McHale 991 LB Operator Instructor Manual Download Page 36

McHale

 

991L

 

Round Bale Wrapper

36

Reset Timing Period

8.1.8  Channel 6 - Bale Wrapping Speed

Displays instantaneous r.p.m. of the bale wrapper at 3 second intervals in the range 
10-99 r.p.m. An overspeed alarm will sound if the r.p.m exceeds a pre-programmable 
limit. The display will default to this channel and flash for the duration of the 
overspeeding, subsequently reverting to the “current/target wraps” display.

Display Bale Wrapping Speed

8.1.9 Program the Overspeed Alarm

Press to select 

Press and hold

Press to select 

Switch power on while pressed

Release

Summary of Contents for 991 LB

Page 1: ...cHale Ballinrobe Co Mayo Ireland Tel 353 94 9520300 Fax 353 94 9520356 Email sales mchale net Website www mchale net CLT00032_20 991L 991L Series Round Bale Wrapper Operator Instructor Manual Issue 15...

Page 2: ...This page is intentionally blank...

Page 3: ...ertain models or optional equipment Also these specifications may not be available in all countries It is vital to replace defective parts of the machine immediately and to use only genuine McHale spa...

Page 4: ...moving parts 11 3 7 In the event of a fire 11 3 8 General safety warnings 12 4 Specific Safety Warnings 15 4 1 Electronic safety warnings 15 4 2 Hydraulic safety warnings 15 4 3 Noise level 16 4 4 Fir...

Page 5: ...00 mm plastic film conversion kit 55 11 4 Table rollers belts 56 11 5 Table stop position magnet 991 LBER 56 11 6 Table load position magnet 991 LBER 57 11 7 Table half tip magnet 58 11 8 Table drive...

Page 6: ...o will operate the McHale 991L be a fully trained operator They must read and fully understand all of the contents of this manual before operating the machine paying particular attention to the follow...

Page 7: ...lm for the purpose of storing as fodder for feeding livestock This designation includes the movement of the machine between fields by track or road incidental to the round wrapper s main use The manuf...

Page 8: ...cHale 991L Round Bale Wrapper 8 2 2 Front view No Machine Function 1 Bale Support Bobbin 2 Cut and Hold 3 Rotating Table 4 Bale Support Bobbin 5 Quick Fit Dispenser 6 2 x Film Holders 7 Shear Bolt Uni...

Page 9: ...800 kg 1 764 lbs Tyre dimensions 991 TBER 20 5 x 8 00 10 Tyre pressure 991 TBER 3 4 bar 50 psi Maximum road speed 40 km h 25 mph Attachment Pin hitch Towing tractor requirements 45 KW Electrics 991 L...

Page 10: ...nery damage personal injury or even death CAUTION This symbol indicates a potentially hazardous situation that if not avoided could result in machinery damage or personal injury INFORMATION This symbo...

Page 11: ...ccident emergency equipment should be kept close at hand A first aid kit and fire extinguisher along with emergency phone numbers should always be available to machine operators 3 6 Stay clear of movi...

Page 12: ...forbidden to operate this machine with defective or incomplete safety devices Danger Zone The Danger Zone is the area around the rotating table approx 5 metres radius from the rotating centre axis 1...

Page 13: ...tic film in the cut hold mechanism Particular care must be taken if the machine is left idle for any extended period to ensure that all sensors and safety features are working correctly The safety bar...

Page 14: ...intenance work always support the machine properly Where possible lower the attachment or implement to the ground before you work on the machine If it is not possible to lower the machine or attachmen...

Page 15: ...etrate the skin and cause injury Beware of pipes under accumulator pressure depressurise lines by unthreading connections extremely slowly Hydraulically actuated devices such as the table tip must be...

Page 16: ...noise level of the machine and the tractor is primarily influenced by the tractor noise radio is an additional noise source It is recommended to operate this machine with closed cabin windows 4 4 Fir...

Page 17: ...McHale 991L Round Bale Wrapper 17 4 5 Safety instruction decal locations Figure 4 a Decals on the 991L...

