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1. 40 41 35 Bobcat 40140 T40170 Service Manual V2 Boom T40170 SPECIFICATIONS Introduction As a result of the design and construction of the new boom the load charts of the T40170 have been consider ably improved Greater work area for the same capacity as before Greater elevation heights Detailed specifications General Value On stabilisers Reference 4000 Kg 17430 mm 2500 Kg 13670 mm 560 Kg Max elevation height Capacity at max height Max reach On tyres 17180 mm 1250 Kg 13730 mm 0 Kg 10970 Kg Capacity at max height Max reach Empty weight C2DL Self Leveling Side Shift of the Load 4 4 Self leveler Stabilisers 12 12 1792 Standard tyres DUNLOP 400 80 x 24 156 B Hydrostatics On front axle 3x2 On front axle Power at 2200 RPM ISO 14376 Max torque Bobcat T40140 T40170 Service Manual V2 Boom Hydrostatic Transmission Reference Value Hydrostatic pump Pump type Variable displacement pump Location On the flywheel housing of the diesel engine From 0 to 75 cm 450 20 bar Displacement Maximum operating pressure Hydrostatic engine SAUER Variable displacement pump Manufacturer Pump type Attached to the transfer case of the front axle From 160 to 38 cm 450 20 bar
2. 2 29 TAMAQ OMSB ORS pest 29 EE 30 ROO 30 COACH Ce LM ieee tee rd M ECL ADS 30 Meri EG nc pA PR RO HH HEEL E 31 OAC 31 boad 32 Self leveling and side heen 32 ESD ATU Ul SIO e ERN 33 27 Bobcat T40140 T40170 Service Manual V2 Boom 140140 SPECIFICATIONS Introduction Hydrostatic Transmission As a result of the design and construction of the new boom the load charts of the T40140 have been consider ably improved Hydrostatic pump Greater work area for the same capacity as before SAUER Greater elevation heights Pump type Variable displacement pump Location On the flywheel housing of the diesel engine Displacement From 0 to 75 cm Detailed specifications Maximum operating pressure 450 20 bar Hydrostatic engine General Manufacturer SAUER Reference Value On stabilisers Pump type Variable displacement pump Location Attached to the transfer
3. 7 Glide angle WONTON The padls scs 7 UU UT UM 8 Mechanical Kinematics or the 8 Tensioner for lower m lr 8 UDNE CNAIN EO ODD LEE 9 miei Wires darin iie o mtar aeoo pater 9 PECTIC e DE OS ET 10 giiuudzoni uxo 10 10 1 Bobcat T40140 T40170 Service Manual V2 Boom NEW BOOM Introduction Stronger boom The principal change that characterises both new Material machines is the design and construction of a new boom It is simple but heavy duty for machines in the 14 17 meter A high elastic limit HEL steel is used to build the new gen category eration boom resulting in a 2896 increase in strength The new boom uses the most advanced technology on the Compared e V1 strength 36 kg mm e 2 The simple modern design integrates a new technology XS ACIER ith the following f with the following features Counter jib e Compensation cylinder Reduced weight of booms A counter jib was created to keep the boom perfectly hori zontal when fully extended under load to avoid the fishing e 78 less pressure on the pads pole eff
4. 16 Eoo 8 21219 210 ERRORS ERN dS AREAS OE Ta 16 or ae c ce ie d e E ead OEE eae ees 16 FRET ACTION cis 16 EXTENSION Me ASI cR EE TRE UN Kc 16 Replacing the boom retraction or extension 17 18 TrODL OI DOOM De rep Mas EEUU ne 18 DOO Da n eR 18 EE c Ma A LS SE IM MEE M 18 Frontpads Olhe clemen EET EA 19 Rear pads of NS elements T RT 20 IEMA PONTE NO FIO DOE EM 21 Removal and installation of the compensation 21 BS ee eae tT AE EN ANT MEN deu 21 ED AM MM A ELM ML M EM E I REN LL 22 Removal and installation Of the UIC CyIIFICe iiec E Made emet ie 23 REMOVA CNET RENE T eu Sc 23 NETTEN 23 Removal and installation of the lift 24 24 Motala oN 25 Removal and installation of the telescoping 25 RAMO
5. ice Manual Serv q N q lt gt Q V2 Boom q N q o gt Q Bobcat Europe 2003 4852040 EN 08 03 CONTENTS CONTENTS IMPORTANT This document provides specific information for the new version of the T40140 and T40170 telescopic han dlers Read this document for a better understanding of the advantages this version has over previous ver sions of telescopic handlers NE W BOOM rrr 1 SPECIFIC PROCEDURES V2 BOOM i e oia 11 SPECIFICATIONS a E a UM 27 TAOTAO SPECIFICATION A Us 27 T4017 0 9 PESGIEICATIODS tu E E EE LM E II 35 Bobcat T40140 T40170 ll Service Manual V2 Boom NEW BOOM NEW BOOM RE TONNEN 2 55 uiii LU MM E I Iu EI AC bu uec 2 T 2 Dicen Serie EMI MI EMI Ml MU E E 2 NEW DOOM Eee 3 Diterent component orte DOOM i eon nose aU a 3 EEISSCODING T Tc 6 6 Be AGS AED prp To pr PM METTRE 7 NEW CONCEDII eee Es 7
