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MAINTENANCE

9-1

MSHF • 7295-026A

9.

MAINTENANCE

9.1

General

The simple robust construction of the machine ensures that maintenance can be kept to a
minimum. Sensible use of the machine, regular checks for correct functioning and regular
cleaning will result in a minimum requirement for maintenance. This will guarantee a long
working life for the mast climbing work platform.

Parts must comply with to the technical specification of Hek Manufacturing b.v.!
Use only original parts of Hek Manufacturing b.v.

9.2

Maintenance intervals

The following maintenance activities are essential:

A.

Weekly maintenance

- Grease the rack and pinion. If these are heavily contaminated with sand or grit they must

be cleaned first.
Specification for grease:
- HEK-rack and pinion grease
- Shell Rhodina 2

- Clean the platform and the drive unit.
- Carry out the checks detailed in section 7.2.
- Visually inspect the rack and pinion drive.

B.

Monthly maintenance

- Inspect the guide rollers (visual inspection of security devices, gaskets and bearings).
- Check that all mast bolts are tightened with the correct torque.
- Check that all anchors are secure and re-secure any loose parts.
- Check the functioning of all limit switches.
- Grease the jacks and the king pins of the chassis.
- Grease the drive unit pressure rollers.
- Perform the activities listed at A.

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Содержание MSHF

Страница 1: ...7295 026A Issue 02 2000 USER S MANUAL MSHF MAST CLIMBING WORK PLATFORM This manual is assigned to...

Страница 2: ...acturing BV Middelbeers The Netherlands Nothing contained in this publication may be copied and or published by means of printing photocopying microfilm or any other method without prior written permi...

Страница 3: ...III MSHF 7295 026A HEK Manufacturing B V Westelbeersedijk 18 P O box 2 5091 SM Middelbeers 5090 AA Middelbeers The Netherlands The Netherlands Tel 31 13 51 48 653 Fax 31 13 51 48 630...

Страница 4: ...IV MSHF 7295 026A...

Страница 5: ...n manual carefully before using the mast climbing work platform Take all the safety precautions as described in chapter 3 into account The platform can be adjusted to the shape of the fa ade The MSHF...

Страница 6: ...MBLY AND ANCHORING 6 1 6 1 Preparation for assembly 6 2 6 2 Ground support 6 3 6 3 Positioning the mast climbing work platform 6 4 6 3 1 Mast climbing work platform with single mast on a chassis 6 5 6...

Страница 7: ...6 19 Step 6 9 Fig 6 20 Fence 6 9 Fig 6 21 Gate safety switch 6 10 Fig 6 22 Autolevel locking pin 6 10 Fig 6 23 Control cable dummy plug 6 10 Fig 6 24 Autolevel locking pin 6 11 Fig 6 25 Lower striker...

Страница 8: ...into circulation by us conform to the relevant basic safety and health requirements contained in the EC Machine Directives Changes made to the machine without our consent invalidate this declaration T...

Страница 9: ...iling to exactly comply with the working or operating instructions may lead to serious injury fatal accident severe mechanical damage or operating losses During use no person may stand under the machi...

Страница 10: ...X MSHF 7295 026A Fig 1 Dimensions...

Страница 11: ...t Max mastheight anchored A 150 m 492 ft 150 m 492 ft Max mastheight above last anchor D 8 m 26 2 ft 8 m 26 2 ft Mast type VRK700 VRK700 VRK700 VRK700 Max number of persons 3 3 6 6 Platform speed 7 m...

Страница 12: ...TECHNICAL DETAILS 1 2 MSHF 7295 026A Fig 1 1 Mast element Fig 1 4 End fence Fig 1 5 Corner post Fig 1 2 Platform element Fig 1 3 Plug in fence...

Страница 13: ...780x40x1120 12 Plug in fence 150 1480x40x1120 18 End fence 2500x30x1120 30 Corner post 170x60x1300 6 5 Part l x b x h in weight lb No of bolts bolt dim quality torque lb ft other Mast element 125 27...

Страница 14: ...TECHNICAL DETAILS 1 4 MSHF 7295 026A Fig 1 6 Drive unit...

Страница 15: ...c Control voltage frequency 50 60 Hz up to 60 m 197 ft 5 x 6 mm 5 x 0 0093 in up to 100 m 328 ft 5 x 10 mm 5 x 0 016 in 5 x 10 mm 5 x 0 016 in Power supply to machine up to 150 m 492 ft 5 x 16 mm 5 x...

