Hydraulic Quick Coupler Installation Instructions
Contents
1. M C FAULKNER AND SONS INC HYDRUALIC QUICK COUPLER INSTALLATION AND OPERATING INSTRUCTIONS M C Faulkner and Sons Inc 28 Hague Road Buxton ME 04093 Ph 207 929 4545 Fax 207 929 4560 Web site www mcfaulkner com WARNING Use extreme caution when working on or around heavy equipment Persons and equipment must be positioned so as to prevent injury from contact with moving machinery or falling objects Worn damaged improperly assembled or abused equipment may pose a severe hazard to persons or property Do not use this equipment if it is damaged or in need of maintenance Read and abide by all safety warnings and instructions supplied with your particular piece of machinery Limit of Liability M C Faulkner and Sons Inc Hydraulic Quick Couplers are designed and manufactured to our customers specifications Like all custom attachments they can apply an increased tipping moment and could have other unknown effects on your machine These effects can be adverse and in some cases result in damage to your machines mechanical or hydraulic systems including catastrophic failure and or machine upset Due to the wide variety of attachment types conditions and applications etc it is impossible for M C Faulkner and Sons Inc to functionally test all of its products and develop specific operating procedures and capacity ratings It is the owner s responsibility to test their custom attachment and determine its capacity sui2. E B Bucket Shafts EMT LN C Lifting Eyes EL bags N p D Locking Wedge PY A4 E Bucket Rear Hook e f NX F Hooks for gripping attachment Ny Y The Hydraulic Quick Coupler consists of a flat plate assembly which is fitted to the arm end and the bucket link There are two hooks F on the plate for the front pins B on the bucket The hydraulic quick coupler is equipped with a double acting hydraulic cylinder The quick coupler locking wedge D is fitted to its piston rod Pilot pressure acts on the piston of the lock cylinder locking the attachment in place against the rear hook E This means that the lock wedge adjusts itself and provides gap free locking When the lock wedge D is released the pilot pressure is transferred to the piston rod side If necessary the release pressure can be increased by loading the bucket cylinder in its end position There is a red indicator pin A on the left side of the hydraulic quick coupler It is pulled in when the locking wedge is in the locked position and pushed out when the locking wedge is released There is a lifting eye C on the hydraulic quick coupler With the bucket removed the permitted load increases and the operator s field of vision is improved WARNING If the alarm sounds or the warning light comes on during operation THE BUCKET MAY FALL OFF IMMEDIATELY PLACE THE MACHINE ARM AND BUCKET ON THE GROUND DO NOT OPERATE THE MACHINE U
3. correct position 3 While the machine is running and the wedge is extended turn the hitch control main power switch ON Make sure the warning light is on and the alarm is sounding If either the warning light or the alarm are not working go back and correct the problem before proceeding 4 Now press the UNLOCK switch and hold While the UNLOCK switch is being held the wedge will slowly retract When the switch is released the wedge will slowly extend DANGER When attaching or disconnecting a quick coupler from an attachment no one should be in the work area 14 Adjustment of Hydraulic Quick Coupler Ay Wo oa A Nh PA dl ARA A Shims E LUE nh _ d m B Bucket Hook a i M a a C Lock Wedge i Wi Pa j D Vertical Stops ye As p E Spacer plates a Was F Tool attachment hooks C lA g B Al WARNING It is very important that the Hydraulic Quick Coupler be shimmed for proper fit to your specific machine Improper shimming can result in damage to the Quick Coupler and could result in personal injury or death 1 Remove any shims between screw holder D and the mating plates 15 2 Hook the bucket on and lock it in place following the instructions for installing the bucket see page 3 3 Check the lock wedge C Drawing 1 and 2 item D in drawing 3 position and the way the attachment butts up against the mating plates 4 Calculate any adjustment to the