6. Location Displacement Maximum operating pressure Electronic regulation SAUER type SUSMIC Under the moulding right side in cabin Pump equipment CASAPPA Gear pump Manufacturer Pump type Location Attached to the power takeoff of the hydrostatic pump 44 cm 240 20 bar Displacement Maximum operating pressure Steering and ventilator pump CASAPPA Pump type Gear pump Location Attached to the power takeoff of the equipment pump 16 cm 160 20 bar Displacement Maximum operating pressure Capacities 85 litres 153 litres 17 litres 140 litres 11 9 11 4 litres 6 5 litres Hydraulics reservoir Hydraulics system full Axles and reduction gears front rear Angle and effort 5000 Da N 5100 Da N 140170 SPECIFICATIONS Cycle time Load Charts T4179 Chart for the machine V2 equipped with 4 identical DUN LOP 400 80 x 24 156 B tyres with inflation pressure of 4 75 NEN NNNM bars and stabilisers lowered completely down Figure 74 Telescoping retraction at maximum 16 6 s height Telescoping extension at maximum reach Telescoping extension at maximum 29 0s height 37 Bobcat T40140 T40170 Service Manual V2 Boom 140170 SPECIFICATIONS T40170 on tyres Platform load charts Chart for the machine V2 equipped with 4 identical DUN Load Cha
7. Screws for upper and lower rear pads sie on No of CHC M8 16 CL10 9 DIN7984 elements Washer 100 depending on No of elements Figure 41 Figure 42 Figure 43 Front pads of the elements Removing 1 Remove the attachment screws Figure 44 from the upper pads and pull them out There are 2 or 3 attachment screws depending on the element Figure 44 2 Caution shims may come out with the pads 3 Remove the attachment screws from the side pads and extract the pads by lifting and pulling for the lower sides and by raising and pulling for the upper sides 4 Using a hoist sling the front part of the element and raise it in order to release the lower part to extract the pads Installation 1 With front of boom raised in order to slide in the lower pads to be mounted without adjustment shim apply Loctite to the threads of the screws and tighten to a torque of 3 daN m 2 Install the front part of the boom and engage the 13mm thick side pads on the left part of the element viewed from rear of boom Figure 45 then tighten the screws using the procedure indicated below SPECIFIC PROCEDURES V2 BOOM Figure 45 Front part of sliding element No 1 GE D 159 Oe gt Ss gt s ue lt Gs Qe 5 A s p 59 S AO lt S Sy Bobcat T40140 T40170 Service Manual V2 Boom SPECIFIC PROCEDURES
8. Telescope the boom all the way in and out several times in the horizontal position WARNING It is important to adhere to the indicated tension torques The working life of the chains will be affected and therefore safety Bobcat T40140 T40170 16 Service Manual V2 Boom SPECIFIC PROCEDURES V2 BOOM Replacing the boom retraction or extension Figure 39 chains General views Figure 38 58 S 3 AA AX S 9 59 amp dg Description Element 1 2 Element 2 3 Element 3 4 Element 4 eer Front attachment of the extension chains Front attachment of the retraction chains 5 Chain rollers Chain tension adjustment points Boom extension chains Figure 40 Boom retracting chains Chain rollers The extension chains located at the top of the boom can only be replaced by removing the boom elements There fore follow the instructions for removing and installing the elements When the element is free enough the other end of the chain can be removed The boom retraction chains located under the boom can be replaced without removing the elements LII Interior attachment of the extension chains Interior attachment of the retraction chains 17 Bobcat T40140 T40170 Service Manual V2 Boom SPECIFIC PROCEDURES V2 BOOM Work on rear of boom 1 If the telescoping cylinder has to be removed See Removal and install
9. 15 Bobcat T40140 T40170 Service Manual V2 Boom SPECIFIC PROCEDURES V2 BOOM Adjusting the extension and retraction Tools needed 4 Retighten the locknuts 1 wedge 190 mm thick 1 wedge 280 mm thick 1 wedge 300 mm thick e 2x 27 mm open end spanners 1 Unscrew the locknuts Extension chains 2 Tighten the chain tension screws to a torque of 1 8 daN m Extension chains located on the upper part of the boom Progressively tighten each screw First Retraction chains located under the lower part of the boom j 4 Retighten the locknuts e Retract the boom while inserting the wedges insert a Figure 36 280 mm wedge 300 20 280 between elements 1 and 2 as shown in Figure 34 and use 2 clamps to prevent the elements from coming out Figure 34 Element 1 4 Welded plate 20 mm Retraction chains P lt nij n d V nbs ieu Lars d n d ME o Pha dil 4 WS nm mm gt C 1 bo IR J J Qu 1 Unscrew the locknuts 2 Tighten the chain tension screws to a torque of 3 daN m 3 Progressively tighten each screw making sure to keep Ayres the tensioner perfectly parallel to the belt of the j po m element Figure 35 Figure 35 5 Remove the clamps 6 Telescope out slightly to release the wedges 7T
