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Alamo Industrial AT 60 Operator's Manual

Three-point mounted flail mowers
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Published 05/03
OPERATOR'S MANUAL
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.
ALAMO INDUSTRIAL
1502 E. Walnut
Seguin, Texas 78155
210-372-3551
AT 60/74
THREE-POINT MOUNTED FLAIL MOWERS
© 2003
Alamo Group
Inc.
Part No. 00761305C

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  • Page 1 AT 60/74 THREE-POINT MOUNTED FLAIL MOWERS Published 05/03 Part No. 00761305C OPERATOR'S MANUAL 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.

  • Page 2: Before You Start

    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: Table Of Contents

    TABLE OF CONTENTS SAFETY SECTION ............................1-1 Safety Information ..........................1-2 Safety Decal Location ........................... 1-4 Federal Laws & Regulations ......................1-15 INTRODUCTION SECTION ........................... 2-1 ASSEMBLY SECTION ..........................3-1 A-Frame Assembly - 60" Mower ......................3-2 A-Frame Assembly - 74" Mower ......................3-3 OPERATION SECTION ..........................

  • Page 5: Safety Section

    SAFETY SECTION AT 6074/4-91 Safety Section 1-1 © 2003 Alamo Group Inc.
  • Page 6 SAFETY A safe and careful operator is the best operator. Safety is of primary importance to the manufac- turer and should be to the owner/operator. Most accidents can be avoided by being aware of your equipment, your surroundings, and observing certain precautions. The first section of this manual includes a list of Safety Messages that, if followed, will help protect the operator and bystanders from injury or death.
  • Page 7 SAFETY Si no lee Ingles, pida ayuda a alguien que PELIGRO! ¡LEA EL si lo lea para que le traduzca las medidas INSTRUCTIVO! de seguridad. (SG-3) Never operate the Tractor or Implement until you have read and DANGER! completely understand this Manual, the Tractor Operator’s Manual, and each of the Safety Messages found in the Manual or on the Tractor and Implement.
  • Page 8 SAFETY Never allow children to operate or ride on the Tractor or Implement. DANGER! (SG-11) WARNING! Do not mount the Tractor while the tractor is moving. Mount the Tractor only when the Tractor and all moving parts are completely stopped. (SG-12) DANGER! Start tractor only when properly seated in the Tractor seat.
  • Page 9 SAFETY PROLONGED EXPOSURE TO LOUD NOISE MAY CAUSE CAUTION! PERMANENT HEARING LOSS! Tractors with or without an Implement attached can often be noisy enough to cause permanent hearing loss. We recommend that you always wear hearing protection if the noise in the Operator’s position exceeds 80db.
  • Page 10 SAFETY WARNING! Periodically inspect all moving parts for wear and replace when necessary with authorized service parts. Look for loose fasteners, worn or broken parts, and leaky or loose fittings. Make sure all pins have cotter pins and washers. Serious injury may occur from not maintaining this machine in good working order.
  • Page 11 SAFETY DANGER! Operate the Tractor and/or Implement controls only while properly seated in the Tractor seat with the seat belt securely fastened around you. Inadvertent movement of the Tractor or Implement may cause serious injury or death. (SG-29) Mow only in conditions where you have clear visibility in daylight or with WARNING! adequate artificial lighting.
  • Page 12 SAFETY WARNING! Mow at the speed that you can safely operate and control the tractor and mower. Safe mowing speed depends on terrain condition and grass type, density, and height of cut. Normal ground speed range is from 0 to 5 mph. Use slow mowing speeds when operating on or near steep slopes, ditches, drop-offs, overhead obstructions, power lines, or when debris and foreign objects are to be avoided.
  • Page 13 SAFETY WARNING! Do not let the Blades turn when the Mower Deck is raised for any reason, including clearance or for turning. Raising the Mower deck exposes the Cutting Blades which creates a potentially serious hazard and could cause serious injury or even death from objects thrown from the Blades.
  • Page 14 SAFETY WARNING! Do not operate Mower if excessive vibration exists. Shut down PTO and the Tractor engine. Inspect the Mower to determine the source of the vibration. If Mower blades are missing or damaged replace them immediately. Do not operate the mower until the blades have been replaced and the Mower operates smoothly.
  • Page 15 These parts are made and tested to Alamo Industrial specifications. Non-genuine "will fit" parts do not consistently meet these specifications. The use of “will fit” parts may reduce mower performance, void mower warranties, and present a safety hazard.
  • Page 16 SAFETY 12 10 FRONT VIEW DRIVELINE ITEM PART NO. LEVEL DESCRIPTION 002369 DANGER Multi-Hazard 00756004 DANGER D/L Shield Missing 00756005 DANGER Rotating Driveline 00725739 WARNING Use/Repair Shields & Guards 02967668 DANGER Cutting Blades/Thrown Objects 00756494 DANGER D/L Multi Haz 00758194 WARNING Pinch Point (V-Belt/Pulley) 03200347...

