Bush Hog RMB 1660 Operator's Manual

Rear-mount boom mower

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Published 10/10

This Operator's Manual is an integral part of the safe operation of this machine and must

be maintained with the unit at all times. READ, UNDERSTAND, and FOLLOW the Safety

and Operation Instructions contained in this manual before operating the equipment. C01-

Cover

BUSH HOG

2501 Griffin Ave.

Selma, AL 36703

334-874-2700

www.bushhog.com

OPERATOR'S MANUAL

RMB 1660

REAR-MOUNT

BOOM MOWER

Part No. 50068816C

$0.00

Table of Contents

Summary of Contents for Bush Hog RMB 1660

Page 1 READ, UNDERSTAND, and FOLLOW the Safety and Operation Instructions contained in this manual before operating the equipment. C01- Cover ® BUSH HOG 2501 Griffin Ave. Selma, AL 36703 334-874-2700 www.bushhog.com RMB 1660 ©2010 Alamo Group Inc. REAR-MOUNT BOOM MOWER Part No. 50068816C $0.00...
Page 2 To the Owner/Operator/Dealer All implements with moving parts are potentially hazardous. There is no substitute for a cautious, safe-minded operator who recognizes the potential hazards and follows reasonable safety practices. The manufacturer has designed this implement to be used with all its safety equipment properly attached to minimize the chance of accidents.
Page 3 In order to reduce accidents and enhance the safe operation of mowers, Bush Hog Division, in cooperation with other industry manufacturers has developed the AEM/FEMA Industrial and Agricultural Mower Safety Practices video and guide book. The video will familiarize and instruct mower-tractor operators in safe practices when using industrial and agricultural mowing equipment.
Page 4 Alamo Group Ag. Division is willing to provide one (1) AEM Mower Safety Practices Video Please Send Me: VHS Format – AEM/FEMA Mower Operator Safety Video DVD Format – AEM/FEMA Mower Operator Safety Video Mower Operator’s Manual AEM Mower Operator’s Safety Manual Requester Name:_________________________________Phone: Requester Address:_____________________________________ City:___________________________________...
Page 5: Table Of Contents
TABLE OF CONTENTS SAFETY SECTION ... 1-1 General Safety Instructions and Practices ... 1-2 Operator Safety Instructions and Practices ... 1-3 Connecting & Disconnecting Implement Safety Instructions & Practices ... 1-5 Equipment Operation Safety Instructions and Practices ... 1-6 Maintenance and Service Safety Instructions and Practices ... 1-12 Transporting Safety Instructions and Practices ...
Page 6 STARTING THE TRACTOR ... 4-10 PRE-OPERATION INSPECTION AND SERVICE ... 4-11 Tractor Pre-Operation Inspection/Service ... 4-11 Boom Unit Pre-Operation Inspection and Service ... 4-12 MACHINE CONTROLS ... 4-19 Cable Controls - Identification & Function ... 4-19 Lever Functions ... 4-20 Rotor Control ...
Page 8: General Safety Instructions And Practices
Safety Messages. Always use good common sense to avoid hazards. Si no lee ingles, pida ayuda a alguien que si lo lea para que le traduzca las medidas de seguridad. RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY (SG-2)
Page 9: Operator Safety Instructions And Practices
Always read carefully and comply fully with the manufacturer’s instructions when handling oil, solvents, cleansers, and any other chemical agent. RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY (SG-30)
Page 10 (SG-36) Avoid contact with hot surfaces of the engine or muffler. when servicing hot components. Contact with a hot surface or fluid can cause serious injury from burns or scalding. RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY (SG-24)
Page 11: Connecting & Disconnecting Implement Safety Instructions & Practices
Tractor operator’s seat with the seat belt securely fastened. Inadvertent contact with the boom controls could allow a component to fall. A sudden or inadvertent fall by any of these components could cause serious injury or even death. RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY “Wait a minute...Save a life!”...
Page 12: Equipment Operation Safety Instructions And Practices
Do not back up this implement when the boom or mower head is extended. Backing could damage the machine or its components. RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY...
Page 13 To reduce the possibility of property damage, serious injury, or even death, never allow the Mower to be operated with blades missing. RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY...
Page 14 Operator’s Manuals, been trained in proper operation of the tractor and Implement, and are physically large enough to reach and operate the controls easily. RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY (SFL-6)
