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Summary of Contents for GMG 3394-RT
- Page 1 SERVICE PACK 3394-RT 6094-RT 3394-RT serial # 2339401000 - Current 6094-RT serial # 2609401000 - Current November 2019 XXXXX...
- Page 2 Revision History Date Update Reason Page i 3394RT---6094RT Scissor Lifts - Service Pack...
- Page 3 Specifications MODELS 3394-RT 6094-RT Measurements Working height maximum 66’ (20.1 m) 39’ (11.9 m) Platform height maximum 60’ (18.8 m) 33’ (10 m) Platform height - stowed platform floor (2.02 m) 6’7” (2.02 m) 6’7” Platform length - retracted 17’5” (5.23 m) 17’5”...
- Page 4 Specifications 3394-RT Tunnel Speeds & Angles Drive Speed Tilt Angles Stowed Height 10 km/h 4m Height 5 km/h Up to 9° 6m Height 4 km/h Up to 8° 8m Height 3 km/h Up to 5° 10m Height 2 km/h Up to 4°...
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Page 5: Table Of Contents
Table of Contents Section 1 - Introduction Introduction .......................1 Section 2 - Component Locations Component Locations ..................2 Platform Controls ....................3 Lower Controls ....................5 Section 3 - Emergency Systems Emergency Lowering ..................6 Section 4 - Maintenance Maintenance ......................7 Maintenance Lock .....................8 Section 5- Troubleshooting GP400 Menus on EZcal ..................9 Top Level Menu Options .................10... -
Page 6: Section 1 - Introduction
This Service Pack has been designed to provide you, the technician with a quick reference to some of the most used instructions and information which can be helpful to troubleshoot and service your GMG Aerial Work Platform. This Service Pack is provided as a quick reference guide and does not include all safety information nor all service detail found in a Service Manual. -
Page 7: Section 2 - Component Locations
Section 2 - Component Locations Component Locations General Locations Main Platform Deck Deck Extension Platform Controls Release Handle Deck Extension Beams Lift Cylinders Chassis Lower Controls Outrigger Module Fuel/ Hydraulic Engine Fluid Module Compartment Module Component Locations Control Fuel/Fluid Module Module Fuel Sight Gauge Hydraulic... -
Page 8: Platform Controls
Section 2 - Component Locations Platform Controls AUTO Page 3 3394RT---6094RT Scissor Lifts - Service Pack... - Page 9 Section 2 - Component Locations Control Description Push IN to stop all functions Emergency Stop Switch Pull OUT to reset Lift / Drive Selector Switch Push to the LEFT to LIFT and to the RIGHT to DRIVE Horn Button Press and hold to sound warning horn Engine Start Switch Push UP to start engine Lights and Powered Accessory...
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Page 10: Lower Controls
Section 2 - Component Locations Lower Controls ENTER Control Description LED Display Onboard Diagnostics and Clock display Trips when there is excessive electrical load Circuit Breaker Push to reset Hour Meter Indicates total elapsed time of machine operation Emergency Down Switch Push DOWN and hold to LOWER the platform Push UP and hold to RAISE platform Lower / Raise Switch... -
Page 11: Section 3 - Emergency Systems
Section 3 - Emergency Systems Emergency Systems If the control system fails while the platform is elevated, have an experienced operator use the emergency lowering procedure to safely lower the platform. Do not attempt to climb down beam (scissors) assembly. Emergency Lowering The Emergency Lowering System is used to lower the platform in case of power or valve failure. -
Page 12: Section 4 - Maintenance
Section 4 - Maintenance Maintenance DO NOT operate this machine until you have read and understood the Safety section of the Operators Manual, have performed the Jobsite Inspection, Pre-Start Inspection and Routine Maintenance, and have completed all the test operations detailed in the Operating Instructions. Tag and remove a damaged, malfunctioning or modified machine from service. -
Page 13: Maintenance Lock
Section 4 - Maintenance Maintenance Lock Maintenance Lock Never perform service on the machine with the platform elevated without first blocking the scissor assembly using the maintenance lock. Setting The Maintenance Lock 1. Elevate platform approximately 16 feet (5 m) and rotate maintenance lock to Blocked position 2. -
Page 14: Section 5- Troubleshooting
Section 5 - Troubleshooting Troubleshooting Never perform service on the machine with the platform elevated without first blocking the scissor assembly using the maintenance lock. Should you experience erratic operation or notice any malfunction while operating this machine, discontinue use immediately. Call for assistance and report the incident to your supervisor, and do not use the machine until it has been checked by a trained, qualified mechanic. -
Page 15: Top Level Menu Options
Section 5 - Troubleshooting Top Level Menu Options HELP Select this menu to see a description of current GP400 status Select DIAGNOSTICS this menu to see switch & sensor input status & logged data ACCESS LEVEL Select this menu & enter correct code to enable adjustments and calibrations ADJUSTMENTS Select this menu to see and adjust GP400 settings... -
Page 16: Diagnostic Menu Options: Platform Level
Section 5 - Troubleshooting DIAGNOSTICS / PLATFORM MENU OPTIONS TRIGGER Displays ON when platform trigger pressed Displays drive / lift (deck) mode (from drive / lift switch) JOYSTICK Displays joystick position (%) FWD/UP Displays ON when joystick is moved toward FWD or UP REV/DOWN Displays ON when joystick is moved toward REV or DOWN LEFT... -
Page 17: Gp400 Analogs
Section 5 - Troubleshooting DIAGNOSTICS / ANALOGS / GP400 ANALOGS MENU OPTIONS P8-1 Displays voltage measurement of P8-1 analog input P8-2 Displays voltage measurement of P8-2 analog input … DIAGNOSTICS / ANALOGS / MATRIX ANALOGS MENU OPTIONS MP2-6 Displays voltage measurement of MP2-6 analog input from CANbus connected Platform Matrix MP2-7 Displays voltage measurement of MP2-7 analog input from... - Page 18 Section 5 - Troubleshooting GP400 DIAGNOSTICS (continued) CHECK CANbus All operation prevented – CANbus communications is not successful (for example to the platform matrix module, if applicable) PLATFORM, GROUND Ready to operate, from the platform or ground controls as indicated (selected by the two EMS inputs) GROUND UP, GROUND DOWN, GROUND OUT, GROUND IN A ground function is operating normally...