  • Page 17: Safety Decals

    SAFETY DECALS 9 - 000108 2 - 00756004 5 - 00756485 3 - 00756005 6 - 00756494 AT 6074/4-91 Safety Section 1-13 R 8-23-91 © 2003 Alamo Group Inc.
  • Page 18 SAFETY 1 - 002369- Not Shown (See Inside Front Cover of Manual) 16 - nfs Serial Plate 11 - 001830 12A - 00773723 15 - 02960766 12 - 02925100 10 - 000678 7 - 00758194 AT 6074 11-01 Safety Section 1-14 ©...
  • Page 19 SAFETY 23 - 00725746 4 - 00725739 17 - 00776481 25 - D103 AT 6074 11-01 Safety Section 1-15 © 2003 Alamo Group Inc.

  • Page 20: Federal Laws & Regulations

    SAFETY FEDERAL LAWS AND REGULATIONS This section is intended to explain in broad terms the concept and effect of federal laws and regulations concerning employer and employee equipment operators. This section is not intended as a legal interpretation of the law and should not be considered as such.

  • Page 65: Introduction Section

    INTRODUCTION SECTION AT 6074/4-91 © 2003 Alamo Group Inc.

  • Page 66: Owner's Responsibilities

    INTRODUCTION A. OWNER'S RESPONSIBILITIES 1. Read the TRACTOR Owner's Manual as well as the ALAMO TURF FLAIL Manual before attempting to install or operate the ALAMO TURF FLAIL mower. 2. Know all the controls and how to stop quickly. Know how to operate the ALAMO TURF FLAIL before attempting to mow with it.
  • Page 67 INTRODUCTION B. WARNINGS 1. Remove all objects from, and stay clear of, the front of the cutter unit. Do not get near the rotating knives. 2. Disengage power to the mower before starting the engine. 3. Never allow anyone near the equipment while in operation, and watch out for traffic when crossing or working near a roadway.

  • Page 69: Assembly Section

    ASSEMBLY SECTION AT 6074/4-91 © 2003 Alamo Group Inc.
  • Page 70 © 2003 Alamo Group Inc.
  • Page 71 © 2003 Alamo Group Inc.
  • Page 72 © 2003 Alamo Group Inc.

  • Page 73: Operation Section

    OPERATION SECTION AT 6074/4-91 © 2003 Alamo Group Inc.
  • Page 74 OPERATION INSTALLATION OF MOWER TO TRACTOR Before attaching mower to tractor, it will be necessary that each tractor lower hitch arm has freedom of movement so that the mover is completely independent of tractor movement. This will allow the mower to pivot sideways as well as move vertically.
  • Page 75 OPERATION CHECK PTO LENGTH WARNING: A loose driveline could slip off and result in personal injury or damage to mower. When attaching PTO yoke to tractor PTO shaft, it is important that spring activated locking collar is seated in groove on PTO shaft. WARINING: Before operating mower, check to make sure the driveline will not bottom out or become disengaged.
  • Page 76 OPERATION ADJUSTING THE HEIGHT OF THE CUT (FIGURE 4) Adjustment is made by raising or lowering the Roller Assembly. Loosen the Carriage Bolts (item 1) and the Capscrews (item 2) on the Roller Assembly. Adjust Nuts (item 3) on the Roller Adjustment Rod Weldment (item 4) until you have reached the desired position.

