Bobcat 442 Mini Excavator - Workshop Manual / Repair Manual - Wiring Schematics

BOBCAT 442 - WORKSHOP, SERVICE, REPAIR MANUAL - WIRING SCHEMATICS

- English Workshop Manual and Wiring Schematics, for Mini Excavator Bobcat 442.
 

INDEX:

Contents

- Foreword
- Safety Instructions
- Fire Prevention
- Serial Number Locations
- Delivery Report
- Bobcat Excavator Identification


Safety And Maintenance

- Lifting And Blocking The Excavator
- Lifting The Excavator
- Operator Cab
- Transporting The Excavator
- Rear Cover
- Right Side Cover
- Service Schedule
- Air Cleaner
- Fresh Air Filter (S/N 522311001 & Above)
- Fresh Air Filter (S/N 528911001 & Above And S/N 528611001 & Above)
- Cooling System
- Fuel System
- Engine Lubrication System
- Hydraulic System
- Lubrication Of The Excavator
- Travel Motor
- Alternator Belt
- Fan/Fuel Pump Belt
- Air Conditioning Compressor Belt (S/N 522311001 & Above)
- Air Conditioning Compressor Belt (S/N 528911001 & Above And S/N 528611001 & Above)
- Cab Tilt Procedure


Hydraulic System

- Hydraulic / Hydrostatic Schematics
- Hydraulic System Information
- Boom Cylinder
- Arm Cylinder
- Boom Offset Cylinder
- Boom Offset Cylinder
- Bucket Cylinder
- Blade Cylinder
- Relief Valves
- Port Relief Valves
- Pressure Reducing Valve (S/N 528911001 & Above And 528611001 & Above)
- Pressure Reducing Valve (S/N 522311001 & Above)
- Dump Valve
- Six Spool Hydraulic Control Valve
- Three Spool Hydraulic Control Valve
- Hydraulic Piston Pump (S/N 522311001 & Above)
- Hydraulic Gear Pump (S/N 522311001 & Above)
- Hydraulic Piston Pump (S/N 528911001 & Above And S/N 528611001 & Above)
- Hydraulic Gear Pump (S/N 528911001 & Above And S/N 528611001 & Above)
- Accumulator (S/N 522311001 & Above)
- Accumulator (S/N 528911001 & Above And S/N 528611001 & Above)
- Travel Motor
- Swivel Joint
- Swing Motor
- Swing Motor Drive Carrier
- Swing Brake Valve
- Swing Brake Release Valve
- Joystick Control Pattern Selector Valve
- Joystick Lockout/Two Speed Valve (S/N 522311001 & Above)
- Joystick Lockout/Two Speed Valve (S/N 522311001 & Above) (Cont’d)
- Joystick Lockout/Two Speed Valve (S/N 528911001 & Above And S/N 528611001 & Above)
- Right Control Lever (Joystick)
- Left Control Lever (Joystick)
- Travel Lever/Foot Pedal Valve
- Hydraulic Filter Mount
- Hydraulic Reservoir
- Oil Cooler
- Secondary Front Auxiliary Valve
- Hydraulic Breaker Application Valve (S/N 522311001 & Above)
- Auxiliary Hydraulic Flow Control Valve (S/ N 522311001 & Above)
- Auxiliary Hydraulic Flow Control/ Hydraulic Breaker Application Valve (S/N 528911001 & Above And S/N 528611001 & Above)
- Auxiliary Hydraulic Flow Control/Hydraulic Breaker Application Valve (S/N 528911001 & Above And S/N 528611001 & Above) (Cont’d)
- Blade Valve
- Blade Float Valve
- Boom Offset Valve
- Boom Load Holding Valve
- Oil Temperature Regulator
- Auxiliary Hydraulics Selector Valve
- Hydraulic Piston Pump Drive Coupler


Undercarriage

- Blade
- Tracks
- Track Frame
- Track Idler
- Upper Track Roller
- Lower Track Roller
- Grease Cylinder
- Track Damage Identification


