Genie GS-3384 User manual

Operator’s Manual
with Maintenance Information
Second Edition
Third Printing
Part No. 82828
CE Models

Genie GS-3384 and GS-3390 and GS-4390 and GS-5390 Part No.82828
Operator's Manual Second Edition • Third Printing
Copyright © 2002 by Genie Industries
First Edition: First Printing, January 2002
Second Edition: Third Printing, March 2008
"Genie" is a registered trademark of
Genie Industries in the U.S.A. and many other
countries. "GS" is a trademark of Genie
Industries.
Printed on recycled paper
Printed in U.S.A.
Important
Read, understand and obey these safety rules and
operating instructions before operating this machine.
Only trained and authorized personnel shall be
permitted to operate this machine. This manual should
be considered a permanent part of your machine and
should remain with the machine at all times. If you
have any questions, please call Genie Industries.
Contents
Page
Safety ........................................................................ 1
Legend ....................................................................... 8
Controls ..................................................................... 9
Pre-operation Inspection ........................................... 11
Maintenance ............................................................. 13
Function Tests .......................................................... 16
Workplace Inspection ................................................ 20
Operating Instructions ............................................... 21
Transport and Lifting Instructions .............................. 25
Decals ...................................................................... 28
Specifications ........................................................... 30
Contact us:
Internet: http://www.genielift.com
e-mail: [email protected]

Part No.82828 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 1
Operator's Manual
Second Edition • Third Printing
Safety Rules
Danger
Failure to obey the instructions and
safety rules in this manual will
result in death or serious injury.
Do Not Operate Unless:
You learn and practice the principles of safe
machine operation contained in this operator's
manual.
1 Avoid hazardous situations.
Know and understand the safety rules
before going on to the next section.
2 Always perform a pre-operation inspection.
3 Always perform function tests prior to use.
4 Inspect the workplace.
5 Only use the machine as it was intended.
You read, understand and obey the
manufacturer's instructions and safety rules—
safety and operator's manuals and machine
decals.
You read, understand and obey employer's
safety rules and worksite regulations.
You read, understand and obey all applicable
governmental regulations.
You are properly trained to safely operate the
machine.

2 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 Part No.82828
Operator's Manual Second Edition • Third Printing
Tip-over Hazards
Occupants, equipment and materials must not
exceed the maximum platform capacity.
Machines without capacity indicator
Maximum capacity
GS-3384 and GS-3390 1134 kg
GS-4390 680 kg
GS-4390 with extra capacity option 816 kg
GS-5390 680 kg
Maximum occupants
GS-3384 and GS-3390 7
GS-4390 7
GS-4390 with extra capacity option 7
GS-5390 4
Machines with capacity indicator
The maximum capacity varies with the height of the
platform.
Maximum capacity - GS-3384 and GS-3390
Maximum occupants 7
Height of Platform Maximum Capacity
10.1 m 1134 kg
8 m 1505 kg
6 m 1878 kg
4 m 1505 kg
2 m 1134 kg
SAFETY RULES
Electrocution Hazards
This machine is not electrically insulated and will
not provide protection from contact with or
proximity to electrical current.
Maintain safe distances from electrical power lines
and apparatus in accordance with applicable
governmental regulations and the following chart.
Voltage Minimum Safe
Phase to Phase Approach Distance
Meters
0 to 300V Avoid Contact
300V to 50KV 3.05
50KV to 200KV 4.60
200KV to 350KV 6.10
350KV to 500KV 7.62
500KV to 750KV 10.67
750KV to 1000KV 13.72
Allow for platform movement, electrical line sway or
sag and beware of strong or gusty winds.
Keep away from the machine if it contacts
energized power lines. Personnel on the ground or
in the platform must not touch or operate the
machine until energized power lines are shut off.
Do not operate the machine during lightning or
storms.
Do not use the machine as a ground for welding.

