Mec Speed Level 2684 RT Service And Parts Manual
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Mec Speed Level 2684 RT Service And Parts Manual

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SERVICE AND PARTS MANUAL
Speed Level™ Sigma
Lifts
2684 & 3084 RT Internal Combustion
Serial Number Range
Part # 91885
11800001 - Up
2684 & 3084 ES Electric
May 2010
CE & ANSI certifications

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Summary of Contents for Mec Speed Level 2684 RT

  • Page 1 SERVICE AND PARTS MANUAL Speed Level™ Sigma Lifts 2684 & 3084 RT Internal Combustion Serial Number Range Part # 91885 11800001 - Up 2684 & 3084 ES Electric May 2010 CE & ANSI certifications...
  • Page 2 Original Release Date: May 2010 Date Reason for Update 5/2010 New Release Aerial Platform Sales Corp. 1401 S. Madera Avenue • Kerman, CA 93630 USA Ph: 1-800-387-4575 • 1-559-842-1500 • FAX 1-559-842-1520 E-mail:info@mecAWP.com • Web:www.mecAWP.com Speed Level™ is a trademark of MEC.

  • Page 3: Table Of Contents

    MEC Operator Policy ........
  • Page 4 Service Table of Contents General Description ........... . . 2-19 GP400 Calibration .
  • Page 5 Service Table of Contents Section 4b: Troubleshooting - 3084ES Model Page General Troubleshooting Tips ..........4b-3 Electrical System Troubleshooting - 3084ES .
  • Page 6 Service Table of Contents O T E S October 2009 “3084 Speed Level™ Sigma Lift” Service and Parts Manual Page iv...
  • Page 7 MEC Operator Policy ........

  • Page 8: Machine Specifications - 3084Rt

    - RT M ACHINE PECIFICATIONS ODELS 2684RT 3084RT Working Height* 32 ft* 10.0 m* 36 ft* 11.0 m* Platform Height 26 ft 7.9 m 30 ft 9.0 m Stowed Height Rails Up 107 in 2.72 m 105 in 2.67 m Rails Folded Down 72 in 1.83 m...

  • Page 9: Machine Specifications -3084Es

    - ES M ACHINE PECIFICATIONS ODELS 2684ES 3084ES Working Height* 32 ft* 10.0 m* 36 ft* 11.0 m* Platform Height 26 ft 7.9 m 30 ft 9.0 m Stowed Height Rails Up 107 in 2.72 m 105 in 2.67 m Rails Folded Down 72 in 1.83 m...

  • Page 10: Mec Operator Policy

    Any procedures not found within this manual must be evaluated by the individual to assure oneself that they are “proper and safe.” Your MEC Aerial Work Platform has been designed, built, and tested to provide many years of safe, dependable service. Only trained, authorized personnel should be allowed to operate or service the machine.

  • Page 11: Safety Symbols

    AFETY YMBOLS To help you recognize important safety information, we have identified warnings and instructions that directly impact on safety with the following signals: “DANGER” INDICATES AN IMMINENTLY HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, WILL RESULT IN DEATH OR SERIOUS INJURY. THIS SIGNAL WORD IS LIMITED TO THE MOST EXTREME SITUATIONS.

  • Page 12: General Safety Tips

    ENERAL AFETY Regular inspection and conscientious maintenance is the key to efficient economical oper- ation of your aerial work platform. It will help to assure that your equipment will perform satisfactorily with a minimum of service and repair. The actual operating environment of the machine governs the inspection schedule. Cor- rect lubrication is an essential part of the preventative maintenance to minimize wear on working parts and ensure against premature failure.

  • Page 13: Hydraulic System

    YDRAULIC YSTEM HYDRAULIC FLUID UNDER PRESSURE CAN PENETRATE AND BURN SKIN, DAMAGE EYES, AND MAY CAUSE SERIOUS INJURY, BLINDNESS, AND EVEN DEATH. CORRECT LEAKS IMMEDIATELY. Hydraulic fluid leaks under pressure may not always be visible. Check for pin hole leaks with a piece of cardboard, not your hand. L E C T R I C A L Y S T E M Prevent damage to battery and/or electrical system;...

  • Page 14: Primary Machine Components

    RIMAR Y ACHINE OMPONENTS Figure 1-2: Component Locations Document Box Loading Gate Lanyard Points (Option) Upper Controls Entry Gate Platform and Rails 91 84 Ladder Upper Boom Boom Support Wheel Lift Cylinder Control Module Pivot Gear Axle Float Cylinders Lower Boom Steering Components Front Drive Motors Tilt Cylinder...
  • Page 15 Figure 1-3: Component Locations, Modules Control Module Leveling GP400 Module Hydraulic Manifold Alarm Battery Disconnect Switch Power to Platform AC Connector Terminal Block Module Lower Controls Emergency Lowering Switch 12 Volt DC Battery Main Hydraulic Manifold Fuel Reservoir Power Module Hydraulic Hydraulic Fluid Reservoir...
  • Page 16 ORQUE PECIFICATIONS ASTENERS Use the following values to apply torque unless a specific torque value is called out for the part being used. AMERICAN STANDARD CAP SCREWS METRIC CAP SCREWS SAE GRADE METRIC GRADE 10.9 10.9 CAP SCREW CAP SCREW TORQUE TORQUE TORQUE...

  • Page 17: Emergency Systems And Procedures

    MERGENCY YSTEMS AND ROCEDURES 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 ELEVATING ASSEMBLY. M E R G E N C Y T O P The machine is equipped with an EMERGENCY STOP switch on both control panels.
  • Page 18 A R K I N G R A K E A N D O W I N G I R C U I T The machine can be winched or moved short distances in case of power failure at speeds not to exceed 5 MPH (8.05 km/h). Before towing or winching the machine, it is necessary to release the brake.

  • Page 19: Lift And Support The Machine

    IFT AND UPPORT THE ACHINE DEATH OR SERIOUS PERSONAL INJURY MAY RESULT FROM THE USE OF SUBSTANDARD LIFTING DEVICES AND/OR JACK STANDS. ENSURE THAT ALL LIFTING DEVICES AND JACK STANDS ARE OF ADEQUATE CAPACITY AND IN GOOD WORKING CONDITION BEFORE USE. The following are needed to safely lift and support the machine;...

