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Bosch Rexroth Hagglunds VI 44 Series, Installation And Maintenance Manual, Page: 47 / 68

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Bosch Rexroth Hagglunds VI 44 Series Installation And Maintenance Manual Download Page 47

 

Installation 

47/68

Hägglunds VI, RE 15310-WA/10.2015, Intallation and maintenance manual, 

Bosch Rexroth Mellansel AB

3.2  Oil connections

1.1.4 

Oil connections, motor without valve, series 44 and 64

B

C

D

1

A

D

2

Motor series 44 & 64: Ø195 mm 
(7.677 in)

Fig. 56: Double acting

Port

Description

Dimension

Remarks

A

Main connection

BSP 1 1/4”

If A is used as inlet, the motor rotates 
in direction of the arrow

B

Main connection

BSP 1 1/4”

Normally plugged

C

Main connection

BSP 1 1/4”

If C is used as inlet, the motor rotates 
in opposite direction of the arrow

D

1

Drain connection

BSP 3/4

D

2

Flushing connection

BSP 3/4

Used for flushing of the motor case

Main connections

A, B and C

Drain connections

D1 and D2

only D

2

onl

y D

2

Fig. 57: Double acting

Summary of Contents for Rexroth Hagglunds VI 44 Series

Page 1: ...Hägglunds VI Radial piston hydraulic motor Installation and maintenance manual RE 15310 WA 10 2015 Supersedes EN 323 23br 2011 English ...

Page 2: ...tion set forth in it are the exclusive property of Bosch Rexroth AG It may not be reproduced or given to third parties without its consent Changes in the equipment may occur We there fore reserve the right to introduce amendments in the manual as we deem necessary without notice or obligations This Installation and Maintenance Manual is val id for motor series 44 64 and 84 manufactured after 95 01...

Page 3: ...Brake assembly BA 43 and BA 63 28 Brake assembly BA 85 34 Brake cylinder BCI M for brake assembly BA 43 BA 63 and BA 85 38 Draining of brake cylinders 40 Installation of brake assembly BA 43 BA 63 single acting and brake cylinder BCI M 41 Installation of brake assembly BA 43 BA 63 double acting and brake cylinder BCI M 42 Installation of brake assembly BA 85 single double acting and brake cylinder...

Page 4: ... may cause death or severe personal injuries if not avoided WARNING Indicates a dangerous situation which may cause death or severe personal injuries if not avoided CAUTION Indicates a dangerous situation which may cause minor or medium personal injuries if not avoided NOTICE Damage to property The product or the environment could be damaged Application area All new and rebuild applications should...

Page 5: ...4 17900 17 961 286 55 85 320 84 21300 21 375 340 55 80 320 84 25100 25 090 399 55 75 320 84 38000 38 000 605 40 60 250 84 22300 22 300 355 55 55 320 11 150 177 60 85 1 2 84 33800 33 780 538 35 35 250 16 889 269 50 70 1 2 84 25100 25 090 399 40 55 250 8 362 133 45 75 1 3 84 38000 38 000 605 25 35 250 12 667 202 35 60 1 3 84 25100 25 090 399 40 55 250 16 724 266 45 75 2 3 Related to a required charg...

Page 6: ... pressure of 12 bar 175 psi for motors in braking mode Special considerations regarding charge pressure cooling and choice of hydraulic system for speeds above rated Theoretical value The motors are designed according to DNV rules Test pressure 70 bar 1000 psi above max pressure Peak transient pressure 70 bar 1000 psi above max pressure is allowed to occur 10000 times Quantity Displacement Specifi...

Page 7: ...t way of performing displacement change over is by connecting a spe cial valve known as a 2 speed valve direct to the connecting flange on the cy linder block The motor is designed so that pressure pulsations in the motor case are avoided This has the advantage that impurities are not sucked into the case 9 Safety coupling 8 Cam ring 6 Cross head pin 7 Cam rollers 2 Piston rod 3 Piston 4 Distribut...

