PDF Operator's Manual Genie GTH-1256 Telehandler - 525 KB
This operator's manual covers the Genie GTH-1256 telehandler, including both Perkins Tier 4i and Deutz Tier 4i engine models.
It is a critical guide for the safe and proper operation of this powerful machine.
The manual details all controls, capacities, safety precautions, and daily inspection requirements.
Every operator must read and understand this manual to ensure a safe working environment.
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Operator’s Manual
Serial number range
GTH-1256 (Perkins Tier 4i) From GTH1216M-181
to GTH12M-280
GTH-1256 (Deutz Tier 4i) From GTH1216M-181
to GTH12M-280
Original Instructions
Second Edition
Second Printing
April 2017
Part No. 57.0009.0662
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April 2017 Second Edition - Second Printing
Work Area Safety
Traveling on Slopes Hazards
Operators should be properly trained and use their
best judgment and experience to take the
When driving, keep the boom at necessary precautions to prevent a tip-over.
or below horizontal and keep the
load close to the ground. Operators must assess the job site variables and
avoid exceeding the machine's (or operator's)
When the machine is loaded, always travel with the capabilities for terrain and conditions.
load uphill. When the machine is unloaded, travel
with the forks or attachment downhill. Fall Hazards
On steep terrain, drive only up and down a hill, and Always wear a seat belt when
always keep the machine in gear. Do not turn across operating the machine.
the slope when the machine is traveling up or down
a slope.
Always remain completely inside the cab when
Limit travel path and speed according to the condition operating the machine.
of the ground surface, traction, slope, location of
personnel and any other factors which may create When getting in and out of the cab, face the machine,
a hazard. Never drive the machine unless the mast use the steps and handrails provided and always
and equipment are in their proper travel position. maintain three-point contact.
Whether a machine will tip over during dynamic
machine operation involves many factors that need Do not use the steering wheel or any other controls
to be considered. Among these are pavement/ground as handrails.
conditions, stability and slope, as well as machine
equipment, operator skill, load position, tire inflation,
machine speed, etc. Do not allow riders on the machine
or forks.
Additionally, tip-over of a machine is dependent in
large part upon operator inputs such as the speed
and smoothness of the operation, as well as the Do not lift personnel with this
position of the attachment and its load. machine unless it is equipped with
an approved work platform.
Construction sites and roads will frequently change
slope from place to place, can be hard and soft,
and change due to construction activities and
weather.
10 GTH-1256 Part No. 57.0009.0662
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Second Edition - Second Printing April 2017
Controls
1 Low engine oil pressure indicator light 11 DPF Alert indicator light
When illuminated this light indicates that the engine This light flashes to warn of a problem of the engine.
oil pressure is too low which can lead to machine To identify the problem, see the two sections “Engine
damage. Discontinue use of the machine and service. Lamp Logic”
3 Hydraulic oil filter clogged indicator light
12 Engine Critical Fault indicator light
When illuminated this light indicates that the hydraulic
oil filter is clogged which can lead to machine damage. This light comes on to warn of a problem of the
Discontinue use of the machine and service. engine. To identify the problem, see the two sections
“Engine Lamp Logic”
4 Low hydraulic oil level indicator light
15 High engine coolant temperature gauge
When illuminated this light indicates that the hydraulic
oil level is too low which can lead to machine damage. When gauge reaches red, the engine coolant is too
Replenish and eliminate the oil leak. hot which can lead to engine damage. Discontinue
use and service the engine
7 Diesel particulate filter indicator light
19 High hydraulic oil temperature indicator light
When illuminated this light indicates that the DPF
is in need of regeneration. Park the machine in a This indicates the temperature of the hydraulic oil
safe location, press the DPF switch and refer to the in the tank which can lead to machine damage.
DPF regeneration instructions in the supplemental Discontinue use of the machine and service.
operator’s manual. 22 Brake pressure low indicator light
10 Engine air filter restricted indicator light It lights when the pressure of the braking circuit is
When this lamp comes on, the engine air filter is too low for a correct functioning which can lead to
clogged proceed with cleaning or changing the air machine damage. Discontinue use of the machine
filter cartridge. and service.
