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3545 / 4045 / 5045 / 6045

TABLE OF CONTENTS

SECTION/PARA

PAGE

Warranty .....................................................................2
Dealer Preparation Check List....................................3
Safety Alert Symbols ..................................................4
Safety Precautions .....................................................5
Federal Laws & Regulations.......................................7

I

INTRODUCTION & DESCRIPTION ...........................8
1-1 Introduction...........................................................8
1-2 Description ...........................................................8

II

LOADER MOUNTING & DISMOUNTING ................10
2-1 Preparing Tractors..............................................10
2-2 Mounting Loader ................................................10
2-3 Dismounting Loader  ..........................................12

III

OPERATING INSTRUCTIONS ................................13
3-1 General Safety ...................................................13
3-2 Pre Operation .....................................................13
3-3 Initial Loader Operation ......................................13
3-4 External Loader and/or Tractor Valve ................14
3-5 Loader Mounted or Tractor Mounted 
Single Lever Control Handle.....................................14
3-6 Loader Mounted Series Control Valve With Single
Lever Control Handle................................................14
3-7 Neutral Position ..................................................14
3-8 Float Position......................................................14
3-9 Regenerative Valve Position ..............................14
3-10 Load Sense Loader Valve ................................14
3-11 Loader Operation .............................................14

1

RETAIL CUSTOMER’S RESPONSIBILITY

UNDER THE BUSH HOG WARRANTY

It is the Retail Customer and/or Operator’s responsibility to read the Operator’s Manual, to operate, lubricate,
maintain and store the product in accordance with all instructions and safety procedures. Failure of the opera-
tor to read the Operator’s Manual is a misuse of this equipment.

It is the Retail Customer and/or Operator’s responsibility to inspect the product and to have any part(s) repaired
or replaced when continued operation would cause damage or excessive wear to other parts or cause a safety
hazard.

It is the Retail Customer’s responsibility to deliver the product to the authorized Bush Hog Dealer, from whom
he purchased it, for service or replacement of defective parts which are covered by warranty. Repairs to be
submitted for warranty consideration must be made within forty-five (45) days of failure.

It is the Retail Customer’s responsibility for any cost incurred by the Dealer for traveling to or hauling of the
product for the purpose of performing a warranty obligation or inspection.

3-12 Removing Air From Hydraulic System ...............15
3-13 Hose Identification............................................15

3-14 Bucket Level Indicator Rod ..............................15

3-15 Bale Spear Operation.......................................20

3-16 Fork Lift Operation............................................21

3-17 Transporting .....................................................21

3-18 Skid Steer Quick Hitch Operation.....................22

IV

MAINTENANCE .....................................................23

4-1 Maintenance Check List ....................................23
4-2 Lubrication .........................................................23
4-3 Hydraulic System

Pressure Requirements .....................................24

4-4 Troubleshooting .................................................24

V

ASSEMBLY ..............................................................26

5-1 Tractor Preparation ............................................26

5-2 Tractor Ballast ....................................................27

5-3 Installation ..........................................................27

5-4 Hydraulic Hookup ...............................................27

5-5 Bucket Level Indicator Rod ................................27

5-6 Fork Lift Option...................................................28

5-7 Bale Spear Option ..............................................28

5-8 Optional Bucket Items ........................................29

Torque Specifications ...............................................30

Safety Decals ...........................................................31

SECTION/PARA

PAGE

OPTIONAL EQUIPMENT INSTRUCTIONS AT END OF MANUAL

NOTE: Some optional equipment information may not apply to your particular loader.

Summary of Contents for 3545

Page 1: ...ASSEMBLY OPERATION MAINTENANCE 707 4 00 50048390 Front End Loaders 3545 4045 5045 6045 Operator s Manual BUSH HOG...

Page 2: ...ler we stock genuine Bush Hog parts which are manufactured with the same precision and skill as our original equipment Our trained service personnel are well informed on methods required to service Bu...

Page 3: ...nd to have any part s repaired or replaced when continued operation would cause damage or excessive wear to other parts or cause a safety hazard It is the Retail Customer s responsibility to deliver t...

Page 4: ...Hog duty taxes charges for normal service or adjustment loss of crops or any other loss of income rental of substitute equipment expenses due to loss damage detention or delay in the delivery of equi...

Page 5: ...attachments for loader operations Buckets for lifting loose materials bale spear for lifting round bales fork lift for lifting palletized material Operators manual has been delivered to owner and he h...

Page 6: ...the equipment safety signs These words are intended to alert the viewer to the existence and the degree of hazard seriousness This signal word indicates a potentially hazardous situation which if not...

Page 7: ...tractor at low speeds 7 Stop tractor engine place transmission in park or neutral engage parking brake lower loader arms to ground cycle all hydraulic controls to relieve pressure allow machine movin...