Part No.82828 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 3
Operator's Manual
Second Edition • Third Printing
SAFETY RULES
Do not alter or disable the limit switches.
Do not drive over 1.1 km/h with the platform raised.
Do not use the platform controls to free a platform
that is caught, snagged or otherwise prevented
from normal motion by an adjacent structure. All
personnel must be removed from the platform
before attempting to free the platform using the
ground controls.
Do not raise the platform unless the machine is on
a firm, level surface.
Do not depend on the tilt alarm as a level indicator.
The tilt alarm sounds on the chassis and in the
platform when the machine is on a slope.
If the tilt alarm sounds:
Lower the platform. Move the machine to a firm,
level surface. If the tilt alarm sounds when the
platform is raised, use extreme caution to lower the
platform.
Maximum capacity - GS-4390
Maximum occupants 7
Height of Platform Maximum Capacity
13.1 m 680 kg
10.6 m 984 kg
8 m 1286 kg
5.4 m 984 kg
2.9 m 680 kg
Maximum capacity - GS-4390
with extra capacity option
Maximum occupants 7
Height of Platform Maximum Capacity
13.1 m 816 kg
10.6 m 1118 kg
8 m 1421 kg
5.4 m 1118 kg
2.9 m 816 kg
Maximum capacity - GS-5390
Maximum occupants 4
Height of Platform Maximum Capacity
16.2 m 680 kg
12.8 m 1046 kg
9.4 m 1410 kg
5.9 m 1046 kg
2.5 m 680 kg

4 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 Part No.82828
Operator's Manual Second Edition • Third Printing
SAFETY RULES
Do not modify or alter an aerial work platform
without prior written permission from the
manufacturer. Mounting attachments for holding
tools or other materials onto the platform, toeboards
or guard rail system can increase the weight in the
platform and the surface area of the platform or the
load.
Do not place or attach fixed or overhanging loads to
any part of this machine.
Do not place ladders or scaffolds in the platform or
against any part of this machine.
Do not use the machine on a moving or mobile
surface or vehicle.
Be sure all tires are in good condition, air-filled tires
are properly inflated and lug nuts are properly
tightened.
Do not use the machine as a crane.
Do not push the machine or other objects with the
platform.
Do not contact adjacent structures with the
platform.
Do not tie the platform to adjacent structures.
Do not place loads outside the platform perimeter.
Do not operate the machine in strong or gusty
winds. Do not increase the surface area of the
platform or the load. Increasing the area exposed to
the wind will decrease machine stability.
Do not drive the machine on or near uneven terrain,
unstable surfaces or other hazardous conditions
with the platform raised.
Use extreme care and slow speeds while driving
the machine in the stowed position across uneven
terrain, debris, unstable or slippery surfaces and
near holes and drop-offs.
Do not push off or pull
toward any object outside
of the platform.
Maximum allowable
manual force
400 N
Do not transport tools and materials unless they are
evenly distributed and can be safely handled by
person(s) in the platform.
Do not alter or disable machine components that in
any way affect safety and stability.
Do not replace items critical to machine stability
with items of different weight or specification.

Part No.82828 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 5
Operator's Manual
Second Edition • Third Printing
Fall Hazards
The guardrail system provides fall protection. If
occupant(s) of the platform are required to wear
personal fall protection equipment (PFPE) due to
job site or employer rules, PFPE equipment and its
use shall be in accordance with the PFPE
manufacturer’s instructions and applicable
governmental requirements.
Do not sit, stand or climb on the platform guard
rails. Maintain a firm footing on the platform floor at
all times.
Do not climb down from the platform when raised.
Keep the platform floor clear of debris.
Close the entry gate before operating.
Do not operate the machine unless the guard rails
are properly installed and the entry is secured for
operation.
Collision Hazards
Be aware of limited sight
distance and blind spots
when driving or operating.
Be aware of extended platform position(s) when
moving the machine.
Operators must comply with employer, job site and
governmental rules regarding use of personal
protective equipment.
Check the work area for overhead obstructions or
other possible hazards.
Be aware of crushing hazards when grasping the
platform guard rail.
Observe and use color-coded direction arrows on
the platform controls and platform decal plate for
drive and steer functions.
Do not operate a machine in the path of any crane
or moving overhead machinery unless the controls
of the crane have been locked out and/or
precautions have been taken to prevent any
potential collision.
No stunt driving or horseplay while operating a
machine.
SAFETY RULES

