Farr HD8625 Technical Manual Download Page 128 | Manualshive

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Summary of Contents for HD8625

Page 1: ...ong Specifications Operation Maintenance Assembly 2011 2012 McCoy Corporation All rights reserved Published by McCoy Corporation Technical Publications Department 14755 121A Avenue Edmonton AB Canada T5L 2T2 mccoyglobal com TECHNICAL MANUAL ...

Page 2: ......

Page 3: ...owing models NOTE Some illustrations used in this manual may not exactly match your model of tong PATENTED PATENTS PENDING TONG MODEL REV DESCRIPTION 80 0605 6 1 Tong is equipped with a two speed hydraulic motor motor valve lift cylinder valve rigid sling and safety door ...

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Page 5: ...PREADER BAR ASSEMBLY FRAME OR ANY OTHER DEVICE THAT BEARS THE PARTIAL OR TOTAL WEIGHT OF THE EQUIPMENT FOR WHICH THIS MANUAL HAS BEEN PRODUCED THE LOAD BEARING DEVICE SUPPLIED BY MCCOY DRILLING COMPLETIONS IS DESIGNED TO SUP PORT THE EQUIPMENT DESCRIBED IN THIS MANUAL MCCOY DRILLING COMPLETIONS WILL NOT GUARANTEE THE ABILITY OF THE LOAD BEARING DEVICE TO SUPPORT ANY OTHER PART ASSEM BLY OR COMBINA...

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Page 7: ...poration including its wholly owned subsidiaries McCoy all rights reserved This document is the property of McCoy and is supplied as reference information for users of our products This document and the contents within are considered confidential information not to be disclosed copied transmitted transcribed in any form or stored on any type of data storage media without the express written consen...

Page 8: ...NG 3 1 C PREVENTIVE MAINTENANCE PRACTICES 3 1 D LUBRICATION 3 2 E ADJUSTMENTS 1 BRAKE BAND ADJUSTMENT 3 7 2 DOOR LATCH ADJUSTMENT 3 7 3 SHIFTER DETENT FORCE ADJUSTMENT 3 8 F RECOMMENDED PERIODIC CHECKS 1 Door Stop Spring 3 9 2 Shifting Shaft 3 9 3 Backing Pin 3 9 4 Torque Gauge Assembly 3 9 G OVERHAUL PROCEDURES DISASSEMBLY 3 9 H ASSEMBLY PROCEDURES 3 11 I DAILY INSPECTION MAINTENANCE CHECKLIST PO...

Page 9: ... Tong Door Assembly 5 28 Safety Door Components 5 30 Rigid Sling Assembly 5 32 SECTION SIX TORQUE MEASUREMENT A BASIC TORQUE MEASUREMENT 6 1 B TROUBLESHOOTING 6 5 C PERIODIC INSPECTION AND MAINTENANCE 1 Inspection 6 6 2 Fluid Recharge 6 6 3 Reference Checking The Torque Measurement System 6 6 4 Repair And Calibration 6 7 SECTION SEVEN HYDRAULIC COMPONENT INFORMATION Table Of Contents ...

Page 10: ... Tong Jaws Following Break out Un threading 2 24 Illustration 2 H 11 Lowering Tong Using Lift Cylinder Control 2 25 Illustration 3 D 1 Cam Follower Lubrication 3 2 Illustration 3 D 2 Support Roller Lubrication 3 2 Illustration 3 D 3 Rotary Idler Lubrication 3 3 Illustration 3 D 4 Pinion Idler Lubrication Point 3 3 Illustration 3 D 5 Pinion Lubrication Points 3 4 Illustration 3 D 6 Clutch Lubricati...

Page 11: ...t conform to all policies set forth by the operating authority ies A WARNING is represented by an exclamation point within an orange triangle and contains information that will alert personnel to a potential safety hazard that is not life threatening A WARNING may also serve to alert the user to information critical to the correct assembly or operation of the equipment in use This identifies a HAZ...

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Page 13: ... the manual before installing and using your equipment Replacement parts are readily available from McCoy Drilling Completions Farr in Edmonton Alberta Note that many parts are transferable between FARR tongs and backups Should you need replacement parts or should you experience any difficulty not covered in this manual please contact McCoy Drilling Completions Farr 14755 121A Avenue Edmonton Albe...

Page 14: ...1 2 HD8625 8 5 8 35K Tong Technical Manual Specifications Illustration 1 A 2 HD8625 Power Tong Dimensions 30 53 54 1 4 ...

Page 15: ... cm Height 53 134 6 cm Width 30 76 2 cm Space Required on Pipe 8 20 3 cm Torque Arm Length 36 inches 91 4 cm Centre line of pipe to centre line of load cell Weight Approximate 1550 lb 705 kg Available Jaw Sizes See Pg 2 10 Torque Table Pressure High Gear High Speed Low Gear Low Speed PSI MPa Lbs ft Nm Lbs ft Nm 1000 6 89 200 271 9400 12745 1500 10 34 400 542 16100 21829 2000 13 78 500 678 22800 30...

Page 16: ...lity g min 360 7 60 F 0 F 16 C 18 C Copper corrosion ASTM D 4048 1B Disc brake wheel bearing specifications Ford ESA M1C 198A Yes Chrysler MS 3701 Yes Oil viscosity 40 C 104 F cSt 151 100 C 212 F cSt 19 2 Flash point F C ASTM 92 450 232 Use a premium quality hydraulic fluid that meets or exceeds the following specifications Typical Density kg m3 878 Viscosity cSt 40 C 68 8 cSt 100 C 8 7 Viscosity ...

Page 17: ...gs 1910 184 ANSI ASME B30 9 SLINGS ANSI ASME B30 10 HOOKS and ANSI AMSE B30 26 RIGGING HARDWARE for additional information DO NOT ACCESS ROTATING COMPONENTS UNLESS HYDRAULIC POWER SUPPLY HAS BEEN DEACTIVATED OR ISOLATED A CLEARLY IDENTIFIED REMOTE POWER PACK EMERGENCY STOP MUST BE INSTALLED IN THE IMMEDIATE VICINITY OF THE TONG OPERATOR Adequate setup and proper hydraulic connections are essential...

Page 18: ...dified or obscured or tamper proof nuts are missing Signs of impact on load bearing components including spreader bars lifting lugs rigid slings rigid sling weldments and legs leg mounts Broken or damaged welds Excessive wear nicks or gouges Refer to the chart below to ensure minimum thickness on chain links supplied is not be below the values listed Stretched bent twisted or deformed chain links ...