10. BOOM Checking the tension of the telescoping Checking the wear of the telescoping chains chains 1 Take the measurement on the extension chains 1 Retract the boom all the way hold the control for a exterior moment then block the boom so that it can not come 2 Take the measurement when the boom is completely deployed telescoped in the horizontal position 2 Checkthe tightness of the tension screw of each of the two extension chains 3 Usinga vernier caliper measure the length L of 10 links at the outside of the link pin The torque should be between 2 5 and 3 daN m Both chains should have identical tension Figure 33 Figure 31 WARNING The measurement must be taken as shown in the diagram at the outside of the pins of the chain 4 The wear is considered normal as long as L is less than 169 50 mm 5 If L is equal to or more than that value the chains pins rollers tension rods and attachment screws MUST be replaced IMPORTANT Each time you measure L write down the date it is checked and the number of hours on the machine 3 Run the boom all the way out hold the control for a moment then block the boom so that it can not retract 4 Checkthe tightness of the tension screw of each of the two return chains The torque should be between 2 5 and 3 daN m Both chains should have identical tension IMPORTANT The nuts should screw freely onto the tensioners
11. Manual V2 Boom NEW BOOM Telescoping cylinder Rear part of cylinder attachment to element 1 Figure 9 gt b KC JEN R aa Figure 10 Bobcat T40140 T40170 Service Manual V2 Boom Cassette The concept of cassette is unique on the market in that it collects together all of the boom s hoses and electrical cables Figure 11 50047 This unique patented technology avoids having to com pletely remove the boom during inspections or technical problems The hoses are simply disconnected at the front and back of the boom and the whole cassette removed This provides a significant time gain during after sale service Inside this cassette a separator has been built in to separate the hydraulic function the electrical function Figure 12 Re Description o Pads New concept The new pads have been simplified The total support sur face has been quadrupled compared to the older models mE 200 mm 50 mm 90 mm Previously the wear pads were placed in the corners of the boom Now they are placed on the sides of the boom 17 mm 10 000 mm 60 mm 2 660 mm Figure 13 OLD 50048 This method allows the contact surface of the boom on the pads to be considerably increased This results in a 7896 decrease in pressure the whole surface of the pad is used on the pad compared to the previous arrangement In t
12. NGO Put them in place and tighten the attachment screws apply Loctite to the threads and tighten to 3 mKg Do not insert adjusting shim Take the 13mm side pads and put them in place on the left part of the elements side toward the cabin insert and tighten the attachment screws 1 8th turn after the screw makes contact with the caisson Determine the amount of right side space and select the nearest thickness of pad so that it is in close contact with the boom element insert and tighten the attachment screws 1 8th turn after the screw makes contact with the caisson Determine the amount of free space between the elements Figure 47 and select the upper pads and shims if necessary so that they are in close contact with the boom element tighten the attachment screws apply Loctite to the screw threads and tighten to 3 daN m Figure 47 SPECIFIC PROCEDURES V2 BOOM Important reminder Removal and installation of the compensation cylinder The reassembly of the elements will be done with rear shimming carried out as follows Removal nstallation of pads in the lower part without shim screws used to attach the pads MUST be those that were removed or if they are replaced with new ones clear the cabin they must have the following characteristics e Side pad screws M 8 10 CL8 8 DIN7984 Upper and lower pad screws CHC M 8 16 CL10 9 3 Remove the screws connecting the two cyli
13. case of the front axle Displacement From 160 to 38 cm 4000 Kg Maximum operating pressure 450 20 bar Max elevation height 13610 mm Electronic regulation Capacity at max height 4000 Kg SAUER type SUSMIC Under the moulding right side in cabin Max reach 9700 mm 1300 Kg On tyres Pump equipment 13430 mm Manufacturer CASAPPA Capacity at max height 2500 Kg Max reach 9800 mm 250 Kg Empty weight 10010 Kg Pump type Gear pump Location Attached to the power takeoff of the hydrostatic pump Displacement 44 cm Maximum operating pressure 240 20 bar C2DL Self Leveling Side Shift of the Load 4514 Steering and ventilator pump Self leveler Stabilisers 12 12 1400 CASAPPA Pump type Gear pump Location Attached to the power takeoff of Standard tyres the equipment pump DUNLOP 400 80 x 24 153 B Displacement 16 cm Maximum operating pressure 160 20 bar Capacities Hydrostatics Hydraulics reservoir 72 litres On front axle 3x2 On front axle Hydraulics system full 140 litres 17 litres 140 litres Axles and reduction gears front rear 11 9 11 4 litres 6 5 litres PERKINS 1004 40T Turbo Angle and effort 5000 Da N 5100 Da N Power at 2200 RPM ISO 14376 Bobcat T40140 T40170 28 Service Manual V2 Boom 140140 SPECIFICATIONS Cycle time Load Charts NES Chart for the machine V2 equipped with 4 identical DUN LOP 400 80 x 24 153 B tyres with inflati
