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1. Introduction

1 - 2

PLATFORM

The MB20

/

26J platform is large enough for two operators indoors, one outdoors and  has 

a free-draining perforated floor with 150 mm toeboards. Hand-rails are constructed  from 

Steel tubing and a safety drop-bar is provided at the entrance. Safety restraint  harness 

anchor points are also fitted in the floor of the platform. These must be used at  all times. 

The main controls are fitted to this platform.

PLATFORM CONTROLLER

The primary (Upper) control box is permanently fitted to the front of the platform. It features 

a joystick which provides proportional control for raising or lowering the mast, raising or 

lowering the jib or rotating the complete mast assembly. The same joystick is also used to 

drive and steer the machine.
A safety Interlock Switch or ‘deadman button’ is incorporated into the Joystick. It must be 

activated at all times in order to operate any function. This feature allows for one-handed 

operation. A comprehensive explanation of control functions is given in the Operators 

Manual - a copy of which shall be located in the platform document wallet located just 

beneath the upper control station in the platform.

The secondary (Lower) control box is fitted to the mast cover at arm level. It features a 

‘deadman’ enable button and selector buttons to provide pre-programmed speeds for all 

functions except drive and steering. This control station is used primarily for service-type 

operations including pre-operation inspection. It should never be used to position a manned 

or unmanned platform. It may be used in the event of emergency, however, to lower the 

manned platform.

ELEVATING ASSEMBLY

The platform is raised and lowered by a combination of a steel jib and a series of 

telescoping mast sections. The main hydraulic cylinder, mounted within the masts, lifts the 

2nd mast directly. The other masts are connected by a system of heavy duty plate chains 

and pulleys to ensure sequential lifting. 
A parallel system of heavy duty straps ensures that the masts descend in the proper 

sequence and also ensure that a mast cannot be held in suspension by an obstacle during 

descent.
The jib cylinder provides a lifting arc to the jib and cage assembly. All hydraulic functions 

are carried out using solenoid operated control valves. Each cylinder features an integral 

holding valve to prevent uncontrolled descent in the case of a hose bursting.

!

!

DO NOT use the work platform without guardrails properly 

assembled and in place.

W A R N I N G

!

!

NEVER

 operate the machine from the upper controls until the 

platform entrance drop-bar is in the fully lowered position and the 

safety harness is fitted.

W A R N I N G

Содержание MB20J

Страница 1: ...JANUARY 2018 01 00054 MB20 01 00071 MB26...

Страница 2: ......

Страница 3: ...L NUMBER is also stamped on top of the chassis above the front axle pivot Nameplate The Work Platform Nameplate is located externally at the FRONT of the chassis When contacting Snorkel for service or...

Страница 4: ......

Страница 5: ...ating See Beaufort Scale on page 1 for details NEVER attach notice boards etc to the platform as this will increase wind loading IN CASE OF EMERGENCY push EMERGENCY STOP switch to deactivate all power...

Страница 6: ...NOTES...

Страница 7: ...2 9 ELEVATING LOWERING THE WORK PLATFORM 2 9 TRAVEL WITH WORK PLATFORM LOWERED 2 10 TRAVEL WITH WORK PLATFORM ELEVATED 2 10 EMERGENCY SITUATIONS 2 11 EMERGENCY LOWERING BY HAND 2 11 Figure 8 Emergenc...

Страница 8: ...ratures and conditions ranging between 50c to 20c SCOPE This manual includes the procedures and responsibilities for the inspection transportation safe operation maintenance and repair of this product...

Страница 9: ...arm level It features a deadman enable button and selector buttons to provide pre programmed speeds for all functions except drive and steering This control station is used primarily for service type...

Страница 10: ...e is limited by the pre programmed speed setting on the motor but is determined by the position of the joystick in the Upper Control Box 1 3 WORKSHOP PROCEDURES All information contained in this manua...

Страница 11: ...he machine when wind speeds exceed 12 5m s 28 m p h Beaufort scale 6 BEAUFORT RATING WIND SPEED GROUND CONDITIONS M S KM H FT S M P H 3 3 4 5 4 12 25 19 4 11 5 17 75 7 5 12 0 Papers and thin branches...

Страница 12: ...ach over obstacles but must be used on firm and level ground at all times DO NOT use the lifting mechanism to raise or lower goods or persons except within the cage and subject to the specified weight...

