Snorkel A46JRT Manual
  1. Manuals
  2. Brands
  3. Snorkel Manuals
  4. Boom Lifts
  5. A46JRT
  6. Manual
Snorkel A46JRT Manual

Snorkel A46JRT Manual

Articulated boom lift
Hide thumbs Also See for A46JRT:
Table of Contents

Advertisement

Quick Links

Download this manual
A46JRT
ARTICULATED
BOOM LIFT
Level 2

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the A46JRT and is the answer not in the manual?

Questions and answers

Related Manuals for Snorkel A46JRT

Summary of Contents for Snorkel A46JRT

  • Page 1 A46JRT ARTICULATED BOOM LIFT Level 2...
  • Page 2 4. Page 55 :- Chassis components. 5. Page 73 :- Turntable assembly. 6. Page 85 :- Lower controls. 7. Page 99 :- Elevating assembly. 8. Page 121 :- Platform. 9. Page 140:- Maintenance. 10. Page 147 :- Schematics. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 3: Safety Features

    SAFETY FEATURES...

  • Page 4: Table Of Contents

    5. Page 12 :- Tilt alarm. 6. Page 14 :- Load sensing system. 7. Page 16 :- Platform safety systems 8. Page 17 :- Snorkel guard 9. Page 22 :- Emergency brake release. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 5: Safety Rules

    For this reason, it is is on a firm surface. other hazards. imperative to keep a safe distance from live parts of electrical equipment. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 6: E-Stops

    SAFETY FEATURES E-STOPS There are 2 E-stops on the machine. Lower controls Platform controls Push the E-Stop in to disconnect power in the case of an emergency. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 7: Footswitch Interlock

    There is an interlock on the upper control box operation which prevents platform operation if a switch or joystick is accidently moved. The foot switch must be engaged, then a control switch/ joystick operated to get the machine to work. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 8 Do not use this system for normal operation. Only use if the main power system fails. The emergency pump/motor assembly is located behind the radiator in the engine bay. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 9 “on” position. 6. Push and hold the appropriate function toggle switch, e.g. boom lower, in the desired direction. All 3 switches must be held in position to get the operation to work. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 10 Upper controls For the Upper controls to be operational follow steps 1 to 3 on Lower controls operations. The control selector switch at the lower controls must be in the “Upper or basket” position. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 11 “on” position. 5. Push and hold the appropriate function toggle switch, e.g. boom lower, in the desired direction. All 3 switches must be held in position to get the operation to work. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 12: Tilt Alarm

    If the chassis of the machine goes beyond the recommended tilt angles, 3.5 front to back and 3.5 side to side, and the platform is lifted off the top boom microswitch or the boom extension extended off the microswitch 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 13 Lower control box and Upper control box. To recover the machine the booms must either be fully lowered or retracted onto the microswitches then the machine should be driven to a level surface. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 14: Load Sensing System

    Note The operator must remove the excess load from the platform. Normal function will resume once the platform load is reduced below 110% continuously for at least two seconds. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 15 The Load Cell is located on top of the rotator unit. This assembly is located in the mounting bracket on the platform base. As the platform is loaded the increase in weight is registered at the Load cell. TOP FACE LOWER FACE (Onto rotator top) 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 16 SAFETY FEATURES PLATFORM SAFETY FEATURES Harness anchor point DO NOT begin to operate Safety bar the machine until the platform entrance safety bars are in the fully lowered position. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 17: Snorkel Guard Tm

    The simple mechanical system features a spring-loaded rail that sits above the upper control panel which cuts out machine operations when compressed, e.g. in the case of the operator being involuntary pushed against the controls. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 18 When closed or no gap the Spring-loaded rail is “seen” by a proximity switch located on the platform rail. Machine operates normally. When the operator moves the rail away or opens the gap from the proximity switch the proximity switch “loses sight” of the rail and stops machine operation. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 19 When the Snorkel Guard is activated, the following occurs :- • The horn sounds. • The blue light under the upper control panel flashes. • All functions are interrupted. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 20 The switch is spring returned to the normal operation position. The Snorkel Guard override switch must only be used when all controls are released and in the neutral position. If a zero or neutral state cannot be achieved depress the emergency stop and obtain assistance at the lower controls.
  • Page 21 SAFETY FEATURES SNORKEL GUARD On the Upper control box is an instruction decal. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 22: Emergency Brake Release

    4. This will release the brake. Do this to both drive hubs. 5. Once the machine has been moved to a safe location reverse the procedure to reapply the brakes. Fig. 1 Fig. 2 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 23: Serial Number Plate