  • Page 20: Transporting The Machine

    SUPERSEDE ANY GOVERNMENT OR COMPANY POLICY REGARDING THE LOADING, TRANSPORT OR LIFTING OF MEC MACHINERY. DRIVERS ARE RESPONSIBLE FOR LOADING AND SECURING MACHINES, AND SHOULD BE PROPERLY TRAINED AND AUTHORIZED TO OPERATE MEC MACHINERY. DRIVERS ARE ALSO RESPONSIBLE FOR SELECTING THE CORRECT AND APPROPRIATE TRAILER ACCORDING TO GOVERNMENT REGULATIONS AND COMPANY POLICY.
  • Page 21 Section 1 YDRAULIC YSTEM ONTENTS Hydraulic System – General ........1-2 Hydraulic Fluid .

  • Page 22: Hydraulic System - General

    – G Y D R A U L I C Y S T E M E N E R A L – G YDRAULIC YSTEM ENERAL The hydraulic integrated circuit, generally known as the manifold system (valve type) is designed to control all or part of machine functions by integrating various hydraulic cartridge valves into a manifold to provide directional, pressure, flow, and load control.
  • Page 23 – G Y D R A U L I C Y S T E M E N E R A L Y D R A U L I C O A D M A P YDRAULIC ESERVOIR Hydraulic fluid is held in the reservoir for delivery to the various components and then returned to the reservoir.

  • Page 24: Hydraulic Fluid

    E C O M M E N D A T I O N S MEC recommends the use of Mobile Fluid DTE 10, DTE 13 M or AW32 hydraulic fluid. Do not substitute with lower grade fluids as pump damage may result.

  • Page 25: Hydraulic Fluid

    Y D R A U L I C L U I D E S E R V O I R YDRAULIC LUID ESERVOIR Consists of the reservoir, a filler cap with breather, a drain plug, a sight gauge, and a bypass filter with a 10 micron filter element.
  • Page 26 - 3 0 8 4 R T Y D R A U L I C U M P - 3084RT YDRAULIC NOTE: Refer to Section 4 – Hydraulic Pressure Adjustment Procedures. Refer to Parts Section F. An internal combustion engine drives a variable displacement axial piston pump. EMOVE 1.
  • Page 27 - 3 0 8 4 R T Y D R A U L I C U M P Figure 1-3: Hydraulic Pump - 3084RT Hydraulic Pump Pump Hose Connections Load Sense 3084RT Engine Case Drain Flywheel Pump Drive Suction Pressure Standby Pressure Relief...
  • Page 28 5. Install the snap ring. 6. Install the shaft key. YDRAULIC EBUILD Pump rebuild should be performed only by a qualified mechanic. Contact MEC Technical Support before attempting to rebuild the pump. October 2009 “3084 Speed Level™ Sigma Lift” Service and Parts Manual...

  • Page 29: Hydraulic Pump 3084Rt

    - 3 0 8 4 R T Y D R A U L I C U M P Figure 1-4: Hydraulic Pump Seals - 3084RT Hydraulic Pump Snap Ring 3084RT Shaft Seal Snap Ring Housing Shaft Seal Drive shaft splines Snap Ring Covered with tape Groove...

  • Page 30: Hydraulic Pump - 3084Es

    - 3 0 8 4 E S Y D R A U L I C U M P - 3084ES YDRAULIC The hydraulic pump and electric motor used on the 3084ES model contain no serviceable parts, and must be replaced rather than repaired. See the Parts section of this manual for more information.
  • Page 31 Y D R A U L I C A N I F O L D YDRAULIC ANIFOLD NOTE: Refer to Parts Section E. Tag all components as they are removed to aid in reassembly. YDRAULIC ANIFOLD EMOVAL 1. Disconnect the negative battery terminal. 2.
  • Page 32 Y D R A U L I C A N I F O L D Figure 1-6: Main Hydraulic Manifold - 3084RT Hydraulic Manifold 3084RT HIGH SPEED HIGH TORQUE 213 - YEL/WHT 313 - YEL/BLK DRIVE FORWARD DRIVE REVERSE 111 - GRY/RED 110 - GRY/BLK TO TANK LIFT...
  • Page 33 Y D R A U L I C A N I F O L D Figure 1-7: Main Hydraulic Manifold - 3084ES Hydraulic Manifold 3084ES HIGH SPEED HIGH TORQUE 213 - YEL/WHT 313 - YEL/BLK DRIVE FORWARD DRIVE REVERSE 111 - GRY/RED 110 - GRY/BLK TO TANK LIFT...
  • Page 34 Y D R A U L I C A N I F O L D Figure 1-8: Main Hydraulic Manifold - 3084ES Alternate Configuration Hydraulic Manifold - Alternate Configuration 3084ES HIGH SPEED HIGH TORQUE 213 - YEL/WHT 313 - YEL/BLK DRIVE FORWARD DRIVE REVERSE 111 - GRY/RED...
  • Page 35 Y D R A U L I C A N I F O L D Figure 1-9: Hydraulic Manifold, Leveling FRONT BOTTOM ORIFICE PLUG ORIFICE PLUG AXLE LOCK CYLINDERS TILT TILT FRONT TO REAR SIDE TO SIDE TILT TILT FRONT TO REAR SIDE TO SIDE CHECK VALVE RIGHT...
  • Page 36 R I V E A N D R A K E Y S T E M RIVE AND RAKE YSTEM H E E L R I V E NOTE: Refer to Section 3 for Remove and Install instructions. Refer to Parts Section D. There are four (4) hydraulic fixed-displacement gear wheel motors to provide power to all four wheels.
  • Page 37 R I V E A N D R A K E Y S T E M (DT-701) R O N T H E E L O T O R S Refer to Figure 1-10. OUSING AND HAFT ISASSEMBLY 1. Remove all shaft-related components from the shaft. Secure the motor housing in a vise.
  • Page 38 R I V E A N D R A K E Y S T E M OTOR ECTION ISASSEMBLY 1. Make a “V” shaped set of alignment marks on the end-cover and housing to aid in the reassembly process. • Clamp the motor housing in a vise with the shaft facing down. 2.
  • Page 39 R I V E A N D R A K E Y S T E M Figure 1-10: Front Wheel Motor (DT701) Exploded View “V” Marks for Reassembly TORQUE SEQUENCE PRE-TORQUE = 10 FT LBS FINAL TORQUE = 50 FT LBS DT701 Series Motor Components 1.
  • Page 40 R I V E A N D R A K E Y S T E M (DT-710) E A R H E E L O T O R S W I T H R A K E S Refer to Figure 1-11. ISASSEMBLY 1.
  • Page 41 R I V E A N D R A K E Y S T E M 5. Install the small O-Ring seal and large O-Ring seal into corresponding groves in the piston. • Install small seal and large seal in corresponding groves over the O-Ring seals. •...
  • Page 42 R I V E A N D R A K E Y S T E M Figure 1-11: Rear Wheel Motor (DT-710) Exploded View “V” Marks for Reassembly TORQUE SEQUENCE PRE-TORQUE = 10 FT LBS FINAL TORQUE = 50 FT LBS Rear Housing Mounting Surface Piston 15.7 mm...
  • Page 43 R I V E A N D R A K E Y S T E M L O A T I N G X L E O C K Y L I N D E R S NOTE: Refer to Cylinder Repair. Refer to Section 3 for Remove and Replace instructions.

