Why will the control box not switch to “auto” setting on my McHale 991B Stretch Wrapping Systems?
If the control box will not switch to “auto” setting on your McHale Stretch Wrapping Systems, the loom might not be connected to the box. Connect the loom.
Why is the plastic not stretching on my McHale Stretch Wrapping Systems?
If the plastic isn't stretching on your McHale Stretch Wrapping Systems, it could be due to a buildup of tack/glue on the dispenser rollers. Clean them off with kerosene. Alternatively, the torsion spring on the dispenser might be weak, in which case you should replace it.
Why is the table stopping in the wrong position on my electronic McHale Stretch Wrapping Systems?
If the table on your electronic McHale Stretch Wrapping Systems is stopping in the wrong position, reset the magnets. Ensure you start with the cut & hold at the rear of the machine. Adjust the slow down setting in the control box. Check the electrical connections for the slow speed valve. Clean the dirt in slow speed cartridge. Ensure that you set table rotation to 10 rpm.
Why is the control box not counting on my McHale 991B Stretch Wrapping Systems?
If the control box on your McHale Stretch Wrapping Systems isn't counting, the sensor might be damaged, or the magnet broken. Locate and replace them. Adjust the sensor approximately 10-15 mm from the magnet. If these steps do not solve the issue, the control box may be faulty and require replacement.
What to do if the cut & hold is not opening on my McHale 991B?
If the cut and hold mechanism on your McHale Stretch Wrapping Systems is not opening, the pressure on the accumulator might be low. Prime the accumulator to resolve this issue.
Why is the damper rising during the wrapping cycle on my McHale 991B Stretch Wrapping Systems?
If the damper is rising during the wrapping cycle on your McHale Stretch Wrapping Systems, there might be high hydraulic back pressure. Fit a free flow return. A faulty quick release coupling can also cause this; replace the quick release coupling.
Why is the table slow to tip down on my McHale Stretch Wrapping Systems?
If the table is slow to tip down on your McHale Stretch Wrapping Systems, the back pressure might be too high. Ensure a free flow return is fitted. Alternatively, the quick release couplings might be faulty; replace the couplings.
Why is the damper slow or failing to come down on my McHale 991B Stretch Wrapping Systems?
If the damper is slow or fails to come down on your McHale Stretch Wrapping Systems, the restrictor tap might be set too tight. Adjust the restrictor.
Why is the remote control receiver not accepting a signal on my McHale 991B Stretch Wrapping Systems?
If the remote control receiver on your McHale Stretch Wrapping Systems isn't accepting a signal, check the connection on the rear of the control box. Replace the batteries on the handpiece. Ensure you press the start button for 2 to 3 seconds. If you have an infrared type receiver, turn away or shade from direct sunlight. Operate where glass cannot come in the way, if you have an infrared type receiver.
Why is the dump valve on the control valve leaking on my electronic McHale 991B Stretch Wrapping Systems?
If the dump valve on the control valve is leaking in your electronic McHale Stretch Wrapping Systems, ensure a free flow return is fitted. Also, verify that the return hose is connected.
Details the exclusive agricultural applications for the McHale 991B wrapper.
Identifies key machine components with numbered labels.
Provides metric and imperial measurements for the machine.
Lists requirements for connecting the wrapper to a tractor.
Details technical specifications like film stretch, layers, and bale capacity.
Highlights the importance of understanding warnings, cautions, and information symbols.
Emphasizes reading safety decals and ensuring they are present and legible.
Instructions for safely storing attachments and keeping storage areas clear.
Recommends appropriate clothing and hearing protection for safe operation.
Guidance on keeping emergency equipment and phone numbers accessible.
Warns against entanglement with moving parts and advises safety precautions.
Provides a guideline procedure for dealing with a machine fire.
Covers general warnings, safety devices, danger zones, and pre-assembly safety.
Addresses potential influences on electronic components and cable maintenance.
Details safe practices for working with the hydraulic system and hose replacement.
Discusses noise regulations and recommendations for operating the machine.
Lists precautions to prevent fires, such as awareness of flammable materials.
Illustrates the placement of various safety decals on the machine.
Explains the meaning of specific safety decals used on the machine.
Provides safety instructions and procedures for lifting the machine.
Specifies the minimum tractor power and oil quality needed for operation.
Guides on configuring the hydraulic valve based on tractor system type.