Page 15 In case of mechanical difficulty during operation, place the transmission in the park position, set the parking brake, shut down all power, including the PTO and the engine and remove the key. Wait until all rotating motion has stopped before dismounting. RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY...
Page 16 Inspect the cutting area for such objects before mowing. Remove any like object from the site. Never allow the cutting blades to contact such items. (SGM-06) RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY...
Page 17 Implement. Lower the implement carefully to the ground. Do not put hands or feet under lifted components. RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY...
Page 18: Maintenance And Service Safety Instructions And Practices
Inadvertent contact with the controls could allow a component to fall. A sudden or inadvertent fall by any of these components could cause serious injury or even death. (SBM-22) RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY Always replace any...
Page 19 Be alert to worn component surfaces which have sharp edges. Sharp surfaces can inflict severe laceration injuries if proper hand protection is not worn. (SG-37) RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY Do not permit anyone to modify or alter this...
Page 20: Transporting Safety Instructions And Practices
See your Authorized Dealer for proper repairs. Bush Hog mowers use balanced and matched system components for blade carriers, blades, cuttershafts, knives, knife hangers, rollers, drivetrain components, and bearings. These parts are made and tested to Bush Hog specifications.
Page 21 Make certain that the “Slow Moving Vehicle” (SMV) sign is installed in such a way as to be clearly visible and legible. When transporting the Equipment use the Tractor flashing warning lights and follow all local traffic regulations. RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY (SBM-9)
Page 22: Concluding Safety Instructions And Practices
Safety Messages and operation instruction in each of the appropriate sections of the Tractor and Equipment Manuals. Pay close attention to the Safety Signs affixed to the Tractor and Equipment. RMB 1660 11/10 © 2010 Alamo Group Inc.
Page 23: Decal Location
SAFETY Decal Location NOTE: Bush Hog supplies safety decals on this product to promote safe operation. Damage to the decals may occur while in shipping, use, or reconditioning. Bush Hog cares about the safety of its customers, operators, and bystanders, and will replace the safety decals on this product in the field, free of charge (some shipping and handling charges may apply).
Page 24 WARNING Pinch Points/Scissors DANGER Multiple Hazard/Crushing WARNING Oil Leaks DANGER Crushing Hazard LOGO Bush Hog Logo (14.85”) NAME RMB 1660 Model Name LOGO Bush Hog Logo (22”) BOOKLET Safety Booklet _________ Canister (Operator’s Manual Inside) _________ Bolt _________ Flatwasher _________...
Page 25 ITEM PART NO. 50061049 24028 02965141 1290738 09.821.35 1458392 1458393 41.094.14 09.810.01 RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY LEVEL DESCRIPTION LOGO Bush Hog Logo (22”) WARNING Rubber Deflectors WARNING Thrown Objects INSTRUCT Euro Multi-Instruction Flail Head MULTI-DECAL...
Page 26: Decal Description
Decal Description Multi Hazard Decal Sheet P/N D433 Decal D433 consists of the following multi-hazards. RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY Safety Section 1-20...
Page 27 SAFETY Driveline Hazards P/N D388 Decal D388 consists of the following multi-hazards. RMB 1660 11/10 Safety Section 1-21 © 2010 Alamo Group Inc.
Page 28 WARNING! Failure to INSPECT and REPAIR or REPLACE Hoses may allow worn Hoses to rupture SUDDENLY and VIOLENTLY with resulting serious BODILY INJURY from SCALDING or FIRE with resulting BURN INJURY or DEATH. P/N 02965262 RMB 1660 11/10 Safety Section 1-22 © 2010 Alamo Group Inc.
Page 29 DANGER! Crushing Hazard Serious injury can result from contact with moving boom. Stay clear of boom swing are. P/N D354 Logo Product Name: Bush Hog (14.85”) P/N 50065309 MODEL NAME - RMB 1660 P/N 50068740 Logo Product Name: Bush Hog (22”)
Page 30 DO NOT transport or operate without the SMV. P/N 83380 TO AVOID SERIOUS INJURY OR DEATH only operate when inside a fully enclosed Tractor CAB. P/N D568 RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY If the manual is Safety Section 1-24...
Page 31 Thrown objects can cause serious bodily injury. Stop mowing when traffic, crew members, or passerby are within 100 yards of the mowing with head off ground. P/N 02965141 Euro Flail Multi Decal P/N 1290738 RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY Safety Section 1-25...
