SB2355E01 - Operation & Maintenance Manual - Lift Trucks - D35S-5 to G55SC-5

Oct 24, 2026

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Operation and Maintenance Manual for DOOSAN lift trucks, covering safety, operation, and maintenance requirements for specified D-series and G-series models. It explains how to read and follow safety precautions, identify warning signs and labels, and understand the operator restraint system when equipped. The manual provides operational guidance for starting, refueling, controls, parking, and handling transportation and towing, while also detailing inspection, tire inflation, torque specifications, cooling and fuel specifications, lubrication parameters, and scheduled maintenance intervals.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages350

Reading Time14 h 42 min

AccessFree to download

Foreword

Important Safety Information

Safety

General Hazard Information

Operation Information

Before Starting the Lift Truck

Maintenance Information

Operator Restraint System (If Equipped)

Avoiding Lift Truck Tipovers

Safety Rules

How to Survive in a Tipover (If Operator Restraint System Equipped)

Specifications

Noise and Vibration

Capacity Chart

Serial Number

Operator's Warning and Identification Plate

Operator’s Station and Monitoring Systems

Lift Truck Controls

Refueling

Starting the Engine

After Starting the Engine

Lift Truck Operation

Operating Techniques

Parking the Lift Truck

Lift Fork Adjustment

Storage Information

Transportation Hints

Towing Information

Inspection, Maintenance and Repair of Lift Truck Forks

Tire Inflation Information

Torque Specifications

Cooling System Specifications

Fuel Specifications

Lubricant Specifications

Maintenance Intervals

Every 10 Service Hours or Daily

Every 250 Service Hours or Monthly

Every 500 Service Hours or 3 Months

Every 1000 Service Hours or 6 Months

Every 2000 Service Hours or Yearly

Every 2500 Service Hours or 15 Months

Index

SB2355E01 Operation & Maintenance Manual LIFT TRUCKS D35S-5, D40S-5, D45S-5, D50C-5, D55C-5 G35S-5, G40S-5, G45S-5, G50C-5, G55C-5 D40SC-5, D45SC-5, D50SC-5, D55SC-5 G40SC-5, G45SC-5, G50SC-5, G55SC-5 0705 [https://www.forkl](https://www.forkl)[iftpdfmanuals.com/](iftpdfmanuals.com/) [https://www.forkliftpdfmanuals.com/](https://www.forkliftpdfmanuals.com/) Table of Contents Information Section Foreword ..................................................................... 2 Safety Section Important Safety Information .....................................4 Safety .......................................................................... 5 General Hazard Information ......................... 10 Operation Information ................................... 11 Before Starting the Lift Truck........................ 11 Maintenance Information .............................. 14 Operator Restraint System (If Equipped) ....17 Avoiding Lift Truck Tipovers .........................21 Safety Rules ..................................................23 How to Survive in a Tipover (If Operator Restraint System Equipped).........................28 General Section Specifications............................................................ 30 Noise and Vibration ..................................................38 Capacity Chart .......................................................... 39 Capacity Chart (with Side Shifter) ...........................41 Serial Number........................................................... 53 Operator's Warning and Identification Plate ...........55 Operation Section Operator’s Station and Monitoring Systems...........57 Seat Switch System (If Equipped)...........................61 Lift Truck Controls ....................................................62 Refueling ................................................................... 65 Before Starting the Engine.......................................68 Starting the Engine................................................... 70 After Starting the Engine..........................................72 Lift Truck Operation................................................ 108 Mono-Ped Control System (Option)......................110 Auto Shift Controller ASC-200 (If Equipped)......111 Operating Techniques............................................ 114 Parking the Lift Truck ............................................. 118 Lift Fork Adjustment ............................................... 119 Storage Information................................................ 120 Transportation Hints ............................................... 121 Towing Information................................................. 122 Maintenance Section Inspection, Maintenance and Repair of Lift Truck Forks ....................................................................... 123 Tire Inflation Information ........................................ 127 Torque Specifications ............................................ 128 Cooling System Specifications .............................. 130 Fuel Specifications ................................................. 132 Lubricant Specifications......................................... 134 Lubricant Viscosities and Refill Capacities........... 137 Maintenance Intervals............................................ 138 When Required ...................................................... 142 Every 10 Service Hours or Daily ........................... 149 First 50-100 Service Hours or a Week ............... 153 First 250 Service Hours or a Month ...................... 159 Every 250 Service Hours or Monthly .................... 160 Every 500 Service Hours or 3 Months.................. 168 Every 1000 Service Hours or 6 Months ................ 174 Every 1500 Service Hours or 9 Months ................ 180 Every 2000 Service Hours or Yearly............

FAQs

What safety guidance does the manual emphasize before operating the lift truck?

It lists basic safety precautions, identifies the text and locations of warning signs and labels, and instructs users to read and understand these precautions before operating or performing lubrication, maintenance, and repair.

How should the operator restraint system be handled if replacement is needed?

The manual warns that the truck is equipped with an operator restraint system and that if the seat must be replaced for any reason, it should be replaced only with another DOOSAN operator restraint system.

What maintenance topics and scheduled intervals are covered in the manual?

It covers inspection, maintenance and repair of lift truck forks, tire inflation information, torque specifications, cooling system specifications, fuel and lubricant specifications, lubrication viscosities and refill capacities, and maintenance intervals such as every 10 service hours/daily through longer service-hour schedules.

Oct 24, 2026

Upload by DoDO