Graef VA 802 Operating Manual Download Page 41 | Manualshive

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Cleaning

41

IMPORTANT!

Do not lay removed parts on top of each other. Parts may be damaged.

Only clean the beater and the chain frame with the brush provided. Do not
press too hard.

4.1.1. Disassembly of the Removable Parts

Tray:

x

Lift the tray as shown in the picture.

x

Move the tray towards the operator and remove
from the machine.

Placing arm:

x

Remove the star grip while fixing the placing arm to
the beater rod.

x

Take the placing arm from the machine.

Chain frame:

x

Swing the pressing roller away from the limit stop with
your right hand.

x

Pull the chain frame upwards by the handle with your
left hand and remove it from the machine.

!

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Summary of Contents for VA 802

Page 1: ...Technical specifications subject to change GRAEF h Jan 2010 CB OPERATING MANUAL Original Fully Automatic Slicing Machine VA 802 VA 804 VA 806 Machine No Year of construction ...

Page 2: ... 3 Operation 15 3 1 Operating Controls 15 3 1 1 Operating Terminal 15 3 2 Programmes 17 3 2 1 Slicing in the Standard Mode PLU 0000 17 3 2 2 Slicing 21 3 2 3 Semi automatic Function Option 23 3 2 4 VA 806 guide rail and endpiece holder 25 3 3 Start Programme 26 3 4 Changing the Standard Programme PLU 0000 27 3 4 1 The M PLU Additional Menu 27 3 4 2 The M Additional Menu OPTION 30 3 4 3 Slicing in ...

Page 3: ... 1 Sharpening the Blade 51 5 1 1 Description of the Blade Sharpener 51 5 1 2 Preparing the Machine 52 5 1 3 Sharpening the Blade 52 5 2 Changing the Blade 54 5 3 Lubricating 55 6 Faults and Operating Errors 56 7 Service 58 ...

Page 4: ... Machinery Directive 2006 42 EC EC EMC Directive 2004 108 EC EC Low Voltage Directive 2006 95 EC The following harmonized standards and technical specifications have been applied EN 1974 EN 61000 6 2 EN 61000 6 3 EN 61000 4 2 3 4 5 6 11 EN 61000 3 2 EN 55022 Name of the authorized representative Reinhard Graef Address of the authorized representative see manufacturer s address Changes to the machi...

Page 5: ...as for providing instructions on how to operate clean and service the machine Customer installation and start up incorrect operation modifications and removal of the safety equipment will invalidate our liability Important The installation and instruction must be confirmed by your authorised GRAEF dealer Depending on the design the slicing machines weigh more than 68 kg Two adults are required to ...

Page 6: ...no oil or grease on the surface x Ensure sufficient lighting of at least 300 lux 1 1 1 2 Unpacking the machine Caution The machine may only be unpacked and set up by authorised customer service sales personnel Check the required working space with the machine switched off Hold the last slice clamp by the handle Lift up the last slice clamp Move the carriage all the way forward and back If the carr...

Page 7: ...ord so that no one can fall or trip over it x The machine is designed for use in sales rooms 1 1 2 Proper Use The fully automatic slicers VA 802 804 806 are designed to slice only the following types of food Sausage meat ham slicing cheese Do not attempt to slice frozen foods Do not attempt to slice vegetables or food that has bones Remove any metal braces on the goods to be sliced Unauthorised mo...

Page 8: ...ock The machine operates with a mains voltage of 230 V or 400 V and must therefore not be opened The protective earth conductor system must be connected in any case otherwise there is a risk of severe electric shocks Caution Hazards posed by the chain frame Never put your hands near the chain frame during operation The spikes can cause serious injury The placing arm that removes the sliced food mo...

Page 9: ...understood the operating instructions Have been instructed thoroughly by the operator Have been instructed on the dangers of the machine and the hygiene regulations The machine may only be serviced and repaired by specialists Take precautions to prevent unauthorised persons from using cleaning or servicing the machine 1 1 7 Protective Clothing and Equipment Wear close fitting clothes when operatin...