Page 32 SAFETY Euro Multi Decal P/N 09.821.35 Red Reflector. Keep reflectors clean and visible. P/N 1458392 Amber Reflector. Keep reflectors clean and visible. P/N 1458393 Grease 8 Hours P/N 09.810.01 RMB 1660 11/10 Safety Section 1-26 © 2010 Alamo Group Inc.
Page 33: Federal Laws And Regulations
Some regulations specify that no one under the age of 16 may operate power machinery. It is your responsibility to know what these regulations are in your own area or situation. (Refer to U.S. Dept. of Labor, Employment Standard Administration, Wage & Home Division, Child Labor Bulletin #102.) RMB 1660 11/10 © 2010 Alamo Group Inc. SAFETY...
Page 36 Identifies special instructions or procedures that, if not strictly observed, could result in damage to, or destruction of the machine, attachments or the environment. NOTE: Identifies points of particular interest for more efficient and convenient operation or repair. RMB 1660 11/10 © 2010 Alamo Group Inc. INTRODUCTION...
Page 37 The Bush Hog Boom Mower is primarily designed for grass cutting and trimming hedges. This mower is assembled for operation with 540 RPM tractor input only. With proper use and maintenance the mower should provide years of dependable service. For Non-Agricultural use, OSHA, ASABE, SAE and ANSI standards require the use of Chain Guards, Deflectors, or Solid Skirts at all times.
Page 38 3. Record the Mower Model and Serial Numbers on the Warranty page at the end of the Operator’s Manual. Keep this as part of the permanent maintenance file for the Mower. RMB 1660 11/10 Introduction Section 2-4 © 2010 Alamo Group Inc.
Page 40: Tractor Selection
Check chains or stabilizers must be fitted and tightened. TRACTOR OPERATOR STATION: Bush Hog recommends installing the 1660 Boom Mower on fully enclosed cab tractors equipped with impact resistant glass windows. Do Not Operate if Tractor Cab is damaged. RMB 1660 11/10 Assembly Section 3-2 ©...
Page 41: Tractor Preparation
10%. All factors must be addressed in order to match the type and nature of the equipment added to the circumstances under which it will be used. The center of gravity on a RMB 1660 will constantly change as the boom or cutting attachment moves.
Page 42: Dealer Setup Instructions
3” below the tractors P.T.O. shaft. NOTE: Leg pin position used. 7. Unbolt stabilizer from machine and remove the stabilizer nose quadrant pin. RMB 1660 11/10 © 2010 Alamo Group Inc. ASSEMBLY Assembly Section 3-4...
Page 43: Attachment To Tractor
• Stretch out the stabilizer and rest the bottom legs on the lower rail. • Do not fit stabilizer lower pins at this stage. RMB 1660 11/10 © 2010 Alamo Group Inc. ASSEMBLY Assembly Section 3-5...
Page 44 Set tractor hydraulics to position control. Never allow anyone below the frame unless it is securely blocked up. RMB 1660 11/10 © 2010 Alamo Group Inc. ASSEMBLY...
Page 45 NOTE: Never fit the quadrant pin in a location hole that locks the stabilizer as this can cause damage to the machine and/or tractor. • Adjust the top link to bring the machine frame into the vertical position. RMB 1660 11/10 © 2010 Alamo Group Inc. ASSEMBLY Assembly Section 3-7...
Page 46 Repeat again in the third hole if necessary. On subsequent fitting to the same tractor the hole selected is always used. • Adjust the top link to bring the frame of the machine into the vertical position. RMB 1660 11/10 © 2010 Alamo Group Inc. ASSEMBLY Assembly Section 3-8...
Page 47 • Fit positioning stops - these remain in position until tractor is changed • Lower tractor linkage control so that the machine weight is taken by the yoke. RMB 1660 11/10 © 2010 Alamo Group Inc. ASSEMBLY Assembly Section 3-9...
Page 48 Fit machine controls into the cab. • Measure P.T.O. and cut to dimension shown. Note: For subsequent use on different tractors measure again - there must be a minimum shaft overlap of 6”. RMB 1660 11/10 © 2010 Alamo Group Inc. ASSEMBLY Assembly Section 3-10...
Page 49 Tractor operator’s seat with the seat belt securely fastened. Inadvertent contact with the boom controls could allow a component to fall. A sudden or inadvertent fall by any of these components could cause serious injury or even death. RMB 1660 11/10 © 2010 Alamo Group Inc. ASSEMBLY...
Page 50: Flail Head Attachment
Fold the machine into the transport position. The machine is now ready to proceed to the work site. RMB 1660 11/10 Assembly Section 3-12 © 2010 Alamo Group Inc.
Page 51: Oil Requirements
8"' for the cables. The control lever for the cable operated rotor control valve is mounted in a similar fashion adopting the same precautions pertaining to drilling and cable runs. RMB 1660 11/10 © 2010 Alamo Group Inc. ASSEMBLY Cold or Temperature Climate...