    SERIAL NUMBER PLATE...
  • Page 24 2. Page 27 :- Manual force. 3. Page 32 :- Slope sensor alarm settings. 4. Page 34 :- Wind speeds. 5. Page 36 :- Working range. 6. Page 38 :- Maximum platform loading. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 25 SERIAL NUMBER PLATE Located on the serial number plate is various information regarding the serial number, year of manufacture, tilt settings, battery capacities, gradeability among other things. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 26 SERIAL NUMBER PLATE PLATE INFORMATION Mobile elevating work platform Model number Y.O.M. Total m/c weight empty Engine rated kW Slope gradeability (40% = 22 Maximum allowable manual force (Side pull) 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 27: Manual Force

    Do not exceed the maximum allowable manual force indicated on the machine decals, placards, and in the machine specifications in the operator manual. • Death or serious injury can result from a tip-over accident. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 28 SERIAL NUMBER PLATE PLATE INFORMATION Maximum platform height Rated number of occupants 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 29 SERIAL NUMBER PLATE PLATE INFORMATION Machine serial number 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 30 Machine serial number The serial number format gives the following information:- A46JRT :- Model type -01 :- Manufacturing plant -2309 :- Year and month of manufacture -00403 :- Machine build number Manufacturing plant codes 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 31 SERIAL NUMBER PLATE PLATE INFORMATION Maximum tilt angle 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 32: Slope Sensor Alarm Settings

    Slope sensor figures as shown on the serial number plate. The side-to-side figure shown is the worst case for the machine as the platform is raised. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 33 SERIAL NUMBER PLATE PLATE INFORMATION Maximum wheel loading Battery size Maximum allowable wind speed 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 34: Wind Speeds

    Do not add anything to the aerial platform that will increase the wind loading such billboards, banners, flags, etc. Do not operate the aerial platform in windy conditions with wind gusts or steady winds speeds of 28 m.p.h. (45 k.p.h.) = 12.5 m/s. or greater. (See chart below). 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 35 SERIAL NUMBER PLATE PLATE INFORMATION Maximum platform reach Maximum drive height 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 36: Working Range

    SERIAL NUMBER PLATE WORKING RANGE Maximum drive height 14.1m Maximum platform reach 7.5m 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 37 SERIAL NUMBER PLATE PLATE INFORMATION Maximum platform capacity 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 38: Maximum Platform Loading

    SERIAL NUMBER PLATE MAXIMUM PLATFORM LOAD WARNING Maximum platform capacity This is the TOTAL amount permissible in the platform. It is not 2 people equalling 227 kgs plus their tools. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 39 ENGINE AREA...
  • Page 40 4. Page 45 :- Battery disconnect panel. 5. Page 47 :- Engine relay panel. 6. Page 49 :- Kubota engine. 7. Page 51 :- Throttle solenoid. 8. Page 52 :- Transmission pump assembly. 9. Page 54 :- Hydraulic pump. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 41 ENGINE AREA ENGINE AREA COMPONENTS Transmission pump Transmission pressure filter Drive block Kubota engine 12v battery Relays, contactor & Master switch Radiator Expansion tank 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 42 ENGINE AREA TRANSMISSION PRESSURE FILTER Transmission pump from hydraulic schematic The filter requires changing after the first 50 hours of service then every 500 hours after that. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 43: Drive Block

    (Wire 141 to P4-14, GP400 Board). 2 speed motor solenoid. Axle interlock (Wire 34A to P6-15, pressure switch. GP400 Board). (Wire 141A to P7-14, GP400 Board). Brake release solenoid. (Wire 159A to P4-15, GP400 Board). 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 44 ENGINE AREA DRIVE BLOCK The drive block controls the brake release, axle float, 2 speed motor and axle interlock pressure switch. From hydraulic schematic From electrical schematic 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 45: Battery Disconnect Panel

    ENGINE AREA BATTERY DISCONNECT PANEL The battery disconnect is located at the left rear of the chassis. It removes electrical power from all electrically controlled functions when in the off position. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 46 4. Throttle circuit breaker 15 amp. 5. Main control system circuit breaker 25 amp. The circuit breakers protect the electrical wiring and components from electrical overload in case of a short circuit or other fault. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 47: Engine Relay Panel

