Bradco 511 Operator's Manual Page 1

800-922-2981 I www.paladinbrands.com P.O. Box 266, Delhi, IA 52223-0266, United States of America509 & 511 POWER BACKHOESOPERATOR’S

MAINTENANCE1.Never work on equipment while it is running. Block up equipment,set hand brake, lower bucket and stabilizers, turn off the tractor andre

CCINTERNATIONAL SYMBOLSAs a guide to the operation of your equipment, various internationalsymbols have been utilized on the instruments and controls.

PRE-OPERATION509 & 511 POWER BACKHOEGENERAL INFORMATIONThe purpose of this manual is to assist in setting up, operating andmaintaining your backho

PRE-OPERATIONBACKHOE MAJOR COMPONENT NOMENCLATURE509 & 511 BACKHOEGENERAL INFORMATIONThroughout this manual, reference is made to various backhoe

OPERATING INSTRUCTIONSCONTROLS39585-16-94-2GENERAL INFORMATIONYour backhoe is operated by four different control levers. Two are forstabilizer operati

OPERATING INSTRUCTIONSOPERATING TECHNIQUESATTACHMENT TYPE BACKHOES675812-18-95GENERAL INFORMATIONWhen operating the backhoe, smoothness of technique s

OPERATING INSTRUCTIONSOPERATING TECHNIQUESATTACHMENT TYPE BACKHOES68793-7-96BEFORE YOU START DIGGING (CONTINUED)Once the unit is positioned, lower the

68803-7-96OPERATING INSTRUCTIONSOPERATING TECHNIQUESATTACHMENT TYPE BACKHOESBASIC DIGGING TECHNIQUEWhen starting an excavation, make the first cut of

OPERATING INSTRUCTIONSOPERATING TECHNIQUESATTACHMENT TYPE BACKHOESBASIC DIGGING TECHNIQUES (CONTINUED)68813-7-96Once the sides are cleaned up, finish

OPERATING INSTRUCTIONSOPERATING TECHNIQUESATTACHMENT TYPE BACKHOESTRENCHING BETWEEN A BUILDINGAND AN OPEN EXCAVATION (CONTINUED)Position the unit so t

OPERATING INSTRUCTIONSOPERATING TECHNIQUESATTACHMENT TYPE BACKHOESEXCAVATING ON SLOPESWhen digging on slopes always face the backhoe upgrade wheneverp

To check for pipeline leaks, start by digging a bellhole about six feetwide and ten feet long. Then, dig lengthwise along the pipeline to locatethe l

OPERATING INSTRUCTIONSOPERATING TECHNIQUESATTACHMENT TYPE BACKHOESMISCELLANEOUS - BACKFILLINGTo backfill an excavation, lower the extended bucket into

OPERATING INSTRUCTIONSTRANSPORTINGGGGENERAL INFORMATIONFollow the simple steps listed below when preparing the backhoe fortransportation between work

LUBRICATION509 & 511 BACKHOEHH74866-7-99-2GENERAL INFORMATIONEconomical and efficient operation of any machine is dependent uponregular and proper

LUBRICATION509 & 511 BACKHOEHH74876-7-99-28MAINFRAME / SWINGPOST PIVOT PINS8SWING CYLINDER ENDAND SWINGTRUNNION PINS8BUCKETLINKBUSHINGS8DIPPER LIN

67481-11-02-2MAINTENANCELLGENERAL MAINTENANCEGENERAL INFORMATIONRegular maintenance is the key to long equipment life and safe opera-tion. Maintenanc

MAINTENANCELLGENERAL MAINTENANCE877110-10-02TOOTH POINTTOOTH SHANKBUCKETPIN WITH GREASE ZERKSCONTROL VALVEThe hydraulic control valve maintenance in n

MAINTENANCEPOWER DIG BUCKETS68953-8-96DIGGING POSITIONSPower dig buckets may be installed in any one of three differentdigging positions. By using th

TABLE OF CONTENTSPOWER BACKHOES68933-8-96TO THE OWNER... A

MAINTENANCEHOSE ROUTING - 509 511 BACKHOELLGENERAL INFORMATIONThe purpose of this page is to show the hydraulic hose routing be-tween the backhoe con

CYLINDER SEAL REPLACEGENERAL INFORMATIONThe following information is provided to assist you in the event youshould need to repair or rebuild a hydra

CYLINDER SEAL REPLACE4. Inspect the piston and the bore ofthe cylinder tube for deep scratches orgalling. If damaged, the piston andcylinder tube m

