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Section 8: Troubleshooting

HD25 and HD35 Hydraulic Post Hole Diggers 317-076M

7/31/17

Table of Contents

Section 8: Troubleshooting

Troubleshooting Chart

Problem

Cause

Solution

Auger will not dig

Teeth are dull.

Sharpen or replace teeth.

Auger

is turning too fast and bouncing.

Reduce engine speed.
Do not exceed 300 RPM.

Auger is encountering rocks, roots, or other
obstructions.

Lift auger from hole and remove obstruction or
change location.

Tractor/skid steer is not positioned properly.

Reposition tractor.

Auger digs so far, but
will not dig deeper

Soil could have hardpan layer below surface.

Use optional Down Pressure Kit or loader
hydraulic arms to push auger into ground. May
need to use an extension.

3-Point
Post Hole Digger
sways side to side

No sway bars or sway blocks on tractor 3-point.

Add stabilizers to lower 3-point lift arms.

Lift arms not adjusted evenly.

Adjust lift arms to be level with each other.

Post Hole Digger is mounted with excessive
looseness in the hitch connecting points.

Use proper size pins or bushings

Auger is bent and/or
auger flighting is bent

Tractor/skid steer moved on its own while auger
was in the hole.

Always make sure gear selector is in neutral or
park and brakes are set.

Operator moved tractor/skid steer excessively with
auger in hole to try to straighten hole being dug at
an angle.

Be careful not to damage gearbox or auger when
moving. While digging, move tractor/skid steer in
small increments to keep hole straight.

Auger is encountering rocks, roots, or other
obstructions.

Lift auger from hole and remove obstruction or
change location.

Auger screws itself
into the ground

Operator did not slowly lower Post Hole Digger to
the ground.

Lower Post Hole Digger slowly to the ground.

Faulty tractor hydraulics for the 3-point hitch.

Repair hydraulic for the 3-point hitch.

Tractor is too small to handle digger.

Mount Post Hole digger on a larger tractor.

Excessive oil heating

Flow in hydraulic line is restricted due to dirt
particles in fittings and twisted hydraulic hoses.

Remove dirt particles in fittings and untwist
hydraulic hoses that may be pinched or kinked.

Defective or mismatched coupler.

Replace with proper couplers.

Hydraulic fluid is dirty.

Replace hydraulic fluid and filter.

Insufficient quantity of hydraulic fluid.

Fill reservoir to proper level.
Increase reservoir storage capacity.

Digging load is excessive.

Reduce load to within machine specifications.

Gearbox is damaged

No oil in Gearbox.

Check oil level in gearbox per instructions.

Oil not properly changed.

Change oil per

“Lubrication

Points”

instructions on page 33.

Jerky operation

Cold oil or air in hydraulic lines.

Allow time for the hydraulic oil to warm up.

Hydraulic system not working properly.

See tractor/skid steer Operator’s Manual.

Insufficient
digging power

Excessive wear of auger teeth or point.

Replace auger teeth or point.

Low system pressure. (PSI)

Check system with pressure gauge.
If low, investigate cause.

Relief valve is damaged or is set wrong.

Refer to tractor/skid steer Operator’s Manual.

Excessive digging load.

Reduce load to within machine specifications.

Hydraulic Oil leaks

Loose or damaged hoses.

Tighten or replace hydraulic hoses.

Loose or damaged fittings.

Tighten or replace hydraulic fittings.

Hydraulic motor seals and gaskets are worn or
damaged.

See dealer for repair.

Содержание Post Hole Diggers HD25

Страница 1: ...hen you see this symbol the subsequent instructions and warnings are serious follow without exception Your life and the lives of others depend on it Hydraulic Post Hole Diggers HD25 and HD35 317 076M Operator s Manual Printed 7 31 17 35989 18974 Front Loader Mount for Tractors Skid Steer Mount for Skid Steers Bucket Mount 3 Point Mount 35975 35974 Center Mounting Bracket Offset Mounting Bracket Of...

Страница 2: ...d measurements provided in the Specifications Capacities Section of this manual with the Option s weight and measurements Dealer Contact Information Model Number Serial Number Machine Height Machine Length Machine Width Machine Weight Year of Construction Delivery Date First Operation Accessories Name Street City State Telephone Email CALIFORNIA PROPOSITION 65 WARNING WARNING This machine contains...

