

Hydraulic;Hydrostatic Filter Replacement (Earlier Models)

Provides instructions for replacing hydraulic/hydrostatic filters on earlier models.

Hydraulic;Hydrostatic Filter Replacement (Later Models)

Provides instructions for replacing hydraulic/hydrostatic filters on later models.

Hydraulic Charge Filter Replacement

Provides instructions for replacing the hydraulic charge filter.

Breather Cap Maintenance

Details the replacement interval for the breather cap.

Spark Arrester Muffler Cleaning

Spark Arrester Muffler Cleaning Procedure

Details the procedure for cleaning the spark arrester muffler.

Tire Maintenance

Wheel Nut Maintenance

Provides instructions for checking and tightening wheel nuts.

Tire Rotation

Explains the procedure for rotating tires to ensure even wear.

Tire Mounting Procedures

Details the proper procedures and safety precautions for mounting tires.

Final Drive Transmission (Chaincase)

Chaincase Oil: Checking and Adding

Details how to check and add oil to the final drive transmission chaincase.

Chaincase Oil: Removing and Replacing

Provides instructions for removing and replacing chaincase oil.

Alternator Belt Maintenance

Alternator Belt Adjustment

Explains that the alternator belt does not require periodic adjustment.

Alternator Belt Replacement

Details the procedure for replacing the alternator belt.

Air Conditioning Belt Maintenance

Air Conditioning Belt Adjustment

Explains that the AC belt does not require periodic adjustment.

Air Conditioning Belt Replacement

Details the procedure for replacing the air conditioning belt.

Drive Belt Maintenance

Drive Belt Adjustment

Explains that the drive belt does not require adjustment due to a spring-loaded idler.

Drive Belt Stop Adjustment

Details the critical stop adjustment procedure for long belt life.

Drive Belt Replacement

Details the procedure for replacing the drive belt.

Automatic Ride Control Accumulator

Checking Accumulator Charge

Explains the need to check the accumulator charge for ride control effectiveness.

Lubricating the Loader

Lubrication Locations

Lists all lubrication points on the Bobcat loader.

Pivot Pins Inspection and Maintenance

Bob-Tach (Hand Lever) Inspection and Maintenance

Bob-Tach (Power) Inspection and Maintenance

Loader Storage and Return to Service

Loader Storage Procedures

Provides a list of items to perform before storing the loader for an extended period.

Return to Service Procedures

Lists items to follow to return the loader to service after storage.

System Setup and Analysis

Diagnostic Service Codes

Explains diagnostic service codes used for machine diagnostics.

Viewing Service Codes

Describes how to view diagnostic service codes on the display.

Service Codes List

Provides a comprehensive list of diagnostic service codes and their meanings.

Control Panel Setup

Details the setup procedures for the control panel.

Right Panel Setup (Deluxe Instrumentation Panel)

Provides setup instructions for the deluxe instrumentation panel.

Password Setup (Keyless Start Panel)

Details password setup procedures for the keyless start panel.

Password Setup (Deluxe Instrumentation Panel)

Details password setup procedures for the deluxe instrumentation panel.

Maintenance Clock

Explains the maintenance clock alerts and functions.

Maintenance Clock Description

Describes the function of the maintenance clock.

Maintenance Clock Setup

Provides instructions for setting up the maintenance clock.

Maintenance Clock Reset

Explains how to reset the maintenance clock.

Machine Sign Translations

Service Schedule (7242070)

Provides translations for the service schedule decal.

Warning Decal Translations

Translates various warning decals into multiple languages.

Danger Decal Translations

Translates various danger decals into multiple languages.

Lift Arm Support Device Decal

Provides translations for the lift arm support device decal.

Other Warning Decals

Translates additional warning decals into multiple languages.

Specifications

S850 Loader Specifications

Provides detailed specifications for the Bobcat S850 loader.

Machine Dimensions

Lists the overall dimensions of the Bobcat S850 loader.

Performance Specifications

Details the performance specifications of the Bobcat S850 loader.

Engine Specifications

Provides detailed specifications for the Bobcat loader's engine.

Drive System Specifications

Details the specifications of the Bobcat loader's drive system.

Control Specifications

Provides specifications for the loader's control systems.

Hydraulic System Specifications

Details the specifications of the Bobcat loader's hydraulic system.

Electrical System Specifications

Provides specifications for the loader's electrical system.

Capacities

Lists the fluid capacities for various systems of the loader.

Tire Specifications

Provides specifications for the loader's tires, including recommended pressure.

Warranty Information

Warranty Details

Kubota Corporation Emission Warranty

Details the Federal and California Emission Control Systems Limited Warranty for engines.

Bobcat S850 Specifications

General IconGeneral
Engine MakeKubota
Net Power92 hp
Rated Operating Capacity3, 950 lbs
Hydraulic Pump Capacity23 gal/min
Hydraulic System Flow23 gal/min
Tire Options12 x 16.5, 14 x 17.5
Height to Bucket Hinge Pin144 in

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