14. hydraulic reservoir Top off if necessary 8 Start the engine and activate the tilt movement in both 6 Supporting the cylinder push the pin but not all the directions in order to fill the cylinder way out in order to maintain the connection to the lift 9 Run it through several cycles to check for possible cylinder leaks 7 Remove the retaining ring from the cylinder base pin 4 WARNING The handling operations must be done with maxi mum safety making sure that the subassemblies to be removed are correctly slung 8 Pull outthe cylinder base pin same the cylinder base pin is connected to the lift cylinder without taking it all the way out in order to maintain the connection to the lift cylinder 9 Remove the cylinder with a hoist Bobcat T40140 T40170 22 Service Manual V2 Boom SPECIFIC PROCEDURES V2 BOOM Removal and installation of the tilt cylinder 4 Extract the cylinder rod head pin Figure 54 Removal 1 Disconnect the hydraulic lines connected to the tilt cylinder Figure 52 5 Remove the retaining ring from the cylinder base pin 6 Using a screw ring 010 150 in the cylinder base 50090 support the cylinder with a chain hoist 7T Remove the cylinder base pin and lower it to the 2 Remove the pin retaining screw 2 from the cylinder ground rod head 1 Sling the cylinder at the point provided for that purpose 2 Raise the cylinder passing it through the
15. lower part of the tip of the boom 3 Engage the cylinder base pin install the washer followed by the retaining ring 4 Position the rod head facing the pin bearing located on the tool holder yoke engage the pin and install the locking screw 5 Connect the hydraulic lines 6 Check the level in the hydraulic system Top off if necessary 7T Remove the sling 3 Using a sling attach the tool holder yoke in the maximum tilt position 8 Start the engine and run through several cycles in order to check for possible leaks WARNING All handling operations must be done with maxi mum safety including the slinging and chocking of removed components 23 Bobcat T40140 T40170 Service Manual V2 Boom SPECIFIC PROCEDURES V2 BOOM Removal and installation of the lift cylinder Removal 1 Raise the boom high enough to allow the headshaft to clear the cabin 2 Secure the boom in that position 3 Remove the screws connecting the two cylinders Figure 55 4 Disconnect the hydraulic lines connected to the valve after marking their position Figure 56 Bobcat T40140 T40170 Service Manual V2 Boom 5 Remove the retaining ring from the cylinder head Figure 57 6 Support the cylinder and remove the pin caution the compensation cylinder is connected by this pin to the lift cylinder 7 Remove the retaining ring from the cylinder base Figure 58 8 Pull out t
16. 0 SPECIFICATIONS Bobcat T40140 T40170 42 Service Manual V2 Boom
17. Gl 25 fore reil iS p ee sta ete TOE 26 11 Bobcat T40140 T40170 Service Manual V2 Boom SPECIFIC PROCEDURES V2 BOOM Safety Removal and installation of the chains hoses cassette Removal WARNING All handling operations must be done with maxi 1 Disconnect the hydraulic lines at the front and rear of the boom as well as the electrical connectors Figure 23 and Figure 24 mum safety including the slinging and chocking of removed components Figure 23 2 Remove the attachment screws from the flat face to which the elbow connections are attached Figure 24 3 Fully extend the boom and remove the 2 attachment screws located on top of the last element holding the lines rigid except for the screw located at the head of the boom Figure 23 4 Retract the boom gently and remove the remaining screw Figure 23 Bobcat T40140 T40170 12 Service Manual V2 Boom 5 Remove the 2 attachment screws located at the rear of the cassette Figure 25 Figure 25 6 Extract the cassette through the rear of the boom 7 Check the thickness of the pad of the cassette 8 Proceed with the work to be done Installation 1 Place the cassette inside the boom 2 Install the attachment screws for the rigid lines located at the head of the boom Figure 23 3 Attach t