Page 19: ...llow the anti corrosive coating ample time to dry refer to manufacturer data sheets for drying times at room temperature Store in a clean dry location When returning to service note that a full inspection of the device must be performed Units designed and manufactured in accordance with EN 12079 and DNV 2 7 1 should be tested and examined in accordance with the following schedule of examination an...

Page 20: ...5 8 5 8 35K Tong Technical Manual B MAJOR COMPONENT IDENTIFICATION Item Description 1 Master Link 2 Rigid Sling 3 Rear Leg 4 Front Leg Illustration 2 B 1 Major Component Identification 01 Setup Operation 1 2 3 4 ...

Page 21: ...ration 2 B 2 Major Component Identification 02 Item Description 5 Tong Leveling Adjustment 6 Backing Pin Assembly 7 Cage Plate Assembly 8 Safety Door Guard 9 Safety Door Switch 10 Door Latch Cam Adjustment 11 Door Latch Setup Operation 5 6 9 11 7 8 10 ...

Page 22: ...om adjustment is identical 15 Brake Band top brake band shown bottom brake band is identical 16 Manual Shift Assembly 17 Torque Gauge Mount 18 Shifter Gear Train Inspection Panel 19 Hydraulic Valve Assembly 20 Hydraulic Motor 21 Motor Mount 22 Snub Line Shackle Illustration 2 B 3 Major Component Identification 03 Setup Operation 19 20 18 21 22 15 14 16 17 12 13 ...

Page 23: ...linder Valve Section Optional 10 9015 5 Outlet Section 10 0086 6 Lift Cylinder Flow Control Valve Optional 08 9062 7 Two Speed Motor 87 0007 8 Motor Shift Valve 10 9035 9 Safety Door Switch 08 0337M 10 Safety Door Check Valve 08 1625 2 9 11 Safety Door Valve Block 101 0727 12 Pressure Gauge 0 3000 PSI Optional Not Shown 02 0245 13 Check Valve Optional Not Shown 08 9022 TONG MOTOR P 8 10 11 12 13 1...

Page 24: ...2 8 HD8625 8 5 8 35K Tong Technical Manual Illustration 2 C 2 Hydraulic Component Identification 01 Illustration 2 C 3 Hydraulic Component Identification 02 Setup Operation 6 3 2 4 5 8 9 1 7 ...

Page 25: ... valve block Perform any hydraulic connection when the power unit is not running or when the hydraulic pump is disengaged The possibility of error in inter changing the high pressure supply hose and the low pressure return hose has been eliminated because the supply side coupling is smaller than the return side Illustration 2 D 1 Hydraulic Connections 01 Illustration 2 C 4 Hydraulic Component Iden...

Page 26: ...w and die systems designed for higher or lower grip or non marking applications The table lists standard flat and contoured dovetail die inserts that are available as spare parts However a wide variety of diamond tooth GRITFACE aluminium and wrap around fine tooth dies are available for specialized applications Please refer to our website for complete information http www mccoyglobal com dies inse...

Page 27: ... ensure easy handling The lower the point from which the tong is suspended the more effort will be required to move the tong to and from the connection point The suspension line may be extended over a pulley and balanced by a counterweight equal to the weight of the tong or simply tied off in the derrick to form a dead line When using a dead line arrangement it is necessary to use a FARR spring ha...

Page 28: ...ly calculating the force on the suspension line and selection of the suspension line is the complete responsibility of the customer McCoy Drilling Completions recommends using dual backup snub lines of sufficient strength to withstand the force imparted by the maximum rated torque of the tong in use Calculate the force on the snub lines by dividing the maximum torque of the tong by the tong s torq...

Page 29: ...surface of the tong Use a thin wrench on the flat of the adjusting helix to rotate the helix forcing the lift link to move towards the outer supports of the sling The 3 4 nylock nut on the pin may have to be slightly loosened to allow the helix to rotate Adjust the helix until the level shows that the tong is level side to side Illustration 2 F 3 Tong Leveling Side To Side Illustration 2 F 2 Tong ...

Page 30: ...ion of one half hour Hot bearing caps may indicate impending bearing failure Switch to low gear and operate for an additional one half hour at full speed Inspect all components and hydraulic fittings for possible defects following completion of the tests All Farr Tongs have been thoroughly tested at the factory prior to shipping but shipping damage must be identified before running the tong in an ...

Page 31: ...aulic devices on the tong assembly such as hydraulic motors and cylinders When any one valve is centered or in the detent position there is no hydraulic output from the valve When the valve is pushed forward there is an effect and when the valve is pulled back there is an opposite effect These valves feature proportional control which means that further extension of the valve handle thereby furthe...

Page 32: ... lift the tong Illustration 2 G 2 Tong Lift Cylinder Control Valve MOTOR SPEED This valve sets the speed of the two speed motor Pulling the motor speed control all the way out sets the motor speed to LOW Maximum torque is only available when the motor speed is set to LOW Pushing the valve handle towards the centre of the tong sets the motor speed to HIGH which is useful for rapidly un threading br...

Page 33: ...n the gear train frequently causes gear breakage Setup Operation 3 SHIFTING GEARS The shifting shaft has three detent positions identifying the low speed high torque position the neutral or free spinning position and the high speed low torque position The detent strength may be adjusted by releasing the locknut on the detent tube and increas ing or relaxing pressure on the detent spring Ensure the...

Page 34: ...ster link on the rigid sling must be used to suspend the tong Do not suspend the tong directly from the rigid sling THESE OPERATING PROCEDURES ASSUME THE USER HAS PROPERLY SET UP AND PREPARED THE EQUIPMENT FOR OPERATION AS PER SECTIONS 2D 2E AND 2F OF THIS MANUAL Illustration 2 H 1 Master Lifting Link THE MASTER LINK MUST BE USED TO SUSPEND THE TONG ASSEMBLY b Ensure the backing pin is in the make...

Page 35: ...r own operating policies The snub line connection point on the drill floor must be sturdy enough to absorb all applied forces when making up the joints When making up joints the load cell must be connected to the driller s side of the tong which is the left side of the tong as seen from the rear For accurate torque measurement the snub line between the tong body and the anchor must be perpendicula...

Page 36: ...oss threaded g Move the tong on to the pipe above the tubing joint Use the lift cylinder to ensure the tong jaws are at the correct location above the connection joint h Firmly close the tong door against the latch post i Begin rotation with the tong in high gear and the tong motor set to high speed high speed low torque See Section 2 G 2 to set the tong motor to high speed and Section 2 G 3 to pr...

