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Operator's Manual
GTH™-844
Serial Number Range
from GTH8E-11500
with
Maintenance
Information
Fifth Edition
Fifth Printing
Part No. 1286013GT

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Table of Contents
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Summary of Contents for Terex GTH8E-11500

  • Page 1 Operator's Manual Serial Number Range GTH™-844 from GTH8E-11500 with Maintenance Information Fifth Edition Fifth Printing Part No. 1286013GT...
  • Page 2: Table Of Contents

    Load Charts ............70 Copyright © 2012 by Terex Corporation Fifth Edition: Fifth Printing, January 2020 Genie is registered trademarks of Terex South Dakota, Inc. in the U.S.A. and many other countries. “GTH” is a trademark of Terex South Dakota, Inc.
  • Page 3: Introduction

    Fifth Edition • Fifth Printing Operator's Manual Introduction Intr oducti on About this manual Intended Use Genie appreciates your choice of our machine for A variable reach rough terrain forklift truck is your application. Our number one priority is user defined as a wheeled type truck with a pivoting safety, which is best achieved by our joint efforts.
  • Page 4 Operator's Manual Fifth Edition • Fifth Printing Introduction Contacting the Manufacturer At times it may be necessary to contact Genie. When you do, be ready to supply the model number and serial number of your machine, along with your name and contact information. At minimum, Genie should be contacted for: Danger Accident reporting...
  • Page 5 Fifth Edition • Fifth Printing Operator's Manual Introduction Hazard Classification Standards Many aspects of rough terrain forklift operation and Decals on this machine use symbols, color coding, testing are discussed in standards published by and signal words to identify the following: the American National Standards Institute and the Industrial Truck Standards Development Safety alert symbol—used to alert...
  • Page 6: Symbol And Hazard Pictorials Definitions

    Operator's Manual Fifth Edition • Fifth Printing Symbol and Hazard Pictorials Definitions Symbol and H az ard Pictorials Definiti ons Electrocution hazard Maintain required Crush hazard No people under load Read the operator’s clearance manual Injection hazard Use a piece of Maintain required Crush hazard Always wear seat belt...
  • Page 7 Fifth Edition • Fifth Printing Operator's Manual Symbol and Hazard Pictorials Definitions Explosion / Burn No smoking. No open Keep load low Fall hazard Only use an approved hazard flame. work platform Refer to load charts Sway operation Exterior emergency Tip-over hazard Tip-over hazard and manual.
  • Page 8: General Safety

    Operator's Manual Fifth Edition • Fifth Printing General Safety Gener al Safety GTH™-844 Part No. 1286013GT...
  • Page 9 Fifth Edition • Fifth Printing Operator's Manual General Safety Part No. 1286013GT GTH™-844...
  • Page 10: Work Area Safety

    Operator's Manual Fifth Edition • Fifth Printing Work Area Safety Work Ar ea Safety Tip-over Hazards If the telehandler starts to tip over: Using the appropriate load chart - Do not jump for the machine configuration, confirm that the load is within - Brace yourself and stay the rated capacity of the in the seat...
  • Page 11 Fifth Edition • Fifth Printing Operator's Manual Work Area Safety Traveling on Slopes Hazards Do not raise a load and then drive to position it. When driving, keep the boom at When driving, keep the boom at or below horizontal and keep or below horizontal and keep the the load close to the ground.
  • Page 12 Operator's Manual Fifth Edition • Fifth Printing Work Area Safety Operators should be properly trained and use their Collision Hazards best judgment and experience to take the necessary precautions to prevent a tip-over. Keep people, equipment and material out of the work area. Operators must assess the job site variables and Do not operate the machine avoid exceeding the machine's (or operator's)
  • Page 13 Fifth Edition • Fifth Printing Operator's Manual Work Area Safety Always make sure that mirrors and cab glass are Bodily Injury Hazards clean and do not obstruct the operators view of the travel path or load. Always adjust the seat and fasten the seat belt before Scan the area prior to operating the machine.
  • Page 14 Operator's Manual Fifth Edition • Fifth Printing Work Area Safety Damaged Machine Hazards Component Damage Hazards Do not use a damaged or malfunctioning machine. Do not use any battery or charger greater than 12V to jump-start the engine. Conduct a thorough pre-operation inspection of the machine and test all functions before each work Do not use the machine as a ground for welding.
  • Page 15 Fifth Edition • Fifth Printing Operator's Manual Work Area Safety Crush Hazards Burn Hazards Keep clear of moving parts during machine Allow hot surfaces to cool before operation and make sure personnel and touching or servicing. bystanders are kept clear of moving parts during operation.
  • Page 16 Operator's Manual Fifth Edition • Fifth Printing Work Area Safety Electrocution Hazards Always contact the electrical power line owner. The electrical power shall be disconnected or the This machine is not electrically insulated and will power lines moved or insulated before machine not provide protection from contact with or operations begin.
  • Page 17 Fifth Edition • Fifth Printing Operator's Manual Work Area Safety Battery Safety Employer's Responsibilities Employers are responsible for providing a safe Burn Hazards work environment and for complying with local and national governmental regulations. Batteries contain acid. Always wear protective clothing and eye wear when working with batteries.
  • Page 18: Legend