18. Hookup of ertension chains located on elemen 1 _ 9 Bobcat T40140 T40170 Service Manual V2 Boom NEW BOOM Electric enclosure Feature of the T40170 In this new design the location of the electric enclosure at order to have a true 17 meters on stabilisers as well as the boom end was changed on tyres a 500 kg front counterweight was built in It is now located on the left side of the boom tip Previously It is positioned between the two stabilisers it was positioned under the boom tip Figure 22 Figure 21 For removal two holes are provided for positioning the forks Attachments All attachments from former versions are applicable for the new models T40140 and T40170 Bobcat T40140 T40170 10 Service Manual V2 Boom SPECIFIC PROCEDURES V2 BOOM SPECIFIC PROCEDURES V2 BOOM NES 12 Removal and installation of the chains hoses 12 RON esa 12 AE AAEN EAA PEA 13 Removal and installation of boom elements 13 Remove elements 2 and 3 740140 or 2 and 4 740170 13 Checking the tension of the telescoping 15 Checking the wear of the telescoping 15 Adjusting the extension and retraction
19. P 400 80 x 24 156 B tyres with infla stabilisers lowered all the Figure 78 2101234 WB ALL NM 1 DEM 5 IA gt N O NO OO NO Bobcat T40140 T40170 Service Manual V2 Boom 140170 SPECIFICATIONS Load Chart 4 Self leveling and side shift of the load Chart for the machine V2 equipped with Figure 80 e the 4 and 5 m platform not oriented e 4 identical DUNLOP 400 80 x 24 156 B tyres with infla tion pressure of 4 75 bars and stabilisers lowered all the way down Figure 79 131211109 876543210123 gt 20 49 18 17 16 15 14 13 12 11 10 500 kg 3 1 maxi 260 kg maxi ie B 131211109876543210123 o NW Bobcat 40140 T40170 40 Service Manual V2 Boom 740170 SPECIFICATIONS Dimensions Figure 81 5929 gt 1360 5884 gt 1200 5839 gt 1040 T T Th x Le IER OR PESE L 1 7 m gt EX d 41 Bobcat T40140 T40170 Service Manual V2 Boom 14017
20. V2 BOOM 3 Adapt the right side pads by a thickness that allows them to be in contact with the element of the sliding boom then tighten the screws using the procedure indicated below 4 Engage the upper pads using the necessary shims to make contact with the element of the sliding boom then tighten the screws with a torque of 3 daN m using Loctite on the threads WARNING Note the screws of the side pads should be tight ened as follows e tighten until it makes contact with the caisson then tighten an additional 1 8th turn Don t forget to reinstall the lubricators on the upper and lower pads Rear pads of the elements Removing 1 Retract the boom taking care to leave the pad attachment screws accessible 2 Remove the chains hoses cassette See Removal and installation of the chains hoses cassette on page 12 3 Remove the telescoping cylinder See Removal and installation of the telescoping cylinder on page 25 4 Remove the attachment screws from the pads 5 Extract the lower and side pads from each element 6 Using a hoist raise the front part of the boom in order to free up the upper rear pads 7 Remove the attachment screws from the pads 8 Extract the upper pads Bobcat T40140 T40170 20 Service Manual V2 Boom Installation Prepare the lower pads The number depends on the type of machine T40140 or T40170 Figure 46 LEAs 22 022267 2229
21. ation of the telescoping cylinder on page 25 2 Remove the attachment of the chain hookup part located inside the boom element 3 Remove the pin from the shaft holding the chain links with their attachments 4 Hookthe new chains to the end of the old ones Work on front of boom 1 Remove the front mounting and uncouple the chains from the mounting parts 2 Pull and remove the chains until the new chains appear 3 Re attach the new chains to their respective hookups 4 Attach the chain hookups to their respective mounting points WARNING The threads of the screws shown in Figure 40 must be doped with Loctite and tightened to a torque of 3 daN m It is important to adhere to the indicated tension torques The working life of the chains will be affected and therefore safety All handling operations must be done with maxi mum safety including the slinging and chocking of removed components Bobcat T40140 T40170 Service Manual V2 Boom Replacing boom pads Replacing the pads can be done without removing the boom elements Parts Designation Quantity Upper amp lower pad on No of elements a OO shim ortongpadSmm Se pad tim Figure Side ped 2mm Figure 411 13mm side pad Asneeded needed mi on No of Side pad 15 mm Screw H8 15 Screws for side pads CHC M8 10 CL8 8 on No of
22. chine V2 equipped with Chart for the machine V2 equipped with the 4 m platform oriented e the 5 m platform oriented e 4 identical DUNLOP 400 80 x 24 153 B tyres with infla 4 identical DUNLOP 400 80 x 24 153 B tyres with infla tion pressure of 4 25 bars and stabilisers lowered all the tion pressure of 4 25 bars and stabilisers lowered all the way down way down Figure 69 Figure 70 131211109 876 54 32 17 5 16 8445 14 13 12 11 10 9 8 500 kg 3 maxi 2 48 3 maxi 260 kg maxi h 260 a nS z m LIBI MJ HE x A 41109876543 31 Bobcat T40140 T40170 Service Manual V2 Boom 140140 SPECIFICATIONS Load Chart 4 Chart for the machine V2 equipped with e the 4 and 5 m platform not oriented e 4 identical DUNLOP 400 80 x 24 153 B tyres with infla tion pressure of 4 25 bars and stabilisers lowered all the way down Figure 71 d N 6564 ae 3 maxi 260 kg maxi 17 16 10 4 6 53745 Bobcat 40140 40170 S
