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Page 4 Section 3

Installation

MSD SABER SERIES SHEARS

MOBILE SHEAR START-UP PROCEDURE

Air must be bled out of the cylinder prior to operation of the shear. Trapped air in the system leads to cavita-
tion, oxidation of the oil, and excessive heat. These conditions promote hydraulic oil break down, contamina-
tion, noise, sluggish operation, reduced component life and potential cylinder damage. This procedure will
need to be followed upon installation, after hydraulic repairs have been made, or when a shear has been
stored or idle for an extended period of time. Make sure the shear cylinder is either fully retracted or extend-
ed—if not, mechani-cally place into either of these positions (loosen end plugs or caps on the manifold or fi t-
tings to relieve air pressure to the shear cylinder. Position the shear so the cylinder is as horizontal as possible.
Sett the excavator at idle speed or slightly above idle speed.

WITH CYLINDER FULLY RETRACTED

1.

Slowly fi ll the rod end of the cylinder (open the shear) until a noticeable change in tone of the excavator is

heard, indicating full cylinder.

Do not operate to the machine’s full operating pressure.

2.

Change direction of oil fl ow; slowly fi ll the bore end of the cylinder (close the shear) until the rod is extended

approximately 1/4 of stroke.

3.

Retract the cylinder rod all the way.

4.

Repeat steps 2 and 3, extending rod to approximately 1/2 stroke, then 3/4 stroke, then full stroke.

5.

When cylinder is full of oil, slowly cycle cylinder rod back and forth at least fi ve times through full stroke.

Do

not operate to the machine’s full operating pressure.

WITH CYLINDER FULLY RETRACTED

1.

Slowly fi ll the bore end of the cylinder (close the shear0 until a noticeable change in tone of the excavator is

heard, indicating full cylinder.

Do not operate to the machine’s full operating pressure.

2.

Change direction of oil fl ow; slowly fi ll the rod end of the cylinder (open the shear) until the cylinder rod is

retracted approximately 1/4 stroke.

3.

Extend the cylinder rod all the way.

4.

Repeat steps 2 and 3, retracting cylinder rod to appoximately 1/2 stroke, then 3/4 stroke, then full stroke.

5.

When cylinder is full of oil, slowly cycle cylinder rod back and forth at least fi ve times through full storke.

Do

not operate to machine’s full operating pressure.

6.

Slowly cycle the cylinder fi ve or more times reaching machine’s normal operating pressure at end of each

stroke, open or close. Listen for unusual noise and check for any hydraulic leaks.

After the cylinder has been bled and drained of air,
check the excavator hydraulic fl uid and fi ll to the
proper level.

NOTICE

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Содержание MSD 1000

Страница 1: ...MSD Saber Series Shears Part Number 512141 Safety Operation Maintenance Manual...

Страница 2: ...know the correct operating procedures of the attachment and all safety precautions to prevent the possibility of property damage and personal injury The LaBounty attachment has been designed and manuf...

Страница 3: ...uctions Internal Rotation Control System 3 8 Hydraulic Schematic Internal Rotation Control System 3 9 SECTION 4 OPERATION Before You Start 4 2 First Things First 4 2 Safety Devices You ll Need 4 2 Gen...

Страница 4: ...ment 5 32 Lower Wear Plate Replacement 5 33 Lower Shear Build up and Hardsurfacing 5 34 Hydraulic System Maintenance 5 37 Flange Type Hose Fittings 5 37 Torque Values for Four Bolt Flange Fittings 5 3...

Страница 5: ...ccumulator Maintenance 6 11 Testing the Accumulator Pre charge 6 12 Pressure Release 6 12 Accumulator Pre charging 6 12 Operating Flow for Internal Rotation 6 13 Operating Pressure for Internal Rotati...

Страница 6: ...TABLE OF CONTENTS...

Страница 7: ...Introduction to Safety Section 1 Page 1 MSD SABER SERIES SHEARS SECTION 1 INTRODUCTIONTO SAFETY Introduction 1 2 Understand Signal Words 1 2 Safety Summary 1 3 Attachment Decals 1 4...

