Resumen del contenido incluido en la página 1
®
BUSH HOG
2426, 2446, 2846 & 3226QT
Front End Loaders
O Op pe er ra at to or r’ ’s s M Ma an nu ua al l
ASSEMBLY l l OPERATION l l MAINTENANCE
707 $4.00 25H49393
Resumen del contenido incluido en la página 2
CONGRATULATIONS! You have invested in the best implement of its type on the market today. The care you give your Bush Hog implement will greatly determine your satisfaction with its performance and its service life. We urge a careful study of this manual to provide you with a thorough understanding of your new implement before operating, as well as suggestions for operation and maintenance. If your manual should become lost or destroyed, Bush Hog will be glad to provide you with a new copy. Orde
Resumen del contenido incluido en la página 3
2426, 2446, 2846 & 3226 QT TABLE OF CONTENTS SECTION/PARA PAGE SECTION/PARA PAGE Warranty .....................................................3 IV MAINTENANCE ......................................20 Dealer Preparation Check List....................4 4-1 Maintenance Check List.....................20 Safety Precautions......................................5 4-2 Lubrication..........................................20 4-3 Hydraulic System Federal Laws & Regulations.......................7 Pressure
Resumen del contenido incluido en la página 4
LIMITED WARRANTY OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO Bush Hog warrants to the original purchaser of any new Bush Hog equipment, purchased from an authorized Bush Hog dealer, that the equipment be free from defects in material and workmanship for a period of one (1) year for non-commercial, state, and municipalities’ use and ninety (90) days for commercial use from date of retail sale. The obligation of Bush Hog to the purchaser under this warranty is limited to the repair or replacement of defective
Resumen del contenido incluido en la página 5
DEALER PREPARATION CHECK LIST 2426, 2446, 2846 & 3226 QT LOADERS BEFORE DELIVERING MACHINE - The following check list should be completed. Use the Operator’s Manual as a guide. o Machine properly assembled. o All safety decals readable. (See decal page) o All bolts tightened to torque specifications given in torque chart. o Machine operates properly. o Customer has appropriate mounting kit for his tractor and loader. o Customer has appropriate attachments for loader operations. ( Buckets
Resumen del contenido incluido en la página 6
IMPORTANT SAFETY PRECAUTIONS This symbol is used to call attention to safe- ty precautions that should be followed by the operator to avoid accidents. When you see this symbol, carefully read the message that follows and heed its advice. Failure to comply with safety precautions could result in serious bodily injury. In addition to the design and configuration of equipment, hazard control and accident prevention are dependent upon the awareness, concern, prudence and proper training of per
Resumen del contenido incluido en la página 7
SAFETY PRECAUTIONS CONTINUED 10. Before disconnecting hydraulic lines, relieve all hydraulic pressure. 11. Do not tamper with the relief valve setting. The relief valve is pre-set at the factory. Changing the setting can cause overloading the loader and tractor and serious operator injury may result. 12. Always wear safety goggles when repairing or servicing machine. 13. When servicing or replacing pins in cylinder ends, buckets, etc., always use a brass drift and hammer. Failure to do so cou
Resumen del contenido incluido en la página 8
IMPORTANT FEDERAL LAWS AND REGULATIONS* CONCERNING EMPLOYERS, EMPLOYEES AND OPERATIONS. *(This section is intended to explain in broad terms the concept and effect of the following federal laws and regulations. It is not intended as a legal interpretation of the laws and should not be considered as such). U.S. Public Law 91-596 (The Williams-Steiger Occupational and Health Act of 1970) OSHA This Act Seeks: “...to assure so far as possible every working man and woman in the nation safe and health
Resumen del contenido incluido en la página 9
SECTION I INTRODUCTION AND DESCRIPTION Figure 1-1 Major Components Hydraulic Hoses Mainframe Boom Level Indicator Bucket Cylinder Cross Tube Subframe Boom Cylinder Parking Stands Bucket 1-1 INTRODUCTION 1-2 DESCRIPTION We are pleased to have you as a Bush Hog cus- The Models 2426 and 3226 Front End Loaders are tomer. Your Front End Loader has been carefully designed for two wheel drive tractors. The Models d
Resumen del contenido incluido en la página 10
Table 1-1 TECHNICAL SPECIFICATIONS VV U V D E XX A B C J W X G ZZ F Y Z H SERIES LOADER 2426QT 2446QT 2846QT 3226QT A. Maximum Lift Height - Measured at Pivot Pin 117 in. 117 in. 137 in. 143 in. B. Maximum Lift Height - Under Level Bucket 108 in. 108 in. 128 in. 134 in. C. Clearance with Attachment Dumped 45° 89 in. 89 in. 109 in. 115 in. D. Reach at Maximum Height 26 in. 31 in. 28 in. 28 in. E. Maximum Dump Angle 50° 50° 50° 50° F. Reach with Bucket on Ground 62 in. 65 in. 76
Resumen del contenido incluido en la página 11