23. ect This technique is used crane construction e 100 increase of pad boom contact surface area e Simplified maintenance Figure 2 e A counter jib allowing the boom to be horizontal under full load e Change of location of the electric enclosure of the boom tip Figure 1 Bobcat T40140 T40170 2 Service Manual V2 Boom New boom design This new boom was created to simplify all maintenance operations as well as exceptional operations such as removing the telescoping cylinder or hydraulic hoses The inside of the boom is broken down into two indepen dent removable subassemblies The telescoping cylinder right The cassette left As viewed from the back of the machine Different components of the boom Front part of element 1 Upper and lower pads e Quantity 4 Do not insert adjusting shims with the lower pads Reduce play by inserting shims only with the upper pads 2 Adjusting shims 3 Boom retracting chains Connected to element 1 and element 3 4 Side pads Quantity 4 two of which are 13mm Install 13mm thick pads on the left side of the caisson and adjust with pads of appropriate thickness to limit the play NEW BOOM Front part of element 2 Figure 4 Upper and lower pads Quantity 4 Do not insert adjusting shims with the lower pads Reduce play by inserting shims only with the upper pads Adjusting shims 3 Boom retracting chain Co
24. ervice Manual V2 Boom 0987654321012 Self leveling and side shift of the load zh e Pu L i Ex Figure 72 740140 SPECIFICATIONS Dimensions Figure 73 D x 15 1992 110 2394 5839 gt 1360 5793 gt 1200 5748 gt 1040 33 Bobcat 740140 T40170 Service Manual V2 Boom 140140 SPECIFICATIONS Bobcat T40140 T40170 34 Service Manual V2 Boom 140170 SPECIFICATIONS 140170 SPECIFICATIONS M TO 4 DRE 36 36 36 tie ran SIMMGSIOM TTE 36 37 orto RE tI 37 T4017 Sta IS OES pss hte LU AAT 37 ODIO EU iE 38 38 arc HERE 38 2 M 39 Saree a a 39 boad Cha A 40 Self leveling and side shift of the 10
25. gure 8 E LI Upper and lower pads Side pads Quantity 4 Quantity 2 one of which is 13mm Do not insert adjusting shims with the lower pads Install the 13mm thick pad on the left side of the caisson and Reduce play by inserting shims only with the upper pads adjust to the right with a pad of appropriate thickness to limit the 2 Extension chains play Connecting element 1 to element 3 Extension chains Connecting element 2 to element 4 3 Side pads Quantity 2 one of which is 13mm 3 Upper pads Install the 13mm thick pad on the left side of the caisson and Compensate for play by inserting shims between the upper pads adjust to the right with a pad of appropriate thickness to limit the and the caisson Right side pad No shimming on the lower side parts for all elements 5 No shimming on the lower side parts for all elements 5 Lower pads Lower pads Sn SAIMS Do not insert adjusting shims WARNING WARNING Some 6 retaining screws Allen are specific the height of the head is lower screws for side pads and for upper and lower pads and securing chains Some 7 retaining screws Allen are specific the height of the head is lower screws for side pads and for upper and lower pads and attaching chain hookup Make sure to put them back in the right place Make sure to put them back in the right place 5 Bobcat T40140 T40170 Service
26. he cassette in element No 3 Figure 25 4 Connect the hoses to the rigid lines and attach the support to the side faces of element 1 Figure 24 5 Connect the electrical harnesses 6 At the front connect the hoses to the rigid lines as well as the electrical harnesses Figure 23 7 Start the motor gently extend the boom all the way then install the 2 attachment screws located on top of the last element 8 Activate the tilt movement and run it through a series of cycles to check for leaks WARNING Use Loctite on the threads when tightening the Screws SPECIFIC PROCEDURES V2 BOOM Removal and installation of boom elements Figure 26 The kinematics Figure 26 refers to a 4 element boom 740170 The 3 element kinematics 740140 is identical but with one less element IMPORTANT Place the machine in an environment where work can be done properly and the removed elements can be handled in complete safety Remove elements 2 and 3 740140 or 2 3 and 4 T40170 1 Raise the boom until it is horizontal 2 Remove the chains hoses cassette See Removal and installation of the chains hoses cassette on page 12 3 Remove the telescoping cylinder See Removal and installation of the telescoping cylinder on page 25 4 Remove the 2 or 4 nuts and locknuts a from the attachment points of the extension chains upper chains Figure 27 e The number will be different depending on the t