    Operator's Manual Fifth Edition • Fifth Printing Legend Legend Interior rear view mirror 14 Rear proximity alarm sensor (if equipped) Left to right level indicator 15 Fuse panel Steering wheel 16 Shackle lifting point Control handle 17 Forks Front to rear level indicator 18 SCR cleaning operation switch (under cover) (if equipped) Exterior emergency exit (Safe T Punch)
  • Page 19: Controls

    Fifth Edition • Fifth Printing Operator's Manual Controls Controls Control Panel Steering wheel Horn button Turn the steering wheel to the right to turn the Press this button and the horn will sound. front wheels to the right. Turn the steering Release the button and the horn will stop.
  • Page 20 Operator's Manual Fifth Edition • Fifth Printing Controls Turn signal lever (if equipped) 11 Auxiliary hydraulics thumb rocker Move the lever up to activate the left turn Push the auxiliary hydraulics thumb rocker to signal. Move the lever down to activate the the left and the carriage will swing or rotate to right turn signal.
  • Page 21 Fifth Edition • Fifth Printing Operator's Manual Controls 17 Brake pedal 22 Transmission control lever 18 Tilt steering pedal Move the transmission control lever toward you and move it up for forward gear. Move the Push and hold the tilt steering pedal to release lever toward you and move it down for reverse the steering column.
  • Page 22 Operator's Manual Fifth Edition • Fifth Printing Controls Instrument Panel Fuel level gauge with low fuel indicator light 12 Engine oil pressure low indicator light Turn signal indicator lights 13 Check engine indicator light Error code messaging 14 Engine stop indicator light DEF (diesel exhaust fluid) Level (if equipped) 15 Four-wheel steer indicator light Engine identification...
  • Page 23: Inspections

    Fifth Edition • Fifth Printing Operator's Manual Inspections Ins pections Pre-operation Inspection Fundamentals It is the responsibility of the operator to perform a pre-operation inspection and routine maintenance. The pre-operation inspection is a visual inspection performed by the operator prior to each work shift. Do Not Operate Unless: The inspection is designed to discover if anything is apparently wrong with a machine before the...
  • Page 24 Operator's Manual Fifth Edition • Fifth Printing Inspections Pre-operation Inspection  Fuel and hydraulic tanks  Axles and transmission  Be sure that the operator’s and safety manuals  Boom wear pads are complete, legible and in the storage container located in the cab. ...
  • Page 25 Fifth Edition • Fifth Printing Operator's Manual Inspections Function Test Fundamentals The function tests are designed to discover any malfunctions before the machine is put into service. The operator must follow the step-by-step instructions to test all machine functions. A malfunctioning machine must never be used. If malfunctions are discovered, the machine must be Do Not Operate Unless: tagged and removed from service.
  • Page 26 Operator's Manual Fifth Edition • Fifth Printing Inspections Function Tests Test the Single Control Handle Using the control handle, momentarily raise Select a test area that is firm, level and free of the boom, extend the boom, retract the boom obstruction.
  • Page 27 Fifth Edition • Fifth Printing Operator's Manual Inspections Test the Steering Test the Ignition System 12 Push the right side of the steer selector switch 20 Set the transmission control lever in neutral to select four-wheel steer. The four-wheel position. steer indicator light on the instrument panel will 21 Turn off the engine.
  • Page 28 Operator's Manual Fifth Edition • Fifth Printing Inspections Test the Drive and Sway Cutout 30 Move the transmission control lever to reverse. Slowly let up on the brake pedal. As soon as 36 Raise the boom to 55°. Do not extend the the machine starts to move, push the brake boom.
  • Page 29 Fifth Edition • Fifth Printing Operator's Manual Inspections Test the 3-speed Transmission 47 Set the parking brake, place the transmission (if equipped) into neutral and start the engine. Press and hold the brake pedal and place the 43 Fully retract the boom and lower it to the travel transmission in reverse.
  • Page 30 Operator's Manual Fifth Edition • Fifth Printing Inspections Test the Back-up Cameral (if equipped) 51 Press and hold the brake pedal and place the transmission in reverse. Result: The monitor will switch to a full screen showing only the rear camera view. If the monitor does not show the rear camera view, the system needs to be repaired.
  • Page 31 Fifth Edition • Fifth Printing Operator's Manual Inspections Workplace Inspection Checklist Be aware of and avoid the following hazardous situations:  drop-offs or holes  bumps, floor obstructions, or debris  sloped surfaces Do Not Operate Unless:  unstable or slippery surfaces ...
  • Page 32 Operator's Manual Fifth Edition • Fifth Printing Inspections Inspection for Decals with Words Part No. Decal Description 237971 Danger – Explosion/Burn Hazard, Determine whether the decals on your machine Fueling have words or symbols. Use the appropriate 826345 Label – Ultra Low Sulfur Fuel Only inspection to verify that all decals are legible and in (diesel models) place.
  • Page 33 Fifth Edition • Fifth Printing Operator's Manual Inspections Shading indicates decal is hidden from view, i.e. under covers Part No. 1286013GT GTH™-844...
  • Page 34 Operator's Manual Fifth Edition • Fifth Printing Inspections Inspection for Decals with Part No. Decal Description Symbols 237863 Label – Angle Indicator 237684 Label - Load Chart, Standard Carriage** Determine whether the decals on your machine 1253091 Label – Key Ignition have words or symbols.
  • Page 35 Fifth Edition • Fifth Printing Operator's Manual Inspections Shading indicates decal is hidden from view, i.e. under covers Part No. 1286013GT GTH™-844...
  • Page 36: Operating Instructions