Page 18: ...lowed If any of the decals are damaged or missing they are available from your McHale dealer The relevant part numbers are shown in brackets The decals featured on the McHale 991L are displayed with t...

Page 19: ...Bale Wrapper 19 Keep hands out of the trap area CST00026 Keep clear of rotating table CST00028 Max table speed 30 R P M CST00031 Lifting hook location CST00032 Diagram of plastic film path through di...

Page 20: ...Do not dismantle High pressure always CST00056 Read instruction manual CST00057 Support table before working under it Refer to the instruction manual CST00059 Dispenser height setting CST00062 Manual...

Page 21: ...5 tonnes 500 kg per chain or strap when using the four lift eye locations on the chassis shown below The crane or lifting device must be capable of lifting a minimum load of 1 5 tonnes 1 500 kg Never...

Page 22: ...of the bale wrapper to the tractor 1 Category 2 three point linkage tractor only 2 Two 1 2 female quick releases for hydraulic power supply The return line must be a freeflow to the tank check with a...

Page 23: ...is plug is used for both open centre and load sensing hydraulic systems The hydraulic valve is set up to this specification when leaving the factory When using load sensing hydraulics always set the t...

Page 24: ...ecure it to the glass in an appropriate place using the suction pad on the rear The safety strap must be secured to protect the box from accidental damage If there is no cab on the tractor secure as a...

Page 25: ...good power supply is critical for proper machine operation as the electronic control box is the main interface between the operator and the machine Figure 5 a Bale Wrap Computer Figure 5 b Electronic...

Page 26: ...d airtight package The operator needs to ensure that the bale is correctly wrapped It is good practice to periodically check the bales after being wrapped for any torn split or punctured plastic film...

Page 27: ...onged exposure to the sun Do not remove the protective cover until ready for use Film damage can cause undesired film performance and affect bale weatherability ENVIRONMENT Recycling of film roll Resp...

Page 28: ...trols on the 991L consists of a four bank manually operated spool valve operated directly by levers No Function No Function 1 Not used 2 Not used 3 Table rotate reverse 4 Table rotate forward 5 Table...

Page 29: ...r select a function The Bale Wrap Computer is used to monitor and control a number of different McHale bale wrapping machines both manual and semi automatic It is very important that the correct progr...

Page 30: ...ill flash 1 2 or 3 8 Change by pressing SET RESET 9 When the correct program number is displayed switch off the computer 10 The settings will be retained in the memory 8 1 2 Channels The Bale Wrap Com...

Page 31: ...splay will flash If set the early warning alarm sounds beforehand Automatic reset of the current number to zero normally occurs 3 seconds after the target number is reached If additional wraps are add...

Page 32: ...raps short beeps for the final wrap and then a continuous beep for three seconds For example if the bale requires 22 wraps and you want an alarm at 20 wraps then set the number to 2 To effectively dis...

Page 33: ...lly Display a Store Total Select a Store Total Hold to cycle to the required digit Release all Press to select The fourth digit displays the current store designation for 2 seconds The current total f...

Page 34: ...s complete the part total is automatically advanced by 1 The part total can be reset at any time Display Part Total Reset Part Total Press to select Select the desired store total A H Press and hold t...

Page 35: ...nd total cannot be reset Display Grand Total 8 1 7 Channel 5 Bale Wrapping Rate Displays the number of bales wrapped per hour The time period over which the rate is average may be re started at any ti...

Page 36: ...9 r p m An overspeed alarm will sound if the r p m exceeds a pre programmable limit The display will default to this channel and flash for the duration of the overspeeding subsequently reverting to th...

Page 37: ...control switches Switch power on Release all switches All instrument settings should be returned to the factory set values If the display shows PrOg again the instrument may be faulty and must be ret...

Page 38: ...e between the operator and the machine While the machine is fully automatic mode setting up is required before wrapping commences It is also possible to work the machine manually through the buttons o...