Страница 8: ...ase machine and be sure that you understand all controls and operating instructions before attempting to operate this equipment Failure to follow the safety precautions can result in personal injury d...

Страница 9: ...e injury or death DO NOT process any material in any position that may propel it toward operator other workers buildings or equipment DO NOT close the attachment on a structure and reverse the excavat...

Страница 10: ...nder no circumstances should any modifications be made to LaBounty equipment without factory authorization ALWAYS lower the boom to the ground before leaving the cab If it is necessary to work on an a...

Страница 11: ...on 1 Page 5 MSD SABER SERIES SHEARS STANLEY LABOUNTY BRAND DECALS REPLACEMENT DECALSAVAILABLE UPON REQUEST FIGURE 1 1 MODEL DECAL FIGURE 1 2 SAFETY FIRST DECAL PART NUMBER 503590 INCLUDEDWITH MANUALS...

Страница 12: ...ntinued U S PATENT NUMBERS EPO PATENT NUMBERS 5 474 242 7 240 869 435 702 5 531 007 7 487 930 737 107 5 992 023 7 578 461 1 682 299 7 322 273 7 832 130 1 789 225 8 146 256 8 104 384 STANLEY LABOUNTY 1...

Страница 13: ...ut the Attachment Section 2 Page 1 MSD SABER SERIES SHEARS SECTION 2 ABOUTTHEATTACHMENT Model Description 2 2 Features 2 2 Attachment Terms 2 3 Attachment Glossary 2 4 Flow and Pressure Requirements 2...

Страница 14: ...ailable for base machines with operating weights from 20 000 280 000 lbs 9091 130 000 kg with a range of cutting depths Both rotating and non rotating models are available Rotating models feature hydr...

Страница 15: ...X CROSS BLADE CROSS PLATE SLIDE SCREW LEFT HYDRAULIC MANIFOLD BLOCK REAR CYLINDER PIN SPEEDVALVE INSIDE SHEAR CUTTING BLADES GUIDE BLADE LOWER SHEAR SLIDE SCREW RIGHT SHEAR STICK SHEAR BODY SPEEDVALVE...

Страница 16: ...lower shear which ties the two halves of the lower shear together The cross blade is contained in the cross plate Requires regular build up and hardsurface Crossover A hydraulic component used in a r...

Страница 17: ...ontains the Piercing Area guide blade and the cross blade Lower Shear The lower stationary jaw of the shear The lower shear contains the lower cutting blades the guide blade and the cross blade Lower...

Страница 18: ...c flow to the shear cylinder during rotation of shear without twisting hoses Manifold Thrust Main pivot group component that is located inside the end caps as a wear part for the main shaft Washer Tie...

Страница 19: ...out of speed valve mode SHEAR MODEL RECOMMENDED PRESSURE RANGE REQUIRED FLOW GPM TO MEET 8 10 12 AND 14 SECOND CYCLETIMES 8 SEC 10 SEC 12 SEC 14 SEC MSD 1000 4000 5500 PSI 276 379 BAR 50 40 MSD 1500 6...

Страница 20: ......

Страница 21: ...Procedure 3 5 Shear Storage 3 5 External Rotation Control System Installation if equipped 3 6 Electrical Installation Internal Rotaiton Control System 3 6 Electrical Schematic Internal Rotation Contr...

Страница 22: ...event contamination of the hydraulic system plug the hydraulic hose when they are disconnected It may be necessary to lift the rear of the shear into position to allow boom pivot pin installation on s...

Страница 23: ...followed a After installing a hydraulic circuit on the excavator install additional hydraulic lines up the boom these will include two 1 2 13 mm diameter feed lines and one 1 2 13 mm diameter case dr...

Страница 24: ...of the cylinder close the shear until the rod is extended approximately 1 4 of stroke 3 Retract the cylinder rod all the way 4 Repeat steps 2 and 3 extending rod to approximately 1 2 stroke then 3 4 s...

Страница 25: ...s and hose ends with pressure plugs to prevent contamination of the hy draulic system 9 At this point be extremely sure that the shear is stable and tension to the boom pivot pin is released before un...