  • Page 44: Main Hydraulic Manifold - 3084Rt

    T E E R I N G I R C U I T TEERING IRCUIT NOTE: Refer to Hydraulic Manifold and Relief Pressure Adjustment Procedure. Refer to Section 3 for Remove and Replace instructions. Refer to Parts Section E for hose routing. The steering system consists of the following components: •...

  • Page 45: Platform Leveling Manifold And Cylinders

    L A T F O R M E V E L I N G Y S T E M LATFORM EVELING YSTEM There are two (2) hydraulic cylinders in the platform leveling system. These cylinders work in conjunction with a pivot mount to allow the platform and boom to tilt front-to-rear and side-to-side in order to provide a level work platform.

  • Page 46: Platform Lift, Main Hydraulic Manifold

    L A T F O R M I F T I R C U I T LATFORM IRCUIT NOTE: Refer to Hydraulic Manifold and Relief Pressure Adjustment Procedure. Refer to Section 3 for Remove and Replace instructions. • On model 3084RT, the lift system uses the hydraulic pump to obtain proportional lifting func- tion controlled by the lift valve and proportional valve.

  • Page 47: Lift Cylinder

    L A T F O R M I F T I R C U I T I F T Y L I N D E R NOTE: Refer to Cylinder Repair. One (1) single acting type hydraulic cylinder. The cylinder has an integrated 2-position, 2-way solenoid operated platform lower valve for holding the platform in position.