    Operator's Manual Fifth Edition • Fifth Printing Operating Instructions Operati ng Instr ucti ons Fundamentals The Operating Instructions section provides instructions for each aspect of machine operation. It is the operator’s responsibility to follow all the safety rules and instructions in the operator’s, safety and responsibilities manuals.
  • Page 37 Fifth Edition • Fifth Printing Operator's Manual Operating Instructions Parking Brake Battery Disconnect Switch (if equipped) Use the parking brake switch to apply the parking brake before raising the boom or leaving the The battery disconnect switch is located on Inside machine.
  • Page 38 Operator's Manual Fifth Edition • Fifth Printing Operating Instructions Starting the Engine Emergency Exit (if equipped) Be sure the parking brake is set and the Rotate each retaining lever and push out the transmission control lever is in the neutral window.
  • Page 39 Fifth Edition • Fifth Printing Operator's Manual Operating Instructions Fire Extinguisher The transmission control lever also controls the transmission speed. To operate an extinguisher: To choose a lower speed, rotate the control lever Pull the pin clockwise. Aim nozzle at base of fire To choose a higher speed, rotate the control lever Squeeze the handle counterclockwise.
  • Page 40 Operator's Manual Fifth Edition • Fifth Printing Operating Instructions Frame Sway Control Models with 2-speed transmission Before raising the boom, the machine must be level. Check the left to right level indicator. The left to right level indicator should be 0 degrees before raising the boom.
  • Page 41 Fifth Edition • Fifth Printing Operator's Manual Operating Instructions Placing the load Raising and Placing a Load Travel to the desired work site and carefully Always center the load on the forks. Position the stop the machine. load so that it is completely against the back of the fork frame.
  • Page 42 Operator's Manual Fifth Edition • Fifth Printing Operating Instructions Gradually move the controller to lower and When the forks are clear of the load and the extend the boom into final position. Lower the structure, the boom can be lowered and load until the weight is completely off the forks.
  • Page 43 Fifth Edition • Fifth Printing Operator's Manual Operating Instructions Controller movements – Electronic Control Handle Control handle only Yellow fork Black auxiliary Control handle with tilt roller (1) rocker (2) white finger switch (3) Part No. 1286013GT GTH™-844...
  • Page 44 Operator's Manual Fifth Edition • Fifth Printing Operating Instructions Rear Axle Lock Tilt the forks back to pivot the quick attach If the boom is raised above 55°, the transmission into the attachment. will shift to neutral and the frame sway function will not operate.
  • Page 45 Fifth Edition • Fifth Printing Operator's Manual Operating Instructions Engine Display Information SCR cleaning operation Deutz engine (if equipped) Be sure the machine is parked on a flat, level surface. Lower and retract the mast. DEF light on: DEF level is low. Do not operate the machine while the SCR cleaning operation is running.
  • Page 46 Operator's Manual Fifth Edition • Fifth Printing Operating Instructions After Each Use Jump Starting the Machine Select a safe parking location—firm level Jump starting at the battery or battery replacement surface, clear of obstruction and traffic. is required when the battery is discharged to the point where the battery will not crank the starter.
  • Page 47 Fifth Edition • Fifth Printing Operator's Manual Operating Instructions Driving on a slope Additionally, tip over of a machine is dependent in large part upon operator inputs such as the speed When the machine is loaded, always travel with and smoothness of the operation as well as the the load uphill.
  • Page 48 Operator's Manual Fifth Edition • Fifth Printing Operating Instructions Rear Proximity Alarm (if equipped) Always look in the direction of travel. When the rear proximity alarm sounds, bring the machine to The system is designed to supplement other safety a controlled stop and verify the location of the practices and systems such as signal person and obstacle.
  • Page 49: Transport And Lifting Instructions

