Drott 120C Excavator Service Manual

$51.46 $24.99

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SKU: OM-0204 Categories: , Tags: ,
  • Covers Drott 120C Crawler Excavator
  • 186 pages
  • Downloadable PDF format
  • 31mb
  • Works with Windows and Mac computers

The Drott 120C Excavator Service Manual includes specifications, step-by-step instructions and accurate illustrations to aid mechanics with any mechanical, electrical or hydraulic repairs. The complete service manual was carefully reproduced from the original dealer manual and is a must for mechanics repairing or rebuilding their Drott 120C Excavator to the manufacturer’s standards. This service manual is also referred to as the shop manual or repair manual. View the service manual on your computer or print off pages as needed.

The topics included in the Drott 120C Excavator Service Manual are listed below

Note: Detroit V-71 engine repair manual sold separately.

GENERAL INFORMATION
Safety Precautions
Introduction
Nomenclature and Machine General Description
Directional Reference
Parts and Service

SCHEDULED PREVENTIVE MAINTENANCE
Lubricant and Fluid Recommendations
Component Capacities
Pressure Settings
Maintenance Schedule
Service Chart
Pictorial Listing of Grease Fitting Locations

UNDERCARRIAGE
Description, Maintenance and Troubleshooting
Carbody and Turntable Bearing
Track Assemblies
Track Drive Assemblies
Disassembly and Repair
General Cleaning Instructions
Upper Track Rollers
Lower Track Rollers
Idler Wheel Assembly
Digging Brake
Track Drive Transmission

UPPERSTRUCTURE
Description, Maintenance and Troubleshooting
Pump Drive System
Swing System
Boom Assembly
Disassembly and Repair
Pump Drive Transmission and Clutch
House Brakes
Swing Gearbox
Turntable Bearing Replacement
Boom Removal

ELECTRICAL SYSTEM
Description, Maintenance and Troubleshooting
The Charging System
Control Circuits
Lights and Instrument Circuits
Disassembly and Repair

HYDRAULIC SYSTEM
Description, Maintenance and Troubleshooting
Introduction to Hydraulics
General Description and System Maintenance
Hydraulic Reservoir and Supercharge System
Hydraulic System Flushing and Troubleshooting
Main Hydraulic System
Pilot Control System
Auxiliary System
Track Drive Circuit
Tool Cylinder Circuit
Swing Circuit
Crowd Cylinder Circuit
Hoist Cylinder Circuit (includes Fast Hoist Circuit)
Pump Drive Clutch Circuit
Counterweight System
Disassembly and Repair
Hydraulic Reservoir
Main Pumps
Main Control Valves
Power Sensing Valve
Hydraulic Filters (In-line)
Charging Pump
Modulator Valves
Swing Cushion Valve
Swing Motors
Tool, Crowd and Hoist Cylinders
Fast Hoist Control Valve
Track Drive Motors
Hydraulic Swivel
Counterweight Control Valve
Counterweight Cylinders
Clutch Cylinder

TORQUE CHARTS AND SCHEMATICS

Example from one of our manuals (actual manual contents may vary):

Example Service Manual PDF Download

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