Page 8: ...nge or operating as a braking unit during hydrostatic braking 2 When motors are operating exclusively in driving mode the charge pressure is 30 of the graph values but may not be below 2 bar 29 psi 44 64 and 84 series Max case pressure is 3 bar 43 5 psi for 1 of the operation time evenly di vided pressure peaks of max 5 se conds up to 8 bar 116 psi are allowed The max permitted case pressure at st...

Page 9: ...speed valve 0 2 4 6 8 10 12 14 0 10 20 30 40 50 60 100 200 pc bar pcpsi 84 38000 84 22300 rpm Valid for 1 bar 14 5 psi case pressure With increased case pressure the charge pressure must be increased accordingly rpm Fig 4 Valid for A and B type motors with 2 speed valve 2 2 Noise from a complete installation Pump motor Pipe noise Hydraulic motor Noise from driven unit Foundation and construction n...

Page 10: ... fluid The Hägglunds hydraulic motors are primarily designed to operate on conven tional petroleum based hydraulic oils The hydraulic oil can be chosen in consultation with the oil supplier of your local sales of fi ce bearing the following requirements in mind General The oil shall have FZG 90 fail stage minimum 11 des cribed in IP 334 DIN 51354 The oil must also contain inhibitors to prevent oxi...

Page 11: ...d HFD T Mixture of the above Yes Viton Not painted HFD U Other compositions Yes Viton Not painted Must be specified in the order IMPORTANT Down rating of pressure data and service life must be considered when using fire resistant fluid Hägglunds or its authorised representative must always be contacted for approval in the case of these types of fluids Environmentally acceptable fluids Fluid Approv...

Page 12: ...er of particles 10µm and after passing the filter once the oil contains N 75 number of particles 10µm This means that 74 N 75 N 75 N number of particles have been filtered 98 6 3 Installation 3 1 Mounting instruction It is important that the greatest care is taken when installing the motor in order to ensure correct function Any component which is connected to the motor and which does not fulfil t...

Page 13: ...duced by 50 On the motor there is an arrow which indicates the direction of rotation When oil is supplied to port A the motor rotates in this direction The direction of rotation is also given on the identity plate see example in the figure below IMPORTANT With long drain lines and when flushing through the motor careful calculations must be made to determine the line dimensions HIGH TORQUE HYDRAUL...

Page 14: ...ints on motor cover 44 64 series 3 x M16 84 series 3 x M20 Max 30 Fig 6 WARNING Lifting straps must be chosen with reliable safety margin over the total weight of the lifted object Motor series Motor Motor BB BA BCI kg lb kg lb 44 520 1 150 808 1 785 64 750 1 653 1 038 2 288 84 1 550 3 417 2 356 5 198 Lifting of torque arm Fig 7 TAC 1250 B ...

Page 15: ...eight kg lb TAC 1000 K 69 152 TAC 1250 B 120 265 1 1 2 Motor rope drum shaft adapter Mounting of rope drum or shaft adapter Clean the mounting surfaces carefully before assembly This is a friction joint Tighten the bolts to the correct tightening torque All bolts shall be lubricated with oil see below Eccentricity and axial wobble of mounting surfaces on associated equipment such as shaft and rope...

Page 16: ...340 Nm 250 lbf ft Torque 5 8 UNC 320 Nm 236 lbf ft Torque M20 700 Nm 516 lbf ft Torque 3 4 UNC 600 Nm 443 lbf ft Class 12 9 is needed for max allowed load on the motor For less load other bolts can be used Series 84 M24 M20 Motor Shaft adapter Rope drum 24 hole Ø28 mm 1 10 in 24 hole Ø22 mm 0 87 in Fig 10 Tightening torque for assembly bolts min strength class 12 9 ISO 898 1 Torque M20 700 Nm 516 ...