    Fifth Edition • Fifth Printing Operator's Manual Transport and Lifting Instructions Trans port and Lifti ng Instr ucti ons  Before loading for transport, make sure the deck, ramps and machine tires are free of mud, snow and ice. Failure to do so could cause the machine to slide.
  • Page 50 Operator's Manual Fifth Edition • Fifth Printing Transport and Lifting Instructions Securing the Chassis Securing to Truck or Trailer for Transit Use chains of ample load capacity. Turn the key switch to the off position and remove the key before transporting. Use a minimum of 6 chains.
  • Page 51 Fifth Edition • Fifth Printing Operator's Manual Transport and Lifting Instructions Lifting Instructions Fully lower and retract the boom. Determine the center of gravity of your machine using the picture on this page. Remove all loose items on the machine. Observe and Obey: Attach the rigging only to the designated lifting ...
  • Page 52: Maintenance

    Operator's Manual Fifth Edition • Fifth Printing Maintenance Maintenanc e Check the Engine Oil Level Maintaining the proper engine oil level is essential to good engine performance and service life. Operating the machine with an improper oil level Observe and Obey: can damage engine components.
  • Page 53 Fifth Edition • Fifth Printing Operator's Manual Maintenance Check the Transmission Oil Level Diesel Fuel Requirements Maintaining the proper transmission oil level is Satisfactory engine performance is dependent on essential to good transmission performance and the use of a good quality fuel. The use of a good service life.
  • Page 54 Operator's Manual Fifth Edition • Fifth Printing Maintenance Check the Hydraulic Oil Level Check the Batteries Maintaining the hydraulic oil at the proper level is Proper battery condition is essential to good essential to machine operation. Improper hydraulic machine performance and operational safety. oil levels can damage hydraulic components.
  • Page 55 Fifth Edition • Fifth Printing Operator's Manual Maintenance Check Mirrors and Rear Check the Engine Coolant Level – Proximity Alarm System Liquid Cooled Models Maintaining the indirect visual aids is essential to Maintaining the engine coolant at the proper level workplace visibility.
  • Page 56 Operator's Manual Fifth Edition • Fifth Printing Maintenance Check the Tire Pressure Check DEF Level (if equipped) Tip-over hazard. An over-inflated tire can Maintaining DEF (diesel exhaust fluid) at the explode which may compromise machine proper level is essential to machine stability and cause the machine to tip over.
  • Page 57 Fifth Edition • Fifth Printing Operator's Manual Maintenance Loosen the drain plug located at the bottom of Drain the Fuel/Water Separator the bowl. Allow the water to drain into a suitable container until fuel starts to come out. Immediately tighten the drain plug. Proper maintenance of the fuel filter/water Tighten the vent plug and clean up any spills separator is essential for good engine performance.
  • Page 58 Operator's Manual Fifth Edition • Fifth Printing Maintenance Install the safety chock on the lifting cylinder Scheduled Maintenance rod. Properly position the chock onto the Maintenance performed quarterly, annually and cylinder as show in the figures below. Secure every two years must be completed by a person the chock on to the cylinder using the lock pins trained and qualified to perform maintenance on and the spring clips in step 1.
  • Page 59: Attachments