Страница 26: ...oggle switch mounted to the control lever with a fabricated bracket INSTALLATION 1 Place the foot switch or other preferred control switch inside the cab in a convenient location for operating 2 Route...

Страница 27: ...ROL SYSTEM if equipped FIGURE 3 5 INSIDE ATTACHMENT INSTALLED AT FACTORY CONTROL VALVE ASSEMBLY GROUND ON CHASSIS ELECTRICAL CORD PLUG RECEPTACLE RED RED FOOT SWITCH INSIDE OPERA TOR S CAB 12V OR 24V...

Страница 28: ...ause severe burns 4 Whenever hydraulic lines are disconnected hoses must be capped and ports much be plugged to prevent contami nation of the hydraulic system 5 Install a 1 2 diameter hydraulic line c...

Страница 29: ...ion control system regularly FIGURE 3 7 TO ATTACHMENT ROTATION CIRCUIT INPUT FLOW FROM HY DRAULIC MANIFOLDS 1 DIRECTIONAL CONTROL VALVE 2 RELIEF VALVE SET AT 3000 PSI 200 BAR 3 FLOW CONTROL 4 UNLOADIN...

Страница 30: ...Page 10 Section 3 Installation MSD SABER SERIES SHEARS...

Страница 31: ...ty Devices You ll Need 4 2 General Rules for Safe Operation 4 3 Mobile Shear Controls 4 4 Operating the Rotator 4 6 Backdriving the Rotator 4 6 Operating the Internal Rotation Control System 4 6 Recha...

Страница 32: ...INGS FIRST 1 Ensure all safe viewing distance decals are installed and legible contact LaBounty for replacements as required 2 Have a DAILY Safety Dialog with all those with whom you work Inform them...

Страница 33: ...hat are too large for the shear GENERAL RULES FOR SAFE OPERATION 1 Read the Operator s Manual for the base machine on which the shear is mounted 2 KNOW the capacity of the excavator and its attachment...

Страница 34: ...systems are customized to each machine Review the shear operations with an authorized dealer or the installation technician before operating The functions for a typical shear third member installation...

Страница 35: ...Operation Section 4 Page 5 MSD SABER SERIES SHEARS SECOND MEMBER INSTALLATION Shear replaces stick MOBILE SHEAR CONTROLS CONTINUED FIGURE 4 2 BUCKET CURL SHEAR CLOSE ARM IN SHEAR IN ARMOUT SHEAROUT...

Страница 36: ...cut If the jaws are not square the rotator will backdrive to adjust to the cut OPERATING THE INTERNAL ROTATION CONTROL SYSTEM if equipped The foot switch installed in the operator s cab is used to ope...

Страница 37: ...nsure safe operation by inspecting the machine as stated in Getting Started Safely Read the Getting Started Safely section of this manual and understand it The control levers should be moved in a grad...

Страница 38: ...Page 8 Section 4 Operation MSD SABER SERIES SHEARS...

Страница 39: ...Guide Blade Shimming and Rotation 5 16 Cutting Blade Rotation Procedure 5 17 Weld in Tip Cutting Blade Rotation Procedure 5 21 Cutting Blade Shimming 5 22 General Guidelines for Build up and Hardsurfa...

Страница 40: ...heck cutting blade gap refer to manual is gap exceeds 030 75mm Inspect Saber Tip ensure it fits squarely in upper jaw Inspect cross blade for any looseness or damage Inspect hoses for wear and potenti...

Страница 41: ...olts and washers used to fasten blades Blade shims for lower shear blades not supplied with new blades Complete blade kits UPPER SHEAR Saber Tip One extra upper secondary blade All bolts washers used...

Страница 42: ...cribed in this manual 17 DO NOT disconnect any hydraulic hoses or fittings without first relieving the excavator system hydraulic pressure 18 DO NOT exert the weight of the excavator on the shear in o...

Страница 43: ...ear without a case drain line connected back to the tank or return line filter rotating shears only or the rotation component will be damaged Smaller shears MSD 1000 do not require a case drain 8 HOUR...

Страница 44: ...nspect connecting pins and pin retaining hardware _______ a Boom pivot pin of mounting bracket _______ b Cylinder connection pin of mounting bracket _______ c Front shear cylinder pin _______ d Rear s...