Страница 3: ...Hose Assembly 12 Center Offset Mount for Tractors 12 Center Offset Mount for Skid Steers 12 Hooking Up 3 Point Mount 12 Unhooking 3 Point Mount 13 Hooking Up Bucket Mount 14 Unhooking Bucket Mount 14 Hooking Up Skid Loader Mount 15 Unhooking Skid Loader Mount 15 Auger Assembly 16 Hydraulic Hook Up to Tractor 16 Hydraulic Hook Up to Skid Steer 17 Section 2 Adjustments 18 Post Hole Digging Depth 18 ...

Страница 4: ...e appropriate App on your smart phone open the App point your phone on the QR code and take a picture Dealer QR Locator The QR code on the left will link you to available dealers for Land Pride products Refer to Parts Manual QR Locator on this page for detailed instructions HD25 and HD35 Hydraulic Post Hole Diggers 317 076M Table of Contents See previous page for Table of contents ...

Страница 5: ...ust be taken When you see this symbol be alert and carefully read the message that follows it In addition to design and configuration of equipment hazard control and accident prevention are dependent upon the awareness concern prudence and proper training of personnel involved in the operation transport maintenance and storage of equipment OFF REMOVE Skid Steer Shutdown And Storage If engaged dise...

Страница 6: ...ght involved Make sure wheel bolts have been tightened to the specified torque Safety Precautions for Children Tragedy can occur if the operator is not alert to the presence of children Children generally are attracted to attachments and their work Never assume children will remain where you last saw them Keep children out of the work area and under the watchful eye of a responsible adult Be alert...

Страница 7: ...quipment Keep Riders Off Machinery Never carry riders or use the machinery to lift or transport individuals There is not a safe place for a person to ride Riders obstruct operator s view and interfere with the control of the power machine Riders can be struck by objects or thrown from the equipment Avoid Underground Utilities Dig Safe Call 811 USA Always contact your local utility companies electr...

Страница 8: ... locator at www landpride com 3 Some new equipment installed during repair requires safety labels to be affixed to the replaced component as specified by Land Pride When ordering new components make sure the correct safety labels are included in the request 4 Refer to this section for proper label placement To install new labels a Clean surface area where label is to be placed b Spray soapy water ...

Страница 9: ...D35 Hydraulic Post Hole Diggers 317 076M Table of Contents 18966 18966 18966 18966 818 691C Caution Avoid Damage 838 094C Warning High Pressure 818 547C Danger To Prevent Serious Injury or Death 818 646C Danger Read Manual ...

Страница 10: ...25 and HD35 Hydraulic Post Hole Diggers 317 076M 7 31 17 Table of Contents 35976 35976 19040 838 293C Warning Read Manual 838 292C Danger Electrocution hazard under ground wires 838 298C Caution Do not Lean ...

Страница 11: ...d accommodate augers ranging from 6 to 24 in diameter They can be purchased with a bolt on mount for mounting to the side of a bucket on a tractor front end loader with a boom for mounting to a cat I or II 3 point hitch or skid loader mount for attaching to a skid steer or to a tractor front end loader with a front loader hitch mount The HD25 series requires a hydraulic flow system capable of prod...

Страница 12: ...eived the following actions are suggested 1 Discuss any problems you have with your implement with your dealership service personnel so they can address the problem 2 If you are still not satisfied seek out the owner or general manager of the dealership explain the problem and request assistance 3 For further assistance write to Product Support Land Pride Service Department 1525 East North Street ...

Страница 13: ...uger Assembly on page 16 IMPORTANT The gearbox is shipped without gear lube and must be filled before operating the digger Skid Steer Tractor Requirements The auger is designed to attach to skid steers track loaders or tractor front end loaders equipped with a skid steer type quick attach hitch that meets SAE It also can be attached to the back of tractors with a Cat I or Cat II 3 point hitch or t...

Страница 14: ...keep it from falling out IMPORTANT If digger is mounted on the left hand side then hydraulic motor should be rotated 180 degrees so that hydraulic fittings are facing out HD Bucket Mount Assembly Right Hand Side Shown Figure 1 2 18973 Make sure gearbox is mounted with hydraulic motor extending towards the rear and motor ports facing out as shown 8 Attach extension spring 10 to clevis 5 tab 17 on h...