Page 10: ... Last slice clamp handle Carriage Guide rail Locking screw Chain frame handle Chains On button Last slice clamp Off button Operator Slice thickness control Start stop button Blade guard ring Scraper Pressing roller Thumb wheel Scraper comb Placing arm star grip Placing arm removable beater Tray Power cable Tray guide Carriage star grip Feeder shaft Bearing block ...

Page 11: ...on when the slicing thickness is below Zero or the carriage has been tipped off cleaning mode Thumb finger guard Prevents accidental contact with the blade Chain frame cover Prevents access to the back or catching in the chain tips running to the blade Undervoltage mechanism Prevents the machine from starting up again after an interruption to the power supply such as a power cut Blade sharpener wi...

Page 12: ...mm Dimensions with chain frame L x H Min 30 x 30 mm Dimensions without chain frame L x H Max 260 x 195 mm Slicing length L 250 mm Largest distance between last slice clamp and blade clamping distance L 230 mm 420 mm 600 mm Tray size L x W 300 x 255 Length of tray run s 160 mm Slice thickness T 0 5 10 mm Slicing speed maximum V Max 70 strokes per minute Max 60 strokes per minute Max 55 strokes per ...

Page 13: ...rriage stroke rate that can be adjusted without levels x Slicing parameters as listed in the Technical Dimensions table x Control panel that is clearly laid out and easy to reach and has a membrane keypad that is proof against dripping water Standard placing programmes x Stacking up to 4 stacks x Long fanning up to 4 rows x Cross fanning up to 4 rows x Circular placing Variable starting programme ...

Page 14: ...ross section recognition of the food to be sliced Automatic adjustment of the carriage run to the cross section of the product Automatic adjustment of placing distances for optimum use of the selected placing pattern x Placing format Entering of the placing pattern L x B for adapting to the selected packaging tray film and so on x Counting mode Specification of the number of portions Specification...

Page 15: ... Stacking button x Selects the stacking stack function x Stores the set data tray dimension number of slices cutting mode when pressed until a beep is emitted Cross shingling button x Selects the cross fanning function x Stores the set data tray dimension number of slices cutting mode when pressed until a beep is emitted Long shingling button x Selects the long fanning function press 1x briefly x ...

Page 16: ... plus minus buttons can then be used to select the PLUs Carriage stroke button x On pressing this button the carriage speed lifting speed can be controlled using the plus minus buttons Button combination M PLU x Programmes PLUs new change delete x Changes the standard placing programme PLU 0000 Explanation of the values and symbols in the display Slice count Portion specifications in continuous mo...

Page 17: ...e the number of stacks with the X button Up to 4 stacks are possible When making preparations it is recommended to set the slice counter to 000 In this way the maximum stack height is always achieved If stacks are to be generated on portioning units foils PE trays foam trays trays etc you can enter the outer dimensions of the portioning units L x W for central placing Option the machine then uses ...

Page 18: ...ecommended to set the slice counter to 000 The machine then fans multiple layers on top of each other If rows are to be generated on portioning units foils PE trays foam trays trays etc you can enter the outer dimensions of the portioning units L x W for central placing Option the machine then uses the calibre recognition option to calculate the best placing point Example 3 x X button 4 stacks Sel...

Page 19: ...r If rows are to be generated on portioning units foils PE trays foam trays trays etc you can enter the outer dimensions of the portioning units L x W for central placing Option the machine then uses the calibre recognition option to calculate the best placing point Example 3 2 1 4 Circular shingling Circular shingling enables the slices to be placed in a circular pattern The diameter of the circl...

Page 20: ...acking function has been selected If the function button stacking is pressed again three bars appear in the display The plus and minus buttons can be used to change the position of the highlighted bar and the laying position of the cutting material is moved on the tray correspondingly OFFSET FUNCTION CHANGE OF LAYING POSITION Stacking Left centre right Long shingling Left centre right Cross shingl...

Page 21: ... Preparing the carriage x Pull the return lever towards you while moving the complete last slice clamp away from the blade to the end of the carriage x Take hold of the handle of the last slice clamp and swivel it upwards x Push the guide rail towards the last slice clamp as far as required by the food to be sliced ...

