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Gehl Dynalift 663 User Manual

Gehl Dynalift 663
72 pages
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Form No.
907879
OPERATOR’S MANUAL
663
Dynalift
®
Telescopic
Boom Forklift
Courtesy of CraneMarket.com
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Gehl Dynalift 663 Specifications

General IconGeneral
BrandGehl
ModelDynalift 663
CategoryForklifts
LanguageEnglish

Summary

Chapter 1 Introduction

Machine Identification Overview

Chapter 2 Specifications

Lifting Performance Specifications

Details maximum lift capacity, height, and reach for the machine.

General Dimensions

Lists overall length, width, height, ground clearance, and wheelbase dimensions.

Instrumentation Details

Describes gauges and indicators like fuel, hourmeter, and coolant temperature.

Steering System

Covers steer valve type, pressure, cylinders, and steer modes.

Braking System

Details service and parking brake types, including hydraulic booster.

Electrical System

Outlines battery, circuit protection, horn, and alternator specifications.

Service Capacities

Lists capacities for cooling system, fuel tank, hydraulic system, and transmission.

Axles Specifications

Describes axle type, differential, and hub capacities.

Transmission Specifications

Details transmission type, speeds, and torque converter.

Engine Options

Lists available engine types, displacement, horsepower, and oil capacity.

Hydraulic System Specifications

Pump and Pressure Specifications

Details pump displacement, flow, and relief pressures.

Hydraulic Filter and Strainer

Describes filter media, flow, and pressure ratings for hydraulic filters.

Chapter 3 Checklists

Pre-Delivery Checklist

Key inspections and information for machine delivery before customer receipt.

Delivery Checklist

Information to convey to the customer at the time of unit delivery.

Chapter 4 Safety

Safety Alert Symbol Definitions

Explains the meaning of DANGER, WARNING, and CAUTION symbols.

Mandatory Safety Shutdown Procedure

Step-by-step procedure for safely shutting down the machine before servicing.

Additional Safety Reminders

Safety Guidelines and Hazards

Modifications, Nameplates, and Guards

Rules for modifying the machine and importance of nameplates and protective guards.

Protective Guards and Warning Devices

Information on overhead guards, horn, backup alarm, and ROPS.

Chapter 5 Indicators and Controls

Operator Compartment & Boom Controls Location

Identifies the location of indicators and controls within the operator's compartment.

Dash Area Controls and Indicators

Switch Panel and Travel Controls

Steering System Operation

Describes steering modes (2-wheel, 4-wheel, crab) and park brake function.

Right Side Panel Controls

Frame Level and Boom Lift/Extend Joystick

Explains how to operate the joysticks for frame leveling and boom movement.

Boom Angle Indicator and AutoTroll Option

Attachment Joystick Operation

Details the operation of the joystick for controlling attachment tilt and rotation.

Attachment Tools and Accessories

Chapter 6 Operation & Adjustments

General Information and Engine Break-In

Recommendations for starting the machine and initial engine break-in procedures.

Starting the Engine Procedures

Step-by-step guide for starting the engine, including warm-up and checks.

Cold Starting Procedures

Advice on starting the engine in cold weather conditions.

Machine Operation Procedures

Stopping the Machine

Recommended procedure for safely stopping the machine and shutting down the engine.

Initial Operation and Park Brake

Steps for initial operation and understanding the park brake's function.

Changing Attachment Tools

Procedures for attaching and detaching various tools using the Dynattach system.

Dynattach System Operations

Dynattach System Attaching and Detaching

Detailed steps for connecting and disconnecting attachment tools using the Dynattach system.

Self-Leveling Feature

Explanation of the hydraulic self-leveling feature for maintaining attachment tool position.

Operational Safety and Grade Limits

General Machine Operation

Daily checks, safe operation practices, and working area inspection.

Grade and Slope Precautions

Guidelines for operating the machine on inclines and slopes, including stability.

Grade Limits

Specific grade and slope limitations for operation and load placement.

Traffic Flow and Load Handling

Load Placement and Travel Safety

Load Elevation and Placement

Procedures for placing loads at different heights and ensuring stability.

Suspended Loads and Road Travel

Safety rules for suspended loads and requirements for road travel.