  • Page 48: Typical Cylinders, Exploded View

    E N E R A L Y L I N D E R E P A I R ENERAL YLINDER EPAIR CYLINDERS ARE HEAVY. SUPPORT CYLINDERS BEFORE REMOVING HARDWARE THAT SECURES THE CYLINDER TO THE MACHINE. Figure 1-17: Typical Cylinders, Exploded View Return to Tank Piston Seals...
  • Page 49 E N E R A L Y L I N D E R E P A I R R E P A R A T I O N Take precautions to protect the rod surface. Guard against dirt or other foreign objects entering system.
  • Page 50 E N E R A L Y L I N D E R E P A I R Y L I N D E R S S E M B L Y CAUTION: • To insure a quality repair, cylinder parts must be thoroughly cleaned, dry, and free of solvents, and assembly must be performed in a clean area free of dust and contamination.
  • Page 51 - 3 0 8 4 R T E N E R A T O R P T I O N - 3084RT ENERATOR PTION NOTE: Refer to Section 6, Refer to Parts Sections E and F This option is available only on model 3084RT. Figure 1-18: Optional Generator Connections Speed Control Valve Solenoid Valve...
  • Page 52 - 3 0 8 4 R T E N E R A T O R P T I O N O T E S October 2009 “3084 Speed Level™ Sigma Lift” Service and Parts Manual Page 1-32...
  • Page 53 Section 2 LECTRICAL YSTEM ONTENTS Electrical System – General ........2-3 Batteries .
  • Page 54 IGURES Diagnostic LED ..........2-3 Emergency Stop Switches .
  • Page 55 – G L E C T R I C A L Y S T E M E N E R A L – G LECTRICAL YSTEM ENERAL The electrical control system consists of lower controls located on the machine base and upper controls located on the machine platform.
  • Page 56 – G L E C T R I C A L Y S T E M E N E R A L - 3084RT TART ELAY IGHT The START DELAY light is located on the Lower Control box (see Figure 2-4 on Page 2-8).
  • Page 57 A T T E R I E S ATTERIES Discharged batteries can freeze, causing damage to the battery and/or battery case. A broken battery case will allow electrolyte to leak out. CHARGING BATTERIES CREATE EXPLOSIVE HYDROGEN GAS. KEEP SPARKS, FLAMES AND SMOKING MATERIALS AWAY FROM BATTERIES. ALWAYS WEAR SAFETY GLASSES WHEN WORKING WITH BATTERIES.
  • Page 58 A T T E R I E S A T T E R Y A I N T E N A N C E I N U S E Check battery and surrounding area for signs of damage or corrosion. Check battery terminals for: •...
  • Page 59 A T T E R I E S A T T E R Y E P L A C E M E N T TURN OFF THE BATTERY DISCONNECT SWITCH BEFORE REMOVING ANY BATTERY FROM THE MACHINE. Prevent damage to the battery and/or electrical system; •...
  • Page 60 O N T R O L S ONTROLS - 3084RT D O W E R O N T R O L S U A L U E L I E S E L Figure 2-4: Lower Controls--Dual Fuel Emergency Stop Hour Meter Start Delay Raise...
  • Page 61 O N T R O L S - 3084ES E O W E R O N T R O L S L E C T R I C Figure 2-5: Lower Controls--Electric Emergency Stop Hour Meter Charge Indicator Raise (Green) Lower (Green) Battery...
  • Page 62 O N T R O L S - 3084RT D P P E R O N T R O L S U A L U E L I E S E L Figure 2-6: Upper Controls--Dual Fuel Emergency Stop Speed / Torque Horn (Optional) Tilt Indicator 6 Generator (Option)
  • Page 63 O N T R O L S - 3084ES E P P E R O N T R O L S L E C T R I C Figure 2-7: Upper Controls-Electric Overload Indicator Lamp Speed / Torque Lift / Drive OFF | ON Switch 5 Emergency Stop Steering...
  • Page 64 L A R M S A N D W I T C H E S LARMS AND WITCHES OVEMENT LARM The Movement Alarm is activated as soon as the DOWN operation is activated from either control station. This is the default setting. If desired, the movement alarm setting can be modified to activate the alarm during other functions (refer to Section 4: Troubleshooting).
  • Page 65 L A R M S A N D W I T C H E S Figure 2-10: CAN Tilt Angle Transducer CAN T NGLE RANSDUCER Provides level information to GP400. • Platform Level located on the mast assembly, accessible through the rear of the mast.
  • Page 66 O N N E C T O R S EUTSCH ONNECTORS Deutsch connectors used on MEC equipment are designed so that individual parts may be replaced without replacing the entire component. Special tools and detailed instructions are provided in Deutsch Connector field kits, MEC part no. 84091.
  • Page 67 O N T I N U I T Y H E C K S ONTINUITY HECKS Figure 2-13: Selector Switch – ON-OFF ELECTOR WITCH • Disconnect wires. Normally Normally Open Open • Connect first probe of ohm meter to common terminal. •...
  • Page 68 O N T I N U I T Y H E C K S – 1-P OGGLE WITCH OSITION Figure 2-16: Toggle Switch, 1-Pole 3-Position • Disconnect wires. • Connect first probe of ohm meter to common terminal. • Connect second probe of ohm meter to top terminal. •...
  • Page 69 O N T I N U I T Y H E C K S Figure 2-18: Button Switch, Momentary OMENTARY UTTON WITCH • Disconnect wires. Common • Connect one probe of ohm meter each terminal. • With the button in the neutral (open) position there should be no reading.
  • Page 70 G P4 0 0 C O N T R O L O D U L E E T U P GP400 C ONTROL ODULE ETUP O C A T I O N • The GP400 Control Module processor is located in the lower control box. •...
  • Page 71 ONLY TRAINED AND AUTHORIZED PERSONNEL SHALL BE PERMITTED TO CALIBRATE THE PLATFORM OVERLOAD SENSING SYSTEM. READ ALL INSTRUCTIONS CLOSELY BEFORE ATTEMPTING EACH STEP OF THE CALIBRATION PROCEDURE. Figure 2-22: EZ-Cal Connection Calibrator GP400 Control Module MEC P/N 90888 GP400 Lower Controls Module Terminal Block SYMBOL...
  • Page 72 GP400 C A L I B R A T I O N The EZ-Cal hand held device (MEC part # 90888) is required to access the GP400 for troubleshooting and calibration. The GP400 processor relies on angle and pressure sensors to monitor machine position at all times.
  • Page 73 G P4 0 0 C O N T R O L O D U L E E T U P 1. Park machine on a flat level surface. 2. Be sure that all tires are properly inflated to the same pressure and that the tires are all the same size.
  • Page 74 G P4 0 0 C O N T R O L O D U L E E T U P 9. Press Enter. • Display reads PLEASE LIFT. 10. Hold lower controls switch in the up position until machine is fully elevated, then release switch.
  • Page 75 G P4 0 0 C O N T R O L O D U L E E T U P 7. Press Right Arrow to SETUPS, Press Enter. • Display reads CHANGE DEFAULTS 8. Press Right Arrow to LOAD SETUPS. Press Enter. •...
  • Page 76 G P4 0 0 C O N T R O L O D U L E E T U P CE Height Calibration For this procedure it is not necessary to place any load in the platform. 1. Drive machine to a flat, level surface where it can reach full elevation. 2.
  • Page 77 G P4 0 0 C O N T R O L O D U L E E T U P A L I B R A T I O N R O B L E M S ALIBRATION ROBLEMS A I L U R E E S S A G E S Various problems can be detected by the EZ-Cal that prevent successful calibration.
  • Page 78 G P4 0 0 C O N T R O L O D U L E E T U P A L I B R A T I O N R O B L E M S F12:TOO MANY This message occurs if the DYNAMIC lift takes too long. This message could occur if the UP switch was not released at the end of the dynamic lift.
  • Page 79 Check DIAGNOSTICS / SYSTEM to check the height. F24:TOO MANY This message occurs if too many static measurements are taken during a calibration step. In the rare event that this occurs, please call MEC for assistance. F25:CHECK ELEV F26:CHECK ELEV This message indicates a problem with the elevation switch (P7-5) during the STATIC phases.
  • Page 80 G P4 0 0 C O N T R O L O D U L E E T U P A L I B R A T I O N R O B L E M S There is not enough difference between the initial pressure peak and the minimum pres- sure.
  • Page 81 G P4 0 0 C O N T R O L O D U L E E T U P A L I B R A T I O N R O B L E M S F48:BAD PRESSURE This message is given if the pressure sensor output (P8-2 and P8-6) is out of range at the start of calibration.
  • Page 82 G P4 0 0 C O N T R O L O D U L E E T U P A L I B R A T I O N R O B L E M S N F O R M A T I O N E S S A G E S During calibration the following messages will be displayed.
  • Page 83 G P4 0 0 C O N T R O L O D U L E E T U P A L I B R A T I O N R O B L E M S MUST GO DOWN! This message occurs if the wrong switch is operated when the GP400 is waiting for the platform to be lowered.
  • Page 84 G P4 0 0 C O N T R O L O D U L E E T U P A L I B R A T I O N R O B L E M S Press ENTER when “NO” is displayed if there is no need to redo the LOADED phase. Press UP or DOWN to display “YES”...
  • Page 85 Section 3 ECHANICAL OMPONENTS ONTENTS Mechanical Components ......... 3-3 Base .
  • Page 86 IGURES Front Drive Motor ..........3-4 Rear Drive Motor .

  • Page 87: Mechanical Components

    E C H A N I C A L O M P O N E N T S ECHANICAL OMPONENTS This section describes the major components of the machine and the steps required to service them. A S E When steam cleaning the base/undercarriage, cover electrical components to prevent water penetration.

  • Page 88: Drive Motors

    E C H A N I C A L O M P O N E N T S R I V E O T O R S Refer to Section 1 for repair information. There are two (2) hydraulic drive motors on the front axle and two (2) hydraulic drive motors on the rear drive axle.
  • Page 89 E C H A N I C A L O M P O N E N T S RIVE OTOR Refer to “Lift and Support The Machine” in the Introduction section for instructions and safety precautions. Figure 3-2: Rear Drive Motor Upper Hose Guard Bypass Valve...

  • Page 90: Steer Cylinder

    E C H A N I C A L O M P O N E N T S T E E R Y L I N D E R There are two (2) double acting type steer cylinders on this machine. During operation, cylinder(s) should not leak, but a slight damping at the rod seal is acceptable.
  • Page 91 E C H A N I C A L O M P O N E N T S L O A T I N G X L E O C K Y L I N D E R S There are two Floating Axle Lock Cylinders located at the front of the machine. EMOVE 1.
  • Page 92 E C H A N I C A L O M P O N E N T S Figure 3-4: Floating Axle Lock Cylinder OCKING AND ENTER OSITION 1. Place a block approxi- mately 4 inches (10 cm) high behind one of the front Pivot Pin tires.
  • Page 93 E C H A N I C A L O M P O N E N T S L A T F O R M E V E L I N G Y L I N D E R S There are two Tilt Cylinders located at the rear of the machine.