Page 37: ...all the motor and displayed torque will increase l Stop rotation and set motor to low speed and shift to low gear low speed high torque See Section 2 G 2 for instructions for setting motor to low speed and Section 2 G 3 for shifting to low gear This will enable the tong to produce adequate torque for making up the joint to specification m Push the rotation control handle all the way in to complete...

Page 38: ...th of the tong once the jaws are free Open the tong door Note that rig person nel may be required to stabilize the tong as it completely releases from the drill string Guide the tong away from the string and use the lift cylinder control to lower it to the drill floor if desired p Repeat steps e through p until the desired number of connections are made up Setup Operation ...

Page 39: ...mbly The snub lines must be rated for the applied torque plus whatever safety margins stated by your own operating policies The snub line connection points on the drill floor must be sturdy enough to absorb all applied and potential forces e Open the tong door see Illustration 2 H 4 f Actuate the lift cylinder control valve to lift the assembly from the drill floor if necessary Pulling the valve t...

Page 40: ... on to the tubing l Un thread the connection at high speed by setting the tong motor to high speed and shifting to high gear see Section 2 G 2 to set motor speed and 2 G 3 to shift to high gear once the connection is broken m Pull the rotation control handle all the way out to completely un thread the connection Reverse the rotation control handle push toward tong to release the tong jaws from the...

Page 41: ...hread the desired number of connections H EXTREME COLD WEATHER OPERATION PROCEDURES 1 Consult the power unit engine operator s manual for all cold weather operating procedures and precautions 2 Select gear and bearing lubricants that are compatible with expected climatic conditions 3 Select hydraulic fluid that is compatible with expected climatic conditions 4 Allow hydraulic fluid to circulate fo...

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Page 43: ...y be harmful to the environment if improperly disposed of hydraulic fluid grease etc Dispose of all materials according to your company s proscribed environmental protection regulations B CLEANING Clean tong thoroughly cleaned with a good petroleum based cleaning agent after each job prior to storage Farr recommends that the motor and valve assembly be periodically removed along with the top tong ...

Page 44: ...gear prior to jaw installation Periodically remove the clutch inspection plate and apply a liberal coating of grease to the clutch drive gears and shifting shaft 1 Cage Plate Cam Followers Apply grease to the cam followers through the grease fittings recessed into the top and bottom cage plates thirteen locations top thirteen locations bottom Illustration 3 D 1 Cam Follower Lubrication Illustratio...

Page 45: ...the top of each shaft on the top of the tong two locations total 4 Pinion Idler Apply grease to the pinion idler bearing through the grease fitting recessed into the top of the half shaft located on the top face of the tong under the valve bank one location only Illustration 3 D 4 Pinion Idler Lubrication Point Illustration 3 D 3 Rotary Idler Lubrication ...

Page 46: ...ual 5 Pinion Apply grease to the pinion bearings through the grease fittings located on the bearing caps on the top and bottom faces of the tong two locations top two locations bottom Illustration 3 D 5 Pinion Lubrication Points Maintenance ...

Page 47: ...tom face of the tong and the single grease fitting recessed into the end of the clutch shaft three locations total Illustration 3 D 6 Clutch Lubrication Points 7 Motor Mount Apply grease to the motor gear clutch drive gear through the grease fitting located on the top of the motor mount one location only Illustration 3 D 7 Motor Mount Lubrication Point Maintenance ...

Page 48: ...e on the side of the tong 9 Door Lubrication Apply grease to the door latch adjustment cam through the grease fitting located in the top of the adjustment cam shaft Apply grease to the contact surfaces of the safety door switch plunger Illustration 3 D 9 Tong Door Lubrication Points Maintenance Access shifter components through this panel Lubricate safety door switch plunger contact area Lubricate...

Page 49: ... to cam properly and grip the casing Adjust the brake band using the adjustment nut and bolt set as shown in the illustration below Do not over tighten as this causes excessive wear to the brake bands 2 Door Latch Adjustment Normal operation of the tong may cause wear of the door latch which will cause the door to develop a loose fit at the latch A latch cam plate is located at the top face of the...

Page 50: ... the shifting shaft wear to the detent ball and loss of spring tension in the detent spring may result in a loose or sloppy fit within the top shifter bushing The detent pressure may be increased or otherwise adjusted by loosening the 7 16 UNF locking jam nut and turning the 7 16 UNF detent bolt Should adequate detent action not be achieved the shifting shaft detent ball or detent spring or possib...

Page 51: ...t the rigid sling with a crane Remove the rigid sling assembly by disconnecting the leveling devices from the hanger brackets and use the crane to lift the sling away from the tong Store in a protected area 3 Remove the two rigid sling hanger brackets 4 Disconnect the three hydraulic connections from the motor Undo the restraints securing the inlet and outlet lines connections to their supports an...

Page 52: ...nut sets Remove the backing pin assembly and the rear cage plate bolt and the cage plate spacers The top and bottom cage plates may now be removed Note that the cam followers are fastened to the top and bottom cage plates so use caution not to damage them 20 Remove the top nuts and pads for the rotary idler gears 21 Remove the remaining top roller shaft nuts Note that the top brake band adjustment...

Page 53: ...bs 3 8 24 375 7 875 49 ft lbs 37 ft lbs 7 16 20 4375 10 650 78 ft lbs 58 ft lbs 1 2 20 500 14 400 120 ft lbs 90 ft lbs 9 16 18 5625 18 300 172 ft lbs 129 ft lbs 5 8 18 625 23 025 240 ft lbs 180 ft lbs 3 4 16 750 33 600 420 ft lbs 315 ft lbs 7 8 14 875 45 825 668 ft lbs 501 ft lbs 1 12 1 000 59 700 995 ft lbs 746 ft lbs 1 14 1 000 61 125 1019 ft lbs 764 ft lbs 1 1 8 12 1 125 77 025 1444 ft lbs 1083...

Page 54: ... bearing PN 1234 08 01B into bottom pinion bearing cap PN 1050 89 and install bearing cap into bottom plate of tong using four 1 2 NC x 1 1 2 hex bolts and 1 2 lock washers 8 Press lower clutch bearing PN 02 0014 into clutch bearing cap PN 101 0120 and install bearing cap into bottom plate of tong using four 3 8 NC x 1 1 2 hex bolts and 3 8 lock washers 9 Install a retainer clip PN 02 0009 into bo...

Page 55: ...sh the shifting fork with the shifting collar 20 Install a retainer clip PN 02 0009 into the pinion idler gear PN 997 A2 119C Press an idler bearing PN 02 0075 into the gear and secure with the second retainer clip 21 Slide the pinion idler half shaft PN 1050 D5 105 through the pinion idler gear assembly Slide the bearing seal PN 02 0010 over the end of the half shaft and secure to the half shaft ...