6 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 Part No.82828
Operator's Manual Second Edition • Third Printing
SAFETY RULES
Damaged Machine Hazards
Do not use a damaged or malfunctioning machine.
Conduct a thorough pre-operation inspection of the
machine and test all functions before each work
shift. Immediately tag and remove from service a
damaged or malfunctioning machine.
Be sure all maintenance has been performed as
specified in this manual and the appropriate Genie
service manual.
Be sure all decals are in place and legible.
Be sure the operator’s, safety and responsibilities
manuals are complete, legible and in the storage
container located in the platform.
Crushing Hazards
Keep hands and limbs out of scissors.
Use common sense and planning when operating
the machine with the controller from the ground.
Maintain safe distances between the operator, the
machine and fixed objects.
Maintain a firm grasp on the platform rail when
removing the rail pins. Do not allow the platform
guard rails to fall.
Bodily Injury Hazard
Always operate the machine in a well-ventilated
area to avoid carbon monoxide poisoning.
Do not operate the machine with a hydraulic oil or
air leak. An air leak or hydraulic leak can penetrate
and/or burn skin.
Improper contact with components under any cover
will cause serious injury. Only trained maintenance
personnel should access compartments. Access
by the operator is only advised when performing a
pre-operation inspection. All compartments must
remain closed and secured during operation.
Do not lower the platform unless the area below is
clear of personnel and obstructions.
Limit travel speed according to the condition of the
ground surface, congestion, slope, location of
personnel, and any other factors which may cause
collision.
Component Damage Hazards
Do not use any battery or charger greater than
12V to jump-start the engine.
Do not use the machine as a ground for welding.
Explosion and Fire Hazards
Do not start the engine if you smell or detect liquid
petroleum gas (LPG), gasoline, diesel fuel or other
explosive substances.
Do not refuel the machine with the engine running.
Refuel the machine and charge the battery only in
an open, well-ventilated area away from sparks,
flames and lighted tobacco.
Do not operate the machine in hazardous locations
or locations where potentially flammable or
explosive gases or particles may be present.
Do not spray ether into engines equipped with glow
plugs.

Part No.82828 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 7
Operator's Manual
Second Edition • Third Printing
SAFETY RULES
Outrigger Safety
Tip-over Hazards
Do not lower the outriggers unless the machine is
on a firm surface. Avoid drop-offs, holes, unstable
or slippery surfaces and other possible hazardous
conditions.
When the auto level function is not being used and
the outriggers are being lowered individually, the
steer-end outriggers must be lowered first.
Do not raise the platform unless the machine is
level. Do not set the machine up on a surface
where it cannot be leveled using only the
outriggers.
Do not raise the platform unless all four outriggers
are properly lowered, the footpads are in firm
contact with the ground and the machine is level.
Do not adjust the outriggers while the platform is
raised.
Do not drive while the outriggers are lowered.
Decal Legend
Genie product decals use symbols, color coding
and signal words to identify the following:
Safety alert symbol—used to alert
personnel to potential personal
injury hazards. Obey all safety
messages that follow this symbol
to avoid possible injury or death.
Red—used to indicate the
presence of an imminently
hazardous situation which, if not
avoided, will result in death or
serious injury.
Orange—used to indicate the
presence of a potentially
hazardous situation which, if not
avoided, could result in death or
serious injury.
Yellow with safety alert symbol—
used to indicate the presence of a
potentially hazardous situation
which, if not avoided, may cause
minor or moderate injury.
Yellow without safety alert
symbol—used to indicate the
presence of a potentially
hazardous situation which, if not
avoided, may result in property
damage.
Green—used to indicate operation
or maintenance information.
Battery Safety
Burn Hazards
Batteries contain acid. Always wear protective
clothing and eye wear when working with batteries.
Avoid spilling or contacting battery acid. Neutralize
battery acid spills with baking soda and water.
Explosion Hazard
Keep sparks, flames and lighted tobacco away
from batteries. Batteries emit explosive gas.
Electrocution Hazard
Avoid contact with electrical terminals.

8 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 Part No.82828
Operator's Manual Second Edition • Third Printing
Legend
1 Lanyard anchorage point
2 GFCI outlet
3 Platform controls
4 Platform entry gate
5 Platform extension lock
handle
6 Platform guard rails
7 Manual storage container
8 Platform extension
9 Outrigger housing (if
equipped)
10 Outrigger footpad (if
equipped)
11 Ground controls with LCD
readout screen
12 Tilt alarm (behind ground
control panel)
13 Entry ladder
14 Steer tire
15 LPG tank
16 Fuel tank (behind cover)
17 Non-steer tire
18 Hydraulic tank (behind cover)
19 Power to platform (hidden
from view)
20 Safety arm (hidden from view)
21 Capacity indicator (if equipped)

