Bobcat 444 Shop Manual-21416B330014.pdf
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OPERATOR SAFETY WARNINGS

CONTENTS

	REFERENCE INFORMATION

FOREWORD

	Bobcat Company is ISO 9001:2000 certified

	Items needed for regular maintenance

	Serial number locations

		Bobcat excavator serial number

		Engine Serial Number

	Delivery report

	Bobcat excavator identification

		Excavator 444

	Features and accessories

		Standard items

		Options and accessories

			Options

			Attachments

SAFETY INSTRUCTIONS

	Table of contents

	Safety instructions

		Safe operation is the operator�s responsibility

		Before operating the Bobcat excavator

	Safe operation needs a qualified operator

		A qualified operator must do the following

			Understand the written instructions, rules and regulations

			Have training with actual operation

			Know the work conditions

	Fire prevention

OPERATING INSTRUCTIONS

	Table of contents

	Pictograms

	Controls and instrumentation

		Left control lever

			Figure5

			Figure6

			Figure7

		Left console

			Figure8

		Right control lever

			Figure9

			Figure10

			Figure11

		Right console

			Figure12

			Figure13

			Figure14

			Figure15

		Steering levers 

			Forward and reverse travel

				Figure16

			Turning

				Figure17

				Figure18

				Figure19

				Figure20

				Figure21

				Figure22

		Blade control lever

			Figure23

			Figure24

		Boom swing pedal

			Figure25

	Operator cab

		Description

		Entering And Exiting The Excavator

			Figure26

		Raising and lowering the left console

			Figure27

		Emergency exits

			Right side window

				Figure28

				Figure29

			Cab door

				Figure30

			Front window

				Figure31

				Figure32

				Figure33

				Figure34

				Figure35

				Figure36

				Figure37

		Front window ventilation

			Figure38

		Top window

			Sun shade

				Figure39

				Figure40

		Wiper

			Figure41

		Heating, air conditioning (option) and ventilation

			Cab fresh air vent

				Figure42

			Vents

				Figure43

				Figure44

				Figure45

	Changing work attachments

		General

		Procedure for changing work attachments

			Figure46

		Clamshell grab bucket

			Attaching the clamshell grab bucket

				Figure47

				Figure48

			Operating the clamshell grab bucket

				Figure49

				Figure50

				Figure51

				Figure52

				Figure53

		Attaching the rock breaker

			Figure54

			Figure55

		Auxiliary hydraulic flow adjustment

			Figure56

			Figure57

			Figure58

			Figure59

		Relieving hydraulic pressure

			Figure60

			Figure61

	Daily inspection

		Figure62

	Pre-starting procedure

		Figure63

		Figure64

		Figure65

		Figure66

		Figure67

		Figure68

		Figure69

		Figure70

		Figure71

		Figure72

	Starting the engine

		Key switch

			Figure73

			Figure74

			Figure75

			Figure76

		Cold temperature starting procedure

			Figure77

			Figure78

	Operating procedure

		Rated Operating Capacity

			Figure79

		Operating on public roads

		Lifting a load

			Figure80

		Excavating

			Figure81

			Figure82

			Figure83

			Figure84

			Figure85

		Boom offset

			Figure86

			Figure87

			Figure88

			Figure89

		Backfilling

			Figure90

		Driving the excavator

			Figure91

			Figure92

		Operating on slopes

			Figure93

			Figure94

			Figure95

			Figure96

			Figure97

		Operating in water

			Figure98

		Parking the excavator

			Figure99

	Recovery and transport of the machine

		Recovery of the machine

			Figure100

		Lifting the machine

			Figure101

		Transport of the machine

			Figure102

PREVENTIVE MAINTENANCE

	Table of contents

	Maintenance safety

	Servicing schedule

		Chart

	Rear cover

		Opening and closing the rear cover

			Figure103

	Right side cover

		Opening And Closing The Right Side Cover

			Figure104

	Air cleaner

		Daily check

