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Doosan D50SC-5 User Manual

Doosan D50SC-5
350 pages
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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.forkliftpdfmanuals.com/

Table of Contents

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Doosan D50SC-5 Specifications

General IconGeneral
ModelD50SC-5
ManufacturerDoosan
CategoryForklifts
Power SourceDiesel
Engine Displacement3.3 L
Tire TypePneumatic
Load Capacity5000 kg
Engine TypeDiesel
Lift Height3000 mm
Fork Dimensions (L x W x T)50 mm

Summary

Foreword

Safety

Lists basic safety precautions, warning signs, and labels used on the lift truck.

Maintenance

Important Safety Information

Safety Precautions and Warnings

Explains hazard identification symbols and the meaning of safety alerts.

Safety

Training Required to Operate or Service

Emphasizes the necessity of proper training and understanding the manual.

General Warnings to Operator

No Standing On Forks Warning, No Standing Under Forks Warning

Load Backrest Must Be In Place Warning

Overhead Guard Must Be In Place Warning

Brake Pedal Adjustment Warning

Parking brake

No Riders Warning

General Hazard Information

Always be aware of pedestrians

Ensuring pedestrian awareness and clear path before proceeding.

Keep hands, feet and head inside the operator station

Operator safety guidelines regarding body positioning within the compartment.

Operation Information

Before Starting the Lift Truck

Essential checks and adjustments before operating the lift truck.

Operating the Lift Truck

Do not overload, or handle offset, unstable, or loosely stacked loads

Critical warnings about load capacity and handling unsafe loads.

Loading or Unloading Trucks/Trailers

Lift Truck Parking

Maintenance Information

Crushing or Cutting Prevention

Falling Objects Protective Structure(FOPS)

Burn Prevention

Fire or Explosion Prevention

Tire Information

Operator Restraint System (If Equipped)

Warning Signs and Labels

Identification of tipover warning decals and their importance.

Seat Belt

Inspection

Guidelines for inspecting the seat belt assembly for wear and damage.

Fasten the Seat Belt

Instructions on how to properly fasten the seat belt.

Avoiding Lift Truck Tipover

Lift Truck Stability

Factors affecting lift truck stability and tipover prevention.

Center of Gravity (CG)

Explanation of the concept of center of gravity and its importance.

Stability and Center of Gravity

How CG location and operational factors impact truck stability.

Lift Truck Stability Base

Capacity Load (Weight and Load Center)

Safety Rules

Only properly trained and authorized personnel

Requirement for qualified personnel to operate forklift trucks.

Inspect and check the condition of your forklift truck

Importance of pre-operation checks and reporting defects.

Do not operate a lift truck unless you are in the operator’s seat

Ensuring the operator is in the correct position for safe operation.

Do not start, stop, turn or change direction suddenly

Safe driving techniques to prevent tipover and loss of control.

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

Always use operator restraint system

Emphasis on using the operator restraint system during a tipover event.

DON’T jump

Instruction to remain in the seat during a tipover.

Hold on tight

Guidance on maintaining grip during a tipover.

Brace your feet

Instruction to brace feet within the operator's compartment.

Specifications

Capacity Chart

Capacity Chart (with Side Shifter)

SINGLE TIRE STD, FFL

Load capacity charts for single tire with side shifter.

SINGLE TIRE FFT

Load capacity charts for single tire with side shifter.

DOUBLE TIRE STD, FFL

Load capacity charts for double tire with side shifter.

DOUBLE TIRE FFT

Load capacity charts for double tire with side shifter.

Operator's Warning and Identification Plate

Identification, Lift Capacity and Attachment Plate

Information on plates identifying the truck and its ratings.

Lift Truck Capacity Rating

Explanation of how lift truck capacity is determined and rated.

Operator’s Station and Monitoring Systems

Seat Switch System (If Equipped)

Lift Truck Controls

Direction Control Lever

Explanation of the forward, neutral, and reverse control lever.

Transmission Inching Control Pedal

Operation of the inching pedal for precise low-speed control.

Service Brake Pedal

Accelerator Pedal

Parking Brake Lever

Lift Control

Tilt Control

Sideshift Attachment Control (If Equipped)

Refueling

Changing LP Tanks

Before Starting the Engine

Walk-Around Inspection

Comprehensive inspection checklist before operating the lift truck.

Starting the Engine

Prestart Conditions

Necessary conditions before attempting to start the engine.

Diesel Engine

Specific procedures for starting diesel engines, cold and warm.