Page 22: ...to the down position Thread in the endpiece holder straight down x Pull the return lever all the way towards you x Move the last slice clamp gently against the end of the food to be sliced x Switch on the machine CAUTION The carriage slowly moves to its initial position when you switch on the machine If the carriage is already in this position when you switch on the machine there will be no positi...

Page 23: ...g operation using the PLUS MINUS buttons x If you press the yellow button again the programme will be terminated The carriage returns to the starting position Press the button again to continue the programme 3 2 3 Semi automatic Function Option Model VA 802 has the additional option of moving the carriage manually This semi automatic mode is especially suitable if a small number of slices of diffe...

Page 24: ...licing thickness control the slice thickness can be read off at the display x Slicing now proceeds like on a manual machine in other words press the food gently against the stop and push the carriage towards the blade CAUTION The carriage is supported by a servo drive as soon as you push it towards the blade IMPORTANT You must move the T handle back to the vertical position for automatic operation...

Page 25: ... Pull the return lever all the way towards you and place the endpiece behind the food product x Swivel down the endpiece holder and thread into guide rail x Thread in the endpiece holder straight down x Pull the return lever all the way towards you x Move the endpiece clamp gently against the end of the food to be sliced Removing the guide rail x Swivel up the endpiece clamp x Loosen the clamp and...

Page 26: ... function Stacking Circular shingling Long shingling Number of slices 10 10 8 Number of rows stacks 2 1 3 Press for 2 3 seconds If programming is done in the sequence P1oP2oP3 the following happens after switching on the machine Long shingling function 3 rows of 8 slices which is programme P3 On changing functions i e by pressing a different button e g Stacking the placing pattern is set for the c...

Page 27: ...e option x Counting mode option in additional menus 3 4 1 The M PLU Additional Menu Access the programme menu by pressing buttons M PLU Here in the STANDARD menu item you can change the basic functions relating to fanning distances and positioning on the tray It is also possible to specify the idle time in continuous mode here Select Reset to return all functions to the default settings at any tim...

Page 28: ...o the next slice Cross shingling dist lengt Delta Y Lengthways distance distance to the next slice in Y Stacking dist slice Slice distance distance to the next slice Long shingling X Y Y start X start shingling stacking shingling shingling dist trans dist lengt X start Y start heigt max O shingling general reset standard dist slice dist row X start Y start slices row X start Y start dia circle sli...

Page 29: ...his function to reset all parameters for individual functions to the default settings Special circular fanning features Diameter of the circle through the central points of the slices partial diameter Note The outer diameter of the DA circular fan is the result of the cutting material calibre DK DM Example Salami DK Ø 60 Set semi circle DM 100 DK 60 DM 100 Dia circle DM DA 160 X start X0 Smallest ...

Page 30: ...me menu item also appears 3 4 2 1 Placing Format The machine can determine the calibre of the food placed on it It bases all its calculations on a round calibre You can therefore specify the placing format so the area in which the sliced food is to be placed through the parameters Length L and Width W placing format calibre mode pause width length Active Semi Height Off normal contin counting mode...

Page 31: ...ion This value is used for subsequent tasks x Adjusting the carriage stroke path small product small strokes large product large strokes x Positioning on the tray Exact placing on packaging such as film paper or a tray You can use the menu controls to set the calibre recognition function to different modes a Activation of calibre recognition Auto In this mode the placing pattern is calculated auto...

Page 32: ...re recognition only registers the product length and assumes that product height and width are identical This means that the fanning distance can be too small for flat products because the machine selects a fanning distance that is too small for the entered product height for the assumed larger slices to be placed within the set tray dimensions The machine operates with numerical values in steps o...

Page 33: ...tions in continuous mode repeat mode To do this use the arrow buttons to specify the number of portions If you specify 0 the machine will repeat the process until the food has been sliced or the operator cancels the slicing process Another way to modify the continuous slicing mode is to add pauses between individual portions The pauses can be used to remove one portion from the table and add a new...