Part No.82828 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 9
Operator's Manual
Second Edition • Third Printing
Controls
Ground Control Panel
1 Key switch for platform/off/ground control
selection
2 Engine start button
3 Gasoline/LPG models: Choke button
Diesel models: Glow plug button
4 Platform down button
5 Idle select button with indicator light
6 Gasoline/LPG models: LPG select button with
indicator light
7 LCD readout screen
8 Platform up button
9 Lift function enable button
10 Backup auxiliary function enable button
11 20 amp circuit breaker for controls circuit
12 Backup auxiliary down button
13 Hour meter
14 Red Emergency Stop button

10 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 Part No.82828
Operator's Manual Second Edition • Third Printing
CONTROLS
1 Outrigger function enable
button with indicator light
2 Outrigger auto level button
3 Engine start button
4 Idle select button with
indicator light
5 Gasoline/LPG models: Choke
button
Diesel models: Glow plug
button
6 Gasoline/LPG models: LPG
select button with indicator
light
14 Thumb rocker switch for steer
function
15 Wrist rest
16 Lift function enable button
with indicator light
17 Proportional rocker switch for
outrigger up/down and
platform up/down
Platform Controls
7 Horn button
8 Generator select button with
indicator light
9 Machine on incline button
with indicator light: Low
speed operation for inclines
10 Green power light/
Red error indicator light
11 Red Emergency Stop button
12 Function enable switch
13 Proportional control handle for
drive function

Part No.82828 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 11
Operator's Manual
Second Edition • Third Printing
Pre-operation Inspection
Do Not Operate Unless:
You learn and practice the principles of safe
machine operation contained in this operator's
manual.
1 Avoid hazardous situations.
2 Always perform a pre-operation
inspection.
Know and understand the pre-operation
inspection before going on to the next
section.
3 Always perform function tests prior to use.
4 Inspect the workplace.
5 Only use the machine as it was intended.
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.
The inspection is designed to discover if anything
is apparently wrong with a machine before the
operator performs the function tests.
The pre-operation inspection also serves to
determine if routine maintenance procedures are
required. Only routine maintenance items specified
in this manual may be performed by the operator.
Refer to the list on the next page and check each
of the items.
If damage or any unauthorized variation from
factory delivered condition is discovered, the
machine must be tagged and removed from
service.
Repairs to the machine may only be made by a
qualified service technician, according to the
manufacturer's specifications. After repairs are
completed, the operator must perform a
pre-operation inspection again before going on to
the function tests.
Scheduled maintenance inspections shall be
performed by qualified service technicians,
according to the manufacturer's specifications and
the requirements listed in the responsibilities
manual.

12 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 Part No.82828
Operator's Manual Second Edition • Third Printing
PRE-OPERATION INSPECTION
Pre-operation Inspection
RBe sure that the operator’s, safety and
responsibilities manuals are complete, legible
and in the storage container located in the
platform.
RBe sure that all decals are legible and in place.
See Decals section.
RCheck for engine oil leaks and proper oil level.
Add oil if needed. See Maintenance section.
RCheck for hydraulic oil leaks and proper oil level.
Add oil if needed. See Maintenance section.
RCheck for engine coolant leaks and proper level
of coolant. Add coolant if needed. See
Maintenance section.
RCheck for battery fluid leaks and proper fluid
level. Add distilled water if needed. See
Maintenance section.
Check the following components or areas for
damage, improperly installed or missing parts and
unauthorized modifications:
RElectrical components, wiring and electrical
cables
RHydraulic hoses, fittings, cylinders and
manifolds
RFuel and hydraulic tanks
RDrive motors
RWear pads
RTires and wheels
REngine and related components
RLimit switches, alarms and horn
RNuts, bolts and other fasteners
RPlatform entry gate
RBeacon and alarms (if equipped)
RSafety arm
RPlatform overload components
RPlatform extension(s)
RScissor pins and retaining fasteners
RPlatform control joystick
RGenerator (if equipped)
ROutrigger housings and footpads (if equipped)
Check entire machine for:
RCracks in welds or structural components
RDents or damage to machine
RBe sure that all structural and other critical
components are present and all associated
fasteners and pins are in place and properly
tightened
RSide rails are installed and rail pins and bolts are
fastened

