New Holland Crawler Dozer DC180.B service manual

Description New Holland Crawler Dozer DC180.B service manual

New Holland Crawler Dozer DC180.B pdf service & repair manual

Technical data, specifications, troubleshooting, maintenance, electrical diagrams, hydraulic schematics, disassembly, assembly, removal, installation and other information

MANUAL CONTENT:
GENERALITIES
TABLE OF TECHNICAL DATA
Table fluid capacities
Main dimensions
Technical data tables
CONTROL DATA ON THE MACHINE
WEIGHT TABLE DC180.B
LIST OF WEIGHTS FOR MAIN SERVICE COMPONENTS
GENERAL INSTRUCTIONS
TROUBLESHOOTING
UNITS OF MEASURE
OF TIGHTENING TORQUES

ENGINE
GENERAL SPECIFICATIONS
SERIES "C" ENGINE DATA
DIAGRAMS OF SERIES "O" ENGINE
MOUNTING OF ENGINE ON FRAME
AFTERCOOLER FAN DRIVE SYSTEM
THROTTLE LINKAGE

TRANSMISSION
GENERAL DESCRIPTION
Transmission torque converter hydraulic diagram
Transmission housing/propeller shaft/torque converter
TESTS
Torque converter stall test
Delivery pressure test procedure
Transmission gearshifting electric control valve
Positioning of diagnostic hoses
PROCEDURES FOR THE REPAIR
Removal
Re-Installation
Disassembly
Reassembly
PROCEDURES FOR THE REPAIR OF THE TRANSMISSION
Removal
Re-Installation
Disassembly
Overhaul of the forward speed clutch
Overhaul of the 3rd speed
Overhaul of the reverse speed clutch
Modulating valves (Disassembly/Assembly)
Pressure relief valve (Disassembly/Assembly)
SPECIFICATIONS AND DATA
General data
Tightening torques (Torque converter)
Transmission housing
Transmission Data
Transmission Clutch
Transmission clutch discs
1st _ 2nd - 3rd speed Transmission Clutch modulating valves
Lube oil pressure relief valve
Forward/reverse modulating valves
Transmission pressure relief and torque converter safety valve
Torque converter/transmission feeding pump
Oil filters

FINAL DRIVE
GENERAL DESCRIPTION
Final drive (Exploded view and sectional view)
REPAIR PROCEDURES
Final drive (Removal/Disassembly)
Pulling the housing cover
Driven gear (Bearing removal)
Driving gear shaft (Bearing removal)
Description of installation of front seals (Long life) Final drive (Assembly)
SPECIFICATIONS AND DATA
Final drive shaft and bearing fittings

BRAKES AND STEERING DIFFERENTIAL
GENERAL DESCRIPTION
Brakes hydraulic diagram
Brake circuit main components
Brake powering pump
Brake powering valve block
Brake pedal valve
Brake oil filter
Steering hydraulic circuit diagram Steering circuit main components
Hydraulic motor
Steering piloting valve block
TROUBLESHOOTING
Diagnosis on the display
TESTS
Test of circuit pressures on diagnostics
Positioning of diagnostic hoses
Brake pedal adjustment
Test and setting of brake powering valve block Calibration of steering levers
REPAIR PROCEDURES
Brake pedal valve (removal / disassembly)
Brake power pump
Brakes and steering differential
Removal (preliminary operations)
Removal of the ring gear
Disassembly of the planet carrier assembly
Disassembly of the planet carrier differential assembly
Disassembly of the sun gear
Disassembly of the brake assembly
Re-assembly of the brake drum assembly
Check and inspection of brake packs
Re-assembly of the sun gear
Re-assembly of the planet carrier assembly
Re-assembly and re-installation of the ring gear assembly
Re-installation of brake/steering differential group into the transmission housing

UNDERCARRIAGE
GENERAL DESCRIPTION
Generalities
Main components
INSPECTIONS
Inspection and adjustment of track chains
Setting of the track tensioner pressure relief valve
REPAIR PROCEDURES
Track chain (Removal/Installation)
Replacing a damaged link and re-installation
Idler (Removal/Re-installation/Overhaul)
Track chain tensioner spring (Removal/Installation)
Track chain support rollers (Removal/Installation/Overhaul)
SPECIFICATIONS AND DATA
Idler
Sprockets
Track chains
Bottom rollers
Support rollers
Track tensioner device
Front cross-member pivots
Wear limits

DOZING EQUPMENT HYDRAULIC SYSTEM
GENERAL DESCRIPTION
Operation of the hydraulic system
Dozer equipment hydraulic system diagram
TESTS
Use of the flow meter
Flow test in single circuits
REPAIR PROCEDURES
Hydraulic oil reservoir
Equipment hydraulic pump
Hydraulic control valve (Removal/Disassembly/Overhaul)
Installation of blade

SPECIFICATIONS AND DATA
Hydraulic control valve
Hydraulic power pump
Blade lifting cylinder ball joint
Blade lifting control cylinder
Blade Tilt control cylinder (Bulldozer version)
Blade Tilt control cylinder (Angledozer version)
Ripper cylinder
Blade push arms and rods
Frame and rods
Ripper linkage for LT/XLT model
Ripper linkage for LGP model

ELECTRICAL SYSTEM
ELECTRICAL DIAGRAM OF PROTECTION TREE
Fuses
"Link" fuses and cold starting fuse
Main switch
Engine starting switch
Back-up alarm
Starter motor
INSTRUMENT PANEL
Electrical diagram of instrument panel/monitor
MONITOR SENDERS
DISPLAY
Diagnosis on display
GROUP
MAIN CONNECTORS