Page 34: ...de PLU 0000 again from the PLU mode press the PLU button and then press the Reset button immediately You can select the following functions in PLU mode Buttons Function Change the idle time between two placing patterns Change the portions Change the stroke speed Only for fully automatic machines 3 4 4 Programming a PLU Access the programme menu by pressing buttons M PLU IMPORTANT Always press and ...

Page 35: ... can create change or delete placing programmes Proceed as follows Example new Use the arrow keys to go to new Confirm your selection with the M button The following menu appears Use the plus minus buttons to change the preset value to the desired PLU Confirm your selection with the M button You can now programme the selected PLU New PLU PLU 1 ...

Page 36: ... button then takes you to the editor where you can determine the value using the plus minus buttons Pressing the reset button takes you back to the menu for the selected PLU PLU 1 mode stacking quantity 2 slices 10 layout lengthwise portion 1 X start 0 Y start 10 dist trans 0 dist lengt 100 str min 50 thickn 10 pause 0 ...

Page 37: ...on of the number of layers that can be sliced onto each other X start X0 Moves the initial placing point in X direction Y start Y0 Moves the initial placing point in Y direction dist trans X Delta Crosswise distance distance to the next stack in X Stacking Dist row X Delta Row distance distance to the next row Long shingling Dist slice X Delta Slice distance distance to the next slice Cross shingl...

Page 38: ... Maximum idle time 120 s Special circular fanning features Diameter of the circle through the central points of the slices partial diameter Note The outer diameter of the DA circular fan is the result of the cutting material calibre DK DM Example Salami DK Ø 60 Set semi circle Dm 100 DK 60 DM 100 Dia circle DM DA 160 X start X0 Smallest distance of the y axis to the slice circle start position in ...

Page 39: ...stance 100 1 portion slicing thickness 1 8 mm slices per minute 50 strokes per min PLU 10 mode shingling quantity 2 slices 9 portion 1 X start 45 Y start 20 dist row 100 dist slice 22 str min 50 Thickn 18 Pause 0 Tray X start Y start Slice distance Row distance Slices X number of rows stacks ...

Page 40: ...en cleaning the machine These scratch metallic surfaces and impair hygiene and slicing performance Use only the cleaners and disinfectants that have been approved by us diluted as specified Do not use any harsh or abrasive cleaners or disinfectants Never use a high pressure or steam cleaner Failure to observe any of these points will invalidate any warranty claims 4 1 Preparing for Cleaning Press ...

Page 41: ...ray x Lift the tray as shown in the picture x Move the tray towards the operator and remove from the machine Placing arm x Remove the star grip while fixing the placing arm to the beater rod x Take the placing arm from the machine Chain frame x Swing the pressing roller away from the limit stop with your right hand x Pull the chain frame upwards by the handle with your left hand and remove it from...

Page 42: ... Move the guide rail towards you and swivel it up until it is upright x Pull out the guide rail towards you Fold off the carriage x The limit stop must be completely closed x Move the last slice clamp away from the blade and remove the star grip x Grasp the carriage by the handle and tilt out carefully ...

Page 43: ...om the blade with both hands and put it to one side 4 2 Cleaning the Different Parts of the Machine 4 2 1 Blade and Blade Ring WARNING The blade is sharp Only clean it when the carriage is tilted out and the limit stop is closed x Push a dampened cleaning cloth between blade and blade protection ring from the front x Using both hands pull the cleaning cloth against the blade guard ring once or twi...

Page 44: ...ay x Rub the blade dry with a clean cloth in a similar fashion 4 2 2 Carriage x Clean the bottom of the carriage with a damp cleaning cloth when it is tilted out x Remove the food remains from the carriage surface and then clean it according to the cleaning plan x Last slice clamp x Use the brush to clean the spiked side x Wipe the smooth back with a cleaning cloth ...

Page 45: ...e x Swing the pressing roller to the side as shown on the picture x Use a brush and cleaning liquid to clean the pressing roller x Turn the pressing roller and fix it again by the gear wheel so that you can clean the whole roller x Use the same procedure on the chain drive cylinder x Carefully clean the scraper fingers while the pressing roller is swung away ...