Страница 45: ...hydraulic components _______ a Check split flanges and fittings for looseness tighten if necessary _______ b Check hoses for wear or cracking If Rotator equipped _______ 1 Inspect all bolts connecting...

Страница 46: ...l turntable bearing bolts and replace any that are loose or damaged _______ 2 Grease the turntable bearing refer to the Rotator Maintenance section for instructions _______ 3 Inspect the rotation hydr...

Страница 47: ...member mount or cylinder pivot connection 2nd member mount Regular lubrication of the attachment is absolutely vital to proper operation and long life of the attachment The speed valve feature acceler...

Страница 48: ...grease and other contaminants 3 If necessary use the Capscrew Size Guide on this page to help determine the size of the bolt being in stalled 4 The torque values in this manual are for use with non p...

Страница 49: ...26 Rotation Assembly Bolts Page 6 3 8 26 End Cap Bolts Page 8 26 SAE Straight Thread Port Hex Head Bolts Page 8 25 Nation Pipe Thread NPT Page 8 26 For all other bolts used in the LaBounty shear use...

Страница 50: ...out To adjust the slide screws cycle the upper jaw until the slide screw is centered on the wear plate Clean the inside threads if neces sary and thread in the new slide screw until it just makes cont...

Страница 51: ...SABER SERIES SHEARS Some models 2500 have a spacer beneath the lock plate MSD 1000 1500 and 1000 1500R do not have slide screws on the right cutting blade side NOTICE FIGURE 5 5 SLIDE SCREW MAINTENANC...

Страница 52: ...threaded into the blade to prevent thread damage 5 If you are unable to dislodge the blades using these methods please contact your Stanley LaBoun ty dealer for further assistance Also note that blade...

Страница 53: ...of these fasteners Stanley LaBounty requires that blade fasteners bolts and washers be replaced with each set of new blades When using existing blade fasteners during blade rotations always inspect th...

Страница 54: ...024 0 61 mm thick and one that is 0 12 3 mm thick 4 To determine the amount of shims to use subtract the desired gap of 0 010 0 25 mm from the smallest gap that was recorded earlier See the example at...

Страница 55: ...blades more often when processing thin or non ferrous materials Frequent rotation and adjustment of the cutting blades is not as critical when processing larger materials but it will extend the life o...

Страница 56: ...s use the same size and class of bolts Refer to your Parts Catalog to order replacement bolts from your authorized Stanley LaBounty dealer 4 Cross blade and guide blade maintenance should be performed...

Страница 57: ...ed make sure to reinstall them see Figure 5 12 Replace any damaged shims Tap the face of the blade with a soft faced mallet to make sure that it seats firmly 9 Like the cross blade the guide blade can...

Страница 58: ...is reinstalled properly and then place the blades into their proper positions without shims Use a new set of blade bolts and tighten until snug Do not apply torque to the bolts yet Ensure the blades a...

Страница 59: ...ositions as you remove them This will be important when reinstalling 2 Once the blades are removed use a small grinder to clean up the edges and blade seats remove sharp burrs and smooth out deformati...

Страница 60: ...lade gap and record it 2 The whole shim set adds up to 0 125 3 2 mm If all shims can be slipped between the blades it will be necessary to replace the blades Do not shim the lower blades out more than...

Страница 61: ...s torches or thermal strip blankets POST HEAT If preheat has dropped below 400 F 200 C within 6 inches 150 mm of the weld area post heat to 400 200 C and wrap with heat blanket to allow it to cool slo...

Страница 62: ...IONS For hardsurfacing Stanley LaBounty recommends Amalloy 814H rod or equivalent It is important to al ways use a hardsurfacing weld material with a chro mium content of less than 10 percent and a se...

Страница 63: ...o the base metal of the shear upper jaw the Saber Tip can be used as a guide for build up to proper profile prior to applying new hardsurfacing If the edge of the Saber Tip has been worn it will be ne...

Страница 64: ...ond the end of the blade Taper and blend the top edge use E 7018 or E 70 series wire Apply hardsurfacing on top of the underlayment beads DO NOT APPLY HARD SURFACE DIRECTLY TO THE PARENT MATERIAL It i...