Page 52: Running Up Procedure
Disconnect the stabilizer from the tractors top hitch position. Allow the stabilizer to slide along the rail until it contacts the eccentric stops. • Remove draft link pins and drive tractor away from machine. RMB 1660 11/10 © 2010 Alamo Group Inc. ASSEMBLY Assembly Section 3-14...
Page 53: Storage
Proceed to the work site. SUBSEQUENT ATTACHMENT TO DIFFERENT TRACTOR • Remove stabilizer and top link from machine and separate. • Refer to and follow steps ‘initial attachment to tractor’.) RMB 1660 11/10 © 2010 Alamo Group Inc. ASSEMBLY Assembly Section 3-15...
Page 56 OPERATING INSTRUCTIONS Bush Hog Boom Mowers are manufactured with quality material by skilled workers. These mowers are designed for cutting grass and small weeds. The mower is equipped with protective deflectors to prevent objects being thrown from the mower by the blades, however, no shielding is 100% effective. All shields, guards, and deflectors equipped on the mower must be maintained in good operational condition.
Page 57: Standard Equipment And Specifications
Safety Breakaway - Hydraulic Road Light Kit Power Slew Cable Rotor Control Window Guards Power Arm Attachments: Flail Mower Sicklebar Mower RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION 60 HP PTO 6614lbs (3000kg) 16’-5” (5.0m) 2434lbs (1104kg) 54hp...
Page 58: Operator Requirements
Serious injury or death to the operator or others could result if the operator is under the influence of drugs or alcohol. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION...
Page 59: Tractor Requirements
Never operate the Tractor and Mower Unit without an OPS (Operators Protective Structure) or Cab to prevent injury from objects thrown from ground or from overhead trimming. Stop mowing if workers or passersby are within 300 feet. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION (SBM-9)
Page 60: Tractor Lighting And Smv Emblem
On a tractor with a 96” outside to outside tire spread, an 11 percent (6.4 degrees) slope occurs when one rear tractor tire is about 8” lower than the other rear tire. OPS-B- 0018_C RMB 1660 11/10 Operation Section 4-6 © 2010 Alamo Group Inc.
Page 61: Tractor Safety Devices
The 1660 is available with a Totally Independent Hydraulic System complete with Rotor Rotation Control. The rotor can be started, stopped, or reversed by operating a lever on the Control Console. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION...
Page 62: Front End Weight
Do not mount or dismount the Tractor while the tractor is moving. Mount the Tractor only when the Tractor and all moving parts are completely stopped. (SG-12) RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION Operation Section 4-8 (S3PT-16)
Page 63: Boarding The Tractor
Place the tractor shift lever into a low range or parking gear to prevent the tractor from rolling. Never dismount a Tractor that is moving or while the engine is running. Operate the Tractor controls from the tractor seat only. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION (SG-10)
Page 64: Starting The Tractor
Start tractor only when properly seated in the Tractor seat. Starting a tractor in gear can result in injury or death. Read the Tractor operators manual for proper starting instructions. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION OPS-B- 0003...
Page 65: Pre-Operation Inspection And Service
Power brake fluid level • Power steering fluid level • Fuel condition and level • Sufficient lubrication at all lube points • Air filter condition OPS-U-0030 RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION (SG-21) The following Operation Section 4-11...
Page 66: Boom Unit Pre-Operation Inspection And Service
Maintain these important safety features on the mower in good condition to ensure the information is available to the operator at all times. KEEP AWAY FROM ROTATING ELEMENTS to prevent entanglement and possible serious injury or death. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION (SG-24)
Page 67 • Inspect the condition of the valve weldment. • Ensure fitting is properly connected • Inspect condition of nylon bushings. OPS-B- 0023_J RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION (SG-20) along hoses, Operation Section 4-13...
Page 68 To relieve pressure remove the breather cap element and depress the spring loaded pressure valve to release any excess air. OPS-B- 0024_H RMB 1660 11/10 © 2010 Alamo Group Inc.
Page 69 • Remove any grass or other debris which may be wrapped around the cuttershafts ends. • Inspect the condition of deck skid shoes and hardware. OPS-B- 0026_C RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION (SG-34) (SG-15)