Page 56: ...NC x 1 hex socket head cap screws as shown in illustration 3 H 3 Do not install fasteners at the rigid sling hanger locations indicated by the red circles or the door cylinder mounting lug location indicated by the green circle Illustration 3 H 3 Tong Assembly Top Fastener Locations 28 Install half moon idler pad PN 997 D17 109 over the end of the pinion idler shaft and secure with three 5 8 NC x ...

Page 57: ... 1 UNS nut on the shaft coincidental with the leg weldments Illustration 3 H 4 Tong Assembly Support Rollers Securing Leg Mounts Illustration 3 H 5 Tong Assembly Front Leg Installation Assembly Procedures continued 34 Re install support roller shafts i Install all support roller shafts PN 101 3939 that are NOT coincidental with the brake band lug weldments as shown in illustra tion 3 H 4 seven tot...

Page 58: ...These support rollers do not use top or bottom washers 35 Thread the top shifter bushing PN 101 0020 into the top plate over the shifter shaft until snug Thread the detent tube PN 101 0019 into the top shifter bushing as shown in illustration 3 H 7 Thread three 5 8 NC x 5 8 hex socket set screws into the remain ing three ports in the bushing these set screws are intended to be used as contaminatio...

Page 59: ... 2 lock washers 42 The LH side of the motor is secured with two 1 2 NC x 1 1 4 hex socket head cap screws and 1 2 lock washers which also secures the torque gauge holder weldment PN 1500 09 04A 43 Install shifting handle PN 1037 D 20B Secure the handle to the shifter shaft and shifter pivot lug weldment with 5 16 x 1 1 2 clevis pins Use a hitch pin on each clevis pin to ensure they do not become d...

Page 60: ...all the door pivot shoulder bushings PN 101 0110 in the door weldment assembly PN 1050 C4 10 see Pp 5 28 5 29 for correct bushing orientation 55 If not already done install the remaining support roller assembly less the shaft and fasteners between the body plates in the door pivot location 56 Align the pivot holes in the door weldment with the pivot holes in the top and bottom plates Slide a 1 1 8...

Page 61: ...ch plate PN 101 1410 onto the bottom plate of the safety switch base and guard weldment PN 101 1475 and align the bolt holes Secure to the top plate using two 3 8 NC x 2 1 4 hex socket head cap screws and one 3 8 NC x 1 1 4 socket head cap screw Note that the two longer cap screws in this step replace two of the tong s perimeter fasteners v Insert load plunger PN AE12 306 into LH safety door latch...

Page 62: ...earing cap e Install two 1 8 NPT 90o grease fittings PN 02 0093 in each pinion bearing cap four locations total f Install two 1 8 NPT 90o grease fittings PN 02 0093 in clutch bearing cap two locations total g Install one 1 8 NPT 90o grease fitting PN 02 0093 or one 1 8 NPT 45o grease fitting PN 02 0006 in the top of the motor mount h Install drive in grease fittings PN 02 0012 into the ends of eac...

Page 63: ...afety door valve block PN 101 0727 directly to the flange elbows on the hydraulic motor the block will sit on top of the motor following installation Connect the rotation control valve on the DVA35 valve assembly to the safety door block 77 Connect the safety door switch to the safety door block and hydraulic valve assembly Refer to hydraulic schematic or call McCoy Drilling Completions Farr engin...

Page 64: ...lso inspect all chains master links and turnbuckles again if any damage is noted replace the damaged part s before placing the tong in service 9 Inspect tong for signs of premature wear or moving parts that are rubbing bare metal where there used to be paint is a good indication of wear 10 Inspect backing pin s If cracked broken or bent it they must be replaced 11 Inspect top and bottom brake band...

Page 65: ...applicable inspect the load cell anchor pins tension load cell only Replace the anchor pins if cracking or metal distor tion is seen If using a stand alone power unit start it now refer to the power unit technical manual for startup procedures Listen to power unit for a moment to see if there are any unusual mechanical sounds rubbing grinding excessive pump noise If using a diesel unit allow suffi...

Page 66: ...ports safety door protectors etc 8 Perform a visual inspection of all fasteners and protruding body pieces example hydraulic valve mounts inlet outlet line supports tong legs shifter handle pivot lugs Tighten or replace loose or missing fasteners 9 Inspect tong for signs of premature wear or moving parts that are rubbing bare metal where there used to be paint is a good indication of wear 10 Inspe...

Page 67: ...erhauled to avoid further damage Replace access panel when inspection is complete 14 Inspect all jaws and dies in use for the maintenance interval Remove pin roller and inspect for signs of damage replace pins if necessary If the pins are welded in place the welds are found to be damaged remove and quarantine the jaw until the weld is repaired Clean the pins and rollers and reassemble using a libe...

Page 68: ...only If the integrity of the weld has been compromised the tong must be removed from service until the weld is repaired The load cell beam will need to be disconnected and removed so the weld is visible Before re installing the beam liberally grease the anchor pin before reinserting into the load cell beam 33 While rotating the cage plate ensure that the jaws properly cam If the jaws do not cam pr...

Page 69: ... Inspect backing pin s If cracked broken or bent it they must be replaced 7 Repair or replace any damaged or missing external body parts such as torque gauge mounts hydraulic supports safety door protectors etc 8 Inspect all paint locations in which the paint has been damaged must be repaired prior to storage Prepare areas to be painted to ensure they are free of grease dirt or solvent Touch up us...

Page 70: ...including the gear housing 15 Energize power unit and rotate the tong for a final time one minute in one direction stop and reverse the direction of rota tion for another minute this time ending with the rotary gear in the open throat position 16 Extend all hydraulic cylinders and inspect cylinder rods for signs of mechanical damage flaking or rust Farr recommends that damaged cylinders be replace...

Page 71: ...ons For best corrosion resistance the equipment should be removed from storage and exercised on a regular basis depending on the storage environment Farr recommends that for equipment stored in a salt water maritime or exposed dusty environment repeat steps 9 through 24 monthly For equipment stored in isolated storage in a non maritime environment repeat steps 9 through 24 quarterly Replace desicc...

Page 72: ...ing more than 1000 lbs 454 kg or less 1 1 4 x 0 031 metal strapping 5500 lbs 2500 kg tensile strength Minimum two straps for assemblies weighing less than 5000 lbs 2273 kg Minimum three straps for assemblies weighing more than 5000 lbs 2273 kg Before tightening strapping place strapping protectors wherever the metal strapping comes into contact with the equipment Place the wooden crate containing ...