  • Page 94: Hoses And Cables

    E C H A N I C A L O M P O N E N T S O S E S A N D A B L E S NOTE: Refer to Parts Section E for detailed hydraulic hose diagrams. Inspect all hoses and electrical cables for security and damage.

  • Page 95: Lift Cylinder Removal And Installation

    E C H A N I C A L O M P O N E N T S I F T Y L I N D E R E M O V A L A N D N S T A L L A T I O N NOTE: Refer to Section 1 for seal replacement instructions.
  • Page 96 E C H A N I C A L O M P O N E N T S O O M L E V A T I N G S S E M B L Y Remove the platform (see "Platform Removal" on page 3-10). Figure 3-8: Elevating Assembly Removal 1.

  • Page 97: Lubrication

    U B R I C A T I O N UBRICATION Figure 3-9: Lubrication Points ART_3085 ITEM SPECIFICATION FREQUENCY Hydraulic Mobile Fluid DTE 10, DTE 13 M, or Routine Maintenance Reservoir AW32 M Check Daily Do not substitute with lower grade fluids Scheduled Maintenance as pump damage may result.

  • Page 98: Engine Maintenance

    N G I N E A I N T E N A N C E NGINE AINTENANCE I E S E L N G I N E O D E L S For complete service information consult the engine manual that came with the machine. Always wear protective eye-wear when working with fuel and oil.
  • Page 99 N G I N E A I N T E N A N C E ILTER IESEL Figure 3-11: Diesel Engine Fuel Filter Fuel Filter Bleed Screw 1. Turn OFF valve on bottom of fuel tank. 2. Place a suitable container beneath the fuel fil- ter assembly to catch spilled fuel.
  • Page 100 N G I N E A I N T E N A N C E HROTTLE OLENOID DJUSTMENT IESEL IMPORTANT: – This final adjustment must be made after all other throttle speed adjust- ments. The solenoid must be free to retract fully in order to turn OFF the High Amperage Pull Circuit.
  • Page 101 N G I N E A I N T E N A N C E & D A S O L I N E U A L U E L N G I N E O D E L S For complete service information consult the engine manual that came with the machine.
  • Page 102 N G I N E A I N T E N A N C E & D ILTER LEMENT ASOLINE Figure 3-14: Dual Fuel Engine Air Filter Element 1. Unlock the catches holding the filter canister cover. Air Filter Canister 2.
  • Page 103 N G I N E A I N T E N A N C E & D PEED DJUSTMENT ASOLINE 1. Bring the engine to operating temperature. 2. With the engine at idle, adjust the Throttle Stop Screw until the engine RPM is 1350±50.
  • Page 104 N G I N E A I N T E N A N C E O T E S November 2009 “3084 Speed Level™ Sigma Lift” Service and Parts Manual Page 3-20...
  • Page 105 Section 4a ROUBLESHOOTING 3084RT MODELS ONTENTS General Troubleshooting Tips ........4a-3 Electrical System Troubleshooting - 3084RT .
  • Page 106 IGURES GP400 Module ..........4a-5 Matrix Module .

  • Page 107: General Troubleshooting Tips

    • Hydraulic fluid contaminated with debris - filter change interval neglected. NOTE: MEC uses a multiple viscosity fluid that is light enough for cold climates and resists thinning in warm climates. Use only the recommended hydraulic fluid. Substituting with a lower grade fluid will result in pump failure.

  • Page 108: Electrical System Troubleshooting - 3084Rt

    - 3 0 8 4 R T - - E - 3 0 8 4 R T R O U B L E S H O O T I N G M O D E L S L E C T R I C A L Y S T E M R O U B L E S H O O T I N G - 3084RT...
  • Page 109 - 3 0 8 4 R T - - E - 3 0 8 4 R T R O U B L E S H O O T I N G M O D E L S L E C T R I C A L Y S T E M R O U B L E S H O O T I N G GP400 M...
  • Page 110 - 3 0 8 4 R T - - E - 3 0 8 4 R T R O U B L E S H O O T I N G M O D E L S L E C T R I C A L Y S T E M R O U B L E S H O O T I N G A T R I X...

  • Page 111: Gp400 Module

    O O L EZ-C The EZ-Cal (MEC part # 90888; not part of the machine) is a hand-held scan tool that interfaces with the system to provide various information and adjustments. The EZ-cal receives its power from the GP400 when connected. The system must be powered up by closing the Battery disconnect switch and pulling both emergency stop switches.
  • Page 112 ACCESS LEVEL 1 PROVIDES ACCESS TO CHANGE PERSONALITIES NORMALLY PRESET AT THE FACTORY TO PROVIDE PROPER MACHINE MOVEMENT AT SAFE SPEEDS. PERSONALITIES MUST NOT BE CHANGED WITHOUT PRIOR AUTHORIZATION FROM MEC AND MAY ONLY BE RETURNED TO FACTORY SPECIFICATION AS LISTED IN THE FOLLOWING TABLES.
  • Page 113 - 3 0 8 4 R T - - U E Z - C R O U B L E S H O O T I N G M O D E L S S I N G T H E A L W I T H T H E L O W H A R T S...
  • Page 114 - 3 0 8 4 R T - - U E Z - C R O U B L E S H O O T I N G M O D E L S S I N G T H E A L W I T H T H E L O W H A R T S...
  • Page 115 - 3 0 8 4 R T - - U E Z - C R O U B L E S H O O T I N G M O D E L S S I N G T H E A L W I T H T H E L O W H A R T S...
  • Page 116 - 3 0 8 4 R T - - U E Z - C R O U B L E S H O O T I N G M O D E L S S I N G T H E A L W I T H T H E L O W H A R T S...

  • Page 117: Ez-Cal Adjustment

    - 3 0 8 4 R T - - E Z - C R O U B L E S H O O T I N G M O D E L S D J U S T M E N T EZ-C DJUSTMENT Refer to "Using the EZ-cal Scan Tool"...
  • Page 118 - 3 0 8 4 R T - - E Z - C R O U B L E S H O O T I N G M O D E L S D J U S T M E N T Table 4a-1: EZ-Cal Adjustment Table OPERATION PERSONALITY...
  • Page 119 - 3 0 8 4 R T - - E Z - C R O U B L E S H O O T I N G M O D E L S D J U S T M E N T EZ-C E T U P Refer to "Using the EZ-cal Scan Tool"...