Page 39: ...it starts the tipping part of the cycle 8 Table lower 9 Cut hold close 10 Cut hold open 11 Table reverse slow 12 Table forward slow fast Press the button for slow speed release quickly press it again...

Page 40: ...ed on 991 B series 991 L series Combi standard IL Not used on 991 B series 991 L series Remote R97L 991 LBER with bale lift arm Cut hold at the left side of the machine Remote R94 991 LBER standard Cu...

Page 41: ...McHale 991L Round Bale Wrapper 41 8 5 Electronic Control Box Setup...

Page 42: ...A J which can be reset These bale counters can be used to measure the amount of bales wrapped for various customers by using a different counter for each customer Day Counter which can be reset Every...

Page 43: ...g screen 2 The day total counter will be displayed 3 Press the Down Arrow Button 4 or ESC Button 2 twice to return to the working display Reset the Day Total Bale Counter 1 Press the Up Arrow Button 1...

Page 44: ...sor Display Contrast Remote type Continuous Cycle Auto Load Set up 3 Use the Up and Down Arrows Buttons 1 4 to select an item press Enter Button 3 to adjust the current selection setting Slow Down Tim...

Page 45: ...erator must apply the parking brake switch off the tractor and remove the key before replacing the film roll and attaching the film to the bale When the tractor is restarted press Resume Button 12 to...

Page 46: ...See Figure 8 d The Emergency Stop Button will stop the cycle at any time The other two buttons will rotate the table in forward and reverse Radio Remote Whenever a radio remote is being used for the...

Page 47: ...llow green is ground On machines from serial no 58298 the brown wire is 12 volts and the yellow green is ground The maximum current available on this 12 volt output is 3 amps CAUTION Press the safety...

Page 48: ...ers to the float position and wrapping starts Both the float position and the lower position may be adjusted To set the Lower Float Position 1 Press the Down Arrow Button 4 three times to select the O...

Page 49: ...McHale 991L Round Bale Wrapper 49 8 6 6 Technician Menu The technician menu is reserved for McHale engineers only A pin code needs to be entered to access the menu...

Page 50: ...in the correct starting position see Electronic Control Box Functions on page 39 On electronic machines the control box needs to be set on Manual Mode Button 13 to work this function 6 Switch on the...

Page 51: ...per the threading diagram Figure 9 c 6 Tie the end of the plastic film to the bale on the table Never attempt to clamp plastic film in the cut hold mechanism 7 Close the dispenser by releasing the lat...

Page 52: ...able slows down two revolutions before the required number of revolutions is reached 991 LBER e The table stops rotating when the required number of rotations is reached It is now lined up for tipping...

Page 53: ...ny other regulations regarding road use are strictly adhered to The following should be inspected every time before travelling on a public road Ensure that the tyres 991 TBER are set to the correct pr...

Page 54: ...chine goes to work for the first time 11 1 Drawbar height 991 TBER The height of the drawbar may be adjusted to allow for the use of different tractors The wrapper should be parallel to the ground whe...

Page 55: ...pe to hold the film roll To complete the conversion carry out the following procedure To convert back to 750 mm plastic film reverse the procedure Figure 11 c Plastic film conversion kit 1 Fit the pla...

Page 56: ...11 5 Table stop position magnet 991 LBER If the table does not stop in the correct position in line with the chassis it is possible to move the magnet that controls the stop position However it must...

Page 57: ...s 1 Tip up the table and fit the safety bar 2 Identify the magnet to be changed There are two set of magnets near the outside of the table The magnets that require adjusting are positioned nearest the...

Page 58: ...rds to sense when the table is nearer the chassis i e Table lowers more before indexing 4 Move the magnet downwards to sense when the table is further away from the chassis i e Table lowers less befor...

Page 59: ...the chain guard and the two handwheels Figure 11 k Table drive roller shearbolt replacement 11 9 Gearbox cross shaft roll pin replacement As a secondary overload protection device the gearbox cross sh...

