Complete service repair manual for John Deere Compact Excavator 50ZTS, with all the workshop information to maintain, repair, and rebuild like professional mechanics.

John Deere Compact Excavator 50 ZTS workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.

TM1818 - John Deere 50ZTS Compact Excavator Technical Manual - Repair.pdf

Total Pages: 811 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English

MAIN SECTIONS
 Foreword
   Technical Information Feedback Form
   General Information
      Safety
      General Specifications
      Torque Values
      Fuels and Lubricants
   Tracks
      Track System
   Axles and Suspension Systems
      Axle Shaft, Bearings, and Reduction Gears
      Hydraulic System
   Engine
      Removal and Installation
   Engine Auxiliary Systems
      Cold Weather Starting Aids
      Cooling System
      Speed Controls
      Intake System
      External Fuel Supply Systems
   Dampener Drive (Flex Coupling)
      Elements
   Electrical System
      Batteries, Support, and Cables
      Alternator, Regulator, and Charging System Wiring
      Wiring Harness and Switches
      Instruments and Indicators
   Frame or Supporting Structure
      Frame Installation
      Chassis Weights
   Operator`s Station
      Removal and Installation
      Operator Enclosure
      Seat and Seat Belt
      Heating
   Bulldozers (Backfill Blade)
      Blades
      Control Linkage
      Hydraulic System
   Excavator
      Buckets
      Frames
      Hydraulic System
   Swing or Pivoting System
      Mechanical Drive Elements
      Hydraulic System
   Dealer Fabricated Tools