    ENGINE AREA ENGINE RELAY PANEL Located behind battery master switch. 1. Emergency power solenoid. 2. Oil pressure relay. 3. Engine alarm relay. 4. Throttle relay. 5. Glow plug relay. 6. Start relay. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 48 ENGINE AREA ENGINE AREA WIRING 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 49: Kubota Engine

    ENGINE AREA KUBOTA V1505 ENGINE Current engines are Non-turbo engines. Number of Cylinders Total Displacement 1.5L Starting System Electric Start Intake System Naturally Aspirated 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 50 ENGINE AREA KUBOTA V1505 ENGINE Left side of the engine showing throttle assembly, fuel filter and fuel pump assembly. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 51: Throttle Solenoid

    . The solenoid pull rod which is connected to the solenoid plunger must be set up so there is a 1 mm gap between the fuel pump leaver and stop screw . 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 52: Transmission Pump Assembly

    The transmission pump is located on the rear of the engine. It provides the power to drive the machine in either forward or reverse. Pump rotation :- CW Pump type :- Swashplate Pump displacement (cm / rev) :- 45.9 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 53 ENGINE AREA TRANSMISSION PUMP SOLENOIDS Wire 17A Wire 18A On top of the pump are the directional solenoids for forward or reverse. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 54: Hydraulic Pump

    ENGINE AREA HYDRAULIC PUMP Hydraulic pump located on end of transmission pump. Pump rotation :- CW Displacement :- Front 4.47 mL/r, Rear 3.67 mL/r Rated speed :- 2000-3600 rpm 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 55: Chassis Components Covers

    CHASSIS COMPONENTS...
  • Page 56 Chassis components covers :- 1. Page 57 :- Hydraulic oil reservoir. 2. Page 59 :- Pivoting front axle. 3. Page 62 :- Steering cylinder. 4. Page 64 :- Drive assembly. 5. Page 69 :- Turntable rotation. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 57: Hydraulic Oil Reservoir

    CHASSIS COMPONENTS HYDRAULIC OIL RESERVOIR The hydraulic reservoir is located at rear of the engine area. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 58 CHASSIS COMPONENTS HYDRAULIC OIL RESERVOIR There is a sight gauge located on the top left corner of the tank to check the oil level. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 59: Pivoting Front Axle

    Improves traction. • Reduces ground pressure. When the main or riser boom is raised from its rest the axle locks in position to maximize the stability of the machine while the platform is elevated. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 60 CHASSIS COMPONENTS PIVOTING FRONT AXLE The front axle is mounted to the front of the chassis on a pivot pin. Two hydraulic cylinders are mounted on the chassis and the steering yokes. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 61 CHASSIS COMPONENTS PIVOTING FRONT AXLE Return to hydraulic tank 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 62: Steering Cylinder

    CHASSIS COMPONENTS STEERING CYLINDER The steering axle is located inside the front of the chassis. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 63 CHASSIS COMPONENTS STEERING SET UP The steering axle is connected to the steering hub on each side by a steering link. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 64: Drive Assembly

    CHASSIS COMPONENTS DRIVE ASSEMBLY There are 4 Drive motor / torque hub assemblies on the machine. Torque Drive motor 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 65 CHASSIS COMPONENTS TORQUE DRIVE HUB Same planetary drive hub on front and rear Rear hub, fixed Front hub, steering 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 66 Level plug Remove the level plug. The oil should be close to level with the plug opening. If not, top up the hub with grade 80W-90 oil until it is level with the opening. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 67: Drive Motor

    CHASSIS COMPONENTS DRIVE MOTOR Same drive motor on front and rear 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 68 CHASSIS COMPONENTS DRIVE MOTOR PIPING 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 69: Turntable Rotation

    CHASSIS COMPONENTS TURNTABLE ROTATION The turntable sits on a Rotation bearing that enables it to rotate. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 70 CHASSIS COMPONENTS TURNTABLE ROTATION The Rotation bearing is bolted to the chassis and in turn the turntable is bolted to it. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 71 CHASSIS COMPONENTS TURNTABLE ROTATION When the operation is selected at the control panel hydraulic oil turns the swing drive assembly and via the gear wheel the turntable rotates. Geared drive wheel 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 72 CHASSIS COMPONENTS TURNTABLE ROTATION STOP There is a Stop block assembly which prevents 360 rotation. STOP BLOCK (Chassis frame) Rotation is 360 NON-CONTINUOUS STOP BLOCK (Underside of turntable) 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 73: Turntable Assembly Covers