4. digging b Operate the bucket cylinder in and out to ensure the locking wedge D is securely seated If you are not sure with the bucket or other attachment on the ground check that the locking wedge D has gone into the hook Removal of the bucket or other attachment 1 Position the machine on flat firm level ground and have the bucket or other attachment resting on the ground 2 Turn the quick coupler main power switch ON making sure the warning light is on and the alarm is sounding 3 Press the unlock switch and hold in position With the unlock switch held in place the wedge will slowly retract 4 When the red indicator pin A is completely extended carefully free the bucket from the quick coupler by operating the bucket cylinder to its end position bucket out If the red indicator pin is not extended increase the hydraulic pressure to the lock cylinder by carefully moving the bucket cylinder to its end position bucket in and keeping it under pressure for about a second 5 Disconnect the bucket by moving the arm outward and raising the boom How it works 1 Pilot pressure is supplied to the coupler at all times This keeps the wedge locked in at all times There is a spring inside the cylinder on the coupler which keeps the wedge locked into the implement when the machine is not running or in the event of a loss of hydraulic pressure 2 When the main power switch is turned on an alarm will sound in th
5. NTIL YOU HAVE INSPECTED THE HITCH SYSTEM TO DETERMINE AND CORRECT THE FAILURE INSTALLATION OF BUCKET Le BO fh wE NESA e MR its sn L AST A i r y y if NE Y gt A Indicator Pin at af eX _ B B Bucket Shafts rik 1 den Br C Lifting Eyes 7 Ep al s ait am A F D Locking Wedge C E ii Ror Al E fe E Bucket Rear Hook is 8 PAN F Hooks for gripping E 977 A PON attachment F Y D d 1 Turn the Main Power switch on the alarm will sound 2 Turn the unlock switch on 3 Check that the indicator pin A is fully extended There is an indicator pin A on the side of the quick coupler which is pulled in when the locking wedge is in the locked position and pushed out when the locking wedge is released 4 Operate the excavator arm into position so the 2 hooks on the quick coupler hook on the front bucket shafts B of the bucket or other attachment 5 Turn the quick coupler slowly towards the bucket by moving the bucket cylinder until the quick coupler matches up correctly against the bucket or other attachment 6 Check that the quick coupler is correctly aligned against the edge of the bucket 1f necessary adjust with arm or boom movements 7 Check that the indicator pin A is completely pushed into the quick coupler 8 Perform the following checks to ensure the bucket or other attachment is fully engaged a Press the bucket to the ground with the teeth facing downward as if to start
6. e cab of the machine and the red warning light will come on in the hitch control box When the unlock switch is depressed the wedge will retract and the implement can be removed When the unlock switch is released the locking wedge will extend out to the locked position DANGER When attaching or disconnecting a quick coupler from an attachment no one should be in the work area Installation must be done by qualified personnel DANGER Read all these instructions before starting your installation Completing EVERY step of these instructions is extremely important Testing the coupler alarm and safety systems is critical for operator safety Failure to complete and test every step may result in injury damage to property and or damage to the quick coupler or death Ensure that all personnel have read and understand the information in this installation and user manual before attempting to install maintain and or operate this quick coupler Hydraulic Quick Coupler Control Installation Included in the installation kit for your hydraulic Quick Coupler is Hydraulic Valve Manifold Block Most of the hoses and fittings you will need to install the hydraulic side of the coupler control Hitch Control Box Alarm You will need to make up some hoses and supply some adapter fittings that are specific to your machine Please refer to the drawing on page 11 of these instructions 1 Install the coupler control valve near th