- Page 19 Section 5 - Troubleshooting GP400 DIAGNOSTICS (continued) CHECK DRIVE/LIFT Neither platform drive nor platform lift select is active, or both are active at the same time CHECK JOYSTICK Both platform joystick directions are active at the same time STEER FAULTY Both platform steer directions are active at the same time INTERLOCKED An interlock shutdown is active, preventing one or more functions.
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Page 20: Gp400 Help Messages
Section 5 - Troubleshooting GP400 DIAGNOSTICS (continued) TOO HOT The EZLIFT 230 heatsink has reached 75ºc, preventing all functions except lowering. Functions will be allowed again when the heatsink cools to below 70ºc. The heatsink temperature can be viewed in the DIAGNOSTICS/SYSTEM/ TEMPERATURE display. - Page 21 Section 5 - Troubleshooting GP400 HELP MESSAGES (continued) RETRACTING DECK! (no flash code) All the above HELP messages indicate that a function is active – the machine should be moving as requested by the operator CLOSE TRIGGER (no flash code) A platform function is selected but the trigger switch is not closed VEHICLE TILTED (no flash code)
- Page 22 Section 5 - Troubleshooting GP400 HELP MESSAGES (continued) FAULT: BAD INTERNAL TEMPERATURE SENSOR! The heatsink temperature is out of range; if the fault remains, the power controller may have to be replaced FAULT: BATTERY VOLTAGE TOO LOW! The battery supply is too low – the battery must be re-charged FAULT: BATTERY VOLTAGE TOO HIGH! The battery supply is too high –...
- Page 23 Section 5 - Troubleshooting GP400 HELP MESSAGES (continued) FAULT: CHECK PRESSURE SENSOR The pressure sensor is giving an out-of-range voltage (below 0.5V or above 4.5V) Check for open- or short- circuit wiring; replace pressure sensor and re-calibrate load if necessary FAULT: CUSTOMER The GP400 must be configured to the customer requirements –...
- Page 24 Section 5 - Troubleshooting GP400 HELP MESSAGES (continued) FUNCTIONS LOCKED - OVERLOADED The platform is loaded too high to allow operation – the platform load must be reduced. If the overload features are not wanted, be sure to set ADJUSTMENTS/ OVERLOAD TRIP@, LAMP@ or ALARM@ to 0% FUNCTIONS LOCKED - TEST MODE SELECTED When GP400 test mode has been activated (see DIAGNOSTICS/OUTPUTS), no...
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Page 25: Gp400 Led Flash Codes
Section 5 - Troubleshooting GP400 HELP MESSAGES (continued) RELEASE TRIGGER! Trigger switch was closed at power-on (or a wiring error is causing the input to be active always) Trigger switch was closed for too long with no function selected (see SETUPS/INTERLOCKS/ TRIGGERonly) SELECT DRIVE/LIFT MODE! There is a problem with the platform drive/lift select switch –... - Page 26 Section 5 - Troubleshooting GP400 LED FLASH CODES (continued) LED flash code 3/x There is a problem with the line contactor or valve wiring; disconnect connectors P4/P5/P6 to identify the problem valve wiring LED flash code 4/x There is a problem with battery supply Check battery supply to EMS inputs P7-1, P7-2 and P7-4;...
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Page 27: Section 6 - Electrical Schematic Drawing Schematic
Section 6 - Electrical Schematic Diagram Page 22 3394RT---6094RT Scissor Lifts - Service Pack... - Page 28 Notes Page 23 3394RT---6094RT Scissor Lifts - Service Pack...
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Page 29: Section 7 - Hydraulic Schematic Drawing Schematic
Section 7- Hydraulic Schematic Diagram Page 24 3394RT---6094RT Scissor Lifts - Service Pack... - Page 30 Notes Page 25 3394RT---6094RT Scissor Lifts - Service Pack...
- Page 31 GLOBAL MACHINERY GROUP, INC. 3428 Bullock Lane San Luis Obispo, CA 93401 USA Tel USA: +1.805.303.2066 Toll Free (USA/Canada): 800.303.0499 www.goGMG.com...
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