  • Page 120: Ez-Cal Diagnostics

    - 3 0 8 4 R T - - E Z - C R O U B L E S H O O T I N G M O D E L S D J U S T M E N T EZ-C I A G N O S T I C S The EZ-Cal Diagnostics menu provides the ability to view and test individual circuits for...
  • Page 121 - 3 0 8 4 R T - - E Z - C R O U B L E S H O O T I N G M O D E L S D J U S T M E N T Table 4a-3: EZ-Cal Diagnostics Menu EZ-cal SELECTION...
  • Page 122 Axle Lock Valves. ON= Axle valves powered, front axle will oscillate 2F-25 Cal Date Date of Load Sense calibration (CE option only) 2G-1 Software MEC specific software version 2G-2 Powered Accumulated time GP400 powered up (red LED on) 2G-3 November 2009 “3084 Speed Level™...

  • Page 123: Ez-Cal Retrieve Mode And Help Messages

    - 3 0 8 4 R T - - E R O U B L E S H O O T I N G M O D E L S E T R I E V E O D E E L P E S S A G E S ETRIEVE...
  • Page 124 - 3 0 8 4 R T - - E R O U B L E S H O O T I N G M O D E L S E T R I E V E O D E E L P E S S A G E S PLATFORM, GROUND...
  • Page 125 - 3 0 8 4 R T - - E R O U B L E S H O O T I N G M O D E L S E T R I E V E O D E E L P E S S A G E S EXTENDING LEGS...
  • Page 126 - 3 0 8 4 R T - - E R O U B L E S H O O T I N G M O D E L S E T R I E V E O D E E L P E S S A G E S EZ-C...
  • Page 127 - 3 0 8 4 R T - - E R O U B L E S H O O T I N G M O D E L S E T R I E V E O D E E L P E S S A G E S FUNCTION ACTIVE M...
  • Page 128 - 3 0 8 4 R T - - E R O U B L E S H O O T I N G M O D E L S E T R I E V E O D E E L P E S S A G E S SHUTDOWN H...
  • Page 129 - 3 0 8 4 R T - - E R O U B L E S H O O T I N G M O D E L S E T R I E V E O D E E L P E S S A G E S RELEASE TRIGGER! ____________________________________ Flash Code: 2/2...
  • Page 130 - 3 0 8 4 R T - - E R O U B L E S H O O T I N G M O D E L S E T R I E V E O D E E L P E S S A G E S SUPPLY M...
  • Page 131 - 3 0 8 4 R T - - E R O U B L E S H O O T I N G M O D E L S E T R I E V E O D E E L P E S S A G E S SENSOR M...
  • Page 132 - 3 0 8 4 R T - - E R O U B L E S H O O T I N G M O D E L S E T R I E V E O D E E L P E S S A G E S OTHER M...

  • Page 133: Troubleshooting Chart

    - 3 0 8 4 R T - - T R O U B L E S H O O T I N G M O D E L S R O U B L E S H O O T I N G H A R T ROUBLESHOOTING HART...
  • Page 134 - 3 084 RT - - T R O U B L E S H O O T I N G M O D E L S R O U B L E S H O O T I N G H A R T Table 4a-4: Troubleshooting Chart PROBLEM...
  • Page 135 - 3 0 8 4 R T - - T R O U B L E S H O O T I N G M O D E L S R O U B L E S H O O T I N G H A R T Table 4a-4: Troubleshooting Chart PROBLEM...
  • Page 136 - 3 084 RT - - T R O U B L E S H O O T I N G M O D E L S R O U B L E S H O O T I N G H A R T Table 4a-4: Troubleshooting Chart PROBLEM...
  • Page 137 • Before attempting to check and/or adjust pressure relief valves, operate the machine for 15 minutes or long enough to sufficiently warm the hydraulic fluid. • Insert a 0-5000 psi gauge onto the pressure test port on the valve manifold using gauge adapter fitting MEC part no. 8434 Table 4a-5: Hydraulic Pressure Adjustment Model...

  • Page 138: Adjustments - 3084Rt

    Excessive flow will result in severe engine loading and stalling. Reduced flow will result in slower functions with no engine loading. If you suspect that the setting is incorrect, please call MEC Product Support at (800) 387-4575 for assistance. Lift Relief (RV1) The Lift Relief valve is located on the left-side, center of the valve manifold.

  • Page 139: Counterbalance Valves

    - 3 084 RT - - H - 3 0 8 4 R T R O U B L E S H O O T I N G M O D E L S Y D R A U L I C R E S S U R E D J U S T M E N T Steering Relief (RV2)
  • Page 140 - 3 0 8 4 R T - - C R O U B L E S H O O T I N G M O D E L S O M P O N E N T L L U S T R A T I O N S OMPONENT LLUSTRATIONS Figure 4a-12: Controls and Switches...

  • Page 141: Steer Right

    - 3 0 8 4 R T - - C R O U B L E S H O O T I N G M O D E L S O M P O N E N T L L U S T R A T I O N S Figure 4a-13: Hydraulic Manifold, Hydraulic Manifold 3084RT...
  • Page 142 - 3 0 8 4 R T R O U B L E S H O O T I N G M O D E L S O T E S November 2009 “3084 Speed Level™ Sigma Lift” Service and Parts Manual Page 4a-38...
  • Page 143 Section 4b ROUBLESHOOTING - 3084ES MODEL ONTENTS General Troubleshooting Tips ........4b-3 Electrical System Troubleshooting - 3084ES .
  • Page 144 IGURES Figure 4b-1: GP400 Module ........4-5 Figure 4b-2: Matrix Module .

  • Page 145: General Troubleshooting Tips

    • Hydraulic fluid contaminated with debris - filter change interval neglected. NOTE: MEC uses a multiple viscosity fluid that is light enough for cold climates and resists thinning in warm climates. Use only the recommended hydraulic fluid. Substituting with a lower grade fluid will result in pump failure.
  • Page 146 - 3 0 8 4 E S - - E - 3 0 8 4 E S R O U B L E S H O O T I N G M O D E L L E C T R I C A L Y S T E M R O U B L E S H O O T I N G - 3084ES...
  • Page 147 - 3 0 8 4 E S - - E - 3 0 8 4 E S R O U B L E S H O O T I N G M O D E L L E C T R I C A L Y S T E M R O U B L E S H O O T I N G GP400 M...

  • Page 148: Terminal Block Module

    - 3 0 8 4 E S - - E - 3 0 8 4 E S R O U B L E S H O O T I N G M O D E L L E C T R I C A L Y S T E M R O U B L E S H O O T I N G A T R I X...