    TURNTABLE ASSEMBLY...
  • Page 74 Turntable assembly covers :- 1. Page 75 :- Turntable components. 2. Page 76 :- Accumulator. 3. Page 77 :- Swing drive assembly. 4. Page 78 :- Hydraulic return line filter. 5. Page 79 :- Boom manifold. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 75: Turntable Components

    TURNTABLE ASSEMBLY TURNTABLE COMPONENTS Lower Boom control box manifold Hydraulic Swing drive filter assembly Accumulator Overload Horn alarm 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 76: Accumulator

    TURNTABLE ASSEMBLY ACCUMULATOR There is an accumulator located in the Riser Down line to cushion the motion and prevent bouncing when lowering is selected. It is located left side front of the turntable. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 77: Swing Drive Assembly

    Attached to the end of the main shaft, which goes through the turntable, is a geared drive wheel. 1. Counterbalance valves. 2. Valve for swing drive. 3. Motor for swing drive. 4. Gearbox unit. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 78: Hydraulic Return Line Filter

    TURNTABLE ASSEMBLY HYDRAULIC RETURN LINE FILTER 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 79 Located on the right side of the turntable is the Boom manifold block. This is the block which houses the solenoid valves and coils to select and direct the hydraulic oil to the motions when selected. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 80 TURNTABLE ASSEMBLY BOOM MANIFOLD Boom manifold has the motion stamped next to the port. E.g. BMD Boom DOWN, E.g. BMU Boom UP. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 81 1. Manifold rated for 3000 psi. 2. Main system relief: 2750 psi Crack. (Item 6) 3. Over stow relief : 1600 psi Crack. (Item 7) 4. Platform rotate relief : 1500 psi Crack. (Item 8) 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 82 TURNTABLE ASSEMBLY BOOM MANIFOLD SCHEMATIC 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 83 TURNTABLE ASSEMBLY BOOM MANIFOLD Boom manifold showing the solenoid coils and valves 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 84: Boom Manifold

    Turntable rotate CCW Wire 24 Turntable rotate CW Wire 23 Platform level up Wire 13 Platform level down Wire 12 Platform rotate CCW Wire 26 Platform relief valve 1500 psi Platform rotate CW Wire 27 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 85: Lower Controls

    LOWER CONTROLS...
  • Page 86 1. Page 87 :- Lower control box. 2. Page 91 :- Harness plugs. 3. Page 92 :- Wire numbers. 4. Page 94 :- GP400 Board. 5. Page 97 :- Terminal block module (TBM). 6. Page 98 :- VCCM board. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 87: Lower Control Box

    (slewing) the entire Lower control box booms, platform and posts assembly. Also, the Ezcal diagnostic display is located here. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 88 7) Boom extend / retract switch. 8) Engine start button. 9) Emergency recovery switch. 10) Ground operation switch. 11) Rotation left / right switch.. 12) Platform rotation switch. 13) Platform level switch 14) Jib articulation switch 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 89 LOWER CONTROLS LOWER CONTROL BOX Once the control box door is open you can see :- 1. EzCal Diagnostic display. 2. GP400 Board 3. TBM Board. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 90 LOWER CONTROLS LOWER CONTROL BOX 4. V.C.C.M. Board. It is located behind and above the display screen. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 91 LOWER CONTROLS HARNESS PLUGS E.g. P8 – 1. The wire number is 50/P8-1/J13-B. Look for slight raised ridge on corner of the plug. This is position 1 for the wires. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 92 There is a printed number on each wire casing. The example below is from the GP400 wiring. 50/P8-1/J13-B Extract from the electrical schematic. 50 = Wire number P8-1 = Plug & wire J13-B = Connector location on GP400 board plug & wire location 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 93 LOWER CONTROLS WIRE NUMBERS Plug connections Extract from the electrical schematic. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 94 • RS232 connection to handheld Red LED RS232 Ezcal for calibration and diagnostics. • Red LED shows Power on when solid. Also flashes 2-digit error when faults occur. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 95 LOWER CONTROLS GP400 CONTROL BOARD I/O List 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 96 LOWER CONTROLS GP400 CONTROL BOARD I/O List 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 97 The TBM enables :- • B+ output when EMS platform or ground switched on. • Measures current of B+ output. • Used to diagnose open circuit valve. • “Boost circuit” to increase reliability when engine cranking 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 98 • P12 – 2 = Can L • P12 – 3 = Shield • P13 – 1 = Can H • P13 – 2 = Can L • P13 – 3 = Shield 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 99: Elevating Assembly