Transporting Between Jobsites

Guidelines for transporting the machine between job locations.

Load Zone Charts

Carrying The Load

Loading, Unloading, and Theft Deterrents

Loading and Unloading Machine Using Ramps

Instructions for safely loading and unloading the machine onto trailers using ramps.

Theft Deterrents

Measures to prevent theft and vandalism of the equipment.

Chapter 7 Lubrication

Lubricant Types and Capacities

Lists recommended lubricants, capacities, and grades for various machine systems.

Lubrication Details

Replacement Filters

Part numbers for oil, fuel, hydraulic, and air filters.

Greasing Locations

Lists and illustrates grease fitting locations for routine lubrication.

Location Reference for Grease Fittings

Chapter 8 Service & Storage

General Service Information and Precautions

General advice on servicing, safety precautions, and authorized service.

Dealer and Major Component Services

Outlines services requiring authorized dealer intervention for major components.

Service Component Access

Electrical and Operator Component Access

Information on electrical schematics and access points for operator services.

Component Access Chart

A chart showing component access locations within the operator station, frame, and hoods.

Daily Service Checks

Fuel System Checks

Instructions for checking and draining the fuel tank and filter.

Fluid Level and Brake/Tire Checks

Engine, Coolant, Transmission, and Hydraulic Checks

Procedures for checking fluid levels in engine, coolant, transmission, and hydraulic systems.

Brake and Tire Checks

How to check brake fluid level, park brake tension, and tire pressures.

Maintenance Intervals and Filter Service

Instrument, General Operation, and Maintenance Intervals

Checks for instruments, general condition, and overview of maintenance schedules.

50, 100, and 250-Hour Service

Details specific service tasks required at 50, 100, and 250-hour intervals.

Air Filter Element Service

Instructions for changing the air filter element.

Air Cleaner and Axle Oil Service

Air Cleaner Maintenance

Steps for cleaning and replacing the air cleaner assembly.

Axle Oil Level Checks

Procedures for checking differential and planetary hub oil levels.

Fuel Filter Change

Guidance on when and how to change the fuel filter.

Engine, Battery, and Fuel System Service

Engine Oil and Filter Change

Steps for changing the engine oil and filter.

Battery Service

Information on checking and safely handling the machine's battery.

Jump Starting Procedures

Boom and Belt Maintenance

Alternator and Fan Belt Checks

How to check and adjust alternator and fan belt tension.

Boom Chain and Sheave Checks

Inspecting boom leaf chains and sheaves for wear and proper tension.

Boom Slide Pad Checks

Checking boom slide pads for wear, clearance, and proper bolt torque.

1000-Hour Service and Filter Changes

1000-Hour Service

Service tasks required at 1000-hour intervals.

Transmission Service

Procedures for changing transmission oil and filter.

Cooling System Service

Steps for draining, flushing, and refilling the radiator coolant.

Hydraulic Filter Service

Instructions for changing the hydraulic return filter element.

Axle and Hydraulic System Checks

Axle Oil Service

Procedures for changing differential and planetary axle oil.

Exhaust and Hydraulic System Checks

Checking exhaust system and hydraulic system relief pressures.

Machine Storage Procedures

Machine Storage Procedures

Steps for preparing the machine for long-term storage.

Storage Maintenance

Recommended checks and actions during the storage period.

After Storage Procedures

Chapter 9 Decal Locations

General Decal Information

Importance of safety decals and procedures for replacement.

New Decal Application

Instructions for properly applying new decals to the machine surface.

Paint and Decal Kits

Information on paint finishes and ordering decal kits.

Left Side Decal Locations

Right Side Decal Locations

Operator Station Decal Locations

Chapter 10 Maintenance

Maintenance Interval Chart

A chart outlining service procedures and their recommended intervals.

Maintenance Log

663 Electrical Schematic (J.D. Engine)

663 Electrical Schematic (Perkins Engine)

663 Hydraulic Schematic

Torque Specifications

Load Zone Charts

GEHL® Warranty Information

GEHL Construction Warranty Service Inclusions

Details what genuine Gehl parts and labor are covered under warranty.

GEHL Warranty Exclusions

Lists items and conditions not covered by the Gehl warranty.

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