Table of Contents
Foreword
Technical Information Feedback Form
Section 00: General Information
Group 0001: Safety
Follow Safe Procedures
Prepare for Emergencies
Handle Fluids Safely—Avoid Fires
Prevent Battery Explosions
Handle Chemical Products Safely
Prevent Acid Burns
Avoid High-Pressure Fluids
Warn Others of Service Work
Park Machine Safely
Support Machine Properly
Operate Only from Operator's Seat
Stay Clear of Moving Parts
Avoid Power Lines
Use Handholds and Steps
Keep Riders Off Machine
Move and Operate Machine Safely
Wear Protective Clothing
Protect Against Flying Debris
Protect Against Noise
Illuminate Work Area Safely
Service Machines Safely
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Beware of Exhaust Fumes
Use Proper Lifting Equipment
Service Cooling System Safely
Dispose of Waste Properly
Work in a Clean Area
Use Tools Properly
Replace Safety Signs
Live With Safety
Group 0002: General Specifications
50ZTS Excavator Overview
50ZTS Excavator
50ZTS Excavator Working Ranges
50ZTS Excavator Engine Specifications
50ZTS Excavator Drain and Refill Capacities
Group 0003: Torque Values
Unified Inch Bolt and Screw Torque Values
Metric Bolt and Screw Torque Values
Additional Metric Cap Screw Torque Values
Check Oil Lines and Fittings
Service Recommendations for O-Ring Boss Fittings
Service Recommendations For Flat Face O-Ring Seal Fittings
Service Recommendations for 37° Flare and 30° Cone Seat Connectors
Service Recommendations For Flared Connections—Straight or Tapered Threads
Service Recommendations For Inch Series Four Bolt Flange Fittings
Service Recommendations for Metric Series Four Bolt Flange Fitting
Group 0004: Fuels and Lubricants
Diesel Fuel
Lubricity of Diesel Fuels
Low Sulfur Diesel Fuel Conditioner
Diesel Fuel Storage
Fuel Tank
Do Not Use Galvanized Containers
Diesel Engine Oil
Hydraulic Oil
Propel Gearbox Oils
Track Adjuster, Working Tool Pivot, Swing Bearing, and Swing Bearing Gear Grease
Oil Filters
Lubricant Storage
Alternative and Synthetic Lubricants
Mixing of Lubricants
Section 01: Tracks
Group 0130: Track System
Service Equipment and Tools
Other Material
Specifications
Measure Track Roller Wear
Remove and Install Lower Track Roller
Disassemble and Assemble Lower Track Roller
Measure Track Carrier Roller Wear
Remove and Install Track Carrier Roller
Inspect Metal Face Seals
Measure Track Shoe Grouser Wear
Remove and Install Track Shoe
Measure Rubber Track Lugs
Measure Track Chain Link Wear
Measure Track Chain Bushing Wear
Measure Track Chain Pitch
Remove and Install Rubber Track
Remove and Install Steel Track
Disassemble and Assemble Track Chain
Disassemble and Assemble Track Chain to Replace Broken Part
Adjust Track Sag (Rubber Track)
Adjust Track Sag (Steel Track)
Remove and Install Sprocket
Measure Front Idler Wear
Remove and Install Front Idler
Disassemble and Assemble Front Idler
Remove and Install Track Adjuster and Recoil Spring
Disassemble and Assemble Track Adjuster and Recoil Spring
Disassemble and Assemble Track Adjuster Cylinder
Section 02: Axles and Suspension Systems
Group 0250: Axle Shaft, Bearings, and Reduction Gears
Service Equipment and Tools
Other Material
Specifications
Towing Machine
Remove and Install Propel Gearbox
Propel Gearbox Start-Up Procedure
Disassemble Propel Gearbox
Inspect Metal Face Seals
Disassemble and Assemble First Planet Carrier
Assemble Propel Gearbox
Group 0260: Hydraulic System
Essential Tools
Service Equipment and Tools
Specifications
Remove and Install Propel Motor and Brake
Disassemble Propel Motor and Brake
Assemble Propel Motor and Brake
Disassemble and Assemble Propel Motor Brake Valve Housing
Propel Motor Start-Up Procedure
Remove and Install Rotary Manifold
Disassemble and Assemble Rotary Manifold
Rotary Manifold Air Test
Section 04: Engine
Group 0400: Removal and Installation
Essential Tools
Service Equipment and Tools
Other Material
Specifications
Remove and Install Engine
Disassemble Engine
Inspect and Repair Cylinder Head
Inspect Valve
Inspect and Repair Valve Spring
Inspect and Repair Tappet (Cam Follower or Valve Lifter)
Inspect and Repair Push Rod
Inspect and Repair Rocker Arm Shaft and Rocker Arm
Inspect and Repair Idler Gear and Idler Gear Shaft
Inspect Camshaft
Inspect and Repair Cylinder Block
Inspect and Repair Piston and Piston Ring
Inspect and Replace Piston Pin
Inspect and Repair Connecting Rod
Inspect and Repair Crankshaft
Inspect and Repair Flywheel and Flywheel Housing (Rear Oil Seal)
Timing Gear Case Cover Oil Seal Removal and Installation
Assemble Engine
Remove and Install Oil Pan
Remove and Install Oil Pump
Disassemble and Assemble Oil Pump
Remove and Install Water Pump
Disassemble and Assemble Water Pump
Remove and Install Thermostat
Remove and Install Fuel Injection Pump
Repair Fuel Injection Pump
Injection Timing Test and Adjustment
Remove and Install Fuel Injection Nozzle
Disassemble and Assemble Fuel Injection Nozzle
Bleed Fuel System
Remove and Install Engine Crankcase Breather
Engine Valve Clearance Adjustment
Remove and Install Starter
Disassemble and Assemble Starter
Section 05: Engine Auxiliary Systems
Group 0505: Cold Weather Starting Aids
Remove and Install Engine Glow Plugs
Group 0510: Cooling System
Specifications
Remove and Install Fan, Shroud and Guard
Remove and Install Radiator
Remove and Install Fan Belt
Group 0515: Speed Controls
Other Material
Specifications
Remove and Install Engine Speed Control Cable
Remove and Install Fuel Shut-Off Solenoid
Remove and Install Fuel Shut-Off Solenoid Linkage
Group 0520: Intake System
Remove and Install Air Cleaner
Disassemble and Assemble Air Cleaner
Group 0560: External Fuel Supply Systems
Remove and Install Fuel Tank
Disassemble and Assemble Fuel Tank
Remove and Install Fuel Lines
Remove and Install Fuel Pump
Remove and Install Primary Fuel Filter (Water Separator)
Disassemble and Assemble Primary Fuel Filter (Water Separator)
Remove and Install Final Fuel Filter
Disassemble and Assemble Final Fuel Filter
Bleed Fuel System