Part No.82828 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 13
Operator's Manual
Second Edition • Third Printing
Observe and Obey:
Only routine maintenance items specified in this
manual shall be performed by the operator.
Scheduled maintenance inspections shall be
completed by qualified service technicians,
according to the manufacturer's specifications
and the requirements specified in the
responsibilities manual.
Maintenance Symbols Legend
The following symbols have been
used in this manual to help
communicate the intent of the
instructions. When one or more of
the symbols appear at the
beginning of a maintenance
procedure, it conveys the meaning
below.
Indicates that tools will be required to
perform this procedure.
Indicates that new parts will be required to
perform this procedure.
Indicates that a cold engine is required
before performing this procedure.
Check the Batteries
Proper battery condition is essential to good engine
performance and operational safety. Improper fluid
levels or damaged cables and connections can
result in engine component damage and hazardous
conditions.
Electrocution hazard. Contact with
hot or live circuits may result in
death or serious injury. Remove all
rings, watches and other jewelry.
Bodily injury hazard. Batteries
contain acid. Avoid spilling or
contacting battery acid. Neutralize
battery acid spills with baking soda
and water.
1 Put on protective clothing and eye wear.
2 Be sure that the battery cable connections are
tight and free of corrosion.
3 Be sure that the battery hold-down bars are
secure.
4 Remove the battery vent caps.
5 Check the battery acid level. If needed,
replenish with distilled water to the bottom of the
battery fill tube. Do not overfill.
6 Install the vent caps.
Maintenance

14 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 Part No.82828
Operator's Manual Second Edition • Third Printing
MAINTENANCE
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
can damage engine components.
Check the oil level with the
engine off.
1 Release the latches on the engine tray and fully
slide the engine tray out.
2 Insert a 15 cm screwdriver or rod into the engine
tray lock hole, located near the engine tray roller
wheels, to prevent the engine tray from moving.
3 Check the oil level dipstick. Add oil as needed.
Deutz F4L1011F Engine
Oil Type 15W-40
Oil Type - cold conditions 10W-40
Deutz F3L1011(F) Engine
Oil Type 15W-40
Oil Type - cold conditions 10W-40
Deutz F3L2011 Engine
Oil Type 15W-40
Oil Type - cold conditions 5W-30
Deutz F3L2011 Tier II Engine
Oil Type 15W-40
Oil Type - cold conditions 5W-30
GM 1.6L Engine
Oil Type 10W-30
Ford LRG-425 EFI Engine
Oil Type 10W-40
Oil Type - cold conditions 10W-30
Ford LRG-425 EFI Engine, EPA 2004 Compliant
Oil Type 10W-40
Oil Type - cold conditions 5W-30

Part No.82828 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 15
Operator's Manual
Second Edition • Third Printing
Check the Engine Coolant Level
Maintaining the engine coolant at the proper level is
essential to engine service life. Improper coolant
level will affect the engine's cooling capability and
damage engine components. Daily checks will
allow the inspector to identify changes in coolant
level that might indicate cooling system problems.
1 Check the fluid level in the radiator. Add fluid as
needed.
Bodily injury hazard. Fluids in the
radiator are under pressure and
extremely hot. Use caution when
removing cap and adding fluids.
MAINTENANCE
Scheduled Maintenance
Maintenance performed quarterly, annually and
every two years must be completed by a person
trained and qualified to perform maintenance on this
machine according to the procedures found in the
service manual for this machine.
Machines that have been out of service for more
than three months must receive the quarterly
inspection before they are put back into service.
Check the Hydraulic Oil Level
Maintaining the hydraulic oil at the proper level is
essential to machine operation. Improper hydraulic
oil levels can damage hydraulic components. Daily
checks allow the inspector to identify changes in oil
level that might indicate the presence of hydraulic
system problems.
Perform this procedure with the
platform in the stowed position and
the engine off.
1 Visually inspect the sight gauge located on the
side of the hydraulic oil tank.
Result: The hydraulic oil level should be within
the top 5 cm of the sight gauge.
2 Add oil if necessary. Do not overfill.
Hydraulic oil specifications
Hydraulic oil type Chevron Rykon
Premium MV equivalent