7. e main pumps on your excavator 2 Install Y4 hose from the pump side of the pilot control manifold to the PS port on the coupler control valve 3 Install Ys hose from the T port on the coupler control valve to the excavator s tank 4 Install a 14 hose from the excavator s main pump which controls the bucket curl to the P3 port on the coupler control valve Most machines have a test port on the main pump this is a good place to T into 5 Install a Y4 hose from the A port on the coupler control valve down the boom to the boom manifold block 6 Repeat step 5 for the B port 7 The two lines coming from the coupler will hook to the two ports left on the boom manifold block DANGER Shut off valves MUST NOT be installed on the hydraulic hoses leading to the quick coupler cylinder If the pressure in the cylinder drops the bucket or other attachment may fall off 10 IAS _N ASM ye oma ae Lan dS M 4s oma 09 SNOS ONY YINMINVA DN alo o ae mall 9075 S amo NONA NOISSINI3d NIZA LNOHLIM Q3LIGIHONd SI ISN OD SNOS ONY Y3IIdNOD DNNVYGAH YOY paw OW JO ALYIJAOYA 3HL 3HY ONIGWNId INMVIDAH 03191430 SNOISN3NIO ONY SONIMWJO SNOS Y Y3INMINVI J a 19V4133 ON31X3 219018 CIOSINVA NOO8 a BEER ERA A 23 dWNd JAIVA IOYLNOO 3314M09 JAIWA 1OY1NOD 10 ld ANIHOVAW 11 Electronic Hitch Controller 1 Install the Hitch control box in the opera
8. plate shims as follows a Remove the bucket in accordance with the instructions for removing the bucket see page 4 b Fit the necessary number of shims beneath the mating plates Use thicker shims if the locking wedge goes too far into the hook Use thinner shims if the locking wedge does not go far enough into the hook c Install the bucket per the instructions on page 9 d Measure and install the necessary number of shims between the screw holder D and the mating plate Please refer to the attached drawing D WEDGE SHUULD HAVE MINIMUM 2 3 ENGAGEMENT INTO HOOK C LN Mh ES APROX 1 2in OF CLEARANCE FROM FACE OF WEDGE TO THE x INSIDE REAR WALL OF COUPLER Y D LA hn LU HH TT WEDGE RUNNER C LIFTING EYES D LOCKING WEDGE E BUCKET REAR HOOK WEDGE ENGAGEMENT DIAGRAM HYDRAULIC COUPLER 16
9. tability correct use and to evaluate the need for extra counterweights or other modifications before putting into service It is also the owner s sole responsibility to provide specific operating procedures and revised lifting charts for their machine and ensure compliance with OSHA and or other regulatory bodies Owner Operators and Installation Instructions Hydraulic Quick Coupler Index Hydraulic Quick Coupler overview page 2 Bucket Installation page 4 Bucket Removal page 5 How the Quick Coupler works page 6 Hydraulic Quick Coupler Control Installation page 7 Electronic Hydraulic Hitch Controller page 10 Testing the Quick Coupler page 12 Adjusting and Shimming the Quick Coupler page 13 M C Faulkner and Sons Inc 28 Hague Road Buxton ME 04093 Phone 207 929 4545 Fax 207 929 4560 www inctfaulkner com DANGER Read all these instructions before using your hydraulic quick coupler Completing EVERY step of these instructions is extremely important Testing the coupler alarm and safety systems is critical for operator safety Failure to complete and test every step may result in injury damage to property and or damage to the quick coupler or death Ensure that all personnel have read and understand the information in this installation and user manual before attempting to install maintain and or operate this quick coupler Hydraulic Quick Coupler A A a Lah 30 a B A Indicator Pin fi et i al
10. tor s cab where it can be easily accessed by the operator 2 Install the alarm in the operator s cab behind the seat 3 Locate two 24 volt supply lines from the machine s fused power supply 4 Connect the green wire from the hitch control box to a 5 amp 24 volt power supply when the the ignition switch is ON 5 Connect the yellow wire from the hitch control box to a 10 amp 24 volt power supply when the ignition switch is ON 6 Connect the violet wire to the alarm 7 Connect the red and black wire to the coupler control valve Please refer to the schematic on the following page 12 DPS ESO CEA 09 SNOS ANY JINMINVI DN al uml all 907 S S amo MOY3 NOISSINIIA NALUYM LNOHIM OALIBIHOYA Si ISN OO SNOS ANY 4314N09 NNYYAAH O M OW JO ALYIAOYA 3HL Juv ANVIIVIO ONINIM 03191430 SNOISNINIO ANY SONIMVO Wav IV NI Avyc dWV OL MOTISA NI Av dWV S N3349 HOLIMS MOO INN LHON HOLIMS ONINIVM XYIMOd NIVA O TOYLNOD HOLIH 13 Testing the Coupler When all the Hydraulic and Electrical connections have been completed proceed as follows 1 Start the excavator Inspect all the hydraulic connections for leaks 2 While the machine is running check the wedge on the coupler to make sure that it is fully extended If it is in the fully retracted position then the A and B lines on the control valve must be reversed Fully Extended Wedge
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