Page 8: ...rly small children The operator should cease operation whenever anyone comes within the operating area 5 Operate the loader from the Operator s Seat Only 6 Exercise caution when operating the loader w...

Page 9: ...not limited to instructions to Keep all guards in place when the machine is in operation Permit no riders on equipment Stop engine disconnect the power source and wait for all machine movement to stop...

Page 10: ...ional information is needed contact your authorized Bush Hog dealer 1 2 DESCRIPTION Model 3545 4045 5045 6045 Front End Loaders are designed for two wheel and four wheel drive trac tors They come equi...

Page 11: ...Forward of Pivot Pin Y Breakout Force At Pivot Pin 4300 lbs 5000 lbs 6000 lbs 8450 lbs Z Breakout Force 31 5 Forward of Pivot Pin 2750 lbs 3500 lbs 4280 lbs 5400 lbs VV Rollback Force at Maximum Heigh...

Page 12: ...an be connected to the quick couplers Stop the engine Connect the loader hydraulic hoses to the correct couplers Figure 2 3 B Retract Loader Lift Cylinders Figure 2 3 A Check air pressure in tractor t...

Page 13: ...is approximately 1 2 off ground G Slide quick pin into position and let pin handle extend downward through the retaining loop at the bottom of the subframe Figures 2 5 and 2 6 Figure 2 5 Quick Pin Fi...

Page 14: ...tions in the boom crosstube as shown in Figure 2 8 D Position parking stands in attaching brackets on inside of each loader arm and secure Figure 2 9 E Dismounting procedures will be the reverse of th...

Page 15: ...d lower loader to ground before leaving tractor operator s seat 3 2 PRE OPERATION IMPORTANT Do not extend bucket cylinders without quick hitch attachment installed on loader Failure to follow these in...

Page 16: ...ce To activate the float position lower the bucket or attach ment and push the control handle all the way for ward into detent The valve will stay in float detent position until the operator manually...

Page 17: ...eginning work observe the position of indicator rod with the bucket flat on the ground The kink in the indicator rod should be located in the bracket slot If the kink is not in centered in the slot re...

Page 18: ...rial loaded in a given period of time Time is lost if two or more attempts are made to fill the bucket on each pass LIFTING THE LOAD WARNING DO NOT LIFT OR CARRY ANYONE IN THE BUCKET OR ON ANY OTHER P...

Page 19: ...HILLSIDE IS DANGEROUS EXTREME CARE IS RECOMMENDED DO THIS NOT THIS When transporting the load keep the bucket as low as possible to avoid tipping in case a wheel drops in a rut NOT THIS DO THIS DUMPIN...

Page 20: ...DING FROM A BANK Choose a forward gear that provides sufficient ground speed for loading Exercise caution when undercutting high banks Dirt slides can be dangerous Load from as low as possi ble for ma...

Page 21: ...LOADING LOW TRUCKS OR SPREADERS FROM A PILE For faster loading minimize the angle of turn and length of run between pile and spreader Backgrade occasionally with a loaded bucket to keep the working su...

Page 22: ...ractor Possibility of the object rolling or sliding down the loader arms onto the operator 3 15 BALE SPEAR OPERATION The bale spear Figure 3 4 is intended for handling large round bales Before operati...

Page 23: ...width so that the load will be carried approximately equal on each fork Position load as far back as possible 3 17 TRANSPORTING When transporting on road or highway day or night use tractor flashing...

Page 24: ...HE LATCHED POSI TION BEFORE OPERATING LOADER OR ACCINDENTAL DISENGAGEMENT OF THE ATTACHMENT COULD RESULT CAUTION Figure 3 6 A B C D Quick Hitch Operation A Top Cuff Quick Hitch Tilted Forward Spring L...

Page 25: ...y decals specified by the manufacturer to be affixed to the component 3 Store loader in a dry place To keep mounting kit hardware from loosening during operation periodically check that all loader mou...

Page 26: ...rious injury The Bush Hog control valve is pre set at the factory and should not be adjusted 4 4 TROUBLESHOOTING Troubleshooting procedures are listed in Table 4 1 If the problem cannot be solved or r...

Page 27: ...han boom lift capacity Check tractor system Internal boom cylinder leakage Replace any worn parts and install a seal repair kit Improper hydraulic valve Repair or replace valve operation Slow leakdown...

Page 28: ...SSEMBLY CAUTION 26 Read entire instructions before beginning to install the loader Personal injury and machine damage may be prevented if you read and understand these instructions and special safety...

Page 29: ...OVERHEAD HOIST OR OTHER SUITABLE MEANS PRIOR TO REMOVING BANDS OR ATTACHING STRAPS SECUR ING LOADER TO PALLET FAILURE TO DO SO COULD RESULT IN ACCIDENTAL TIP OVER OF THE LOADER THAT COULD CAUSE SERIOU...

