Parts & Service Documentation
Date: 07/26/2018 Model: L90
Revised: 05/07/2021 Serial No: 139


Section 1 - General Information

Section 2 - Power Unit

Section 3 - Drivetrain

Section 4 - Brake System

Section 5 - Hydraulic System

Section 6 - Electrical System

Section 7 - Cab & Cowl

Section 8 - Frame & Attachments

Section 9 - Accessories & Options

Section 10 - Maintenance & Lubrication



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GENERAL INFORMATION

SECTION 1

Parts Documents

Service Documents
1-1 General 1-1 General
80-007A Procedure For Ordering Parts (WAGNER)    
598959 Decal Location & Final Assembly Parts    
       
1-2 Operation 1-2 Operation
    80-1239 Start & Stop Procedures
       
1-4 Safety 1-4 Safety
    80-508 Safety
       

POWER UNIT

SECTION 2

Parts Documents

Service Documents
2-1 Engine 2-1 Engine
600188 DEF Tank Assembly 80-1236 Service Form for Fuel/Water Separator
600138 Fuel / Water Separator 80-1235 Cummins QSX15 Tier 4 Fault Codes
599385 Aftertreatment Sub Assembly    
598964 Power Unit Assembly    
598948 Power Unit Installation    
598103 Panel Assembly    
596989 Engine, QSX15-535HP, Tier 4    
       
2-5 Air Intake & Exhaust 2-5 Air Intake & Exhaust
600155 Air Cleaner Assembly    
598951 Exhaust Installation    
598950 Air Intake Installation    
       
2-6 Cooling 2-6 Cooling
599697 Cooling Package, RAC/CAC 80-1219 Radiator Fill Procedures
599695 Cooling Package Assembly, LH    
598949 Cooling Package Installation    
598631 Fan, Sucker, 40", 5-Blade    
597737 Cooling Package, HOC/TOC/FOC/AC    
597734 Cooling Package Assembly, RH    
       

DRIVETRAIN

SECTION 3

Parts Documents

Service Documents
3-1 General 3-1 General
598953 Driveline Installation    
       
3-2 Transmission and Converter 3-2 Transmission and Converter
600046 Converter 80-981 Maintenance & Service Manual - 8000 Transmission
597691 Transmission Assembly 80-486 Engine Flywheel Indicator Set-Ups
597664 Transmission Circuit 80-469 Transmission Circuit Plumbing
597652 Transmission Installation 80-1211 Service Manual, CL9000 Torque Converter
594444 Transmission 80-1078 Breather Maintenance for Converters & Transmissions
257099 Kit, Flexplate 17" W/Drive Plate    
228640 Pressure Regulating Valve    
       
3-3 Drivelines 3-3 Drivelines
598442 Driveline Assembly WSB0386 Lumberjack Speed Warning
598440 Driveline Assembly 80-627 Driveline Service & Maintenance
       
3-4 Axles 3-4 Axles
598963 Tailpost Installation 80-1237 Tailpost Service
598835 Brake Assembly 80-1212 Service Manual, Front Axle
598832 Differential & Carrier Assembly    
597694 Axle, Front    
597654 Front Axle Installation    
593014 Parking Brake Assembly    
       
3-5 Wheels & Tires 3-5 Wheels & Tires
601498 Front Wheel Assembly 80-891 Wheels & Tires
590040 Rear Wheel Assembly    
  Rear Tires: TITAN; BIAS, 23.50 X 25    
  Front Tires: FIRESTONE; 33.25-35 50 PLY    
       

BRAKE SYSTEM

SECTION 4

Parts Documents

Service Documents
4-1 Systems 4-1 Systems
598738 Hydraulic System - Brakes, Cab    
597665 Hydraulic System - Brakes    
       
4-3 Supply Components 4-3 Supply Components
590154 Accumulator, Pre-Charge 975 psi 80-1076 Accumulator Service
       