Page 17: ...mm 6 5 in Strength class 8 8 ISO 898 1 Tightening torque 200 Nm 150 lbf ft 2 2 st 5 8 UNC x 178 mm 7 in Strength class 8 8 ISO 898 1 Tightening torque 200 Nm 150 lbf ft A A D2 Motor mounting surface 2 speed plug Fig 12 Remove the cover on the motor mounting surface Remove all plugs on the motor mounting surface Mount the plug BSTP 3 4 included in the mounting set in the bottom of the hole for port...

Page 18: ...nting surface Mount the plug BSTP 3 4 included in the mounting set in the bottom of the hole for port A see figure 14 Place the O rings in the proper position on the valve mounting surface Use grease to keep the O rings fixed Mount the valve against the motor with the ports in corresponding position Motor Cover Valve Fig 13 2 speed plug Motor mounting surface Fig 14 1 1 3 Motor torque arm Mounting...

Page 19: ...nd knock them in Notice Do not knock the keys in so far that they damage the wear ring on the cylinder block A deformed wear ring can cause oil leakage Install the cover CAUTION Do not weld drill grind or carry out similar work on the torque arm without Hägglunds approval Shaft on driven machine Shaft coupling Motor Torque arm TAC 1000 K Fig 15 1 Wear ring 2 Key 3 Cylinder block 4 Cover 5 Torque a...

Page 20: ... Motor mounting flange 3 24 pcs MC6S 24 x 65 screws strength class 12 9 ISO 898 1 or 24 pcs UC6S 1 UNC x 64 2 1 2 screws strength class 12 9 ISO 898 1 Fig 17 Torque arm TAC 1250 B Mounting of attachments The attachments for TAC 1000 K and TAC 1250 B must be welded to the surround as shown in figure 18 and 19 For the stiff attachment it is only necessary for one of the assembly surfaces to be welde...

Page 21: ...orque arm on series 84 The pivoted attachment is to be mounted and adjusted as shown in figure 19 and 20 Checking Check that the free end of the torque arm is able to move within the directions and tolerances at the attachment as prescribed in figure 18 and 19 For lubrication of the torque arms see 4 4 Periodic maintenance x 10 25 x 2 mm 0 079 misalignment in installation x 15 mm 0 59 movement whe...

Page 22: ...rque arm for series 44 and 64 Use a suitable puller to pull off the torque arm The puller holes are shown in the figure 22 Notice If the torque arm is difficult to pull off its hub may be cautiously heated TAC 1000 K 2 holes M16 x 40 mm 1 6 in Fig 22 Puller holes on TAC 1000 K DANGER Make sure that the foundation can withstand the for ces from the torque arm WARNING Before starting the motor check...

Page 23: ...ll the cover Notice Do not knock the keys in so far that they damage the wear ring on the cylinder block A deformed wear ring can cause oil leakage See 3 1 4 Motor torque arm mounting of torque arm on series 44 and 64 If valve V46 O is used the D2 connection on the motor must be facing downwards Mounting of front bracket on series 84 Place the motor in the bracket D1 connection on the motor should...

Page 24: ...ntallation and maintenance manual Hägglunds VI RE 15310 WA 10 2015 D2 C B A D1 Fig 24 Fig 25 DANGER Never stand below the motor during dismounting WARNING Always make sure that the lifting equipment is strong enough to handle the weight of the motor ...

Page 25: ...lb BB 46 M24 10 9 960 710 1 UNC 10 9 1100 810 0 5 0 0197 150 330 BB 85 M24 10 9 960 710 1 UNC 10 9 1100 810 0 5 0 0197 496 1094 Drill coordinates 50 0 5 840 1 33 07 0 039 A 1 5 A 0 059 B 0 4 B 0 016 460 0 3 18 11 0 012 1 97 0 020 2 95 2 76 C 0 079 75 70 C 2 8 x 28 1 10 0 5 0 5 0 020 0 020 1 See note 1 Fig 26 BB 46 Motor series Dimensions A B C mm inch mm inch mm inch 44 257 10 1 43 1 69 74 2 91 64...