    ELEVATING ASSEMBLY...
  • Page 100 4. Page 107 :- Master – slave system. 5. Page 110 :- Tip boom. 6. Page 112 :- Jib boom. 7. Page 114 :- Rotator / Load cell. 8. Page 119 :- Boom microswitches. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 101 Solenoid operated valves control to which cylinder the hydraulic oil is directed. Each cylinder features an integral holding valve to prevent uncontrolled decent in the case of a hose burst. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 102: Riser Boom

    ELEVATING ASSEMBLY RISER BOOM The platform is raised and lowered by a combination of two steel riser boom assemblies. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 103 ELEVATING ASSEMBLY RISER BOOM The two steel riser booms are extended and lowered using a combination of one hydraulic cylinder. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 104 ELEVATING ASSEMBLY RISER BOOM Each cylinder features an integral holding valve to prevent uncontrolled decent in the case of a hose burst. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 105: Main Boom

    ELEVATING ASSEMBLY MAIN BOOM The Main boom is raised and lowered using one hydraulic cylinder. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 106 ELEVATING ASSEMBLY MAIN BOOM CYLINDER Each cylinder features an integral holding valve to prevent uncontrolled decent in the case of a hose burst. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 107: Master - Slave System

    Hydraulic oil is transferred between the two cylinders. The flow is controlled by the Counterbalance valves located in both the Master and Slave cylinder keeping the platform in the same position while the Main boom moves. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 108: Master Cylinder

    ELEVATING ASSEMBLY MASTER CYLINDER The Master cylinder is attached to the pivot end of the Main boom. Master cylinder anchor point. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 109: Slave Cylinder

    ELEVATING ASSEMBLY SLAVE CYLINDER The Slave cylinder is positioned inside of the tip boom and attached at the pivot end of the Jib boom. Slave cylinder anchor point. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 110: Tip Boom

    ELEVATING ASSEMBLY TIP BOOM The platform is also raised or lowered by the tip boom extending and retracting. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 111 ELEVATING ASSEMBLY TIP BOOM CYLINDER Each cylinder features an integral The Tip boom cylinder is positioned inside of the tip boom. holding valve to prevent uncontrolled decent in the case of a hose burst. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 112: Jib Boom

    ELEVATING ASSEMBLY JIB BOOM The platform is also raised or lowered by the jib boom extending and retracting. The jib boom rotates through an arc of 140 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 113 ELEVATING ASSEMBLY JIB BOOM CYLINDER Each cylinder features an integral The Jib boom cylinder is positioned inside of the jib boom. holding valve to prevent uncontrolled decent in the case of a hose burst. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 114: Platform Rotator

    ELEVATING ASSEMBLY PLATFORM ROTATOR The Rotator unit connects the jib boom to the mounting bracket on the platform base. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 115 ELEVATING ASSEMBLY LOAD CELL Located on the top of the Rotator unit is the Load cell. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 116 The Load Cell is located on top of the rotator unit. This assembly is located in the mounting bracket on the platform base. As the platform is loaded the increase in weight is registered at the Load cell. TOP FACE LOWER FACE (Onto rotator top) 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 117 ELEVATING ASSEMBLY ROTATOR / LOAD CELL BOLTS The bolts should be torqued in the following sequence. Rotator / platform torque values :- 1. 480ft/lbs. 650Nm 2. 50ft/lbs. 50Nm 3. 96ft/lbs. 130.16Nm 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 118: Boom Microswitches

    ELEVATING ASSEMBLY BOOM MICROSWITCHES Drive speed ranges are interlocked through limit switches that sense the Tip boom position and the Top boom position. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 119 ELEVATING ASSEMBLY BOOM MICROSWITCHES When the Tip boom is fully retracted and the Top boom is fully lowered the Drive can be selected in Hi speed Low speed. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 120 Top boom is raised away from the microswitch the Drive is always in the SLOWEST speed regardless of the Drive range switch position. These microswitches also control the Tilt interlocking and the locking of the front articulating axle. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 121 PLATFORM...
  • Page 122 CONTENTS Platform covers :- 1. Page 123 :- Platform. 2. Page 126 :- Platform footswitch. 3. Page 127 :- Platform control box. 4. Page 137 :- GP442 Board. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 123: Platform Description

    PLATFORM PLATFORM DESCRIPTION The platform is large enough for two operators and has a free-draining perforated floor with 165mm toe boards. Handrails are constructed from steel tubing 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 124 3 safety drop-bars provided at the entry points. DO NOT begin to operate the machine until the platform entrance safety bars are in the fully lowered position. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 125: Platform Components

