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®
BUSH HOG
Model 3860 QT
Front End Loader
Operator’s Manual
OPERATION l l MAINTENANCE
208 $4.00 25H51137
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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
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3860 QT TABLE OF CONTENTS SECTION PAGE SECTION PAGE General Safety..........................................................16 Warranty.....................................................................2 Bucket Level Indicator ..............................................16 Dealer Preparation Check List....................................3 Operation..................................................................16 Safety Precautions .....................................................4 Han
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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
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DEALER PREPARATION CHECK LIST 3860 QT LOADER BEFORE DELIVERING MACHINE - The following check list should be completed. Use the Operator’s Manual as a guide. ❏ Machine properly assembled. ❏ All safety decals readable. (See decal page) ❏ All bolts tightened to torque specifications given in torque chart. ❏ Machine operates properly. ❏ Customer has appropriate mounting kit for his tractor and loader. ❏ Customer has appropriate attachments for loader operations. ( Buckets for lifting loose ma
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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
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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
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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
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1. INTRODUCTION AND DESCRIPTION Figure 1 Major Components Gauge Rod Subframe Bucket Cylinder Boom Cylinder Bucket Cross Tube Parking Stand INTRODUCTION DESCRIPTION We are pleased to have you as a Bush Hog cus- The model 3860 Front End Loader (Figure 1) is tomer. Your Front End Loader has been carefully designed for two and four wheel drive tractors. It designed to give maximum service with minimum comes equipped with parking stands to support down time. This manual is provided to give you the l
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Model 3860 QT Technical Specifications D D E E A B C J C J G G F F H H A. Maximum Lift Height - Measured at Pivot Pin . . . .176" VV. Rollback Force at Maximum Height - B. Maximum Lift Height - Under Level Bucket . . . . . 170" 31.5” Forward of Pivot Pin . . . . . . . . . . . . . . . 7706lbs. C. Clearance with Attachment Dumped 45º . . . . . . . 148" XX. Rollback Force at 59” Height - D. Reach at Maximum Height . . . . . . . . . . . . . . . . . . . . 33” 31.5” Forward of Pivot Pin . . . . . . .
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2. INSTALLATION INSTRUCTIONS CAUTION CAUTION LIFT AND SUPPORT ALL LOADER COM- EQUIP YOUR TRACTOR WITH A ROPS PONENTS SAFELY. CAB OR FRAME FOR YOUR PROTECTION. SEE YOUR TRACTOR/ROPS OPERATOR HOSE KIT HOOKUP: Install hoses to loader hydraulic MANUAL FOR CORRECT SEAT BELT steel tubing. Install male quick couplers (customer fur- USAGE. nished) to 1/2” male pipe ends of hoses. Refer to Read entire instructions before beginning to install Figure 1. the loader. Personal injury and machine damage may be
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Quick Draw Latch Attach: Before installing loader NOTE: Some Models of the 3860 Loader have to tractor, install quick draw latch attach to loader. been designed to custom fit specific makes and Using a hoist, install bucket or attachment to your models of tractors. These will not require this quick draw latch attach. Refer to Figure 5 and pages field change. 27 & 28 for quick draw latch attach instructions. Figure 2 FORWARD SIDE Following these instructions will add stability to loader package a
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Using a hoist to support the loader frame, align the 8 7 9 subframe crosstube with the front bracket. Refer to Figure 7 and Figures 2, 3, & 4, page 10. CAUTION LIFT AND SUPPORT ALL LOADER COMPO- NENTS SAFELY. 3 1 Figure 9 (1) Hinge nut. (2) Hinge assembly. (3) Snap pin in loader mounted position. (4) Hardened flatwasher. (5) Rear hinge pin. (6) Subframe bushing. (7) Subframe pedestal. (8) Center mounting bracket tubes. (9) Rear hinge pin outer hole. TORQUE IDENTIFICATION 2 Torque all mounting ki
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3. PRE-OPERATION INSTRUCTIONS IMPORTANT: Do not extend bucket cylinders EXTERNAL LOADER AND/OR without quick draw latch attach installed on TRACTOR VALVE loader. Failure to follow these instructions could CAUTION cause attachment cylinder damage and will void loader warranty. WHEN PROPERLY INSTALLED, THE TRAC- TOR REMOTE VALVE OR EXTERNAL TRANSMISSION FLUID VALVE CONTROL LEVER/LEVERS WILL CONTROL THE LOADER HYDRAULIC CIR- Check the tractor hydraulic fluid level and fill, if CUITS AS SHOWN IN FI
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LOADER MOUNTED CONTROL VALVE CAUTION EQUIPPED WITH 2 OR 3 CONTROL HANDLES BEFORE LEAVING THE TRACTOR SEAT, OR TRACTOR REMOTE VALVE EQUIPPED WITH LOWER ATTACHMENT OR LOADER BOOM 2 OR 3 CONTROL HANDLES TO GROUND, STOP ENGINE, LOCK BRAKES, RELIEVE HYDRAULIC PRESSURE, If your loader utilizes a loader mounted control valve AND REMOVE KEY. equipped with 2 or 3 control handles or tractor remote valve equipped with 2 or 3 control handles, it IMPORTANT: Always keep the cylinders in a will function as des
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REMOTE HOSES SUPPORT THIRD CYLINDER TUBE KIT (OPTIONAL) After installing loader onto tractor, raise the loader to full height, stop engine, lock brakes, and remove Install two steel tubes to inside of right hand loader key. Then gather remote hoses and install nylon tie boom. Then connect the two hoses and fittings to through hose support hole located in right hand the front of the steel tubes. Refer to Figure 6 for fur- loader subframe. Secure hoses as shown. This will ther installation instruc
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4. MAINTENANCE IMPORTANT: Lower the loader boom to the DAILY CHECKS ground and relieve pressure in loader hydraulic lines prior to doing any service or maintenance Check all hardware daily before operation. operations on the tractor or loader. Tighten hardware to torque values as specified in Check the tractor hydraulic fluid level as speci- the Torque Chart, page 43 unless otherwise speci- fied in the tractor Operator Manual. fied. NOTE: When checking hydraulic system fluid With the engine off
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CAUTION DO NOT STAND, WALK OR WORK UNDER A RAISED LOADER OR ATTACHMENT UNLESS IT IS SECURELY BLOCKED OR HELD IN POSITION. ACCIDENTAL MOVE- MENT OR A CONTROL LEVER/LEVERS OR LEAKS IN THE HYDRAULIC SYSTEM 1 COULD CAUSE THE LOADER TO DROP, OR ATTACHMENT TO DUMP, CAUSING SEVERE INJURY. QUICK DRAW LATCH ATTACH LUBRICATION Figure 4 Your quick draw latch attach handle springs and pin (1) Spring cover plate, one each side. areas have been pre-lubricated and sealed at the factory. If handle pin sticking
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FILLING THE BUCKET ...a level bucket throughout the lifting cycle resists Approach and enter the pile with a level bucket. bucket lift and increases breakaway effort. 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
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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 keeps the bucket and tractor center of gravity low LOWER