27. he cylinder base pin same the cylinder base pin is connected to the compensation cylinder 9 Remove the cylinder with a hoist SPECIFIC PROCEDURES V2 BOOM Installation Removal and installation of the telescoping cylinder 1 Putthe cylinder in place 2 Mate the cylinder base bearing with the chassis Removal bearing earing 1 Disconnect the lines connected to the telescoping 3 Engage the cylinder base pin install the washer cylinder valve 1 followed by the retaining ring Figure 59 4 Connect they hydraulic lines to the cylinder s valve according to their initial position 5 Check the fluid level in the hydraulic reservoir Top off if necessary 6 Start the engine and control the lift function until the rod bearing mates with the boom bearing 7 Engage the pin and install the washer followed by the retaining ring 8 Run it through several cycles to check for possible leaks WARNING All handling operations must be done with maxi mum safety including the slinging and chocking of 2 Remove the attachment screw from the cylinder head removed components 26 mm Allen key Figure 60 25 Bobcat T40140 T40170 Service Manual V2 Boom SPECIFIC PROCEDURES V2 BOOM 3 Remove the 4 attachment screws from the cylinder 5 Reconnect the hydraulic lines body 014 mm Allen key Figure 64 Figure 62 6 Checkthe fluid level in the hydraulic reservoir Top off 4 Pull the cylinder
28. he present system the pads no longer fit closely around the boom elements but now help guide it The effort needed for the telescoping function therefore has been divided by two NEW BOOM Lubricator built into the pads The upper and lower pads are equipped with a built in lubricator considerably facilitating their maintenance Figure 14 Glide angle iron for the pads An angle iron is welded to the lower part of the boom ele ments so that the glide of the pad and the contact surface are perfectly in the same plane Figure 15 Bobcat T40140 T40170 Service Manual V2 Boom NEW BOOM Compensation cylinder Mechanical kinematics of the boom This is mounted beside the raising lowering cylinder Its The boom s kinematics have not been changed from the purpose is to regulate the flow of hydraulic fluid of the tilt previous version cylinder when the boom is being raised or lowered Hori Fi 17 zontality of the forks 16 TT 1 Compensation cylinder Lift cylinder Boom retracting chains Chain rollers Tensioner for lower chains To facilitate the adjustment of the lower chains tensioners have been installed in front of boom elements 1 and 2 Figure 18 Bobcat T40140 T40170 8 Service Manual V2 Boom NEW BOOM Hooking up the chains Hydraulic kinematics of the boom Figure 19 Figure 20 Ref Description S 5 emwetmmdondem OOo 8
29. nders DIN7984 The use of standard screws with thicker heads could have harmful consequences on the operation of the ki nematics 3 Installation of 13mm thick side pads on the left side of the element Once the element has been reinstalled the right side pads must be adapted by a thickness relative to the re maining space and the pads and shims installed at the top to reduce the clearance as much as possible while also ensuring that there is no sticking point when the structures are sliding 1 Raise the boom high enough to allow the headshaft to 2 Secure the boom in that position Figure 48 WARNING In every case the adjustment of clearance between the elements is done only at the upper and right parts of the elements 4 Disconnect the hydraulic lines after marking their position Figure 49 21 Bobcat T40140 T40170 Service Manual V2 Boom SPECIFIC PROCEDURES V2 BOOM 5 Remove the retaining ring from the cylinder head pin Installation 2 Figure 50 Put the cylinder in place 2 Mate the cylinder base bearing with the chassis bearing 3 Pushthe cylinder base pin put the washer on followed by the retaining ring 4 Manually extend the cylinder rod out and mate the compensation cylinder head bearing with the bearing of the boom 5 Push the pin back out and install the washer followed by the retaining ring 6 Connect the hydraulic lines 7 Check the fluid level in the
30. nnecting element 2 and element 4 Quantity 4 two of which are 13mm Install 13mm thick pads on the left side of the caisson and adjust with pads of appropriate thickness to limit the play 9 Chain rollers for boom extension Chains connecting element 1 to element 3 Bobcat T40140 T40170 Service Manual V2 Boom NEW BOOM Rear part of element 2 Front part of element 3 Figure 5 Figure 6 Description Upper and lower pads Quantity 4 Quantity 2 one of which is 13mm Do not insert adjusting shims with the lower pads Install the 13mm thick pad on the left side of the caisson and Reduce play by inserting shims only with the upper pads adjust to the right with a pad of appropriate thickness to limit the Upper pads Compensate for play by inserting shims between the upper pads Quantity 4 two of which are 13mm and the caisson Install 13mm thick pads on the left side of the caisson and adjust Right side pad with pads of appropriate thickness to limit the play No shimming on the lower side parts for all elements Lower pads Do not insert adjusting shims WARNING Some 6 retaining screws Allen are specific the height of the head is lower screws for side pads and for upper and lower pads Make sure to put them back in the right place Bobcat T40140 T40170 4 Service Manual V2 Boom NEW BOOM Rear part of element 3 Rear part of element 4 Figure 7 Fi