Страница 65: ...e mid point of the primary blade see Figure 5 25 5 Apply hardsurfacing on top of each of the underlayment beads Do not apply hardsurface directly to the parent material It is important to use an air o...

Страница 66: ...d extend it beyond the tip see Figure 5 26 The tip should be flush with the blades 2 Now do the same on the other side of the upper shear The tip should be flush with the front wear plate see Figure 5...

Страница 67: ...shear see Fig ure 5 29 The piercing tip should fit squarely into the lower jaw 10 When finished reworking the tip work harden it by peening the welded area until it is shiny or until the peener cannot...

Страница 68: ...f the new tip 4 Place the new tip into the seat Use a straightedge to position the tip before tacking it into place The side edge of the new tip should be flush with the face of the blade see Figure 5...

Страница 69: ...the welds flush on the sides The weld on the wear plate side should be ground flush with the front wear plate 12 If the temperature within 6 150 mm of the area has dropped below 400 F 200 C during the...

Страница 70: ...his temperature range throughout the process Temperature melt sticks are available from Stanley LaBounty 2 Air arc the old wear plate to remove it completely Please note that the upper shear has a mac...

Страница 71: ...weld and carbon residue re moved If necessary build up the edges of the cross plate before installing the new wear plates See the lower shear build up instructions in this chapter 4 Position the new...

Страница 72: ...hear should be kept square and flush with the blades Check the lower shear every 80 hours and maintain it when necessary All blade maintenance must be done before building up and hardsurfacing the low...

Страница 73: ...a 8 To hardsurface the top sides of the lower shear establish the pattern with three or four passes of build up These beads should run parallel to the blades from the nose plate back to about the mid...

Страница 74: ...dropped below 400 F 200 C dur ing the weld process post heat this area to 400 F 200 C 12 Wrap with a heat blanket and allow the welded area to cool slowly to the ambient temperature The shear should...

Страница 75: ...result in the best cut ting performance This is also a quick check to make sure that the excavator is performing up to specifica tions 3 Check all hydraulic components split flanges hoses fittings mo...

Страница 76: ...pplication Torque values listed are for general use only Check tightness of cap screws periodically Shear bolts are designed to fail under predetermined loads Always replace shear bolts with identical...

Страница 77: ...to prevent damage during installation 3 Push the flange clamps toward the flange head and screw fasteners into flange pad Continue to screw the fasteners until their heads just meet the split flange...

Страница 78: ...ith the cylinder fully retracted see Figure 5 43 If the gap exceeds the dimensions given in the table below by more than 06 it could be an early indication of required maintenance Stop shear operation...

Страница 79: ...SCHEMATIC STANDARD NON ROTATING SHEARS TO EXCAVATOR TO EXCAVATOR TO EXCAVATOR TO EXCAVATOR TEST PORT CASE DRAIN LINE HYDRAULIC MANIFOLD BLOCKS ON SHEAR HYDRAULIC MANIFOLD BLOCKS ON SHEAR SPEEDVALVE A...

Страница 80: ...ed valve on any Stanley LaBounty Saber Series Hydraulic Cylinder Reminder Always wear the proper personal protec tion equipment including the following 1 Steel toe safety shoes or boots 2 Shatter proo...

Страница 81: ...e pilot valve portion of the regenerative valve which in turn causes the valve spool to shift out of regenerative mode senses the increased pressure During this phase the rod side fluid is directed to...

Страница 82: ...RIES SHEARS SPEED VALVE ADJUSTMENT continued A MAIN SPOOL VALVE ADJUSTMENT B PILOT VALVE C PILOT VALVE HOUSING D MAIN SPOOL HOUSING Your speed valve may vary slightly from this isometric illustration...

Страница 83: ...capture all escaping fluid 5 Install the test fittings supplied with the Stanley LaBounty Digital Gauge Kit P N 169832 into the MBS and MAZ ports on the Speed Valve If the MAZ port is too difficult to...

Страница 84: ...r to the closed position six times normally and six times with the shear stalled in the closed position Moni tor the gauge attached to the MAZ carefully During normal cycling the gauge should read 400...