Page 70 Do not put hands or feet near the cutter bar. Blade contact can result in serious injury. Stay away until all motion has stopped and the mower is securely blocked up. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION...
Page 71 The Hyd. motor mounting bolts are tight The mower head spindle housing is tight and lubricated Operator’s Signature:_____________________________________________________ DO NOT OPERATE an UNSAFE TRACTOR or MOWER RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION Condition at Start of Shift...
Page 72 The engine coolant fluid level is full The radiator is free of debris The air filter is in good condition Operator’s Signature:___________________________________________________ DO NOT OPERATE an UNSAFE TRACTOR or IMPLEMENT RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION Condition at Start of Shift...
Page 73: Machine Controls
OPERATION 7. MACHINE CONTROLS 7.1 Cable Controls - Identification & Function RMB 1660 11/10 Operation Section 4-19 © 2010 Alamo Group Inc.
Page 76: Breakaway
Extra care must be taken when working in 'SLEW’ mode with the reach fully in – IT IS POSSIBLE FOR THE FLAILHEAD TO HIT THE TRACTOR OR MACHINE FRAME. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION...
Page 77: Rotor Operating Speed
13 ft. high when folded - take care when maneuvering in areas with overhead obstacles especially power cables, low bridges etc. or when entering buildings. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION Operation Section 4-23...
Page 79: Working On Adverse Slopes
Fitting Location The hydraulic float kit should be mounted to the special bracket in such a position that it does not foul any other component during the slewing motion. RMB 1660 11/10 Operation Section 4-25 © 2010 Alamo Group Inc.
Page 80: Driving The Tractor And Implement
Never dismount a Tractor that is moving or while the engine is running. Operate the Tractor controls from the tractor seat only. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION Never allow inexperienced or untrained personnel to...
Page 81: Starting The Tractor
When operating in traffic, always use the Tractor’s flashing warning lights and reduce your speed. Be aware of traffic around you and watch out for the other guy. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION...
Page 82: Driving The Tractor And Boom
Special attention should be paid to foreign debris, rough terrain, steep slopes, and passersby and animals in the area. OPS-U- 0015 RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION...
Page 83: Foreign Debris Hazards
If a bystander comes within 300 feet of the tractor while the mower is being operated, stop the tractor at once, idle the engine and disengage the PTO. Do not engage the PTO again until all bystanders are well past the 300 foot distance. OPS-R-0024 RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION...
Page 84: Engaging The Power Take Off (Pto)
Do not put hands or feet under mower decks. Blade Contact can result in serious injury or even death. Stay away until all motion has stopped and the decks are securely blocked up. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION...
Page 85: Operating Speed And Ground Speed
When mowing in reverse, operate the tractor and mower at a reduced ground speed to ensure tractor and mower control is maintained. OPS-R-0026_N RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION...
Page 86 -Never allow clippings or debris to collect near drivelines, slip clutches, and gearboxes. Periodically shut down the Tractor and Mower and clean clippings and collected debris from the mower deck. (SGM-12) RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION (SGM-1)
Page 87: Operating The Attached Mower Heads
• When operating the unit be sure there are no bystanders or animals within 300 feet of the unit OPS-B- 0049 RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION Operation Section 4-33...
Page 88: Shutting Down The Attached Head
Implement and Tractor hitches. Never allow children or other persons to ride on the Tractor or Implement. Falling off can result in serious injury or death. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION (SG-9)
Page 89: Tractor, Boom, And Attached Head Storage
OPS-U- 0017 Never allow children or other persons to ride on the Tractor or Implement. Falling off can result in serious injury or death. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION make...
Page 90: Transport Position
Operate “ANGLE” and position the flail head in compact position Transport Position) • Fully screw in the lift and slew cylinder shut-off valve. • Fully close the lift and slew cylinder hydraulic shut-offs. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION possible. (See Operation Section 4-36...