31. on pressure of 4 25 bars and stabilisers lowered completely down Figure 66 Telescoping retraction at maximum height Telescoping extension at maximum reach Telescoping extension at maximum 19s height 29 Bobcat T40140 T40170 Service Manual V2 Boom 140140 SPECIFICATIONS T40140 on tyres Platform load charts Chart for the machine V2 equipped with 4 identical DUN Load Chart 1 L OP 400 80 x 24 153 B tyres with inflation pressure of 4 25 bars Chart for the machine V2 equipped with Figure 67 the 1 2 platform oriented e 4 identical DUNLOP 400 80 x 24 153 B tyres with infla tion pressure of 4 25 bars and stabilisers lowered all the way down Figure 68 11109 8 7 6 5 4 3 2 4 0 4 2 3 16 15 14 13 o gt oO gt A NO N gt Ce m m 220 kg 2 x I maxi 60 kg maxi D E w O nN WH CO CO gt N a i 0 39 11 10 9 8 7 6 5 4 3 2 i 1 m 1409 8 7 6 5 4 3 2 14 0 4 2 3 Bobcat T40140 T40170 30 Service Manual V2 Boom 140140 SPECIFICATIONS Load Chart 2 Load Chart 3 Chart for the ma
32. rt 1 L OP 400 80 x 24 156 B tyres with inflation pressure of 4 75 bars Chart for the machine V2 equipped with Figure 75 the 1 2 platform oriented e 4 identical DUNLOP 400 80 x 24 156 B tyres with infla tion pressure of 4 75 bars and stabilisers lowered all the way down Figure 76 1514131211109 8 7 6 5 4 3 2 4 0 1 2 3 220 kg 2 x I maxi 60 kg maxi T 15 14 13 12111098 76543210123 Bobcat T40140 T40170 38 Service Manual V2 Boom Load Chart 2 Chart for the machine V2 equipped with the 4 m platform oriented 4 identical DUNLOP 400 80 x 24 156 B tyres with infla Load Chart 3 140170 SPECIFICATIONS Chart for the machine V2 equipped with e the 5 m platform oriented tion pressure of 4 75 bars and stabilisers lowered all the tion pressure of 4 75 bars and way down way down Figure 77 131211109 8 765 4 3 500 kg 3 x 1 maxi 260 kg maxi 500 kg 3 x 1 maxi 260 kg maxi 2 2 16 1 0 80 0m 13 12 oo e 11109 8 7 6 5 4 3 2 1 0 39 4 identical DUNLO
33. toward the rear if necessary 5 Usea handling device to extract the cylinder 7 Start the engine and run through several telescoping cycles in order to check for possible leaks Installation 1 Sling the cylinder so that it is held in the horizontal WARNING position Apply Loctite to the threads when tightening the T screws 2 Engage the cylinder in the boom until it is in contact with its attachment points The part shown in Figure 65 is a skid that enables the 3 Install the screws applying Loctite to the threads to d telescoping cylinder shaft to be held on the caisson secure the body in place then tighten to 29 5 daN m Figure 63 Figure 65 Its limit of thickness is 50 mm so it should be checked and replaced when necessary During reassembly grease should be applied to the slide part 4 Attach the cylinder head with Loctite on the threads WARNING and tighten to 2 5 daN m All handling operations must be done with maxi mum safety including the slinging and chocking of removed components Bobcat T40140 T40170 26 Service Manual V2 Boom 140140 SPECIFICATIONS T40140 SPECIFICATIONS CON NN ERROR DRE 28 OTANI GSC CIC tek Tu Uu LH 28 SOOM Ale tec AENA A MESE 28 tire ran SIMMGSION TES 28 INNS 29
34. ype of machine 3 or 4 elements Figure 27 Bobcat T40140 T40170 Service Manual V2 Boom SPECIFIC PROCEDURES V2 BOOM 5 Remove the split pins from the link pins on chain rods Figure 30 and stretch the chains on the boom b Figure 27 6 Remove the attachment screws from the boom front pads and take out the pads marking their position if they are going to be reinstalled Figure 28 Figure 28 8 Attach the element at its front and using a handling device pull horizontally on the element or set of elements WARNING Caution when the element or set of elements is out 7 Remove the attachment screws at the rear and inside far enough sling it by its rear part so that it stays the element for the retraction chain hookup parts balanced when it is released from the fixed boom Figure 29 et Figure 30 or element 1 Figure 29 The removal of the other elements is done in the same way as before but it is important to place all elements on a sta ble structure in order to prevent any accidents The reinstallation and adjustment of the pads will be done according to a specific procedure See Replacing boom pads on page 18 WARNING The handling operations must be done with maxi mum safety making sure that the subassemblies to be removed are correctly slung Bobcat T40140 T40170 14 Service Manual V2 Boom SPECIFIC PROCEDURES V2

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