Page 46: ...by its handle x Use a brush to clean the chains x Move the chains forward by turning the drive cylinder to clean every part of the chains x Put the placing arm on its side on the table x Use the brush to clean the fingers gently x Use the same procedure on the back IMPORTANT Bending the fingers can cause problems during the placing of the slices Clean the removable and non removable parts accordin...

Page 47: ...e product to act Disposable cleaning cloth hand sprayer Additional fuse distance when spraying approx 30 cm 4 b Acid cleaning additional measure Max 3 e g Henkel P3 riskan Goldschmidt Somplex Schaum sauer Foam up manually Let it act for max 12 min Brush Hand sprayer To remove lime scale if necessary Disposable cleaning cloth Rest of machine Hand sprayer Detached parts 5 Rinse Tap water Max tempera...

Page 48: ...r clean detachable parts in a dishwasher Assembling the removed machine parts Assemble all the removed parts in the reverse order after cleaning Check carefully that all parts are fitted and fixed correctly Parts that have been improperly fastened can become loose during operation and cause damage to the machine or even worse injure the operator 4 5 Assembly Please observe the following during ass...

Page 49: ...Cleaning 49 x Correct position 1 x Correct position 2 x Correct position 3 1 2 3 ...

Page 50: ...e carriage is loose it can injure the operator damage the machine or result in bad slicing CAUTION Tighten the star grip on the placing arm A loose arm can cause problems and damage the machine x Slide the tray in recess side first 1 under the holding piece as far as possible then push it down onto the holding bolt CAUTION Ensure that the tray fits properly and tightly to prevent it from falling d...

Page 51: ...this machine only The machine number and the number on the sharpening device are identical The blade may only be sharpened by personnel who have been trained to do so 5 1 1 Description of the Blade Sharpener Adjusting wheel Scale x 0 attaching position x 1 sharpening position x 2 honing position Blade sharpener housing Protective cover Clamp arms Knurled screw Honing stone Sharpening stone Blade s...

Page 52: ...g for sharpening 5 1 3 Sharpening the Blade x Set the blade sharpener to position 0 using the adjusting knob x Put the blade sharpener on the limit stop x Both clamp arms 1 must touch the stop edge at the top x Push the sharpener towards the blade until the bolt head 2 touches the blade ring x Place the blade sharpener with the thumb wheel on the limit stop IMPORTANT The blade can only be sharpene...

Page 53: ... machine to run for a few revolutions 2 3 seconds until the ridge is removed x After deburring switch off the machine with the red Off button Taking off the blade sharpener x Turn the adjusting knob of the blade sharpener to position 0 IMPORTANT The blade sharpener may only be taken off in this position Otherwise the blade and the sharpener could be damaged x Undo the knurled screw on the blade sh...

Page 54: ...lade is sharp It can cause serious injury even when it is not moving The blade may only be replaced by authorised GRAEF service personnel CAUTION The blade must be replaced when the distance between the blade guard ring and the blade is larger than 6 mm ...

Page 55: ...the rod and rub in with a cotton cloth x Lubricating interval as required whenever the last slice clamp is difficult to move Spindle nut x Swing out the carriage x One drop per gear x Use the return lever to move the nut away from the spindle and apply the lubricant with the tip of the bottle x Lubricating interval When required but at least once a week Tray gear rack x Apply some lubricant onto t...

Page 56: ...machine IMPORTANT For Semi automatic operation make sure that the T handle is in the correct position on the bearing block Bad slicing slices are frayed x Blade is blunt x Sharpen the blade Poor sharpening results x You are using the wrong blade sharpener x Grinding disks are greasy x Use the blade sharpener that was supplied with the machine The correct blade sharpener will have the same serial n...

Page 57: ...he required slice thickness x Use the return lever to move the last slice clamp away from the blade and back to the start position x Switch off the machine set the T handle to a vertical position and move the carriage by hand until it engages Switch the machine on again Yellow button flashes but the carriage does not move only VA 802 with option semi automatic Function x T handle is in the wrong p...

Page 58: ...ce IMPORTANT Only use genuine GRAEF spare parts The use of other parts will invalidate the warranty see also the declaration of conformity Contact your GRAEF customer service If you require service or spare parts ...

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