Page 60: ...to the open port 3 Operate the cut and hold to prime the system It only needs a small amount of oil to prime it back up 4 Remove the hydraulic pipe and adaptor and refit it to its original position 5...

Page 61: ...ration of the machine that all drive chains are kept correctly tensioned The following is a general guide to chain adjustment The sag is measured at the midpoint of the chain between the sprockets Alw...

Page 62: ...have to be made if a 500 mm plastic film conversion is carried out To adjust go through the following procedure 1 Remove the chain guard by undoing the two handwheels 2 Loosen the 4 x M16 nuts and bo...

Page 63: ...the McHale 991L They are only correct at the time of print and may vary 12 1 500 mm Dispenser Kit A 500 mm wide conversion kit allows you to use 500 mm wide plastic film instead of the standard 750 m...

Page 64: ...00055 Gear spur 1 5 m 60t dispenser 1 2 CMH00175 Gear spur 1 5 m 35t dispenser 1 Item Part Code Description Qty ADP00020 Kit dispenser gears 64 1 1 CMH00056 Gear spur 1 5 m 59t dispenser 1 2 CMH00096...

Page 65: ...13 a Grease sub chassis pivots No 1 Grease table tip hydraulic cylinder ends No 2 Check all guards and safety devices Check for any oil leaks and damaged pipes Every week See Figure 13 b Grease table...

Page 66: ...aulic cylinder rods should be greased CAUTION Hydraulic hoses to be replaced every 5 years All hydraulic hoses must be replaced every 5 years WARNING Wear proper safety gear follow all instructions En...

Page 67: ...McHale 991L Round Bale Wrapper 67 Figure 13 a Daily greasing diagram for the 991L Figure 13 b Weekly greasing diagram for the 991L Figure 13 c Yearly greasing diagram for the 991L...

Page 68: ...M5 5 5 8 9 5 Din 933 M6 10 14 16 M8 23 33 40 Socket head M10 45 63 75 Cap screws M12 78 110 130 Din 912 M14 122 175 210 M16 195 270 325 Hex nuts M18 260 370 440 Din 934 M20 370 525 630 M22 510 720 87...

Page 69: ...ods Any components from which paint has become worn should be touched up or coated with grease to prevent rusting Remove all dirt from all chains and blow dry using compressed air 14 2 Start of season...

Page 70: ...1 1 Table Symptom Reason Solution Table rotates but bale not indexing Table drive roller shearbolt broken Replace shearbolt Gearbox cross shaft roll pins broken Replace roll pins Table stopping in th...

Page 71: ...hines Table down magnet set too high Reset table down magnet Symptom Reason Solution Cut hold not catching plastic film Positioned incorrectly Check position Table not stopping in the correct tip off...

Page 72: ...not connected to the box Connect loom Symptom Reason Solution Hydraulics under pressure when the wrapper is idle Valve set to closed centre on open centre system Change the setting Hydraulic system v...

Page 73: ...nd Bale Wrapper 73 15 1 7 Control valve Symptom Reason Solution Dump valve on control valve leaking electronic machines Back pressure too high Ensure free flow return is fitted Return hose not connect...

Page 74: ...e provided to the customer with the machine Machine is reassembled correctly Tyre pressure is correct Hydraulics electrics and lighting are working New owner has been instructed on how to operate main...

Page 75: ...Number ___________ Name of Manufacturer Address McHale Engineering Ballinrobe Co Mayo Rep of Ireland Is in conformity with the provisions of the following other EC directives 2004 108 CE EMC for the c...

Page 76: ...correctly 5 Ensure drawbar is fitted correctly before coupling machine to tractor Torque all bolts 991 TBER 14 Check dispenser s are running smoothly free from damage or grit 6 When hitched to tractor...

Page 77: ...concerned This limited warranty does not apply to failure through normal wear and tear to damage resulting from negligence or from lack of inspection from misuse from lack of maintenance and or if th...

Page 78: ...urned in an unfit state the claim will be refused If damaged parts have been returned to the company and warranty is refused the dealer is allowed a period of one month from the date of receiving our...

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