Страница 15: ... or more legs of cotter pin to keep it from falling out 3 Remove one cotter pin 7 and hanger pin 9 from gearbox 10 4 Attach gearbox motor assembly 10 to clevis 2 with pin 9 and cotter pin 7 Bend one or more legs of cotter pin to keep pin from falling out 5 Attach spring 3 to tab 1 and clevis 2 6 Fill gearbox with gear lube Refer to Gear Lube Fluid Level on page 33 for detailed instructions 7 Skip ...

Страница 16: ...f hydraulic hoses 9 10 through opening 1 Screw hydraulic hoses to elbows 8A 8B until tight 4 Select the coupler male 6 or female 7 that mates with high pressure coupler at the skid steer Attach selected coupler to hydraulic hose 9 and tighten Hose 9 attaches to port A on the motor 5 Screw remaining coupler to hydraulic hose 10 until tight 6 Skip to Hooking Up Skid Loader Mount on page 15 NOTE Use ...

Страница 17: ...ractor engine off and remove switch key before dismounting tractor b Switch quick release couplers at the duplex outlet on the tractor c Return to the tractor and repeat steps 9 10 to verify auger is rotating properly Unhooking 3 Point Mount Refer to Figure 1 8 1 Park tractor and Post Hole Digger on a flat solid surface 2 If available use Land Pride s storage stand to unhook and store the Post Hol...

Страница 18: ...ove If auger rotates counterclockwise switch quick release couplers at the duplex outlet on the tractor Unhooking Bucket Mount Refer to Figure 1 10 1 Lower digger until auger tip touches the ground 2 Make sure hydraulic motor fittings are facing up and not down against the ground when digger is laying on the ground Lay Post Hole Digger down as follows If digger is mounted on right side of bucket s...

Страница 19: ... Hole Digger hitch plate with locking pins on the skid loader hitch mount 8 Push lock handles on the skid loader hitch mount down until locking pins fully extend through bottom slots in the Post Hole Digger hitch plate Make sure locking handles are locked into position to keep pins from backing out 9 If auger is not assembled to the gearbox output shaft skip to Auger Assembly on page 16 10 If auge...

Страница 20: ...her lifting device to lift Post Hole Digger If lifting device is not available attach Post Hole Digger to a tractor or skid steer and use equipment hydraulics to raise unit AUGER SHIEL REMOVED FO CLARITY 35982 WARNING To prevent serious injury or death All guards and shields must be installed and in good working condition while operating attachment to avoid injury or death Make sure hydraulic hose...

Страница 21: ...ydraulic hoses to the Skid Steer Skid Steer Hydraulic Hose Hook up to Skid Steer Quick Release Couplers Figure 1 14 DIRECTION OF AUGER ROTATION 35984 Refer to Figure 1 13 1 Attach quick release couplers male 2 female 3 to the skid steer quick release couplers 2 From inside the skid steer cab lift Post Hole Digger up until auger is off the ground 1 to 2 inches 3 With skid steer set at an idle engag...

Страница 22: ... boom and yoke tube connection 3 Be careful not to lose spacers 5 3 Reposition boom and yoke tube connection 3 to best suit type of tractor this unit is mounted to achieve a hole depth of 40 4 Reinstall pivot pin 1 and bushings 5 Secure pivot pin with cotter pin 2 Bend one or more legs of cotter pin to keep cotter pin from falling out 5 If desired hole depth cannot be achieved an auger extension s...

Страница 23: ...gularly and perform required maintenance to keep it operating properly Never bypass or modify a safety device DANGER To prevent serious injury or death Keep all persons away from the Post Hole Digger while lowering raising and tilting the auger Coming in contact with the attached implement can result in being pinched and or entangled causing serious injury or death Make sure the site is free from ...

Страница 24: ...rance between ground and auger Hitting an object while traveling forward can damage equipment and cause serious bodily injure or death Use a power machine of adequate size for the load being carried A power machine that is too small can tip over when loader arms are raised due to high center of gravity Always travel with auger lowered to reduce the chances of tip over due to high center of gravity...

Страница 25: ... speed when traveling over rough or hilly terrain Operating Instructions 1 Carry the auger low to the ground while traveling between drilling positions 2 Position tractor on the upside of the hill when drilling a hole This will greatly improve its balance and down force 3 Experiment with auger speeds before digging Increase engine speed to increase auger speed and decrease engine speed to reduce a...

