Land Pride BH2585 Problem Cause Solution, Hydraulic System, Performance, Backhoe does not hold

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Land Pride

Table of Contents

 

Section 6 Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

 

Slow operation and poor

Engine speed too low.

Adjust RPM’s.

 

 

Hydraulic System

 

 

 

 

Defective pump.

Check pressure or replace.

 

 

performance

 

 

 

 

 

 

 

Load too heavy.

Check line pressure.

 

 

 

 

 

 

 

 

Faulty main relief valve.

Clean or replace main relief valve.

 

 

 

 

 

 

 

 

Internal valve crack.

Replace valve section.

 

 

 

 

 

 

 

 

Suction line filter plugged.

Clean or Replace Filter.

 

 

 

 

 

 

 

 

Oil too heavy for cold weather use.

Replace with lighter oil.

 

 

 

 

 

 

 

 

Power supply may not be plumbing

Use a flow meter to check if 4-8 GPM flow rate is being

 

 

 

enough oil.

achieved.

 

 

 

 

 

 

 

 

Low oil level.

Add oil.

 

 

 

 

 

 

 

 

Pressure line restricted.

Check for obstruction.

 

 

 

 

 

 

 

 

Collapsed suction line.

Check for damage.

 

 

 

 

 

 

 

 

Valve spool not at full stroke.

Check movement and linkage.

 

 

 

 

 

 

 

Backhoe does not hold

Cylinder seals leaking.

Replace seals.

 

 

up load

 

 

 

 

Valve spool leaking.

Replace seals.

 

 

 

 

 

 

 

 

 

 

 

Oil bypassing valve spool.

Replace valve bank.

 

 

 

 

 

 

 

Load drops when valve

Dirt in load check valve.

Disassemble and clean.

 

 

spool moved from

 

 

 

 

neutral

 

 

 

 

 

 

 

 

 

Excess oil heat

Damaged or worn pump.

Repair or replace.

 

 

 

 

 

 

 

 

Too fast of an engine speed.

Reduce throttle.

 

 

 

 

 

 

 

 

Main relief bypass valve improperly

Check relief setting.

 

 

 

set.

 

 

 

 

 

 

 

 

 

Draft control lever not all the way

Position correctly.

 

 

 

down.

 

 

 

 

 

 

 

 

Oil leakage

Valve spool seals.

Replace seals.

 

 

 

 

 

 

 

 

Loose hose fittings.

Tighten just enough to stop leakage.

 

 

 

 

 

 

 

 

Broken oil line.

Replace hose or line.

 

 

 

 

 

 

 

Independent Hydraulic

Improperly set relief valve.

Set relief at 1400 PSI.

 

 

system pump failure

 

 

 

 

 

 

 

 

 

Independent Hydraulic

Suction line filter plugged.

Clean filter.

 

 

system pump noisy

 

 

 

 

Oil too heavy.

Replace with lighter oil.

 

 

 

 

 

 

 

 

 

 

Jerky or erratic action

Air in system.

Check for loose connections and/or cycle all valves to

 

 

 

 

remove air.

 

 

 

 

 

 

 

 

Wrong type of oil.

Check tractor manual. For Independent Hydraulic System

 

 

 

 

use Type A non-foaming hydraulic oil.

 

 

 

 

 

 

 

 

Foamy oil.

Check tractor manual. For Independent Hydraulic System,

 

 

 

 

use a Type A non-foaming hydraulic oil.

 

 

 

 

 

 

 

Blown Return Valve

Improperly connected.

Make sure all connections are as shown in the assembly

 

 

 

 

section of this manual.

 

 

 

 

 

 

10/28/05

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Contents Backhoes Table of Contents For Your Protection Important Safety InformationLook For The Safety Alert Symbol Be Aware Signal WordsKeep Riders Off Machinery Use Safety Lights and DevicesTransport Machinery Safely Transporting the Loader and AttachmentAvoid High Pressure Fluids Hazard Practice Safe MaintenancePrepare for Emergencies Wear Protective Equipment838-378C 838-379C 838-380C818-339C 839-933C 839-932C Serial Number Plate Using This ManualApplication Owner AssistanceBackhoe Operation, Maintenance & Safety Tips Skid Steer Requirements Power Beyond Hydraulic SystemsAssembly and Set-Up Tractor RequirementsClosed Center Hydraulic Systems Power Beyond & Closed Center KitIndependent PTO Hydraulic Pump System Choose the Appropriate HosingBackhoe Independent Hydraulic Systems Main Frame Boom Cylinder Inside Boom Stabilizer Cylinder For All TractorsFor John Deere Tractors Mounting The BackhoeTransport Lock Lower Link Hitch Bracket InstallationBackhoe Stabilizer Kit Installation Bucket Installation Seat AssemblySkid Steer Hook-Up Locking Bar Optional Equipment AssembliesRipper Tooth Operating Instructions Preparing For OperationOperating The Backhoe Transporting The BackhoeBoom Control FunctionsDipper Stick And Bucket Dipper Stick & Boom Angle Digging SuggestionsDigging at the Correct Angle Observe the following cautions while diggingBucket Angle Storage MaintenanceBucket Tooth Replacement Maintenance and LubricationBucket Cylinder Base End LubricationBucket Pivot Bucket Pivot End of StickBoom Pivot Unerneath at end of Boom Dipper Stick Cylinder Base EndBoom Cylinder Rod End Boom Pivots Both SidesBoom Swing Pivot Boom Cylinder Base EndStabilizer Cylinder Rod End Both Sides Stabilizer Arms Both SidesBoom Swing Cylinder Base End Boom Swing Cylinder Rod End Both SidesBH25 Series Backhoes Specifications and CapacitiesBH2585 Features Benefits Features and BenefitsTroubleshooting Performance Problem Cause SolutionLoad drops when valve Hydraulic System· m Ft-lb Mm x pitch Torque Values Chart For Common Bolt SizeAppendix In-tpiWarranty Corporate Office P.O. Box Salina, Kansas 67402-5060 USA
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