4-4 Control Components 4-4 Control Components
598056 Manifold Assembly, Brakes 80-895 Service Instructions - MICO 466 Series Single Power Brake Valve
593675 Valve, Brake Relay 80-893 Service Instructions - MICO Brake Valve Pedal Assembly
590704 Valve, Hydraulic Brake 80-1109 Service Instructions - Valve; Brake Relay
590703 Valve, Accumulator Charge    
       

HYDRAULIC SYSTEM

SECTION 5

Parts Documents

Service Documents
5-1 Systems & Circuits 5-1 Systems & Circuits
599764 Hydraulic System - Hoist & Tilt E0087 Troubleshooting Hydraulic Systems
599507 Hydraulic System - Joystick Steering, 2WD 80-421 DANFOSS Steering System Operation & Troubleshooting
598736 Hydraulic System - Steering, Cab 80-187 Basic Lumberjack Hydraulic Troubleshooting
598260 Hydraulic System - Boom 599732 ANSI Schematic - Hydraulic
598075 Hydraulic System - Steering, Common    
597995 Hydraulic System - Joystick Steering    
597663 Hydraulic System - Carriage    
597659 Hydraulic System - Tank    
       
5-2 Pumps 5-2 Pumps
PA-L90-139 Pump Arrangement 80-1315 Bleeding Air from Parker P3 Piston Pumps
       
5-3 Valves 5-3 Valves
598294 Manifold Assembly 80-423 Steering Control Unit Service
598198 Manifold Assembly, LS 80-422 Flow Amplifier Service
598028 Manifold Assembly    
597835 Valve Assembly, Holddown/Kickoff    
597834 Valve, Hoist & Tilt    
595994 Valve, Control    
581812 Steering Load Sensing Valve    
234990 Steering Flow Amplifier    
234081 Steering Control Unit    
       
5-4 Cylinders 5-4 Cylinders
599745 Cylinder Assembly, Hoist 80-1214 Wagner Hydraulic Cylinder Repair
599744 Hoist Cylinder Installation    
599534 Cylinder Assembly, Steering    
598952 Steering Cylinder Installation    
598159 Cylinder Assembly, Kickoff    
598157 Cylinder Assembly, Holddown    
597852 Cylinder Assembly, Tilt    
597637 Tilt Cylinder Installation    
       
5-5 Filters 5-5 Filters
FA-L90-139 Filter Arrangement 80-1080 Return Filter Service
598609 Return Filter, Insert Style 80-1021 High Pressure Filter Service
594622 Filter Assembly, Brake Cooling Return    
587385 High Pressure Filter, 100 GPM    
584259 Filter Head Assembly, Transmission Filters    
       
5-6 Miscellaneous 5-6 Miscellaneous
598193 Pressure Rail Assembly 80-1218 Hydraulic Tank
592497 Manual Overide Assembly    
       

ELECTRICAL SYSTEM

SECTION 6

Parts Documents

Service Documents
6-1 Systems & Circuits 6-1 Systems & Circuits
599706 Electrical System - Cab 598945 ANSI Schematic - Electrical
599692 Electrical System - Cummins T4 Engine Harness Installation    
598958 Electrical System - Cummins, L90    
598888 Electrical System - Carriage    
598887 Electrical System - Boom    
597670 Reverse Alarm Installation    
597669 Stairway Lights Installation    
       
6-2 Components 6-2 Components
598877 Chassis Fuse Panel 80-939 Programmable Fuel Sender Installation and Calibration
587939 Lights Installation, Carriage-LED 80-1131 Alternator Servicing Precautions
587904 Lights Installation, Cab-LED 80-092 Battery Maintenance
       