Section 07: Dampener Drive (Flex Coupling)
Group 0752: Elements
Service Equipment and Tools
Other Material
Specifications
Remove and Install Dampener Drive Element
Section 16: Electrical System
Group 1671: Batteries, Support, and Cables
Specifications
Handle Batteries Safely
Procedure for Testing Batteries
Checking Electrolyte Specific Gravity
Check Battery Electrolyte Level and Terminals
Using Booster Batteries—12 Volt System
Charge Battery
Remove and Install Batteries
12-Volt Accessory
Group 1672: Alternator, Regulator, and Charging System Wiring
Remove and Install Alternator
Disassemble and Assemble Alternator
Group 1674: Wiring Harness and Switches
Essential Tools
Service Equipment and Tools
Disconnecting Tab Retainer Connectors
Disconnecting Pull-Tab Retainer Connectors
Replacing Fuses
Fuse (Blade-Type) Color Codes
Remove and Install Key Switch
Remove and Install Dome Light
Replace DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Connectors
Install DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Contact
Replace WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Connector
Install WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Contact
Remove Connector Body from Blade Terminals
Group 1676: Instruments and Indicators
Replace Monitor Panel Bulbs
Remove and Install Monitor Panel
Section 17: Frame or Supporting Structure
Group 1740: Frame Installation
Specifications
Welding on Machine
Welding Repair of Major Structure
Group 1749: Chassis Weights
Service Equipment and Tools
Specifications
Remove and Install Counterweight
Section 18: Operator's Station
Group 1800: Removal and Installation
Specifications
Remove and Install Cab
Remove and Install Canopy
Group 1810: Operator Enclosure
Remove and Install Windowpane and One Piece Molding
Remove and Install Bonded Windowpane
Remove and Install Sliding Windows
Windowpane Dimensions
Group 1821: Seat and Seat Belt
Specifications
Check Seat Adjustments
Remove and Install Seat
Remove and Install Seat Base
Disassemble and Assemble Seat
Remove and Install Seat Belt
Inspect Seat Belt
Group 1830: Heating
Remove and Install Heater Core and Blower Motor
Remove and Install Heater Hoses
Section 32: Bulldozers (Backfill Blade)
Group 3201: Blades
Remove and Install Backfill Blade
Disassemble and Assemble Backfill Blade
Group 3215: Control Linkage
Remove and Install Backfill Blade Control Lever and Linkage
Adjust Backfill Blade Control Lever and Linkage
Group 3260: Hydraulic System
Service Equipment and Tools
Other Material
Specifications
Remove and Install One Way/Two Way Valve
Disassemble and Assemble One Way/Two Way Valve
Remove and Install Backfill Blade Control Valve
Disassemble and Assemble Backfill Blade Control Valve
Remove and Install Blade Make-Up Valve
Disassemble and Assemble Blade Make-Up Valve
Remove and Install Backfill Blade Cylinder
Disassemble and Assemble Backfill Blade Cylinder
Section 33: Excavator
Group 3302: Buckets
Other Material
Specifications
Replacing Bucket Teeth
Replace Bucket Tooth Tip—Heavy-Duty Bucket
Welding on Machine
Remove and Install Tooth Shank
Replace Welded Cutting Edge
Repair Cracked Cutting Edge
Remove and Install Bucket
Adjust Bucket Pivot End Play
Disassemble and Assemble Bucket
Group 3340: Frames
Service Equipment and Tools
Other Material
Specifications
Remove and Install Bucket Links
Remove and Install Arm
Remove and Install Boom
Remove and Install Boom Swing
Inspect Arm, Boom, and Boom Swing Pins and Bushings
Remove and Install Bushings and Seals
Group 3360: Hydraulic System
Essential Tools
Service Equipment and Tools
Other Material
Specifications
Control Lever Pattern Conversion
Lower Boom With Engine Stopped
Remove and Install Gear Pump—P3
Disassemble and Assemble Gear Pump—P3
Remove and Install Main Hydraulic Pump
Hydraulic Pump Start-Up Procedure
Disassemble Main Hydraulic Pump
Assemble Main Hydraulic Pump
Remove and Install Pilot Pump
Disassemble and Assemble Pilot Pump
Disassemble and Assemble Pilot Relief Valve
Remove and Install Pilot Shut-Off and Propel Speed Change Solenoid Valves
Disassemble and Assemble Pilot Shut-Off and Propel Speed Change Solenoid Valves
Remove and Install Pilot Controllers
Disassemble and Assemble Pilot Controller
Remove and Install Propel Pilot Controller
Disassemble and Assemble Propel Pilot Controller
Remove and Install Flow Combiner Valve
Remove and Install Main Control Valve
Disassemble and Assemble Main Control Valve
Remove and Install Hydraulic Oil Tank
Disassemble and Assemble Hydraulic Oil Tank
Remove and Install Return Filter
Remove and Install Suction Filter
Remove and Install Oil Cooler
Remove and Install Boom Cylinder
Remove and Install Arm Cylinder
Disassemble Boom and Arm Cylinders
Assemble Boom and Arm Cylinders
Remove and Install Bucket Cylinder
Disassemble Bucket Cylinder
Assemble Bucket Cylinder
Hydraulic Cylinder Bleed Procedure
Section 43: Swing or Pivoting System
Group 4350: Mechanical Drive Elements
Service Equipment and Tools
Other Material
Specifications
Remove and Install Swing Gearbox
Disassemble Swing Gearbox
Assemble Swing Gearbox
Remove Upperstructure
Install Upperstructure
Remove and Install Swing Bearing
Install Swing Bearing Upper Seal
Install Swing Bearing Lower Seal
Group 4360: Hydraulic System
Service Equipment and Tools
Other Material
Specifications
Remove and Install Swing Motor and Park Brake
Swing Motor Start-Up Procedure
Disassemble Swing Motor and Park Brake
Assemble Swing Motor and Park Brake
Disassemble and Assemble Cover For Swing Motor and Park Brake
Disassemble and Assemble Swing Motor Crossover Relief Valve
Remove and Install Swing Motor Park Brake Changeover Valve
Disassemble and Assemble Swing Motor Park Brake Changeover Valve
Section 99: Dealer Fabricated Tools
Group 9900: Dealer Fabricated Tools
ST4920 Track Recoil Spring Disassembly and Assembly Tool
DFT1087 Track Recoil Spring Disassembly and Assembly Guard Tool
DFT1089 Barrel Support
DFT1169 Travel and Swing Gearbox Nut Wrench

John Deere Compact Excavator 50ZTS Service Repair Manual (TM1818)