Page 73: ...r the pipe or casing being run 16 Install load cell If using a tension load cell perform a visual inspection and replace any cracked broken or distorted compo nents including links and chains If using a compression load cell replace any component that has been crushed or otherwise distorted through compression 17 If applicable inspect the load cell anchor pins tension load cell only Replace the an...

Page 74: ...or s and attempt to rotate the cage plate at low speed low gear in both directions makeup and breakout If cage plate begins rotating the safety door mechanism is not functional and the tong must be removed from service until the safety door mechanism can be repaired If the safety door is operating correctly cage plate rotation will not be inhibited once the door is closed and latched NEVER OPERATE...

Page 75: ...r example 5 Fluid viscosity is not appropriate too high or too low Ensure hydraulic fluid being used is the viscosity recommended by McCoy Drilling Completions Power unit pump may not prime if fluid is too heavy and the hydraulic system will overheat if fluid is too light Replace with proper viscosity fluid Hydraulic fluid viscosity is affected by environmental conditions Ensure the fluid being us...

Page 76: ...ate your tong from hydraulic power and depressurize following the procedure in section 3 D j Close the tong door and remove the temporary pressure indicator Restore the safety door pressure supply line to factory specifica tions Verify that safety door is operating correctly see section 2 I 5 k Continued on next page Illustration 4 B 1 Relief Valve Troubleshooting Temporary Gauge Installation POSS...

Page 77: ... and if seat and poppet are undamaged replace relief valve spring f Reassemble relief valve g Relief valve must be re set to allow maximum system pressure Follow the procedure in Step 1 of this section to properly adjust relief valve h If maximum system pressure still cannot be reached replace the entire relief valve assembly POSSIBLE PROBLEM SOLUTION S 2 Relief cannot be adjusted to maximum syste...

Page 78: ...Safety door switch has failed Test safety door switch for proper function and replace if necessary 3 Contamination in hydraulic lines Ensure all three flexible hydraulic lines to safety door switch are free flowing 4 Pilot to open valve in safety door valve block is malfunctioning Remove each valve Inspect seats and springs Replace valve s if damage is seen on valve seats or if spring appears to b...

Page 79: ...ular unit 3 Tong motor is excessively worn and is leaking hydraulic fluid past the vanes Replace motor or rebuild as per Section 7 of this manual 4 Bearings in gear train and rotary section are excessively worn Overhaul tong See Section 3 of this manual for tong overhaul procedures 5 Shifter has malfunctioned and the tong is not shift ing to high gear Inspect and repair shift mechanism as necessar...

Page 80: ... they are rated for the diameter of pipe or casing being run 3 Incorrect dies are being used Ensure dies loaded in the jaws are appropriate for the type of pipe or casing being run 4 Brake band s is are insufficiently adjusted not allow ing jaws to cam properly Adjust brake bands to give proper resistance to cage plates 5 Jaw roller broken or worn Remove jaw assembly and inspect Replace rollers th...

Page 81: ...ifting shaft have loosened and posi tion of yoke has changed Reposition yoke and re tighten locking nuts 5 Shifting yoke has come loose from shifting shaft Inspect yoke and inspect for damage If free of damage replace on shaft and tighten locking nuts 6 Tong pops out of gear Adjust shifter detent force See Pg 3 8 7 Frozen or hard to move shifter handle Lubricate shifting shaft May require shifter ...

Page 82: ...lly in extreme climatic conditions 3 Defective packing or seals in components of the hydraulic system 4 Poor or incomplete hydraulic system training Users must be fully qualified to operate the equipment and have complete understand ing of the hydraulic system If your hydraulic troubleshooting procedures involve flow and pressure tests at the power unit McCoy Drilling Completions recommends constr...

Page 83: ...Technical Manual HD8625 8 5 8 35K Tong 5 1 Parts and Assemblies HD8625 8 5 8 35K Tong ...

Page 84: ...5 2 HD8625 8 5 8 35K Tong Technical Manual Gear Train Layout H B C D H J A K E F G ...

Page 85: ...5 13 1 D Assembly Rotary Idler Assembly See Pp 5 8 5 9 2 E Assembly Support Roller Assembly See Pp 5 4 5 5 11 F Part Rotary Gear 1 1172 D1 HT G Assembly Cam Follower Assembly See Pp 5 18 5 19 24 H Assembly Door Pivot Roller Assembly See Pp 5 6 5 7 1 J Assembly Shifter Assembly See Pp 5 16 5 17 1 K Assembly Pinion Idler Assembly See Pp 5 10 5 11 1 L Part Motor Gear 1 997 A10 149 Gear Train Layout L...

Page 86: ...5 4 HD8625 8 5 8 35K Tong Technical Manual Support Roller A B D J C E H D E F G ...

Page 87: ... 0471 D Part Support Roller Spacer 2 101 3871 E Part Bearing 2 02 0094 F Part Support Roller Internal Spacer 1 1037 C 134 G Part Support Roller 1 1037 135 H Part 1 Narrow Washer 1 1 09 5120 J Part 1 UNS Thin Nylock Nut 1 09 9167 1 Where support rollers are coincidental with brake band lug weldments upper and lower washers are not used Where support rollers are coincidental with leg mount weldments...

Page 88: ...5 6 HD8625 8 5 8 35K Tong Technical Manual Door Pivot Roller A B D J C E H D E F G ...

Page 89: ...rease Fitting 1 02 0097 B Part Door Pivot Roller Shaft 1 101 3939 C Part 1 1 8 Narrow Flat Washer 1 02 0471 D Part Support Roller Spacer 2 101 3871 E Part Bearing 2 02 0094 F Part Support Roller Internal Spacer 1 1037 C 134 G Part Support Roller 1 1037 135 H Part 1 Narrow Washer 1 09 5120 J Part 1 UNS Thin Nylock Nut 1 09 9167 ...

Page 90: ...5 8 HD8625 8 5 8 35K Tong Technical Manual Rotary Idler Assembly A B C E B D F C D G G H J F ...

Page 91: ...1 8 NPT Grease Fitting 1 02 0005 B Part 1 1 4 UNF Hex Nylock Nut 2 09 5740 C Part Idler Pad 2 997 D20 125 D Part Rotary Idler Spacer 2 1050 D5 121 E Part Rotary Idler Shaft 1 1050 D5 117 F Part Bearing Seal 2 02 0010 G Part Retaining Ring 2 02 0009 H Part Bearing 1 02 0075 J Part Rotary Idler Gear 1 997 A2 119C ...