  • Page 149: Diagnostic Led

    - 3 0 8 4 E S - - E - 3 0 8 4 E S R O U B L E S H O O T I N G M O D E L L E C T R I C A L Y S T E M R O U B L E S H O O T I N G P600 M...

  • Page 150: Gp400 Module

    O O L EZ-C The EZ-Cal (MEC part # 90888; not part of the machine) is a hand-held scan tool that interfaces with the system to provide various information and adjustments. The EZ-cal receives its power from the GP400 when connected. The system must be powered up by closing the Battery disconnect switch and pulling both emergency stop switches.
  • Page 151 ACCESS LEVEL 1 PROVIDES ACCESS TO CHANGE PERSONALITIES NORMALLY PRESET AT THE FACTORY TO PROVIDE PROPER MACHINE MOVEMENT AT SAFE SPEEDS. PERSONALITIES MUST NOT BE CHANGED WITHOUT PRIOR AUTHORIZATION FROM MEC AND MAY ONLY BE RETURNED TO FACTORY SPECIFICATION AS LISTED IN THE FOLLOWING TABLES.
  • Page 152 - 3 0 8 4 E S - - U E Z - C R O U B L E S H O O T I N G M O D E L S I N G T H E A L W I T H T H E L O W H A R T S...
  • Page 153 - 3 0 8 4 E S - - U E Z - C R O U B L E S H O O T I N G M O D E L S I N G T H E A L W I T H T H E L O W H A R T S...
  • Page 154 - 3 0 8 4 E S - - U E Z - C R O U B L E S H O O T I N G M O D E L S I N G T H E A L W I T H T H E L O W H A R T S...
  • Page 155 - 3 0 8 4 E S - - U E Z - C R O U B L E S H O O T I N G M O D E L S I N G T H E A L W I T H T H E L O W H A R T S...

  • Page 156: Ez-Cal Adjustment

    - 3 0 8 4 E S - - E Z - C R O U B L E S H O O T I N G M O D E L D J U S T M E N T EZ-C DJUSTMENT Refer to "EZ-Cal Scan Tool"...
  • Page 157 - 3 0 8 4 E S - - E Z - C R O U B L E S H O O T I N G M O D E L D J U S T M E N T Table 4b-1: EZ-Cal Adjustment Table OPERATION PERSONALITY...
  • Page 158 - 3 0 8 4 E S - - E Z - C R O U B L E S H O O T I N G M O D E L D J U S T M E N T EZ-C E T U P Refer to "EZ-Cal Scan Tool"...

  • Page 159: Ez-Cal Diagnostics

    - 3 0 8 4 E S - - E Z - C R O U B L E S H O O T I N G M O D E L D J U S T M E N T EZ-C I A G N O S T I C S The EZ-Cal Diagnostics menu provides the ability to view and test individual circuits for...
  • Page 160 Axle Lock Valves. ON= Valves activated (axles can oscillate) 2F-20 Cal Date Date of last calibration (height or load) 2H-1 Software MEC specific software 2H-2 Powered Accumulated time GP400 powered up (red LED on) 2H-3 November 2009 “3084 Speed Level™ Sigma Lift” Service and Parts Manual...

  • Page 161: Ez-Cal Retrieve Mode And Help Messages

    - 3 0 8 4 E S - - E R O U B L E S H O O T I N G M O D E L E T R I E V E O D E E L P E S S A G E S ETRIEVE ESSAGES...

  • Page 162: Steer Left

    - 3 0 8 4 E S - - E R O U B L E S H O O T I N G M O D E L E T R I E V E O D E E L P E S S A G E S PLATFORM, GROUND •...
  • Page 163 - 3 0 8 4 E S - - E R O U B L E S H O O T I N G M O D E L E T R I E V E O D E E L P E S S A G E S EXTENDING LEGS •...
  • Page 164 - 3 0 8 4 E S - - E R O U B L E S H O O T I N G M O D E L E T R I E V E O D E E L P E S S A G E S EZ-C HELP M...
  • Page 165 - 3 0 8 4 E S - - E R O U B L E S H O O T I N G M O D E L E T R I E V E O D E E L P E S S A G E S FUNCTION ACTIVE M E S S A G E S...
  • Page 166 - 3 0 8 4 E S - - E R O U B L E S H O O T I N G M O D E L E T R I E V E O D E E L P E S S A G E S SHUTDOWN H E L P...
  • Page 167 - 3 0 8 4 E S - - E R O U B L E S H O O T I N G M O D E L E T R I E V E O D E E L P E S S A G E S RELEASE TRIGGER! ____________________________________ Flash Code: 2/2 •...
  • Page 168 - 3 0 8 4 E S - - E R O U B L E S H O O T I N G M O D E L E T R I E V E O D E E L P E S S A G E S P600 TEMPERATURE M E S S A G E S...
  • Page 169 - 3 0 8 4 E S - - E R O U B L E S H O O T I N G M O D E L E T R I E V E O D E E L P E S S A G E S SENSOR M CE MODELS...
  • Page 170 - 3 0 8 4 E S - - E R O U B L E S H O O T I N G M O D E L E T R I E V E O D E E L P E S S A G E S OTHER M E S S A G E S...

  • Page 171: Troubleshooting Chart

    - 3 0 8 4 E S - - T R O U B L E S H O O T I N G M O D E L R O U B L E S H O O T I N G H A R T ROUBLESHOOTING HART...
  • Page 172 - 3 0 8 4 E S - - T R O U B L E S H O O T I N G M O D E L R O U B L E S H O O T I N G H A R T LIFT/LOWER Platform will not raise;...
  • Page 173 - 3 0 8 4 E S - - T R O U B L E S H O O T I N G M O D E L R O U B L E S H O O T I N G H A R T No drive elevated Unit out of level...
  • Page 174 - 3 0 8 4 E S - - T R O U B L E S H O O T I N G M O D E L R O U B L E S H O O T I N G H A R T LIFT AND DRIVE No drive or lift...
  • Page 175 - 3 0 8 4 E S - - T R O U B L E S H O O T I N G M O D E L R O U B L E S H O O T I N G H A R T No auto-level Switch or switch wiring problem.
  • Page 176 The MEC battery charger is a fully automatic type with a maintenance feature that will maintain battery voltage indefinitely when connected to an AC power source. The battery charger should be plugged into an un-switched AC power source if the machine is stored for long periods of time.
  • Page 177 - 3 0 8 4 E S - - T R O U B L E S H O O T I N G M O D E L R O U B L E S H O O T I N G A T T E R Y H A R G E R L E C T R I C...
  • Page 178 - 3 0 8 4 E S - - T R O U B L E S H O O T I N G M O D E L R O U B L E S H O O T I N G A T T E R Y H A R G E R L E C T R I C...
  • Page 179 • Before attempting to check and/or adjust pressure relief valves, operate the machine for 15 minutes or long enough to sufficiently warm the hydraulic fluid. • Insert a 0-5000 psi gauge onto the pressure test port on the valve manifold using gauge adapter fitting MEC part no. 8434 Table 4b-7: Hydraulic Pressure Adjustment Model...