Upperstructure & Swing Section

- Upperstructure
- Cab
- Seat And Seat Mount
- Right Console
- Left Console
- Engine Speed Control
- Control Levers
- Fuel Tank
- Horn
- Swing Frame
- Floor Mat
- Boom
- Arm
- Bucket
- Rear Cover
- Right Side Cover
- Counterweight


Electrical System And Analysis

- Electrical Schematics
- Electrical System Information
- Battery
- Alternator
- Starter
- Starter (S/N 528911001 & Above & S/N 528611001 & Above)
- Front Cab Light
- Two Speed Switch
- Fuel Level Sender
- Wiper Motor
- Battery Disconnect Switch
- Instrument Panel


Engine Service

- Troubleshooting
- Muffler (S/N 522311001 & Above)
- Muffler (S/N 528911001 & Above And S/N 528611001 & Above)
- Air Cleaner
- Radiator/Oil Cooler (S/N 522311001 & Above)
- Radiator/Oil Cooler (S/N 528911001 & Above And S/N 528611001 & Above)
- Engine Components And Testing (S/N 522311001 & Above)
- Engine Components And Testing (S/N 528911001 & Above And S/N 528611001 & Above)
- Engine (S/N 522311001 & Above)
- Engine (S/N 528911001 & Above And S/N 528611001 & Above)
- Flywheel (S/N 522311001 & Above)
- Flywheel (S/N 528911001 & Above And S/N 528611001 & Above)
- Reconditioning The Engine (S/N 522311001 & Above)
- Reconditioning The Engine (S/N 528911001 & Above And S/N 528611001 & Above)


Heating, Ventilation, Air Conditioning

- Evaporator/Heater Unit (S/N 522311001 & Above)
- Evaporator/Heater Unit (S/N 528911001 & Above And 528611001 & Above)
- Heater/Ac Fan
- Heater Valve
- Air Conditioning System Flow
- Components (S/N 522311001 & Above)
- Components (S/N 528911001 & Above And 52864001 & Above)
- Safety
- Regular Maintenance
- Basic Troubleshooting
- General Air Conditioning Service Guidelines
- System Troubleshooting Chart
- Temperature/Pressure
- Air Conditioning Service
- System Charging And Reclamation
- Compressor (S/N 522311001 & Above)
- Compressor (S/N 528911001 & Above And S/N 528611001 & Above)
- Condenser (S/N 522311001 & Above)
- Condensor (S/N 528911001 & Above And S/N 528611001 & Above)
- Receiver/Dryer (S/N 522311001 & Above)
- Receiver/Dryer (S/N 528911001 & Above And 528611001 & Above))
- Pressure Switch (S/N 522311001 & Above)
- Pressure Switch (S/N 528911001 & Above And 528611001 & Above)
- Heater Coil/Evaporator
- Thermostat
- Expansion Valve
- Upgraded Air Conditioning System


Specifications

- Hydraulic Excavator Specifications
- Engine Specifications (S/N 522311001 & Above)
- Engine Specifications (S/N 522311001 & Above) (Cont’d)
- Engine Specifications (S/N 528911001 & Above And S/N 528611001 & Above)
- Engine Specifications (S/N 528911001 & Above And S/N 528611001 & Above) (Cont’d)
- Engine Specifications (S/N 528911001 & Above And S/N 528611001 & Above) (Cont’d)
- Engine Specifications (S/N 528911001 & Above And S/N 528611001 & Above) (Cont’d)
- Engine Bolt Torque (S/N 522311001 & Above)
- Engine Bolt Torque (S/N 528911001 & Above And S/N 528611001 & Above)
- Excavator Bolt Torque
- Torque Specifications For Bolts
- Hydraulic Fluid Specifications
- Fuel, Coolant And Lubricants
- Conversions


SMR

- 442-1
- 442-2
- 442-3
- 442-4
- 442-5
- 442-6
- 442-7