Страница 85: ...size and class of fastener Replacement fasteners can be ordered from the Stanley LaBounty Parts Department to ensure the correct part is used Unless otherwise specified use class 10 9 metric hex head...

Страница 86: ...MAINVALVE ASSEMBLY 7 8 9 14 7 9 8 7 MAINVALVE ASSEMBLY P N 513080 USED IN MSD 1500 2000 2500 3000 4000 AND 4500 SHEARS ITEM PART NUMBER DESCRIPTION QTY TORQUE 7 511515 Hex Nut 5 15 ft lbs 20 Nm 8 5130...

Страница 87: ...ION QTY TORQUE 2 512317 Valve Seat 1 73 ft lbs 100 Nm 4 512318 Spring Cap 1 162 ft lbs 220 Nm 11 512323 Capscrew 8 1 5 ft lbs 2 Nm 12 511514 Screw Plug 10 7 5 ft lbs 10 Nm 24 511504 Seallock Nut 1 22...

Страница 88: ...D VALVE ADJUSTMENT continued SPEEDVALVE ASSEMBLYTORQUEVALUES CHECKVALVE ASSEMBLY CHECKVALVE ASSEMBLY P N 511540 USED IN MSD 1500 2000 2500 3000 4000 AND 4500 SHEARS ITEM PART NUMBER DESCRIPTION QTY TO...

Страница 89: ...er Replacement fasteners can be ordered from the Stanley LaBounty Parts Department to ensure the correct part is used Unless otherwise specified use class 10 9 metric hex head capscrews class 10 9 met...

Страница 90: ...SPEED VALVE ADJUSTMENT continued SPEEDVALVE ASSEMBLYTORQUEVALUES MSD 7500 9500 SHEARS FIGURE 5 52 MAIN BLOCK ASSEMBLY P N 512330 USED IN MSD 7500AND 9500 SHEARS ITEM PART NUMBER DESCRIPTION QTY TORQU...

Страница 91: ...IPTION QTY TORQUE 12 512338 Screw Plug M8X1 4 7 5 ft lbs 10 Nm 13 511515 Screw Plug 7 16 20 5 15 ft lbs 20 Nm 14 512339 Seallock Nut M20X1 5 1 73 ft lbs 100 Nm 25 512342 Socket Head Capscrew M14X70 12...

Страница 92: ...e upon request ITEM PART NUMBER DESCRIPTION 1 116388 Grease Decal one at each grease fitting 2 116389 DANGER Decal on both sides Keep 75 feet away during opera tion 3 503647 DANGER Decal on both sides...

Страница 93: ...Gearbox Fill Capacities 6 5 Turntable Bearing 6 6 Turntable Bearing Lubricants 6 6 Hydraulic Requirements 6 7 Rotation Control Valve Manifold 6 7 Case Drain 6 7 Rotation Control Valve Assembly Schema...

Страница 94: ...ird member upper head assembly see Figure 6 2 below with an external drive rotator no gearbox and optional internal rotation control system MOTOR MOTOR FIGURE 6 1 HYDRAULIC PORT ROTATION PORT GREASE F...

Страница 95: ...ey should never be retorqued more than one time before they are replaced Please contact the Stanley LaBounty Service Department for specific information about replacement TORQUE VALUES FOR TURNTABLE B...

Страница 96: ...o synthetic specification Slow rotation of the shear is recommended with all grades of lubricant at temperatures below 20 F 7 C to warm up the rotation system prior to working the shear All rotating s...

Страница 97: ...SHC 80W 140 Synthetic ISO 460 104 F SYNTHETIC SPECIFICATION MOBILUBE SHC 75W 90 80W 140 Product Number SAE Number Gravity API Flash PT C F Min Flash PT C F Max 51100 6 75W 90 29 8 204 400 48 55 51101...

Страница 98: ...effectively flush out the old grease and contaminants Grease the same fitting again after rotating before moving on to the next fitting Grease each fitting a total of eight pumps of the grease gun or...

Страница 99: ...m for the rotator with two crossover relief valves and two brake valves The crossover relief valve and brake valves have been preset at the factory and require no adjustment Do not tamper with these v...