Page 92: ...5 10 HD8625 8 5 8 35K Tong Technical Manual Pinion Idler Assembly A B C E L D F K G J G H ...

Page 93: ... Part 1 1 2 UNF Hex Nylock Nut 1 09 5740 C Part 5 8 UNC x 2 Hex Bolt 3 09 1234 D Part 5 8 Lock Washer 3 09 5114 E Part Idler Pad 1 997 D17 109 F Part Pinion Idler Half Shaft 1 1050 D5 105 G Part Retaining Ring 2 02 0009 H Part Bearing 1 02 0075 J Part Pinion Idler Gear 1 997 A2 119C K Part Bearing Seal 1 02 0010 L Part Bearing Retainer 1 02 0008 ...

Page 94: ...5 12 HD8625 8 5 8 35K Tong Technical Manual Pinion Assembly A B C E A D F B D G H E C ...

Page 95: ...Part 1 8 NPT 90 DEG Grease Fitting 4 02 0093 B Part 1 2 NC x 1 1 2 Hex Bolts 8 09 1170 C Part 1 2 Lock Washers 8 09 5110 D Part Pinion Bearing Cap 2 1050 89 E Part Pinion Bearing 2 1234 08 01B F Part High Pinion Gear 1 997 A4 87B G Part Pinion Gear Shaft 1 997 A7 86B H Part Low Pinion Gear 1 997 A5 88 ...

Page 96: ...5 14 HD8625 8 5 8 35K Tong Technical Manual Clutch Assembly A B C D K T U V J L S P M N R E F G H K Q ...

Page 97: ...p Bearing Retainer 1 997 HT 59 H Part Bearing Retainer Spacer 1 101 5312 J Part High Clutch Gear 1 997 HT 51B K Part Needle Roller Bearing 4 02 1404 L Part Shifting Collar 1 997 HT 62 M Part Splined Clutch Shaft 1 997 HT 50 N Part Low Clutch Gear 1 997 HT 52 P Part Bottom Clutch Spacer 1 997 99 Q Part Bottom Clutch Bearing 1 02 0014 R Part Clutch Bearing Cap 1 101 0120 S Part 3 8 Lock Washer 4 09 ...

Page 98: ...5 16 HD8625 8 5 8 35K Tong Technical Manual Shifter Assembly A B C D E F G J H K L M N P Q R S ...

Page 99: ... Detent Spring 1 997 0 64 G Part 5 8 UNC x 5 8 Hex Socket Set Screw 3 09 2011 H Part Shifting Shaft 1 101 2816 J Weldment Shifting Fork Weldment 1 997 HT 72 K Part 5 8 UNF Hex Nut 1 09 5914 L Part 5 8 UNF Hex Jam Nut 1 09 5915 M Part Lower Shifter Bushing typically welded to bottom plate 1 1064 B1 95 N Part 3 8 UNC x 1 Hex Bolt 4 09 1046 P Part 3 8 Lock Washer 4 09 5106 Q Part 5 16 x 1 1 2 Clevis ...

Page 100: ...5 18 HD8625 8 5 8 35K Tong Technical Manual Rotary Assembly A B C D E F G H J K M N L T V P Q R S U ...

Page 101: ...g 24 02 0012 G Part 7 8 Standard Nylock Nut 24 09 9177 H Part Cam Follower 24 02 0107 J Part Cage Plate Spacer 3 1050 C3 38 K Part Rotary Gear 1 1172 D1 HT L Part Cage Plate BOTTOM 1 1050 22HT M Part 1 2 Narrow Flat Washer 3 09 5119 N Part 1 2 UNC Thin Nylock Nut 3 09 5610S P Part Backing Pin Knob 1 02 0017 Q Part 3 8 UNF x 2 Threaded Stud 1 101 4097 R Part Backing Pin Spacer 1 101 4096 S Part Bac...

Page 102: ...5 20 HD8625 8 5 8 35K Tong Technical Manual Tong Leg Weldments A C D E F H G J B ...

Page 103: ... 997 D8 160A B Weldment LH Leg Weldment 1 101 0162 C Part Regular 7 8 Flat Washer 1 09 5022 D Part 7 8 UNC x 1 1 4 Hex Socket Head Cap Screw E Weldment RH Leg Weldment 1 101 0163 F Part 1 Narrow Washer 1 09 5120 G Part 1 UNS Thin Nylock Nut 1 09 9167 H Part 3 8 NC x 2 Hex Bolt 4 09 1054 J Part 3 8 Carbon Steel Lock Washer 4 09 5106 ...

Page 104: ...5 22 HD8625 8 5 8 35K Tong Technical Manual Hydraulic Supports A J B C D E C F G H N P F K L M ...

Page 105: ...le Plate Discharge Line Support 1 101 0277 F Part 3 8 Carbon Steel Lock Washer 4 09 5106 G Part Discharge Line Support Mounting Plate 1 101 0023 H Part Discharge Line Support Mounting Base 1 101 0021 J Part 1 2 Carbon Steel Lock Washer 2 09 K Part Adjustable Plate Inlet Line Support 1 101 0022 L Weldment Inlet Line Support Mounting Base 1 101 1138 M Part 3 8 UNC Thin Nylock Nut 6 09 N Part 3 8 Nar...

Page 106: ...5 24 HD8625 8 5 8 35K Tong Technical Manual Motor Motor Mount A B C D E J F G H Q K P L M N ...

Page 107: ...r 1 997 A10 149 G Part 3 8 NC x 3 8 Hex Socket Set Screw 2 09 0106 H Part 1 2 NC x 1 1 2 Hex Socket Head Cap Screw 4 09 J Part 1 8 NPT 90 DEG Grease Fitting 1 02 0093 K Part 20 1 1 4 JIC 1 Flange Elbow 2 02 9216 L Part 0 148 x 2 938 Hitch Pin 1 M Part 20 1 1 4 Split Flange Kit 2 02 9217 Part O Ring 1 Part 20 1 1 4 Split Flange 2 Part 7 16 Lock Washer 4 Part 7 16 NC x 1 1 2 Hex Bolt 4 N Weldment To...

Page 108: ...5 26 HD8625 8 5 8 35K Tong Technical Manual Brake Bands A B C D E F G H J ...

Page 109: ...06 C Part Brake Band Retainer 2 101 0140 D Weldment Lined Brake Band Weldment 2 1050 D4 29 E Weldment Brake Band Lug Weldment Top Right Bottom Left 2 101 0096 F Weldment Brake Band Lug Weldment Bottom Right Top Left 2 101 0083 G Part 3 8 Narrow Flat Washer 4 09 5124 H Part 3 8 UNC Thin Nylock Nut 4 J Part 3 8 UNC x 1 1 4 Hex Bolt 4 09 1048 Brake Bands ...