Page 30: ...and lower pins to lock forks in place 28 5 7 BALE SPEAR OPTION Insert long spear into top of frame and fasten with eccentric nut as shown Tapered side of nut must be against frame Torque nut to 470 5...

Page 31: ...edges on bolts in side plates if necessary 3 Remove spill guard and drill 9 16 holes Install spill guard and torque fasteners per Torque Specifications page 30 SPILL GUARD 9 16 Holes 7Places 1 2 x 1...

Page 32: ...4 12 UNF 553 749 1241 1682 2013 2728 2 1 16 1 3 8 6 UNC 655 887 1470 1992 2382 3228 2 1 16 1 3 8 12 UNF 746 1011 1672 2266 2712 3675 2 1 4 1 1 2 6 UNC 870 1179 1950 2642 3161 4283 2 1 4 1 1 2 12 UNF 9...

Page 33: ...nd clear if lowering or raising loader or boom Do not use hand or skin to check for hydraulic leaks Use cardboard or wood Wear eye protection High pressure oil leaks can penetrate skin causing serious...

Page 34: ...tes of a tractor having an Open center hydraulic system z A power beyond kit is Not required on tractors with a Closed center hydraulic system The loader valve may be attached to the tractor at the re...

Page 35: ......

Page 36: ...op Hole 1 1 2 x 2 3 4 Capscrew 1 1 2 Lockwasher 1 1 2 Hex Nut 50027309 Valve Mount Bracket Mount Plate to Loader Bracket Bottom Hole 1 1 2 x 3 Capscrew 2 1 2 Flatwashers 1 1 2 Lockwasher 1 1 2 Hex Nut...

Page 37: ......

Page 38: ...pre drilled mounting holes by the tractor manufacturer If mounting holes will have to be drilled make sure the area on the underside of the floor board has no cables tubes linkages or any other obstr...

Page 39: ......

Page 40: ...sert metric bolt in cross drilled hole and through groove in cable body and secure with the metric nut Fig 2 BOOT CONTROL CABLE GROOVE IN CONTROL CABLE HOUSING E CLIP PIN 7 Attach the handle body to t...

Page 41: ......

Page 42: ...8 hose assemblies by plugging into the matching color on the female halves mounted on the valve Refer to Fig 5 16 Attach the 4 hoses from the valve to the metal lines on the boom frame on the right ha...

Page 43: ......

Page 44: ...e 50041057 2 Hydraulic Hose 156 50041068 1 Cable Control Valve Ass y 50020851 1 Control Handle 50020540 2 Control Cable 78 50026999 2 Cable Connector Kit 50027394 1 Support Weldment 50027391 1 Support...

Page 45: ...operation of any other tractor system hydraulic function LINE C NON PRESSURIZED RETURN LINE Returns oil to the tractor system when the optional control valve is activated to extend or retract the boo...

Page 46: ......

Page 47: ...e valve plug removed Note Power beyond plug is shipped with valve Torque from 20 to 25 ft lbs 3 Install straight adaptor 3 4 JIC to 7 8 SAE in power beyond port 4 Before further hydraulic assembly is...

Page 48: ......

Page 49: ...IC male 90 elbow into each port 4 Install a 3 4 JIC female 3 4 JIC male TEE to each of the 90 elbows in ports E F with the single leg pointing out Install a 3 4 JIC female 3 4 JIC male 90 elbow to eac...

Page 50: ......

Page 51: ...Lift Blue Rod End Rod End Rod End Rod End Base End Base End Base End Base End R H Lift Cylinder R H Bucket Cylinder L H Bucket Cylinder L H Lift Cylinder FRONT D To control valve port for rod end lif...

Page 52: ......

Page 53: ...shim on top of each hitch lug on top of the bucket 3 Center the screen with inner arms attached on rear of bucket with screen frame resting on 1 2 shims Clamp in place 4 Using holes in inner arms as...

Page 54: ...s 8 3 8 Flatwashers 4 3 8 Lockwashers 4 3 8 Hex Nuts Outer Arm to Inner Arm 1 3 4 x 5 Capscrew 1 25H49907 Pivot Bushing 1 3 4 Lockwasher 1 3 4 Hex Nut Inner Arm to Screen 2 1 2 x 5 Capscrews 2 1 2 Loc...

Page 55: ...4 ZP 44064 2 Capscrew 3 4 x 5 G5 ZP 15563 18 Hex Nut 5 8 ZP 19486 18 Lockwasher 5 8 ZP 20415 6 Capscrew 5 8 x 5 1 2 G5 ZP 20763 8 Capscrew 5 8 x 5 G5 ZP 44008 4 Capscrew 5 8 x 2 1 2 G5 ZP 8151600 4 He...

Page 56: ...P O Box 1039 Selma AL 36702 1039 Telephone 334 874 2700 www bushhog com...

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