Страница 100: ...ur specific attachment ROTATION CONTROLVALVE USED ON MODELS MSD 1500R AND MSD 2000R MOTOR FIGURE 6 3 RELIEF VALVES BRAKE VALVES WORK PORTS A B SAE 8 O Ring Boss Ports GAUGE PORTS G1 G2 SAE 4 O Ring Bo...

Страница 101: ...hear s hydraulic supply manifolds to draw only enough fluid to charge the accumula tor This fluid is held in reserve until the control valve is actuated which sends the fluid to the rotation motor to...

Страница 102: ...ACCUMULATOR CONTROL VALVE ASSEMBLY if equipped CONDUIT JUNCTION BOX SOLENOID DIRECTIONAL VALVE UNLOADING VALVE RELIEFVALVE GAUGE PORT ADJUSTMENT KNOB FLOW CONTROLVALVE CHECKVALVES PRESSURE REDUCING VA...

Страница 103: ...filled with hydraulic fluid this nitrogen bladder compresses and pressurizes the accumulator When the rotator function is operated the pressurized accumulator sends the fluid to the hydrau lic motor...

Страница 104: ...LEASE To release pressure slowly open the relief valve see Figure 6 7 This will release nitrogen into the atmo sphere Close the valve when the desired pressure is reached ACCUMULATOR PRECHARGE Never u...

Страница 105: ...RESSURE FOR INTERNAL ROTATION To check the operating pressure of the Internal Rotation Control System the plug in the gauge port of the Control Valve Assembly marked with a G must be replaced with an...

Страница 106: ...R SERIES SHEARS SECTION 7 TROUBLESHOOTING Cutting Performance Troubleshooting Guide 7 2 Rotation Circuit Troubleshooting Guide 7 5 Internal Rotation Control System Troubleshooting Guide if equipped 7...

Страница 107: ...oil supply flow is too low b Hydraulic cylinder seal bypass c Hydraulic lines are kinked d Hydraulic swivel seal bypass i Check flow to shear and compare with recommended flow see hydraulic letter ii...

Страница 108: ...r replace any kinked lines i Compare with excavator s specific operating pressure ii Check the shear cylinder iii Check the shear rotation manifold if equipped iv Check the excavator hydraulic system...

Страница 109: ...ly as they were removed i Reshim blades for consistency refer to blade shimming procedure i Consult the LaBounty Customer Service depart ment for repair 8 Individual hydraulic function is slow a Pilot...

Страница 110: ...motor ii Check cartridge valve seals for damage i Replace or reseal the hydraulic motor ii To check this remove the case drain line and mea sure the amount of flow out of the case i Rebuild or replace...

Страница 111: ...faulty b Flow control valve cartridge is faulty c Valve spool sticking in valve supplying oil d Faulty electrical signal at control valve if electrically controlled e Planetary gearbox binding f Motor...

Страница 112: ...e following tools and equipment are needed Hydraulic pressure gauge 0 5000 PSI range Accumulator charge and test unit 0 1000 PSI range Volt Ohm meter Standard blade screwdriver Crescent wrench or simi...

Страница 113: ...bypassing oil e Operating flow is too low i Check electrical signal to valve coils If the electrical signal is good the coil is faulty and must be replaced ii Check continuity of valve coil i Remove...

Страница 114: ...lve cartridge is faulty d Faulty crossover relief on motor e Faulty hydraulic motor a Directional valve spool is sticking i Remove unloading valve and relief valve cartridges in control valve cartridg...

Страница 115: ...and tools for installing the fittings a set of open or box end wrenches 12mm 19mm a set of Allen wrenches 4mm 12 mm SYMPTOM PROBABLE CAUSE REMEDY 1 Shear does not shift consistently into speed mode wh...

Страница 116: ...epartment 2 A factory issued Return Goods Authorization tag RGA must accompany returned product 3 Returned product found deficient by Stanley LaBounty will be replaced or repaired without charge FOB D...

Страница 117: ...512141 ver 6 2012 The STANLEY and LABOUNTY names and logos are registered trademarks of Stanley Infrastructure Solutions...

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