			Figure105

			Figure106

		Replacing the filters

			Outer filter

				Figure107

			Inner Filter

				Figure108

	Fresh Air Filter

		Figure109

		Figure110

		Figure111

	Fuel system

		Fuel specifications

		Filling the fuel tank

			Figure112

			Figure113

		Removing Water From The Pre-Filter

			Figure114

		Pre-Filter Removal

			Figure115

			Figure116

			Figure117

		Pre-Filter Installation

			Figure118

			Figure119

		Fuel Filter Removal And Installation

			Figure120

		Draining The Fuel Tank

			Figure121

			Figure122

			Figure123

	Engine lubrication system

		Checking engine oil

			Figure124

		Oil Chart

			Figure125

		Replacing Oil And Filter

			Figure126

			Figure127

			Figure128

			Figure129

	Cooling system

		Cleaning The Cooling System

			Figure130

			Figure131

		Replacing The Coolant

			Figure132

			Figure133

			Figure134

	Electrical system

		Description

			Figure135

			Figure136

		Fuse And Relay Location

			Figure137

			Figure138

			Figure139

			Figure140

			Figure141

		Using A Booster Battery (Jump Starting)

			Figure142

			Figure143

			Figure144

		Removing And Installing The Battery

			Figure145

			Figure146

			Figure147

	Alternator belt

		Adjusting Belt Tension

			Figure148

	Fan 

		Adjusting Belt Tension

			Figure149

			Figure150

	Air conditioning compressor belt

		Adjusting Belt Tension

			Figure151

			Figure152

	Hydraulic system

		Checking And Adding Hydraulic Oil

			Figure153

			Figure154

		Replacing The Hydraulic Oil

			Figure155

			Figure156

		Hydraulic Filter Removal

			Figure157

			Figure158

			Figure159

		Hydraulic Filter Installation

			Figure160

			Figure161

			Figure162

			Figure163

			Figure164

		Diagnostic Couplers

			Figure165

			Figure166

			Figure167

	Track tension

		Rubber Track Clearance

			Figure168

			Figure169

			Figure170

		Steel Track Clearance

			Figure171

		Adjustment

			Figure172

			Figure173

			Figure174

			Figure175

			Figure176

			Figure177

			Figure178

	Track shoes (steel track)

		Replacement

			Figure179

	Travel motor

		Checking Oil Level

			Figure180

		Draining The Travel Motor

			Figure181

	Lubrication of the hydraulic excavator

		Overview of lubricating points

			Figure182

			Lubricate the following locations on the Hydraulic Excavator EVERY 8-10 HOURS:

				Figure183

				Figure184

				Figure185

				Figure186

				Figure187

				Figure188

				Figure189

				Figure190

				Figure191

				Figure192

				Figure193

			Lubricate the following locations on the Hydraulic Excavator EVERY 50 HOURS:

				Figure194

				Figure195

				Figure196

	Lubrication of attachments

		Swing Bucket Lubrication

			Lubricate the following locations EVERY 8-10 HOURS:

				Figure197

				Figure198

		Clamshell Bucket Lubrication

			Overview

				Figure199

			Lubricate the following locations EVERY 8-10 HOURS:

				Figure200

				Figure201

				Figure202

SPECIFICATIONS

	Table of contents

	Specifications

		Excavator Machine Dimensions

			Figure203

			Figure204

		Working diagrams

			Standard boom and standard dipperstick

				Figure205

			Standard boom and long dipperstick (option)

				Figure206

			Articulated boom (option) and standard dipperstick

				Figure207

		Rated Operating Capacity

			Figure208

			Along undercarriage, supported by dozer blade

			Along undercarriage, moving

			Across undercarriage, supported by dozer blade

			Across undercarriage, moving

		Performance

		Function Time

		Weights

		Engine

		Electrical system

		Hydraulic system

		Hydraulic Cylinders

		Slew System

		Drive System

		Traction

		Brakes

		Fluid Capacities

		Fluid Specifications

		Controls

		Instrumentation

		Serviceability

		Environmental

		Safety



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