CAB & COWL

SECTION 7

Parts Documents

Service Documents
7-1 Basic Structure 7-1 Basic Structure
599705 Cab Assembly 80-1082 Heavy-Duty AC and Heater Service
598968 Superstructure Installation    
598508 Insulation Installation, Cowl Floor    
598275 Washer Bottle    
596486 Installation, Insulation    
596442 Window Installation    
596351 Door Assembly, LH    
596348 Door Assembly, RH    
596334 Grab Bars Installation    
594707 Doors, Cab    
586560 Hinge Assembly, LH Door    
586558 Hinge Assembly, Upper LH    
       
7-2 Instruments & Controls 7-2 Instruments & Controls
600083 Console Modification Kit 80-1248 IQAN Service/Troubleshooting Screens
598943 Steering Column Assembly 80-1220 ECM Communications Port
598420 Steering Column 80-1111 Automatic Temperature Control - Service
597951 Overhead Console Assembly    
597921 Joystick, RH    
597920 Joystick, LH    
597914 Dash Panel Assembly    
597899 Panel Assembly, Front, LH    
597898 Panel Assembly, Front, RH    
597644 Controls, Joysticks    
593449 Controller, Temperature    
246923 Pedal, Electronic Throttle    
       
7-3 Miscellaneous 7-3 Miscellaneous
600555 Monitor Mount Kit 80-1084 Cab Pressurizer Service Instructions
600021 Air Conditioner/Heater    
599785 Air Conditioner/Heater Installation    
598942 Seat Installation    
598432 Seat Suspension    
598410 Seat Assembly    
598395 Seat w/Control Pods    
590805 Pressurizer W/Precleaner 24V    
590074 Air Conditioner/Heater Assembly    
590011 Door Spring Assembly    
588161 Seat Assembly, Trainer    
       

FRAME & ATTACHMENTS

SECTION 8

Parts Documents

Service Documents
8-1 Frame & Attachments 8-1 Frame & Attachments
599531 Cooling Box, LH 80-850 Structural Welding Repair - Wagner
599530 Cooling Box, RH    
598946 Chassie Installation, L90    
598656 Kickoff Arm Assembly    
598651 Holddown Arm Assembly    
598570 Battery Box Assembly    
598544 Fan Door Assembly    
598465 Fuel Tank    
598459 Fuel Tank Assembly    
598458 Hydraulic Tank Assembly    
597639 Kickoff Cylinder Installation    
597638 Holddown Cylinder Installation    
597633 Boom Installation    
597632 Tine Installation, Pivot    
597631 Independent Kickoff Installation    
597630 Independent Holddown Installation    
597629 Carriage Installation    
       

ACCESSORIES & OPTIONS

SECTION 9

Parts Documents

Service Documents
9-1 Accessories & Options 9-1 Accessories & Options
600855 Service Bay Light Kit 80-902 Owner's Manual - Ansul Fire Suppression/Detection Systems
599774 Camera/Monitor Installation 80-1107 LVS Liquid Agent Fire Supression System Data Specifications
599731 Camera/Monitor 80-1106 CHECKFIRE 210 ICM Operators Manual & Maintenance Information
599721 Auto Lube System, 2WD Chassis 80-1052 General Manual - Automated Greasing System
599719 Auto Lube System, Schematic, L90    
598843 Fire Detection System - Cab    
598768 Auto Lube System, Boom    
598767 Auto Lube System, Carriage    
597666 Fire Suppression Installation, Auto    
       

MAINTENANCE & LUBRICATION

SECTION 10

Parts Documents

Service Documents
10-1 Maintenance and Lubrication 10-1 Maintenance and Lubrication
80-999-L90-139 Suggested Spares Guide 80-1247 Towing
    80-1246 Maintenance Checklists
    80-1245 Daily/Shift Maintenance
    80-1244 Preventive / Scheduled Maintenance
    80-1243 Lubrication
    80-1242 Fluid Selection, Specifications, and Capacities
    80-1241 Filter Service
    80-1240 Jacking Locations
    80-1227 Service Position
    80-1057 Wagner Torque Specification Chart
    61-542-L90-139 Operating Specifications, L90-139