Страница 16: ...TECHNICAL DETAILS 1 6 MSHF 7295 026A Fig 1 7 Chassis Fig 1 8 Ground frame...

Страница 17: ...lower striker plate Dimension A 4520 6540 mm 175 9 257 5 in Dimension B 4300 mm 167 3 in Dimension C 2150 mm 83 7 in Dimension D 1250 mm 48 6 in Dimension E 1770 mm 69 7 in Dimension F 1600 4590 mm 63...

Страница 18: ...4 1 ft B C A C B 5 9 m 19 4 ft C C A C C 7 3 m 24 0 ft B C C A C C B 8 9 m 29 2 ft C C C A C C C 10 3 m 33 8 ft Mast distance Centre panel between the masts Length platform 7 3 m 24 0 ft A C C C C A 8...

Страница 19: ...5 1 ft 60 4 ft 65 0 ft 33 8 ft 43 0 ft 47 2 ft 52 8 ft 57 4 ft 62 7 ft 67 3 ft 36 4 ft 45 6 ft 50 2 ft 55 4 ft 60 0 ft 65 3 ft 70 0 ft 38 7 ft 47 9 ft 52 5 ft 57 7 ft 62 3 ft 67 6 ft 72 5 ft 41 3 ft 5...

Страница 20: ...mast climbing work platform is also depended on the position of the outriggers Fig 1 9 Outrigger locking Position of the locking pin Position of the outriggers 1 2 3 4 Maximum freestanding mast height...

Страница 21: ...bing work platform If the maximum height is limited to 17 5 m 57 4 ft the payload and the EMOS setting of the anchored situation can be used Machine configuration Maximum loading capacity depending of...

Страница 22: ...orm free standing or anchored Mast distance Centre panel between the masts Max payload EMOS 7 3 m 24 0 ft A C C C C A 3500 kg 7700 lb P15 8 1 m 26 6 ft A C C C C B A 3500 kg 7700 lb P15 8 8 m 28 9 ft...

Страница 23: ...16 7260 lb P19 7040 lb P21 6820 lb P21 6380 lb P21 5940 lb P20 41 3 ft 5720 lb P15 6160 lb P16 6600 lb P19 6600 lb P21 6160 lb P21 5720 lb P21 43 6 ft 4820 lb P12 5280 lb P15 5720 lb P17 5940 lb P19 5...

Страница 24: ...ft sec Distance a mast centre to facade 0 9 1 63 m 35 4 64 2 in Distance b between the anchor points on the facade min 0 7 m 27 6 in Ratio a b 0 8 2 0 The anchorforces of the MSHF up to 100 meters are...

Страница 25: ...nt is exceeded The drive unit operated by 2 electric motors is moved along the mast by means of a single pinion on each motor For a mast climbing work platform with two masts the motors are automatica...

Страница 26: ...oxes The control box on the platform The connection box on the chassis only when a chassis is used The control box on the tow bar only when a chassis is used The simple construction ensures that only...

Страница 27: ...OWER limit switch fails to operate so that the mast climbing work platform continues to descend an additional emergency LOWER limit switch is operated If the TOP limit switch fails and the red topmast...

Страница 28: ...uring assembly and maintenance the mast climbing work platform may not be used for other purposes Keep hatches in the base of the platform clear From the platform it must be possible to get to the eme...

Страница 29: ...latform remains secured on these should all the limit switches fail and should the red mast top section also be missing Autolevel for machines with two masts Locks the platform if one side drops more...

Страница 30: ...SAFETY 3 4 MSHF 7295 026A...

Страница 31: ...re transporting it as described in chapter 8 For the transport dimensions see chapter 1 For transport all fences steps and mast protection must be removed For transportation secure the machine careful...

Страница 32: ...lear the ground When the circumstances are unfavourable than the above mentioned circumstances contact your supplier A machine with two masts may only be repositioned on its chassis if no curves must...

Страница 33: ...he platform in the socket on the switch box of the chassis 4 Connect the control cable from the tow bar to the chassis 5 The chassis can be repositioned by pushing the knob arrow of the required direc...

Страница 34: ...fences 150 x 18 kg 40 lb No of head fences x 30 kg 66 lb No of corner posts x 6 5 kg 14 lb Total transport weight kg lb 4 3 Repositioning with a crane During movement there may be no load on the plat...

Страница 35: ...te connection and the mast climbing work platform must be connected to the socket See chapter 1 for the cable specifications 5 2 Power supply socket for the chassis The power supply cable for the elec...