  • Page 77: Troubleshooting

    OPERATION TROUBLE SHOOTING SYMPTOM POSSIBLE PROBLEM CORRECTION DISCHARGING BUNCHES Belt installed improperly. Check belt for correct set up. OR CLOGGING Blades dull. Check blades for sharpness. Grass too wet. Wait for grass to dry. Grass too long. Mow at 3-1/2" and recut lower. Travel speed too fast.
  • Page 78 OPERATION TRANSPORTING Pay particularly close attention to the Safety Messages regarding Mower trnsport. Avoid unnecessary injuries and equipment damage by exercising cautious, conscientious travel procedures. Attaching the Mower to Tractor increases the overall length of the working unit. Allow additional clearance for the Mower to swing when turning.
  • Page 79 OPERATION CHANGING ROTATION OF CUTTERSHAFT ALAMO TURF Flail Mowers have the ability to operate with the cuttershaft in either forward of reverse rotation. These two methods are shown in figure 1. L. H. Drive R. H. Drive Forward Rotation Reverse Rotation Figure 1 AT Mowers are shipped from the factory assembled in reverse or forward rotation.

  • Page 81: Maintenance Section

    MAINTENANCE SECTION AT 6074/4-91 © 2003 Alamo Group Inc.

  • Page 82: Lubrication

    MAINTENANCE LUBRICATION 1. Lubricate at the specified intervals as outlined in the lubrication diagram below. All mower grease fittings are equipped with lubricaps which snap over the grease fittings to prevent dirt from entering the fittings. Remove the cap and wipe the fitting before greasing. Wipe the outlet of the grease gun then grease the bearing. When finished, place the cap over the fitting and wipe any excess grease from around the cap.

  • Page 83: Knives

    MAINTENANCE KNIVES (FIGURE 2) Replacing Remove Flail Mower from tractor. Turn Housing over with a hoist. Raise and support securely at a convenient height. With one hand, hold two knives back to back so the tips are apart and the holes are in line. Insert the two knives between a pair of ears on the shaft, and with the other hand, insert a headed pin.

  • Page 84: Belts

    MAINTENANCE BELTS Replacement (Figure 3) 1. Place Flail Mower on ground or support securely. 2. Remove Belt Guard. 3. Loosen Idler Arm Turnbuckle until the tension is removed. Remove Bolt (#1) on Turnbuckle. 4. Remove old Belt and install new one. 5.

  • Page 85: Cuttershaft

    MAINTENANCE CUTTERSHAFT (FIGURE 4) Disassembly Note: Retain fasteners, they will be reused. 1. Detach mower from tractor. 2. Remove Belt Guard and Idler Turnbuckle. 3. Tip Mower up to facilitate removal of cuttershaft and housing assemblies. CAUTION Safely support Mower once it is tipped up. 4.

  • Page 86: Gearbox Disassembly

    MAINTENANCE GEARBOX SERVICE INSTRUCTIONS GEARBOX DISASSEMBLY 1. Remove the 4 capscrews (#1) from the input shaft bearing cap (#2). Tap around circumference of the input shaft bearing cap (#2) to loosen and remove. Note: Wrap plastic tape around irregular shaft surfaces such as splines to protect seal during disassembly and assembly.
  • Page 87 MAINTENANCE Maintenance Section 5-7 AT 6074/4-91 © 2003 Alamo Group Inc.

  • Page 88: Excessive Vibration

    MAINTENANCE General Information on Flail Mower Vibration FLAIL MOWERS INFORMATION BULLETIN NO. 5 EXCESSIVE VIBRATION Vibration is a MONSTER and if allowed to continue unchecked, can cause the complete break-up of a machine in a very short time. A properly operated Flail Mower will produce very little vibration. If vibration does occur, the mower should be stopped and the trouble corrected, as warranty does not cover failures resulting from continued operation after something happens to cause the mower to vibrate excessively.
  • Page 89 MAINTENANCE The cutter shaft will run out of balance if: 1. Wire, rope, string, rags, etc., around the cutter shaft, are holding the knives in a folded back position. Remove such foreign objects and be sure all knives are free to swing to the extended position.
  • Page 90 WARRANTY 1. LIMITED WARRANTIES 1.01.Alamo Industrial warrants for one year from the purchase date to the original non-commercial, governmental, or municipal purchaser (“Purchaser”) and warrants for six months to the original commercial or industrial purchaser (“Purchaser”) that the goods purchased are free from defects in material or workmanship.
  • Page 91 TO THE OWNER/OPERATOR/DEALER 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 (1928.51 Subpart C) makes these minimum safety requirements of tractor operators: REQUIRED OF THE OWNER:...
  • Page 92 AT60/74- SOM 05/03 P/N 00761305C Printed U.S.A.

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