Part No. 57.0009.0662 GTH-1256 21
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April 2017 Second Edition - Second Printing
Operating Instructions
Parking Brake Starting in Cold Condition
Use the parking brake switch to apply the parking In cold conditions, 20°F / -6°C and below, warm
brake before raising the boom or leaving the the engine for 5 minutes before operating to
machine. prevent hydraulic system damage.
Push the top of the rocker switch to turn the In extreme cold conditions, 0°F / -18°C and below,
parking brake on. machines should be equipped with optional cold
start kits. Attempting to start the engine when
Push the bottom of the switch to turn the parking temperatures are below 0°F / -18°C may require
brake off. the use of a booster battery.
Brake Pedal Raising and Lowering the
Use the brake pedal to control the machine speed Stabilizers
and to stop the machine motion.
Push the top of the rocker switch to extend/lower
Push and hold the brake pedal to stop the the stabilizers. Push the bottom of the rocker
machine. switch to raise/retract the outrigger.
Push and release the brake pedal to control the
machine speed.
Steer Select
Always position all wheels in line with the machine
Starting the Engine before switching the steering mode.
6 Be sure the parking brake is set and the Do not realign the wheels while driving.
transmission control lever is in the neutral
position.
7 Insert the key in the ignition switch.
Turn the key until the engine starts.
If the engine fails to start after 30 seconds of
cranking, determine the cause and repair any
malfunction. Wait 120 seconds before trying to
start again.
32 GTH-1256 Part No. 57.0009.0662
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Second Edition - Second Printing April 2017
Transport and Lifting Instructions
Securing to Truck or Trailer for Transit Set the parking brake.
Turn the key switch to the off position and remove Securing the Chassis
the key before transporting.
Use chains of ample load capacity.
Inspect the entire machine for loose or unsecured
items. Use a minimum of 6 chains. There are 8 tie down
points on the chassis, two in the front and three on
Be sure the door and the door windows are each side of the machine.
latched and secured (if equipped).
Fully lower the forks or attachment onto the truck
Prior to loading, level the telehandler and retract bed. Secure the forks or attachment with a suitable
the boom. strap or chain to prevent movement.
Retract the stabilizers. Adjust the rigging to prevent damage to the
chains.
Use a spotter to load and unload the telehandler.
Keep the boom as low as possible when loading
and unloading.
Part No. 57.0009.0662 GTH-1256 43
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April 2017 Second Edition - Second Printing
Attachments
Suspended Load Hazards Overturning Hazards
Work Area Safety Do not lift a suspended load without the proper
and legible load capacity chart for the attachment/
General Safety telehandler combination you are using.
Do not lift a suspended load without first Do not permit
understanding the local, state, federal, or the load to swing
provincial rules, standards and regulations related freely. Always
to the activity. In the USA requirements are set properly tether
forth in ANSI/ITSDF B56.6 and OSHA 29 CFR loads to restrict
1926.1400-1442. Additional rules, standard and movement.
regulations may apply. Additional training may be Driving across
required. grades, sudden
starts, stops,
If a telehandler must be used to transport a load, and turns can
the following precautions for the protection of the cause the load
operator shall be taken. to swing and
create a hazard
Read, understand and obey all warnings and if not externally
instructions provided with the attachment that is stabilized.
approved for suspending loads.
Keep the boom retracted as much as practical.
Only a properly designed, tested and approved
attachment should be used to carry a suspended Do not lift suspended loads when wind speeds can
load. cause an unsafe situation.
The telehandler load charts are designed for All movements of the load must be accomplished
loads where the load center is stationary. As gradually and at the slowest practical speed to
a suspended load moves, the load center prevent the load from swinging.
can change. As a result, extreme caution in
transporting and lifting, or placing, the load must Keep the heavy part of the load closest to the
be observed to minimize the potential for the load attachment.
to move. Never drag or pull a load sideways.
Only lift a load vertically; do not pull a load
horizontally as it could cause excessive swinging
of the load.
The weight of all rigging (slings, shackles etc.)
must be included as part of the load.
54 GTH-1256 Part No. 57.0009.0662