LP Engine

After Starting the Engine

Electronic Controlled Spark-Ignition Engines

Basic Troubleshooting

Engine Cranking but Will Not Start

Troubleshooting steps for engine start failures.

Will Not Run Continuously

Troubleshooting steps for engines that stop running unexpectedly.

Engine Stalls

Troubleshooting steps for engines that stall during operation.

High Idle Speed

Troubleshooting steps for engines running at excessively high idle speed.

Excessive Fuel Consumption/LPG Exhaust Smell

Troubleshooting steps for high fuel consumption or exhaust odors.

Difficult to Start

Troubleshooting steps for engines that are difficult to start.

Will Not Accelerate/Hesitation During Acceleration

Troubleshooting steps for issues with acceleration.

Rough Idle

Troubleshooting steps for engines with rough idling.

Poor High Speed Performance

Troubleshooting steps for issues affecting high-speed performance.

Advanced Diagnostics (G643 Only)

Reading Diagnostic Fault Codes

Information on how to interpret diagnostic fault codes.

Displaying Fault Codes (DFC) from SECM Memory

Procedure to enter code display mode and retrieve stored fault codes.

Table 2. MI-07 Diagnostic Fault Codes (Flash Codes)

CORRECTIVE ACTION FIRST CHECK

Initial steps for diagnosing and correcting the fault.

Lift Truck Operation

Power Shift Transaxle

Explanation of how to operate the power shift transaxle.

Inching

Procedure for precise low-speed control using the inching pedal.

Auto Shift Controller ASC - 200 (If Equipped)

Adjustments

Settings for shift points and direction inhibit speed.

Diagnostics Features

Operation

Operating Techniques

Traveling With the Load

Guidelines for safe travel while carrying a load.

Lifting the Load

Procedure for safely lifting a load with the forks.

Unloading

Procedure for safely unloading a load.

Parking the Lift Truck

Towing Information

Inspection, Maintenance and Repair of Lift Truck Forks

Causes of Fork Failure

Details on common causes of fork failure such as improper repair or overloading.

Fork Inspection

Guidelines for routine inspection of forks for cracks and damage.

Daily Inspection

Visual inspection of forks for cracks, damage, and proper positioning.

Causes of Fork Failure

Improper Modification or Repair

How improper repairs or modifications can weaken fork strength.

Bent or Twisted Forks

Causes and consequences of bent or twisted forks.

Fatigue

Explanation of fatigue failure due to repeated loading cycles.

Tire Inflation Information

Torque Specifications

Cooling System Specifications

Fuel Specifications

LP Specifications

Lubricant Specifications

Brake Fluid

Lubricant Viscosities and Refill Capacities

Maintenance Intervals

Every 10 Service Hours or Daily

Routine maintenance checks performed daily or every 10 service hours.

First 50 - 100 Service Hours or a Week

Initial maintenance tasks to be performed within the first 50-100 hours.

Fuses, Bulbs & Circuit Breaker - Change, Reset

Tires and Wheels - Check, Inspect

Every 10 Service Hours or Daily

Walk - Around Inspection - Inspect

Comprehensive walk-around inspection for maximum service life.

Transmission Oil Level - Check

First 50 - 100 Service Hours or a Week

Engine Oil & Filter (Diesel Engine Only) – Change

Procedure for changing engine oil and filter for diesel engines.

Transmission Oil, Oil Filter & Strainer - Clean, Change

Drive Axle Oil - Check, Clean, Change

Oil Cooled Disc Brake (OCDB) Type

Parking Brake - Test, Adjust

First 250 Service Hours or a Month

Every 250 Service Hours or Monthly

Hydraulic Oil Level - Check

Drive Axle Oil Level - Check

Brake Oil Level – Check

Mast, Carriage, Lift Chains, & Attachments - Check, Lubricate

Steering Mechanism - Check, Lubricate

Battery Terminal - Clean, Inspect

Engine Oil & Filter – Change

Wheel Bolts and Nuts - Inspect

Every 500 Service Hours or 3 Months

Drive Axle Oil & Strainer (OCDB Only) - Check, Clean, Change

Fuel Trim Valve(FTV) Inspection (G643E Engine only)

Every 1000 Service Hours or 6 Months

Transmission Oil, Oil Filter & Strainer - Clean, Change

Procedure for cleaning and changing transmission oil, filter, and strainer.

Lift Chains - Test, Check, Adjust

Carriage Chain Adjustment

Mast Chain Adjustment - FF, FFT Mast

Cooling System - Clean, Change

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