Страница 36: ...Blue control light 8 Push button DOWN 9 Emergency push button 10 Keyswitch buffer 11 Horn 12 Keyswitch adjustment left right When the Emergency push button is pressed it is locked in the depressed po...

Страница 37: ...s for a connection complete a ground support or completely assemble an anchor before stopping work While the mast is being erected no more than two persons with a single mast machine or four persons w...

Страница 38: ...form Prepare the site with suitable support and anchoring facilities Ensure that the position where the mast climbing work platform will stand has good drainage Plan the positioning of the mast climbi...

Страница 39: ...isfies this minimum requirement 3 The ground support must be flat and centrally loaded with a minimum ground support of 400x400 mm 15 7 x 15 7 in When a chassis is used a ground support must be placed...

Страница 40: ...not compulsory but in this case a kick board with an height of 0 15m 5 9 in must be fitted Wheels of the chassis should not have a bearing function while assembly and operating the platform Distance t...

Страница 41: ...l the wheels no longer contact the ground and adjust the machine to be level The measurement must be done with a spirit level with a minimum length of 1 meter 40 inch 5 Check that the locking pin for...

Страница 42: ...m with one mast on a ground frame 1 Position the ground frame parallel to the wall 2 Place the ground supports 3 Level the machine using the jacks Ensure that the mast is vertical in both directions b...

Страница 43: ...imum length 6 Tighten the platform bolts until the specified torque is applied 7 The width of the platform can be adjusted to fit the form of the fa ade See section 6 6 8 Mount the steps and secure th...

Страница 44: ...ely and secure them The outriggers on the side facing the wall should be withdrawn as far as possible The maximum freestanding height depends on the position of the telescopic arms and the loading See...

Страница 45: ...gth 8 Tighten the platform bolts until the specified torque is applied 9 Push the second chassis towards the first and fix the platform elements together 10 Repeat steps 3 to 5 for the second chassis...

Страница 46: ...5 Remove the autolevel locking pins from both machines 16 Remove the dummy plugs from the control cable sockets 17 Connect the control cable and the electrical power supply cable Secure the cables to...

Страница 47: ...al in both directions by checking with a spirit level with a length of at least 1 metre 40 inch placed against two adjacent sides of the mast Place wooden packing under the machine to provide optimum...

Страница 48: ...of the fa ade See section 6 6 10 Mount the steps and secure them with locking pins 11 Mount the fencing and secure it with hairpins 12 Mount the gate and the cam for the gate safety switch The roller...

Страница 49: ...hines 14 Remove the dummy connecting plugs from the control cable sockets 15 Connect the control cable and the electrical power supply cable Secure the cables to the underside of the platform neatly s...

Страница 50: ...er supply consists of 3 x 400 V neutral safety earth The mast s must always be assembled vertically In winds of strengths above 6 Beaufort 12 5 m s 41 ft s the machine may not be assembled 1 Connect t...

Страница 51: ...g the UP and DOWN push buttons When the push button is released the mast climbing work platform stops In addition an emergency stop push button is provided When this button is pushed the power of the...

Страница 52: ...the red top element The maximum specified height must not be exceeded 11 If a crane is available on the building site the mast can be more quickly assembled Up to five mast elements can be assembled...

Страница 53: ...hat it can accept the forces applied to it via the anchors The platform extensions and the anchors must not come into contact during raising and lowering The anchor forces must be approved by the owne...

Страница 54: ...suitable for the forces present Consult your dealer Cemented in anchors must be allowed to become fully secure the cement must have time to harden before the mast climbing work platform is assembled...

Страница 55: ...to set the mast vertical and parallel to the building Fix the support tube 4 6 6 Adjusting the platform width The width of the platform can be adjusted to the shape of the building As standard an exte...

Страница 56: ...abricated from a non slip easily cleaned material The extension must be self draining The width of any openings or gaps in the floor must be sufficiently narrow that a ball with a diameter of 15mm wil...

Страница 57: ...r right The factory setting is stated on the type plate fixed to the control box An R in the machine number indicates right and an L indicated left The setting can be adjusted in the following way 1 I...

Страница 58: ...f necessary adjusted 1 Lower the highest placed unit until the limit switch just touches the lower striker plates 2 Use the other unit to level the platform 3 Check that the limit switch just touches...

Страница 59: ...of the brake lever 2 Operate the brake release on one drive unit and depending on the distance between the centres of the masts allow the unit to descend Distance between centres 730 cm 24 ft 25 5 cm...