Страница 13: ...with the machine to fill the batteries to the correct electrolyte level This is done by locating the battery topup valve behind the mast cover inspection door refer to figure 3 and connecting it to t...

Страница 14: ...Control Station 8 Check mast chains by elevating the masts approximately 30cm above the rest position Check for correct routing of the energy chain Raise the masts to full height and check for correc...

Страница 15: ...0 control module To check it s operation while in platrom drive the machine onto a suitable ramp to raise it s tilt angle above 2 degrees lift the Jib until the jib limit switch just separates a conti...

Страница 16: ...cluding pre operation inspection It should never be used to position a manned or un maned platform NOTE It may be used in the event of emergency to lower the manned platform The issue of reduced speed...

Страница 17: ...ON 4 STEERING SWITCH 5 SELECTOR SWITCH 6 MAST SELECT BUTTON 7 LOW HIGH TORQUE SELECTOR 8 HORN 2 DEADMAN GRIP 9 LOW BATTERY WARNING CONTROL FUNCTIONS Table 1 Platform Controls and Indicators ITEMS NAME...

Страница 18: ...y charge is low and machine automatically switches into limp mode 10 Overload warning lamp Illuminates when load in basket exceeds SWL Table 2 Lower controls and Indicators LOWER CONTROL PANEL ITEMS N...

Страница 19: ...t is imperative that the pre operation Safety Inspection has been completed and any deficiencies have been corrected The operator must also be fully trained in the use of this machine Before beginning...

Страница 20: ...sure that the drop bar is in position 4 Check that the route is clear of persons obstructions pot holes or ledges and is capable of supporting the wheel loads Also check that the clearances above belo...

Страница 21: ...d to lower the platform using the emergency lowering valves Lower the mast structure before lowering the jib platform structure NOTE Lower the masts fully before lowering the jib structure Figure 8 Em...

Страница 22: ...lock ballast from the machine Remove the 13 screws connecting the ballast cover to the mast Undo the 4 bolts connecting the ballast to the mast and use a forklift to remove the ballast block The balla...

Страница 23: ...RANE The MB20 26J may be lifted by an overhead hoist crane subject to the following strict procedure Raise the jib to clear the lifting straps as shown Use 4 separate lifting straps connected to a spr...

Страница 24: ...e made secure by 1 Chocking the wheels 2 Securing with adequate chains or straps to the lifting lugs on the chassis Figure 5 Securing the Platform TOWING WINCHING VALVES The fail safe brakes are autom...

Страница 25: ...ass of a slow moving machine W A R N I N G 2 6 AFTER USE STORAGE AFTER USE EACH DAY 1 Ensure that the platform masts and jib are fully lowered 2 Park the machine on firm and level ground never on a gr...

Страница 26: ...mast and jib mount area as a minimum This will prevent moisture from entering the mast battery and chassis areas Figure 3 Battery Disconnect Battery Disconnect switch BATTERIES 1 Disconnect the batter...

Страница 27: ...Acceptable PREVENTATIVE MAINTENANCE REPORT Date _______________________________ Owner _____________________________ Model No __________________________ Serial No ___________________________ Serviced...

Страница 28: ...bs Maximum Drive Speed Stowed 3 30 km h 2 05mph Maximum Drive Speed Elevated 0 60km h 0 37mph Maximum Gradeability 25 25 Outside Turning Radius 1 90m 6 23ft Electrical Power Source 4 x 6V 375Ah Batter...

Страница 29: ...aximum Drive Speed Stowed 3 13 km h 1 94mph Maximum Drive Speed Elevated 0 60km h 0 37mph Maximum Gradeability 25 25 Outside Turning Radius 1 93m 6 33ft Electrical Power Source 4 x 6V 375Ah Battery 4...

Страница 30: ...2 Operation Specifications 2 20 NOTES...

Страница 31: ......

Страница 32: ...A ASIA PHONE 44 0 845 1550 057 FAX 44 0 845 1557 756 NORTH SOUTH AMERICA PHONE 1 785 989 3000 TOLL FREE 1 800 225 0317 FAX 1 785 989 3070 AUSTRALIA PHONE 61 2 9725 4000 FAX 61 2 9609 3057 NEW ZEALAND...

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