16 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 Part No.82828
Operator's Manual Second Edition • Third Printing
Function Tests
Do Not Operate Unless:
You learn and practice the principles of safe
machine operation contained in this operator's
manual.
1 Avoid hazardous situations.
2 Always perform a pre-operation
inspection.
3 Always perform function tests prior to
use.
Know and understand the function tests
before going on to the next section.
4 Inspect the workplace.
5 Only use the machine as it was intended.
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
tagged and removed from service. Repairs to the
machine may only be made by a qualified service
technician, according to the manufacturer's
specifications.
After repairs are completed, the operator must
perform a pre-operation inspection and function
tests again before putting the machine into service.
1 Select a test area that is firm, level and free of
obstruction.
At the Ground Controls
2 Pull out the platform and ground red Emergency
Stop buttons to the on position.
3 Turn the key switch to ground control.
Result: The LCD screen will come on and
display SYSTEM READY.
Note: In cold climates, the LCD readout screen will
need to warm up before the display appears.
4 Start the engine. See Operating Instructions
section.
Test Emergency Stop
5 Push in the ground red Emergency Stop button
to the off position.
Result: The engine should turn off and no
functions should operate.
6 Pull out the red Emergency Stop button to
the on position and restart the engine.

Part No.82828 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 17
Operator's Manual
Second Edition • Third Printing
FUNCTION TESTS
Test Up/Down Functions and Function Enable
The audible warnings on this machine come from
the same central alarm. The descent alarm sounds
at 60 beeps per minute. The alarm that goes off
when the machine is not level sounds at 180 beeps
per minute.
7 Do not push the lift function
enable button. Push and hold
the platform up button.
Result: No function should operate.
8 Push and hold the lift function enable button.
Push and hold the platform up button.
Result: The platform should raise.
9 Push and hold the lift function enable button.
Push and hold the platform down button.
Result: The platform should lower. The descent
alarm should sound while the platform is
lowering.
Test the Auxiliary Lowering
10 Push and hold the lift function enable button and
raise the platform approximately 60 cm.
11 Push in the red Emergency Stop button to shut
off the engine.
12 Pull out the red Emergency Stop button to the
on position.
13 Push and hold the lift function enable button.
Push and hold the platform down button.
Result: The platform should lower.
14 Turn the key switch to platform control and
restart the engine.
At the Platform Controls
Test Emergency Stop
15 Push in the platform red Emergency Stop button
to the off position.
Result: No functions should operate.
16 Pull the red Emergency Stop button out to the
on position.
Result: The green power light should come on.
Test the Horn
17 Push the horn button.
Result: The horn should sound.
Test Up/Down Functions and Function Enable
18 Start the engine.
19 Activate the up/down rocker switch in the
direction indicated by the blue arrow.
Result: The platform should not raise.
20 Push and hold the lift function
enable button.
21 Activate the up/down rocker switch
in the direction indicated by the
blue arrow.
Result: The platform should raise.
22 Push and hold the lift function enable button.
23 Activate the up/down rocker switch in the
direction indicated by the yellow arrow.
Result: The platform should lower. The descent
alarm should sound while the platform is
lowering.

18 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 Part No.82828
Operator's Manual Second Edition • Third Printing
FUNCTION TESTS
Test Drive and Braking
27 Press and hold the function enable switch on the
control handle.
28 Slowly move the control handle in the direction
indicated by the blue arrow on the control panel
until the machine begins to move, then return
the handle to the center position.
Result: The machine should move in the
direction that the blue arrow points on the
control panel, then come to an abrupt stop.
29 Press and hold the function enable switch on the
control handle.
30 Slowly move the control handle in the direction
indicated by the yellow arrow on the control
panel until the machine begins to move, then
return the handle to the center position.
Result: The machine should move in the
direction that the yellow arrow points on the
control panel, then come to an abrupt stop.
Note: The brakes must be able to hold the machine
on any slope it is able to climb.
Test Limited Drive Speed
31 Push and hold the lift function enable button.
Raise the platform approximately 1.83 m from
the ground.
32 Press and hold the function enable switch on the
control handle.
33 Slowly move the control handle to the full drive
position.
Result: The maximum achievable drive speed
with the platform raised should not exceed
31 cm/s.
If the drive speed with the platform raised exceeds
31 cm/s, immediately tag and remove the machine
from service.
Test the Steering
Note: When performing the steer and drive function
tests, stand in the platform facing the steer end of
the machine.
24 Press and hold the function enable switch on the
control handle.
25 Depress the thumb rocker switch on top of the
control handle in the direction identified by the
blue triangle on the control panel.
Result: The steer wheels should turn in the
direction that the blue triangle points on the
control panel.
26 Depress the thumb rocker switch in the direction
identified by the yellow triangle on the control
panel.
Result: The steer wheels should turn in the
direction that the yellow triangle points on the
control panel.