Step-by-step instructions for connecting the wrapper to the tractor.
Details on connecting the electronic control box and power supply.
Specifies the ideal characteristics of bales for optimal wrapping.
Guidance on using high-quality plastic film and application layers.
Instructions on protecting the plastic film roll from damage and moisture.
Details the functions of manual controls operated by levers.
Explains the functions of manual controls operated via cables.
Describes the operation of the hydraulic servo joystick controls.
Overview of the bale wrap computer and its control functions.
Procedure for selecting the correct wrapping program for the machine.
Description of the six channels used to monitor machine operations.
Explains how to view and manually reset the current wrap count.
Details on displaying and resetting store totals for bale counts.
Instructions for displaying and resetting the part total bale count.
Information on viewing the non-resettable grand total bale count.
How to display and reset the bale wrapping rate per hour.
Details on displaying bale wrapper speed and the overspeed alarm.
Procedure for programming the overspeed alarm threshold.
Steps for performing a total reset of the instrument.
Overview of the electronic control box as the operator interface.
Explains the function of each button on the electronic control box.
Lists available wrapping programs and their suitability for machine models.
Guide to navigating menus for configuring machine settings.
Details on working displays, counters, and voltage monitoring.
Explains voltage monitoring and common causes of low voltage.
Procedure for changing the desired number of film wraps.
Guide to accessing and adjusting operator-specific settings.
Instructions on adjusting the display contrast for readability.
Selection guide for infrared or radio frequency remote control types.
Setup and usage instructions for radio remote control operation.
Enables automatic completion of the wrapping cycle.
Configuration for automatic bale loading and arm positioning.
Access restricted to McHale engineers for advanced settings.
Steps to ready the machine for wrapping, including film loading.
Detailed procedure for loading the plastic film roll into the dispenser.
Instructions for converting the standard damper to side tipping.
Recommended method for operating the wrapper behind a tractor.
Operation guide for the 991 BJS model behind a tractor.
Procedure for static wrapping using remote control on the 991 BER.
Checks and requirements before operating the machine on public roads.
Procedure for adjusting the drawbar height for tractor compatibility.
Guidance on adjusting the dispenser height for optimal film coverage.
Instructions for converting the machine to use 500 mm wide plastic film.
Adjustment procedure for table rollers to accommodate different bale sizes.
Adjusting magnets to ensure the table stops correctly.
Adjusting magnets to control the table's starting position.
Procedure for resetting the magnet that signals loading position.
Adjusting the bale damper lift height for a gentle bale transition.
Adjusting the bale damper drop speed to prevent machine damage.
Instructions for replacing the shearbolt on the table drive roller sprocket.
Procedure for replacing roll pins in the gearbox cross shaft.
Guides on managing hydraulic accumulator pressure for the cut & hold.
Steps to increase hydraulic accumulator pressure.
Steps to decrease hydraulic accumulator pressure.
General guide to maintaining correct chain tension for efficient operation.
Procedure for adjusting the tension of the table drive chain.
Instructions for adjusting the table roller drive chain.
Details the utility of the side tip damper for bale handling.
Information on the kit for using 500 mm wide plastic film.
Describes the remote control kit for static wrapping operations.
Lists dispenser gear options for different film stretch percentages.
Outlines recommended maintenance schedules for optimal performance and safety.
Provides recommended torque values for various fasteners.
Instructions for cleaning, lubricating, and storing the machine at season end.
Checks and preparations required before starting the machine for the new season.
Introduction to common problems and solutions for the machine.
Troubleshooting issues related to the lift arm and table operation.
Common problems and solutions concerning plastic film splitting or not stretching.
Troubleshooting issues with the bale damper's slow or failed operation.
Solutions for problems with the cut & hold mechanism, including leaks.
Diagnosing issues with the control box, counting, and display.
Resolving hydraulic system issues like vibration or pressure problems.
Troubleshooting problems with the remote control receiver signal.
Solutions for issues with the control valve, such as leaks.
Certifies the machine's compliance with EC Machinery Directive and national laws.
Details the Pre-Delivery Inspection form requirements for new machines.
Guidance on pre-checks for transferring machine ownership.
Outlines the terms and conditions of the machine's limited warranty.
General| Brand | McHale |
|---|---|
| Model | 991B Series |
| Category | Stretch Wrapping Systems |
| Language | English |
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