SECTION II LOADER MOUNTING AND DISMOUNTING 2-1 PREPARING TRACTOR Figure 2-1 CAUTION TRACTORS THAT HAVE MOVABLE AXLES MUST BE SET FORWARD IN THE LONG WHEEL- BASE POSITION AS SHOWN IN FIGURE 2-1 TO PREVENT EXCESSIVE LEVERAGE BEING EXERTED ON THE TRACTOR FRAME. FAILURE TO DO SO CAN RESULT IN PERSONAL INJURY AND EQUIPMENT DAMAGE. REFER TO TRAC- TOR OPERATOR’S MANUAL FOR ABOVE PRO- CEDURES AND SPECIFICATIONS FOR YOUR TRACTOR. Short Wheelbase A. Check air pressure in tractor tires to be sure it Long W
Resumen del contenido incluido en la página 12
Figure 2-4 Cuff Arrangement WARNING LOADER MODELS: USE CAUTION WHEN MOUNTING LOADERS EQUIPPED WITH OPTIONAL 2426 QT, 3226 QT CONTROL VALVE ON TRACTORS EQUIPPED WITH CANOPY. RAISING Tighten Nut To 100 ft./lbs. LOADER SUBFRAME TOO HIGH CAN PINCH HAND BETWEEN CONTROL HANDLE AND CANOPY CAUSING INJURY. Cuff With Welded-On Bolt D. With tractor at idle speed, carefully activate FIXED boom cylinders to raise/lower cross tube until it PIVOT PIN aligns with front bracket channel. E. Drive tractor forward
Resumen del contenido incluido en la página 13
Cylinder Mounting Bushing Figure 2-6 J. Secure hydraulic hoses to tractor to prevent 2-3 DISMOUNTING LOADER interference. It is recommended that hoses be rout- ed under tractor operator’s platform. Dismount loader on firm, level ground to facilitate K. Extend and retract both sets of cylinders the next mounting. It is recommended that loader be stored in a dry place to prevent rusting. beginning with short strokes. Gradually increase the length of stroke until cylinders “bottom out” in each A. O
Resumen del contenido incluido en la página 14
C. Lower boom until parking stands contact G. With tractor at idle speed, roll bucket back ground. until subframe raises up off rear bracket. D. Extend bucket cylinders until cutting edge of H. With tractor at idle speed, carefully activate bucket is frimly on the ground. boom cylinder until cross tube is free of pressure E. Remove pin from mounting bracket. within front bracket channel. It may be necessary to roll bucket back further to maintain sufficient clear- Pin Figure 2-8 Mounting Bra
Resumen del contenido incluido en la página 15
FILLING THE BUCKET ...a level bucket throughout the lifting cycle resists bucket lift and increases breakaway effort. Approach and enter the pile with a level bucket. NOTE; Do not be concerned if the bucket is not com- pletely filled during each pass. Maximum productivity is determined by the amount of material loaded in a given period of time. Time is lost if two or more Loaders with 1-lever control, ease lever back and attempts are made to fill the bucket on each pass. toward you to lift and r
Resumen del contenido incluido en la página 16
CARRYING THE LOAD DUMPING THE BUCKET Position the bucket as low as possible below the Lift the bucket high enough to clear the side of the level of the tractor hood for maximum stability and vehicle. Move the tractor in as close to the side of visibility, whether the bucket is loaded or empty. the vehicle as possible, then dump the bucket. Use extreme caution when operating the loader on a slope and keep the bucket as low as possible. This LOWERING THE BUCKET keeps the bucket and tractor center
Resumen del contenido incluido en la página 17
OPERATING WITH FLOAT CONTROL During hard surface operation, keep the bucket level and put the lift control in the float position to permit the bucket to float on the working surface. If hydraulic down pressure is exerted on the bucket, it will wear faster than normal. FLOAT Sidecutting is a good technique for cutting down a big pile. The float will also prevent the mixing of surface material with stockpile material. The float position will reduce the chance of surface gouging when removing snow
Resumen del contenido incluido en la página 18
PEELING AND SCRAPING BACKFILLING 6” Backgrade occasionally with a loaded bucket to Use a slight bucket angle, travel forward, and hold the keep the working surface free of ruts and holes. lift control forward to start the cut. Make a short, angle Hold the lift control forward in float position so the cut approximately 6” deep and break-out cleanly. full weight of the bucket is scraping the ground. Use only the heel of the bucket while backgrading. IMPORTANT: To prevent damage to cylinders: (1)
Resumen del contenido incluido en la página 19
HANDLING LARGE HEAVY OBJECTS WARNING Do not use front end loaders for handling large heavy objects such as logs or oil drums. Handle large round hay bales only when loader is equipped with Bush Hog Bale Spear Attachment. Handling large heavy objects can be Leave dirt in the bucket because dumping on each extremely dangerous due to: pass wastes time. H H Possibility of rolling the tractor over. H H Possibility of upending the tractor. H H Possibility of the object rolling or sliding
Resumen del contenido incluido en la página 20
3-4 FORK LIFT OPERATION 3-5 QUICK HITCH OPERATION WARNING The quick hitch (Figure 3-4) is designed to allow easy mounting and dismounting of attachments from TO AVOID SERIOUS INJURY OR DEATH: loader. With attachment on flat, level surface, mount H H NEVER LIFT LARGE ROUND HAY as follows: BALES OR OTHER LOADS ON THE FORK LIFT ATTACHMENT THAT Tilt quick hitch slightly forward at top and slowly COULD ROLL BACK ONTO TRAC- drive into attachment. TOR OPERATOR AREA. H H NEVER USE FORK LIFT ATT