Страница 26: ...w moving vehicle sign should be employed if you are using a public road or right of way Once you have safely arrived at your digging site position your tractor so that the auger is directly over the spot where you want to dig a hole Make sure your operator protective shield or safety door is securely in place Lower auger to a point where the auger clears the ground by approximately 12 Do not opera...

Страница 27: ...ree bulbs at soil level and allowing the root system to reach down underneath to collect needed nutrients Dirt Tree Auger Teeth Refer to Figure 4 4 Auger Extensions Part No Part Description 317 040A PD 7 Auger Extension Assembly 317 041A PD 14 Auger Extension Assembly Dirt Augers Part No Part Description 317 030A 6 Semi Double Flight Auger Assembly 317 033A 9 Semi Double Flight Auger Assembly 317 ...

Страница 28: ...ption 317 258A PD 6 Rock Auger Assembly 317 259A PD 9 Rock Auger Assembly 317 260A PD 12 Rock Auger Assembly 317 261A PD 15 Rock Auger Assembly 317 262A PD 18 Rock Auger Assembly Bolt on Rock Heads Part No Part Description 317 274A SA 6 Bolt on Rock Head Assembly 317 275A SA 9 Bolt on Rock Head Assembly 317 276A SA 12 Bolt on Rock Head Assembly 317 277A SA 15 Bolt on Rock Head Assembly 317 278A SA...

Страница 29: ... Kit for 3 point Post Hole Diggers to provide additional digging force in hard soil by use of a hydraulic cylinder 1 to press down on the boom The down pressure created is between 300 and 500 lbs depending on mounting configuration DANGER To prevent serious injury or death Hydraulic fluid under high pressure will penetrate skin Wear protective gloves and safety glasses or goggles when working with...

Страница 30: ...sert bolt 7 through cylinder plates 4 5 and spacer 6 Draw nut up snugly do not tighten Refer to Figure 4 11 10 Attach cylinder 9 between cylinder plates 1 2 with pin 8 Insert both cotter pins 7 into pin 8 and bend one or more legs to prevent pin from falling out 11 Torque 1 2 x 5 1 2 bolt 5 to 76 ft lbs 12 Attach clamp plates 3 to digger boom with 1 2 13 x 2 1 4 GR5 bolts 4 and lock nuts 6 Thread ...

Страница 31: ...ct return line to tee fitting 5 j Connect pressure line 6 to tractor hydraulic outlet Connect return line to reservoir or sump 26829 Return Line to Sump Pressure Line Shuttle Tee Nut Placement IMPORTANT Do not connect return line to tractor remote outlet Damage will occur to digger frame if not properly hooked up to reservoir or sump Setting Down Pressure Kit Figure 4 13 Adjust Down Pressure Kit R...

Страница 32: ...he tractor s 3 point hook up Kit Bundle Part Number and Description 317 142A HD25 35 Storage Stand 20776 Stand Channel Assembly Figure 4 16 Storage Stand Assembly Refer to Figure 4 16 1 Remove auger 1 2 Remove guards 5 Keep lock washers 3 and flat washers 4 Discard 3 4 long bolts 2 3 Attach stand channel 6 and existing guards 5 to underside of gearbox 8 as shown using existing flat washers 4 exist...

Страница 33: ... hydraulic hoses and wrap them around the boom to keep fittings out of the dirt 5 Unhook boom from tractor s top 3 point center link hitch holes 6 Without starting the tractor lower yoke hitch pins into support angles as follows a Loosen clamping knobs 4 and adjust angle brackets 5 to align with yoke hitch pins 6 b Tighten clamping knobs 4 c Lowering 3 point arms until yoke hitch pins 6 are suppor...

Страница 34: ...embly 1 and attaching your existing hydraulic motor gearbox and auger assembly 3 to the unit Two 24 4 long hydraulic hoses can also be purchased with the Bucket Mounting Assembly to complete the fit up Some assembly is required Required hardware hydraulic hoses and adapters are included Quick release couplers are not included See HD Bucket Mount Assembly on page 10 for detailed instructions Part N...

Страница 35: ...xisting hydraulic motor spring gearbox auger assembly fittings and couplers are assembled to the HD25 35 QA Mount The customer must always supply new hydraulic hoses and fittings when converting the HD 3 Point Mount to the HD25 35 QA mount The customer can use the existing hydraulic hoses and fittings when converting the HD Bucket Mount to the HD25 35 QA mount for a tractor front loader The custom...