    Fifth Edition • Fifth Printing Operator's Manual Attachments Attac hments Work Platform Hazards Always perform a pre-operation inspection of the platform, per the manufacturer’s instructions, prior to use. Work Area Safety If damage or any unauthorized variation from The telehandler shall not be used to lift people factory delivered condition is discovered, the unless there is no other practical option.
  • Page 60 Operator's Manual Fifth Edition • Fifth Printing Attachments Occupying the Platform Do not place or attach overhanging loads to any part of this machine or platform. Do not carry materials directly on platform railing unless approved by Genie. Do not place ladders or scaffolds in the platform or Be certain that materials and tools are protected against any part of this...
  • Page 61 Fifth Edition • Fifth Printing Operator's Manual Attachments Telehandler Operation Lifting Personnel Be certain that the platform is securely attached to Occupants, equipment and the telehandler, lifting carriage and forks. materials shall not exceed the maximum platform Be certain that the lifting carriage and forks are capacity.
  • Page 62 Operator's Manual Fifth Edition • Fifth Printing Attachments Operating Instructions Keep bystanders away while operating. Preparation and Setup Do not place boom or platform against any structure to steady the platform or to support the Read, understand and obey all jobsite, local, state, structure.
  • Page 63 Fifth Edition • Fifth Printing Operator's Manual Attachments Installing and securing the Lifting and lowering the platform platform Set the parking brake and place the transmission into neutral. Center the platform on the telehandler. If equipped with stabilizers: Lower the stabilizers. Properly secure the platform to the telehandler according to the manufacturer’s instructions.
  • Page 64 Operator's Manual Fifth Edition • Fifth Printing Attachments Suspended Load Hazards A single shackle lifting point is rated for the maximum lifting capacity referenced on the load chart. It can be used as a single lift point, or both Work Area Safety lifting points can be used to suspend a load.
  • Page 65 Fifth Edition • Fifth Printing Operator's Manual Attachments In addition to ground personnel, the two chassis Identify the proper lifting points of the load, taking tie-down points in the front of the machine can be into consideration the center of gravity and load used to help externally stabilize the load.
  • Page 66 Operator's Manual Fifth Edition • Fifth Printing Attachments Collision Hazards Lifting a Suspended Load Be sure that the load is clear of any adjacent Verify that landing point is level and can safely obstacles before lifting. support the load. When visibility is or could be obstructed, near or at Properly secure the attachment to the telehandler.
  • Page 67 Fifth Edition • Fifth Printing Operator's Manual Attachments Set the parking brake and place the transmission Traveling into neutral. Be sure that the path of travel is level and capable of supporting the telehandler with its load. Slowly, and gradually, place the load over the landing point and lower the load until it is safely Keep the boom, and load, as low as practical while supported.
  • Page 68 Operator's Manual Fifth Edition • Fifth Printing Attachments STOP. With arm EMERGENCY STOP. With both arms extended HOIST. With upper arm RAISE BOOM. With extended horizontally to horizontally to the side, palms down, arms are extended to the side, arm extended the side, palm down, swung back and forth.
  • Page 69 Fifth Edition • Fifth Printing Operator's Manual Attachments Suspended Load Hazards Rigger Requirements (from OSHA CFR 1926.404) When employees are engaged in hooking, unhooking, or guiding the load, or in the initial connection of a load to a component or structure and are within the fall zone, all of the following criteria must be met: The materials being hoisted must be rigged to...
  • Page 70: Specifications

    Operator's Manual Fifth Edition • Fifth Printing Specifications Specific ati ons GTH-844 Tire size 13 x 24, 12 ply Height, stowed 7 ft 10 in 2.39 m Turning radius (outside), 2 wheel steer 21 ft 9 in 6.63 m Length, stowed, without 20 ft 3 in 6.17 m forks...
  • Page 71 Fifth Edition • Fifth Printing Operator's Manual Specifications Rear Proximity Sensor Range Approximate detection range. Minimum rear proximity sensor detection height is 2 ft/0.6 m. Part No. 1286013GT GTH™-844...
  • Page 72: Load Charts

    Operator's Manual Fifth Edition • Fifth Printing Load Charts Load Charts All Genie telehandler fork carriage load charts are Load Capacity Field Calculations based on a horizontal load center that is 24 in/61 cm from the front vertical surface of the Always center the load on the forks.
  • Page 73 Fifth Edition • Fifth Printing Operator's Manual Load Charts GTH-844 Standard Carriage GTH-844 Quick Attach Lifting Point GTH-844 Rotate Carriage GTH-844 Swing Carriage GTH™-844 Part No. 1286013GT Operator's M anual Fifth Edition • Fifth Printi ng Part No. 1286013GT GTH™-844...

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