Page 110: ...5 28 HD8625 8 5 8 35K Tong Technical Manual Door Assembly A C A B D E F M G H J K U Q R T V P B N W X S L ...

Page 111: ... 2 x 1 3 4 Hex Bolt 1 09 2172 K Weldment Door Latch Weldment 1 1050 15 L Part Latch Spring 2 997 16 M Part Switch Guard Top Plate 1 101 1474 N Part Door Pivot Support Roller Shaft 1 101 3940 P Part 1 2 x 1 2 Hex Socket Shoulder Bolt UNC 2 02 0973 Q Assembly Safety Door Latch Switch Assembly Pp 5 30 5 31 1 R Part 1 2 Narrow Flat Washer 2 09 5119 S Assembly Door Cylinder 1 101 0069 T Part 1 1 8 Narr...

Page 112: ...5 30 HD8625 8 5 8 35K Tong Technical Manual Safety Door Option A B C D K J R H N H M Q E F G H L P S ...

Page 113: ... Safety Door Latch Spacer 1 101 1411 G Part 3 8 UNC x 1 1 2 Hex Bolt 1 09 1553 H Part 3 8 Carbon Steel Lock Washer 6 09 5106 J Part Safety Door Latch Plate 1 101 1410 K Part 3 8 UNC x 1 Hex Socket Flat Countersunk Cap Screw 3 09 4046 L Part 3 8 UNC x 3 4 Hex Bolt 4 09 1044 M Part Switch Guard Top Plate 1 101 1474 N Part 1 4 NPT JIC 90 degree elbow 2024 4 4 3 08 0284 P Part Safety Door Switch 1 08 ...

Page 114: ...5 32 HD8625 8 5 8 35K Tong Technical Manual Rigid Sling Assembly A B C D E J K L Q P F G H N R M ...

Page 115: ...H Part 3 8 Helical Lock Washer 4 09 5106 J Weldment LH Rigid Sling Bracket 1 101 0113 Weldment RH Rigid Sling Bracket 1 101 0115 K Weldment Level Adjustment Bolt 2 1053 C 1L L Part 3 4 UNC Hex Nut 2 09 5818 M Part Rigid Sling Pin 2 1053 C 1C N Part 3 4 NC Nylock Nut 1 1429 39 02 P Part 3 16 Hitch Pin 4 02 0028 Q Part 1 2 UNC x 1 1 2 Hex Bolt 4 09 1170 R Part 1 2 Lock Washer 4 09 5110 Rigid Sling A...

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Page 117: ...e and remains at the point of highest torque until manually reset Note that every model of tong and tong and backup assembly has a unique arm length and the torque gauge must be calibrated for that arm length Torque gauges that are not calibrated for the arm length of the tool in service will not display correct torque To ensure correct torque measurement ensure the arm length or handle as display...

Page 118: ...SED IS FULLY DEPENDANT UPON THE ARM LENGTH AND TORQUE RANGE OF THE EQUIPMENT IN USE THE PART NUMBERS LISTED IN THE FOLLOWING TABLE ARE CORRECT FOR ACCURATELY MEASURING TORQUE USING THE EQUIPMENT FOR WHICH THIS MANUAL IS SUPPLIED BASIC TORQUE MEASUREMENT Continued The images on the preceding page are for illustration purposes only and may not accurately represent the torque gauge and load cell that...

Page 119: ...application specific tension load cells A B C D E F G H H J K L M Item Type Description Assembly Tension Load Cell 4 08 in2 A Part 1 4 NC x 1 2 Binding Head Machine Screw B Part Stat O Seal C Part O Ring D Part O Ring E Part Load Cell Piston F Part Flange Gasket G Part Load Cell End H Part Load Cell Rod J Part Wiper K Part O Ring L Part Load Cell Body M Part 3 8 NC x 3 8 Cup Point Hex Set Screw Se...

Page 120: ...ard Turn Counter Encoder Mount 1 60 0001 A Part 6 32 x 3 8 Hex Socket Head Set Screw 4 B Part Helical Flexible Encoder Shaft Coupling 1 60 0130N C Part Internal Retainer Ring 2 1376 13 D Part Bearing 2 1376 05 E Part Encoder Housing 1 1392 104A F Part Internal Retainer Ring 1 02 0436 G Part Encoder Shaft 1 1392 103A 01 H Part Encoder Gear 1 01 0320A M J Part 10 24 x 1 1 4 Hex Socket Head Set Screw...

Page 121: ...ge with gauge properly calibrated for the load cell in service 3 Symptom Gauge indication unexpectedly low Possible Problem Insufficient hydraulic fluid Solution Recharge hydraulic fluid see Section 6 C NOTE Ensure any breaches in the hydraulic system between the load cell and torque gauge are repaired to prevent further fluid loss Possible Problem Obstruction in hydraulic hose Solutions Check hyd...

Page 122: ...ing in a shop or location removed from the drill floor within range of a crane This is a reference check and not a calibration Calibrations must be performed at an authorized calibration facility Tension Load Cell a Locate a known weight in the range of approximately 500 to 1000 lbs 227 to 455 kg and move the weight next to the tong and backup assembly b Remove the tension load cell from the tong ...

Page 123: ...d weight This is a calculation that must be performed using imperial units eg pounds and feet The calculation is KNOWN WEIGHT x ARM LENGTH in feet For example if the arm length is 36 inches and the hoisted weight is 1000 lbs the calculation is 1000 x 36 12 3000 Therefore the expected indication on the torque gauge should be 3000 lbs ft 4 Repair And Calibration Return the load cell and indicator ga...

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Page 125: ...nformation contained in this section has been obtained from publicly available web sites and has been provided for information purposes only McCoy Drilling Completions does not guarantee the accuracy of the information contained in this section All original copyrights claimed by the manufacturer s apply ...

Page 126: ... 51 lbs All available displacements of standard motor Spool valve shift from full to partial displacement Standard shift ratio is 2 1 Some special ratios available Shift on the run Typical applications winch track and wheel drives 15 Series Retractable Weight 61 lbs Shaft easily retracted from driven mechanism while allowing full torque through SAE C mount Manual rear knob for fast easy disengagem...

Page 127: ...sely affect seal life while accelerating oxidation and fluid breakdown Fire resistant fluids may be used with certain limitations Contact Rineer for additional information CASE DRAIN The 15 Series Motor is designed for either internal or external case drain Two case drain ports are supplied When using internal case drain simply plug the two ports When using external case drain use the port at the ...