  • Page 180: Adjustments - 3084Es

    - 3 0 8 4 E S - - H - 3 0 8 4 E S R O U B L E S H O O T I N G M O D E L Y D R A U L I C R E S S U R E D J U S T M E N T - 3084ES...

  • Page 181: Counterbalance Valves

    - 3 0 8 4 E S - - H - 3 0 8 4 E S R O U B L E S H O O T I N G M O D E L Y D R A U L I C R E S S U R E D J U S T M E N T O U N T E R B A L A N C E...

  • Page 182: Micro-Switch

    - 3 0 8 4 E S - - C R O U B L E S H O O T I N G M O D E L O M P O N E N T L L U S T R A T I O N S OMPONENT LLUSTRATIONS Figure 4b-14: Controls and Switches, ES...
  • Page 183 - 3 0 8 4 E S - - C R O U B L E S H O O T I N G M O D E L O M P O N E N T L L U S T R A T I O N S Figure 4b-15: Hydraulic Manifold, ES Hydraulic Manifold 3084ES...
  • Page 184 - 3 0 8 4 E S - - C R O U B L E S H O O T I N G M O D E L O M P O N E N T L L U S T R A T I O N S Figure 4b-16: Main Hydraulic Manifold - 3084ES Alternate Configuration Hydraulic Manifold - Alternate Configuration...
  • Page 185 Section 5 CHEMATICS ONTENTS 3084RT Diesel/Dual Fuel Models ........5-2 Hydraulic - 3084RT .

  • Page 186: T R O U B L E S H O O T I N G - 3 0 8 4 R T

    3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S Y D R A U L I C 3084RT D IESEL ODELS - 3084RT...
  • Page 187 3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S Y D R A U L I C Figure 5-1: Hydraulic Schematic - 3084RT OSCILLATING AXLE LOCK CYLINDERS CYL6 CYL7...
  • Page 188 3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S Y D R A U L I C Figure 5-2: Hydraulic Manifold, Main M1 - 3084RT BOTTOM PLG4 PLG4...
  • Page 189 3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S Y D R A U L I C Figure 5-3: Hydraulic Manifold, Tilt M2 - All Models FRONT BOTTOM CL1 CL1...
  • Page 190 3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S L E C T R I C A L - 3084RT L E C T R I C A L Figure 5-4: Electric Schematic, Upper Controls - 3084RT 3084RT...

  • Page 191: Reverse/Up Rocker Switch

    3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S L E C T R I C A L Figure 5-5: Upper Controls Components - 3084RT 3084RT Toggle Switches TILT Light...
  • Page 192 3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S L E C T R I C A L Figure 5-6: Electric Schematic, Lower Control Box - 3084RT Dual Fuel SCHEMATIC SCHEMATIC 3084RT DUAL FUEL...
  • Page 193 3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S L E C T R I C A L Figure 5-7: Electric Schematic, Base - 3084RT Dual Fuel SCHEMATIC SCHEMATIC ENGINE...
  • Page 194 3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S L E C T R I C A L Figure 5-8: Electric Schematic, Lower Control Box - 3084RT Diesel SCHEMATIC SCHEMATIC 3084RT DIESEL...
  • Page 195 3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S L E C T R I C A L Figure 5-9: Electric Schematic, Base - 3084RT Diesel SCHEMATIC SCHEMATIC GLOW...

  • Page 196: Lower Controls

    3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S L E C T R I C A L Figure 5-10: Lower Controls Components - 3084RT RAISE EMERGENCY STOP HOUR METER...
  • Page 197 3 0 8 4 R T D - 3 0 8 4 R T I E S E L U A L U E L O D E L S L E C T R I C A L O T E S “Speed Level™...
  • Page 198 3 0 8 4 E S E - 3 0 8 4 E S L E C T R I C O D E L Y D R A U L I C 3084ES E LECTRIC ODEL - 3084ES Y D R A U L I C The following table applies to Figure 5-11, Figure 5-12 and Figure 5-13.
  • Page 199 3 0 8 4 E S E - 3 0 8 4 E S L E C T R I C O D E L Y D R A U L I C Figure 5-11: Hydraulic Schematic - 3084ES OSCILLATING AXLE LOCK CYLINDERS CYL6 CYL7 CYL4...
  • Page 200 3 0 8 4 E S E - 3 0 8 4 E S L E C T R I C O D E L Y D R A U L I C Figure 5-12: Hydraulic Manifold, Main M1 - 3084ES BOTTOM PLG4 PLG4...
  • Page 201 3 0 8 4 E S E - 3 0 8 4 E S L E C T R I C O D E L Y D R A U L I C Figure 5-13: Hydraulic Manifold, Tilt M2 - All Models FRONT BOTTOM CL1 CL1...
  • Page 202 3 0 8 4 E S E - 3 0 8 4 E S L E C T R I C O D E L L E C T R I C A L - 3084ES L E C T R I C A L Figure 5-14: Electric Schematic, Upper Controls - 3084ES 3084ES SCHEMATIC...

  • Page 203: Upper Controls

    3 0 8 4 E S E - 3 0 8 4 E S L E C T R I C O D E L L E C T R I C A L Figure 5-15: Upper Controls Components - 3084ES 3084ES ANSI Toggle Switches TILT Light...
  • Page 204 3 0 8 4 E S E - 3 0 8 4 E S L E C T R I C O D E L L E C T R I C A L Figure 5-16: Electric Schematic, Lower Control Box - 3084ES 3084ES SCHEMATIC SCHEMATIC...
  • Page 205 3 0 8 4 E S E - 3 0 8 4 E S L E C T R I C O D E L L E C T R I C A L Figure 5-17: Electric Schematic, Base - 3084ES SCHEMATIC SCHEMATIC 3084ES...
  • Page 206 3 0 8 4 E S E - 3 0 8 4 E S L E C T R I C O D E L L E C T R I C A L Figure 5-18: Lower Controls Components - 3084ES RAISE EMERGENCY STOP HOUR METER...

This manual is also suitable for:

Speed level 3084 rtSpeed level 2684 esSpeed level 3084 es

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