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Bobcat 331 - Service Manual

Bobcat 331
110 pages
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331 – S/N 232511001 & Above
331E – S/N 232711001 & Above
334 – S/N 232611001 & Above
(D Series)
331
Operation
&
Maintenance
Manual
6901957 (2–03) Revised (5–03) (3) Printed in U.S.A. Bobcat Company 2003
334
331E
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Summary

Operator Safety Warnings

Safety Alert Symbol

Explains the meaning of the safety alert symbol.

General Safety Precautions

Covers various safety tips for operating the machine.

Safety Equipment

Lists essential safety equipment for the operator.

Regular Maintenance Items

Foreword

Serial Number Locations

Delivery Report

Bobcat Excavator Identification

Features and Accessories

Safety

Safety Instructions

Provides essential safety instructions for operators.

Before Operating the Bobcat Compact Excavator

Details pre-operation checks and safety requirements.

Fire Prevention

Outlines procedures and precautions for preventing fires.

Machine Signs (Decals)

Explains the importance and location of machine signs.

Operating Instructions

Attachments (Using The X-Change System)

Instructions for using the X-Change system for attachments.

Blade Control Lever

Operation of the blade control lever.

Boom Swing Pedal

Operation of the boom swing pedal.

Cab, Operator (ROPS; TOPS) (If Equipped)

Details about the operator cab and its features.

Canopy Enclosure

Information on the vinyl canopy enclosure kit.

Daily Inspection

Daily checks to perform before operating the excavator.

Engine Speed Control

How to control engine speed.

Falling Object Guards (FOGS)

Information about Falling Object Guards.

Hydraulic Controls

Explains the operation of hydraulic controls and patterns.

Instruments and Consoles

Details the various instruments and console functions.

Lifting the Excavator

Procedures for lifting the excavator.

Operating Procedure

General operating procedures for various tasks.

Parking the Excavator

Steps for safely parking the excavator.

Pre-Starting Procedure

Steps to follow before starting the engine.

Starting the Engine

Procedures for starting the engine.

Steering Levers; Foot Pedals

Operation of steering levers and foot pedals.

Slew Lock

Operation and purpose of the slew lock.

Tailgate

Procedures for opening and closing the tailgate.

Transporting the Excavator

Guidelines for transporting the excavator.

Two-Speed Travel

Operation of the two-speed travel system.

Instruments and Consoles

Explains the function of various instruments and console controls.

Instruments and Consoles (Cont’d)

Further details on instruments and console functions.

Instruments and Consoles (Cont’d)

Details function icons and their meanings.

Instruments and Consoles (Cont’d)

Covers console operation, two-speed travel, and tailgate.

Operator Canopy (ROPS; TOPS)

Falling Object Guards (FOGS)

Canopy Enclosure

Slew Lock

Operator Cab (ROPS; TOPS) (If Equipped)

Front Window (Cont’d)

Procedures for opening and closing the front window.

Cab Door

Front Window

Steering Levers; Foot Pedals

Hydraulic Controls

Hydraulic Controls (Cont’d)

Details Standard control patterns for hydraulics.

Hydraulic Controls (Cont’d)

Covers quick couplers, auxiliary hydraulics, and relieving pressure.

Hydraulic Controls (Cont’d)

Explains two-way/one-way flow, blade control, and boom swing.

Daily Inspection

Pre-Starting Procedure

Pre-Starting Procedure (Cont’d)

Final steps for pre-starting, including seat belt and console.

Starting the Engine

Starting the Engine

Procedures for starting the engine using the keyless controller.

Starting the Engine (Cont’d)

Cold temperature starting and other engine starting notes.

Attachments (Using the X-Change System)

Attachments (Using the X-Change System) (Cont’d)

Procedures for installing buckets or attachments.

Operating Procedure

Operating On Public Roads

Guidelines for operating the excavator on public roads.

Lifting A Load

Procedures for lifting loads with the excavator.

Operating Procedure (Cont’d)

Steps for excavating with the machine.

Operating Procedure (Cont’d)

Details on excavating and boom offset techniques.

Operating Procedure (Cont’d)

Covers boom offset, backfilling, and driving the excavator.

Operating Procedure (Cont’d)

Guidelines for operating on slopes.

Operating Procedure (Cont’d)

Further details on operating on slopes and in water.

Operating Procedures (Cont’d)

Instructions for extending the arm and parking the excavator.

Transporting the Excavator

Lifting the Excavator

Preventive Maintenance

Maintenance Safety

Service Schedule

Tailgate

Air Cleaner

Air Cleaner Service (Cont’d)

Details on outer and inner filter replacement and cleaning.

Belt Adjustment

Fuel System

Fuel System (Cont’d)

Procedures for removing water and air from the fuel system.

Engine Lubrication System

Cooling System

Cooling System (Cont’d)

Procedure for replacing the coolant.

Electrical System

Electrical System (Cont’d)

Instructions for using a booster battery for jump starting.

Electrical System (Cont’d)

Procedures for removing and installing the battery.

Hydraulic System

Hydraulic System (Cont’d)

Procedure for replacing the hydraulic oil.

Hydraulic System (Cont’d)

Procedures for replacing the hydraulic and case drain filters.

Hydraulic System (Cont’d)

Information on diagnostic couplers.

Spark Arrestor Muffler (If Equipped)

Track Tension

Track Tension (Cont’d)

Adjustment procedures for track tension.

Travel Motor

Lubrication of the Hydraulic Excavator

Lubrication of the Hydraulic Excavator (Cont’d)

Continues lubrication points for various components.

System Setup and Analysis

331 Excavator Specifications

331 E Excavator Specifications

334 Excavator Specifications

Excavator Specifications

331 Lifting Capacity

Load capacity chart for the 331 Excavator model.

331 E Lifting Capacity

Load capacity chart for the 331E Excavator model.

334 Lifting Capacity

Load capacity chart for the 334 Excavator model.

Fuel, Coolant and Lubricants Chart

Bobcat Approved Attachments & Accessories

Warranty

Bobcat 331 Specifications

General IconGeneral
BrandBobcat
Model331
CategoryExcavators
LanguageEnglish