Page 91: Transport Position-Head Attached
During transport the 'SLEW’ mode must ALWAYS be selected on the control assembly. RMB 1660 11/10 Operation Section 4-37 © 2010 Alamo Group Inc.
Page 92: Transport Height
Make sure that a proper size safety tow chain is secured between the tractor and implement before entering a public road. OPS-U- 0019 NOTE: Ensure that the mower sections are fully raised and that the transport locks are engaged for each section. RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION Locking the...
Page 93 Consult an authorized tractor dealer for lighting kits and modifications available to upgrade the lighting on older tractor models. OPS-B-0015 RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION (SG-10) (SG-6) Operation Section 4-39...
Page 94 Contact with side or overhead structures or power lines can cause property damage or serious injury or death. If necessary lower boom to reduce height and/or remove mowing head to reduce width to the legal limits. (SBM-8) RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION roads, have...
Page 95: Hauling The Tractor And Implement
If during transport a hard braking, sharp turning, or swerving action was performed, stop at the next safe location to inspect the security of the load. OPS-U- 0026 RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION against...
Page 96: Troubleshooting Guide
Check to see if blades are free swinging. Check for even wear on each blade tip. Were both blades changed at the same time? RMB 1660 11/10 © 2010 Alamo Group Inc. OPERATION POSSIBLE REMEDY Check hydraulic fluid level. (See sight gauge on tank) Attempt to use another cylinder or pressure gauge.
Page 97 OPERATION POSSIBLE REMEDY Replace blades, in sets. Replace carrier. Remove hub, check tapered spline shaft, clean and replace. Replace blades or bolts in sets Replace Drivelines. Increase cutting height. Increase cutting height. Use genuine Bush Hog knives. Operation Section 4-43...
Page 100: Lubrication
Do not operate the machine with any damaged guards - replace suspect items immediately. PTO SHAFT LUBRICATION Lubricate all the points indicated in the diagram below at the intervals stated using a general purpose lithium based grease. RMB 1660 11/10 Maintenance Section 5-2 © 2010 Alamo Group Inc.
Page 101: Hydraulic System
Hoses that have been suffered damage to the metal braid should be changed at the earliest opportunity. RMB 1660 11/10 © 2010 Alamo Group Inc. MAINTENANCE...
Page 102: Hose Replacement
Soft Seal hose connections are capable of holding pressure when the nut is only ‘finger tight’. It is therefore recommended that when dismantling, the hose be manually flexed to relieve any residual pressure with the retaining nut slackened prior to complete disassembly. RMB 1660 11/10 Maintenance Section 5-4 © 2010 Alamo Group Inc.
Page 103: Flailhead
NOTE: Be careful in determining the correct cable connections on both the control unit and the valve in the event of cable replacement. RMB 1660 11/10 © 2010 Alamo Group Inc. MAINTENANCE Maintenance Section 5-5...
Page 104: Pto Gearbox
If the machine has to be stored outside, tie a piece of tarpaulin or canvas over the control assembly. Do not use a plastic fertilizer bag which could lead to rapid corrosion. RMB 1660 11/10 Maintenance Section 5-6 © 2010 Alamo Group Inc.
Page 105: Proper Torque Values For Fasteners
NOTE: These values apply to fasteners as received from supplier, dry or when lubricated with normal engine oil. They do not apply if special graphitized or molydisulphide greases or other extreme pressure lubricants are used. This applies to both UNF fine and UNC coarse threads. RMB 1660 11/10 Maintenance Section 5-7 © 2010 Alamo Group Inc.
Page 106: Limited Warranty
2. If the unit has been subjected to misapplication, abuse, misuse, negligence, fire or other accident. 3. If parts not made or supplied by Bush Hog have been used in connection with the unit, if, in the sole judgement of Bush Hog such use affects its performance, stability or reliability.
Page 107 To keep your implement running efficiently and safely, read your manual thoroughly and follow these directions and the Safety Messages in this Manual. The Table of Contents clearly identifies each section where you can easily find the information you need. The OCCUPATIONAL SAFETY AND HEALTH ACT requirements of tractor operators: REQUIRED OF THE OWNER:...
Page 108 RMB 1660 REAR MOUNT BOOM MOWER RMB 1660-11/10 P/N 50068816C Printed U.S.A...

Bush Hog RMB 1660 Operator's Manual

Safety Section

Introduction Section

Assembly Section

Operation Section

Maintenance Section

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