Страница 60: ...Set the EMOS switch on position 1 5 The config panel shows the adjusted value 6 Remove the key 6 11 Lightning protection 1 Fasten the connecting cable between the chassis ground frame and the mast Ca...

Страница 61: ...rm with regard to the facade amounts for a single mast machine 500 N 113 lbf and for a twin mast machine 800 N 180 lbf When work stops for any reason the main switch must be secured with the padlock D...

Страница 62: ...r II the position depends on the direction of phase rotation of the power supply 6 Check that the EMERGENCY push button on the control box is switched off the push button must be pulled out On a twin...

Страница 63: ...iker plates and safety devices and ensure that everything is properly adjusted that the path of the platform is not obstructed the functioning of all the push buttons on the control box the free movem...

Страница 64: ...ediately DOWN If this push button is pressed the platform is lowered When the push button is released the platform stops immediately EMERGENCY When this push button is pressed the platform is locked 7...

Страница 65: ...scent will be limited by the centrifugal brake After a maximum descent of 5 metres 16 4 ft stop the platform for 2 minutes in order to avoid the centrifugal brakes becoming overheated which will resul...

Страница 66: ...st construction When the platform is eccentric overloaded to 90 the light on top of the control box starts to burn When the platform is eccentric overloaded to 100 the light on top of the control box...

Страница 67: ...w disconnect the uppermost anchor 3 Together with the disassembly of the mast the anchor tubes the anchors and the cable guides must be disassembled 4 If a crane is available on the building site the...

Страница 68: ...asic machine This can be done with or without the platform elements being attached The transport method depends on the dimensions of the platform and the widths and lengths of vehicles permitted by na...

Страница 69: ...embly of the platform elements care must be taken that the machine remains in balance Support the platform if necessary 14 The platform elements can be packed in bundles of five 15 Slide in the outrig...

Страница 70: ...DISASSEMBLY AND TRANSPORT 8 4 MSHF 7295 026A...

Страница 71: ...activities are essential A Weekly maintenance Grease the rack and pinion If these are heavily contaminated with sand or grit they must be cleaned first Specification for grease HEK rack and pinion gr...

Страница 72: ...orm E Biennial maintenance Change the oil in the drive unit reduction gearbox Lubricant specification for STEPHAN motors According to DIN 51502 kinetic viscosity acc to DIN 51562 of approx 220 mm sec...

Страница 73: ...5 If the autolevel safety mechanism does not function correctly the mast climbing work platform must not be used Consult your service engineer 9 4 The motor brake The motor has a built in electromagn...

Страница 74: ...terial on either side of the rotor the anchor plate and the friction plate results in the required braking effect The stator has a built in braking coil 1 which produces a strong magnetic field when a...

Страница 75: ...y the manufacturer to 0 3 mm 0 012 in and must never be more than 0 9 mm 0 035 in The total thickness of the rotor including the friction material must not be less than 9 5 mm 0 37 in To check 1 Switc...

Страница 76: ...l screwed into the stator by the same amount Use a feeler gauge to measure the width of the air gap a close to each of adjusting bolts and turn the bolts until the gap by each bolt is just 0 3 mm 0 01...

Страница 77: ...malfunction is not corrected consult an electrician 03 Emergency stop pushbutton Pushbutton depressed Rotate pushbutton to release 04 Eccentric overload Platform eccentriacally overloaded Reduce load...

Страница 78: ...too long Motor does not run 42 Vac control voltage not present Automatic fuses operated Voltage present but platform cannot be raised or lowered Relays K102 en K103 are energized but platform does not...

Страница 79: ...posed of in an as environmentally friendly manner as possible Amongst others the following possibilities present themselves Part exchange for a new machine Disposal by a recycling facility Demolition...

Страница 80: ...MACHINE DISPOSAL 11 2 MSHF 7295 026A...

Страница 81: ...ency push button 5 2 Emergency situation 7 4 EMOS system 6 24 F Fencing 6 4 6 6 6 7 6 9 6 12 6 20 Foreword V G Gate safety switch 6 6 6 7 6 10 6 12 Ground pressure 6 3 Ground support 6 3 H Hard road s...

Страница 82: ...e 3 3 Safety in use 3 1 Safety prior to use 3 1 Scaffold coupling 1 14 Setting the machine left or right 6 21 Signal light 5 2 Special situations 1 1 Symbols I X Symmetrical platform construction 1 8...

Страница 83: ...APPENDICES 1 MSHF 7295 026A...

Страница 84: ...APPENDICES 2 MSHF 7295 026A...

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