Страница 36: ...n the implement with other brands Other brands may not fit properly or meet OEM specifications They can weaken the integrity and impair the safety function performance and life of the implement Replace parts only with genuine OEM parts Daily Inspections 1 Check all bolts after using unit for several hours to be sure they are tight 2 After each use inspect auger for loose worn or damaged auger teet...

Страница 37: ...ng part is orange then add the suffix 82 to the end of the number to make the part number read 555 555C82 82 Orange 85 Black Lubrication Points 50 hrs Multi purpose spray lube Multi purpose grease lube Multi purpose oil lube Intervals in hours at which lubrication is required Lubrication Legend 18972 18965 NOTE Use a suction or siphon pump to drain gearboxes of oil when there is not an oil drain p...

Страница 38: ...ngle installed on angled side Number of teeth 6 2 teeth 9 12 4 teeth 15 5 teeth 18 6 teeth 24 10 teeth Pilot Cast steel 3 drill points Auger drive Hydraulic Gearbox 3 18 1 Ratio Gearbox oil capacity type 4 7 Pints of gear lube 80 90W EP Output shaft on gearbox 2 O D round Hitch type 3 Point Cat I or II Skid Loader Mount Bucket Mount 3 Point Cat I or II Skid Loader Mount Bucket Mount Yoke 2 7 8 O D...

Страница 39: ...5 Hydraulic Post Hole Diggers 317 076M Table of Contents HD25 15 7 8 HD35 16 3 8 5 67 1 8 22 3 4 AUGER 48 AUGER DIA 6 9 12 15 18 24 33 1 4 79 1 4 90 AUGER 48 67 5 8 AUG DIA 6 9 12 15 18 24 3 Point Mount Post Hole Digger 27527 Bucket Mount Post Hole Digger 26779 ...

Страница 40: ...ifications Capacities HD25 and HD35 Hydraulic Post Hole Diggers 317 076M 7 31 17 Table of Contents 19 1 2 57 43 1 2 AUGER 48 AUGER DIA 6 9 12 15 18 24 45 7 8 Skid Loader Mount Post Hole Digger Center Offset Mount 37024 ...

Страница 41: ... converted to Rock Augers with this accessory Auger flighting Constant thickness on 1 4 flighting verses tapered Replaceable cast alloy steel point with 3 fishtail tips 3 Fishtail tips will last 50 longer than 2 tips Cast alloy steel point can easily be replaced when worn or damaged Replaceable dual angle teeth Dual angle teeth can be changed from 40o to 50o to increase attack angle Teeth can easi...

Страница 42: ... obstruction or change location Auger screws itself into the ground Operator did not slowly lower Post Hole Digger to the ground Lower Post Hole Digger slowly to the ground Faulty tractor hydraulics for the 3 point hitch Repair hydraulic for the 3 point hitch Tractor is too small to handle digger Mount Post Hole digger on a larger tractor Excessive oil heating Flow in hydraulic line is restricted ...

Страница 43: ...ount Switch quick release couplers on the hydraulic hoses Auger speed is slow Low hydraulic flow through the system Check with flow meter If low investigate and correct Flow in hydraulic line is restricted due to dirt particles in fittings and twisted hydraulic hoses Remove dirt particles in fittings and untwist hydraulic hoses that may be pinched or kinked Defective or mismatched couplers Replace...

Страница 44: ...0 M16 X 2 145 105 225 165 315 230 5 8 11 130 97 205 150 285 210 M16 X 1 5 155 115 240 180 335 245 5 8 18 150 110 230 170 325 240 M18 X 2 5 195 145 310 230 405 300 3 4 10 235 170 360 265 510 375 M18 X 1 5 220 165 350 260 485 355 3 4 16 260 190 405 295 570 420 M20 X 2 5 280 205 440 325 610 450 7 8 9 225 165 585 430 820 605 M20 X 1 5 310 230 650 480 900 665 7 8 14 250 185 640 475 905 670 M24 X 3 480 ...

Страница 45: ...use also specifically includes failure to properly maintain oil levels grease points and driveline shafts Claims under this Warranty should be made to the dealer which originally sold the product and all warranty adjustments must be made through an authorized Land Pride dealer Land Pride reserves the right to make changes in materials or design of the product at any time without notice This Warran...

Страница 46: ...Corporate Office P O Box 5060 Salina Kansas 67402 5060 USA www landpride com ...

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