Page 128: ...PORT A 5 91 9 0 2 18 5 80 24 50 1 62 EFF KEY 1 0 5 000 4 998 1 250 1 248 313 315 7 80 PORT A 5 40 1 3 OPTIONAL SHAFT 1 8 2 2 REAR VIEW SAE 14T 12 24 PITCH FLAT ROOT SIDE FIT INVOLUTE SPLINE ALTERNATE PORT A 1 1 4 O RING BOSS ALTERNATE PORT B 1 1 4 O RING BOSS 1 2 13UNC x 1 2 DP 3 8 O RING BOSS CASE DRAIN 2 PLACES SAE STD 1 25 4 BOLT FLANGE NEAR AND FAR SAE 1 4 O RING BOSS 1 4 O RING BOSS 9 16 DIA ...

Page 129: ...ected to port D The motor is in full displacement when port D is pressurized and port C is vented to tank The motor is in partial displacement when port C is pressurized and port D is vented to tank OPEN DURING CROSSOVER SPOOLS Open during crossover spools allow port A to be directly connected to port B when the spool is shifting between full and partial displacement Motors with 62 or 65 designati...

Page 130: ...ER 9 5 CID 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 500 1000 1500 2000 2500 3000 PRESSURE psid TORQUE ft lbf 0 10 20 30 40 50 60 70 80 90 100 POWER HP 1700 RPM 100 RPM 1700 RPM 900 RPM 300 RPM 100 RPM 500 RPM 1300 RPM RPM 11 5 C I D ACTUAL TORQUE AND POWER 11 5 CID 0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 500 1000 1500 2000 2500 3000 PRESS...

Page 131: ...ctable 53 API Thread Bearing Package Selection Seal Package Selection Special Code Designator 331 Breesport San Antonio Texas 78216 210 341 6333 Fax 210 341 1231 e mail sales rineer com Applications Rineer Hydraulics Inc warrants that at the time of shipment to Purchaser our product will be free of defects in the material and workmanship The above warranty is LIMITED to defective products returned...

Page 132: ...al Manual Hydraulic Components Standard Motor Two Speed Motor HYDRAULICS INC HYDRAULICS INC R M A N U F A C T U R E R OF HYDRA U L I C M O T O R S 15 Series Repair Manual 331 BREESPORT SAN ANTONIO TX 78216 210 341 6333 FAX 210 341 1231 ...

Page 133: ...Technical Manual HD8625 8 5 8 35K Tong 7 9 Hydraulic Components ...

Page 134: ... 10 32 bolts 2 Pry off seal plate with screw driver Loosen and remove 8 each 3 8 bolts with 5 16 socket head wrench 1 Press shaft out of bearing box 2 Proceed to step 9 disregarding steps 11 12 1 Loosen clamp screw in lock nut 2 Unscrew lock nut and remove Lift up on the bearing box to remove from motor 1 Two of the 3 8 bolt holes are provided with jack screw threads 2 Insert a piece of 1 4 round ...

Page 135: ...e down 2 Secure the motor prior to loosening the 5 8 11 bolts With the seal plate removed press shaft and ball bearing out of front housing 1 Remove snap ring from shaft 2 Press shaft out of bearing 1 Replace plate on rotor stator cartridge 2 Turn rotor stator cartridge over 3 Repeat steps 14 15 1 Remove o ring and springs with a small screwdriver 2 Remove dowels pins 1 Place cartridge on any obje...

Page 136: ...with the vane selection The design allows the vane to lean slightly in the slot providing the required mechanical seal Note Measure the rotor and stator length to the fourth decimal point and supply measurement when ordering rotor stator or vanes STATOR Normal wear results in polishing of cam form which does not impair motor performances Noticeable wear may be apparent along the corner of one side...

Page 137: ...in the front housing 3 Press seal plate into front housing 4 Install snap ring 5 Proceed to step 30 1 Install main body o ring into front housing 2 Install ball checks into front housing 3 Place a small amount of grease over ball checks and o ring 4 Wipe off excess grease 1 Place rotor stator cartridge onto rear housing 2 NOTE Make sure assembly marks from step 3 are lined up 1 Install dowel pins ...

Page 138: ...ke sure they are pressed completely against bearing shoulders 4 Coat inner race of large cone with 609 green Loctite and press cone onto the shaft Make sure the cone is completely against the shoulder of the shaft 5 Insert shaft and large cone into bearing housing 6 Coat inner race of small cone with 609 green Loctite and press small cone onto shaft 7 Apply 272 red Loctite to the clampnut threads ...

Page 139: ...ed for bolt threads and o ring retention Pennzoil 707L RED Shaft seal assembly lube Mobilgrease special with Moly Seal Kits Standard 15 series seal kit 0150940 Standard 15 two speed seal kit 0150940 Standard 15 wheel motor seal kit 0150936 331 Breesport San Antonio Texas 78216 210 341 6333 Fax 210 341 1231 e mail sales rineer com WHEEL MOTOR STANDARD MOTOR TWO SPEED MOTOR ...

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Page 141: ...Technical Manual HD8625 8 5 8 35K Tong 7 17 Hydraulic Components ...

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Page 147: ...Technical Manual HD8625 8 5 8 35K Tong 7 23 Hydraulic Components ...

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Page 149: ...Technical Manual HD8625 8 5 8 35K Tong 7 25 Hydraulic Components ...

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Page 151: ...Technical Manual HD8625 8 5 8 35K Tong 7 27 Hydraulic Components ...

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Page 155: ...erated at port 3 must be greater than the sum of the forces acting at port 1 and port 2 plus the spring force for the valve to open NOTE The pilot area port 3 is 1 8 times the area at port 1 and 2 25 times the area at port 2 Technical Features Because these valves are unbalanced operation is pressure dependent Opening and closing of the poppet are functions of the force balances on three areas 1 P...

Page 156: ... Data U S Units Metric Units Cavity T 17A Capacity 60 240 L min Area Ratio A3 to A1 1 8 1 Area Ratio A3 to A2 2 25 1 Maximum Operating Pressure 5000 350 bar Maximum Valve Leakage at 110 SUS 24 cSt 10 10 drops min 70 bar Pilot Volume Displacement 15 2 5 cc Series from Cavity 3 U S Patent 4 795 129 Valve Hex Size 1 1 4 31 8 mm Valve Installation Torque 150 160 200 215 Nm Seal Kits Buna 990 017 007 S...

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