MAINTENANCE INSTRUCTIONSCYLINDER SEAL REPLACEASSEMBLY PROCEDURE4. Remove the hex nut, piston, flatwasher or spacer tube (if so equipped),and gland

CYLINDER SEAL REPLACENow insert the seal into the gland fromthe inner end. Position the seal in it'sgroove, and release and remove thetool. P

CYLINDER SEAL REPLACERotate the gland until the gland retain-ing rod forms a ring between the glandand the cylinder tube.When complete, the bent end

CYLINDER SEAL REPLACE2. Slide the gland onto the cylinderrod being careful not to damage therod wiper. Then install the spacer, orflat washer (if s

CYLINDER SEAL REPLACETORQUE SPECIFICATION CHART Use the following torque values when tightening the nuts on the cylinder rod threads.561310-16

BACKHOE STORAGE509 & 511 BACKHOEMMBACKHOE STORAGETo prepare the backhoe for storage, first wash off all dirt and grimefrom the unit. Coat the exp

TROUBLESHOOTINGPROBLEM POSSIBLE CAUSE REMEDYBackhoe fails to lift or Low oil supply Add oilswingImproper hose hookup Check hydraulic dia-gram; reinst

PROBLEM POSSIBLE CAUSE REMEDYBackhoe fails to hold up Broken or leaking lines Replace broken hoseload and check for leaksDirty oil Drain and refill oi

PROBLEM POSSIBLE CAUSE REMEDYExternal leakage Control valve tie bolts Torque bolts toloose 20 ft.lbs.Damaged O-rings Repair control valvebetween valv

O O BOLT TORQUE BOLT TORQUE SPECIFICATIONS GENERAL TORQUE SPECIFICATION TABLE Use the following torques when special torques are not given. These

SPECIFICATIONS509 & 511 POWER BACKHOEPP74906-7-99-2KJCHG16"16"MFABED2'BACKHOE SPECIFICATIONS TABLE 5 0 9 5 1 1TRANSPORTA Transport

SPECIFICATIONSCYLINDER AND BUCKET SPECIFICATIONS509 & 511 POWER BACKHOEPP74916-7-99-2CYLINDER SPECIFICATION TABLECYLINDER 509 511BUCKET CYLINDERCy

DECALSDECAL PLACEMENTQQGENERAL INFORMATIONThe diagrams on this page shows the location of all the decals usedon the 500 series backhoes. The decals a

TO THE OWNERGENERAL COMMENTSCongratulations on the purchase of your new backhoe! Your backhoe wascarefully designed and manufactured to give you many

DECALSQQ67881-19-96PART #4368OPERATING CONTROLS DECALPART #4170 PART #4247PETCOCK OPERATION DECAL SWING SPEED CONTROL DECALPART #40219 PART #40249BOOM

DECALSQQ67892-14-00-2PART #4140BUCKET CONTACT WARNING DECALPART #40440CALL BEFORE YOU DIGPART #4084GREASE 8 HOURSMADE IN USAPART #4338MADE IN U.S.A. D

DECALSQQ67902-14-00-2PART #40151HIGH PRESSURE FLUID DECALIMPORTANTTO PREVENT BACKHOE DAMAGE:DO NOT ATTACH TOW CHAINTO DIPPER OR BUCKET.DO NOT REPEATED

DECALSQQ74789-10-04-3PART #40245 (3 REQ'D)BRADCO LOGO - SILBERPART #4271INLINE FILTER DECALPART #40319 (2 REQ'D)509 MODEL NUMBERPART #40356

PRE-DELIVERY CHECKLIST67841-15-96GENERAL INFORMATIONThe following is a list of areas that should be inspected by the dealer prior todelivery of the ba

All new BRADCO products are warranted to be free from defects inmaterials or workmanship which may cause failure under normal usage andservice when us

SAFETY PRECAUTIONSBBTAKE NOTE! THIS SAFETY ALERT SYMBOL FOUND THROUGHOUT THISMANUAL IS USED TO CALL YOUR ATTENTION TO INSTRUCTIONS IN-VOLVING YOUR PE

THE OPERATORA careful operator is the best operator. Most accidents can beavoided by taking certain precautions. The following precautions are sug-g

6. Do not take passengers on the vehicle or backhoe. There is no safeplace for a passenger.7. Use the handholds and step plates when getting on/off t

5. Block off work area from all bystanders, livestock, etc. Allow plenty ofroom for backhoe reach and swing.6. When operating on slopes, dig with the