    PLATFORM PLATFORM COMPONENTS The Upper Control Box is fitted permanently within Upper control box the platform. Enable footswitch is located on platform floor. Foot switch 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 126: Platform Foot Switch

    A foot switch is located on the platform floor. This must always be activated when an operation is required. If nothing is operated after 10 seconds, the foot switch must be pressed again. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 127: Platform Control Box

    It features a Joystick which will provide proportional control for driving. You can :- • Extend / retract the main boom. Raise / lower :- • Riser booms • Tip boom • Jib boom Rotate (swing) :- • Turntable • Platform 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 128 PLATFORM PLATFORM CONTROL BOX On the front of the control box is the ignition key. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 129 PLATFORM PLATFORM CONTROL BOX Overload / Tilt warning light. Basket level. Rotate left / right. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 130 The speed may be increased by slowly rotating the knob toward fast (rabbit). For smooth operation, rotate the knob to slow when ending boom movement. Riser Raise Boom Extend / Lower. / Retract. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 131 PLATFORM PLATFORM CONTROL BOX Snorkel guard Horn. over-ride Low / High speed Steering Boom Raise / Lower Drive joystick Steering Jib Raise / Lower 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 132 PLATFORM PLATFORM CONTROL BOX Ignition 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 133 5. Step onto the “Platform” position. platform footswitch. 3. Twist and Pull Emergency 6. Select and hold in switch out to have power position the to the upper controls. required operation switch, e.g., Riser 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 134 PLATFORM PLATFORM CONTROL BOX 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 135 PLATFORM PLATFORM CONTROL BOX 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 136 PLATFORM PLATFORM CONTROL BOX GP442 Board Machines have a GP442 board fitted in the platform control box. 14/11/2023 A46JRT Articuated Boom Platform Level 2 A46JRT Articulated Boom Lift Level 2...
  • Page 137 2. The GP442 I/O module provides a control solution for the Boom Lift vehicles when used in conjunction with a GP400 it completes an IC Boom Lift control system. 3. Provides protected High side outputs. 4. CANbus interface. 5. RS232 connection to handheld Ezcal for diagnostics. (P9 plug). 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 138 PLATFORM GP442 CONTROL BOARD Plug location numbers Plug number and wire location as shown on the Electrical schematic. 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 139 PLATFORM GP442 CONTROL BOARD I/O List 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 140: Maintenance

    MAINTENANCE...
  • Page 141 CONTENTS Maintenance covers :- 1. Page 142 :- Maintenance points. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 142: Maintenance Points

    MAINTENANCE MAINTENANCE POINTS 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 143 MAINTENANCE MAINTENANCE POINTS 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 144 MAINTENANCE MAINTENANCE POINTS 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 145 MAINTENANCE MAINTENANCE POINTS 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 146 MAINTENANCE MAINTENANCE POINTS 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 147 SCHEMATICS...
  • Page 148 3. Page 151 :- Lower control box schematic. 4. Page 152:- L.C.B. to Motion solenoids. 5. Page 153 :- Hydraulic schematic. 6. Page 154 :- Boom manifold schematic. 7. Page 156 :- Transmission pump. 8. Page 157 :- Drive block. 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 149: Electrical Schematic

    ELECTRICAL SCHEMATIC 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 150: Upper Control Box Schematic

    UPPER CONTROL BOX SCHEMATIC 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 151: Lower Control Box Schematic

    LOWER CONTROL BOX SCHEMATIC 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 152 P6 - 4 Boom retract P5 - 7 Boom extend P5 - 8 Boom down P4 - 8 Boom up P4 - 10 Boom CCW P5 - 12 Boom CW P5 - 9 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 153: Hydraulic Schematic

    HYDRAULIC SCHEMATIC 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 154 BOOM FUNCTION MANIFOLD 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 155 BOOM FUNCTION MANIFOLD PARTS 14/11/2023 A46JRT Articuated Boom Platform Level 2...
  • Page 156 TRANSMISSION/HYDRAULIC PUMP 14/11/2023 A46JRT Articuated Boom Platform Level 2...

  • Page 157: Drive Block

    DRIVE BLOCK 1. Axle float solenoid. (Wire 141) 2. 2 speed motor solenoid. (Wire 34A) 3. Brake release solenoid. (Wire 159A) 14/11/2023 A46JRT Articuated Boom Platform Level 2...

Table of Contents