Page 26: ...manual Hägglunds VI RE 15310 WA 10 2015 480 0 5 43 0 6 411 5 2 11 x Ø28 1 10 347 0 5 18 898 0 020 1 693 0 024 16 201 0 079 13 661 0 020 1100 1 43 31 0 039 800 1 31 50 0 039 245 0 5 9 646 0 020 135 0 5 5 315 0 020 Fig 27 BB 85 Fig 28 Max parallelism error between two brackets ...

Page 27: ... of the frame parts against the brackets to a flatness 0 5 mm 0 020 in Weld the frame parts on the foundation with a lining tool if necessary use the winch as alignment tool After welding take off the alignment tool and put 1 2 mm 0 04 0 08 in thick layer of Devcon B compound between the brackets and the frame parts Assemble the winch without tightening the screws Let the Devcon B compound harden ...

Page 28: ... on each screw position Place shims in the screw positions and assemble the winch Tightening torque see tightening torque for respective bracket Fig 31 Brake assembly BA 43 and BA 63 Brake assembly Braking torque in braking force direction with friction factor µ 0 35 after running in period Single acting Double acting Nm lbf ft Nm lbf ft BA 43 76 000 56 000 55 000 40 500 BA 63 90 000 66 300 65 000...

Page 29: ...llation and maintenance manual Bosch Rexroth Mellansel AB Dimensions BA 43 and BA 63 single acting Lubricating points Fig 33 Brake adjusting screws Pulling holes 2 pcs M16 Fig 34 Motor series A B mm inch mm inch 44 871 34 29 906 35 67 64 915 36 02 950 37 40 ...

Page 30: ...n and maintenance manual Hägglunds VI RE 15310 WA 10 2015 Dimensions BA 43 and BA 63 double acting Fig 35 Lubricating points Brake adjusting screws Pulling holes 2 pcs M16 Fig 36 Motor series A B mm inch mm inch 44 871 34 29 906 35 67 64 915 36 02 950 37 40 ...

Page 31: ...e measurement band plus lining is as shown in figure 37 Min 13 mm 0 51 in Min 15 mm 0 59 in Fig 37 Brake adjustment BA 43 and BA 63 FK Adjusting measurement Without braking torque FK min 103 mm 4 06 in FK max 117 mm 4 61 in Without load With load The right position of the pointer after adjustment With braking torque see I M manual Warning FK must always be more than 60 mm 2 37 in White field Green...

Page 32: ...d White field Green field Red field Brake adjustment Without braking torque FK min 103 mm 4 06 in FK max 117 mm 4 61 in Set A equal B Fig 39 Double acting sign 2 Brake adjustment BA 43 and BA 63 Single acting Brake adjustment without braking torque 1 Remove locking devices on adjustment screws 2 Stretch the bands with the adjustment screws when the pressure is applied to the brake cylinder Check t...

Page 33: ...ed when checking the adjustment Read from the diagram if adjustment is necessary See Brake adjustment without braking torque for the adjustment procedure Example With BA 63 a line force F of 100 000 N and a line drum of radius r 0 5 m the braking torque is Mb 50 000 Nm The brake is to be adjusted if the measurement FK is less than 77 mm 3 03 in Adjust FK to 91 mm 3 58 in See the diagram for BA 63 ...

Page 34: ...See sign 1 Drain the brake cy linder and check the measurement FK Adjust until this is 117 mm 4 61 in The scale indicators sign 2 should show green 3 Replace the locking devices on the adjustment screws Brake adjustment with braking torque Not possible Brake assembly BA 85 Brake assembly Braking torque in braking force direction with friction factor µ 0 35 after running in period Single acting Dou...

Page 35: ...Dimensions BA 85 single and double acting 450 3 550 3 17 7 0 12 21 6 0 12 Fig 41 Lubricating points Brake adjusting screw 20 holes Ø 28 spaced 15 Fig 42 Replacement of brake band The brake lining is worn out and the complete brake band must be exchanged when the measurement band plus lining is as shown in figure 43 ...

Page 36: ...ck the FK measurement after approximately 10 brake operations and adjust it to 107 mm 4 21 in Brake adjustment BA 85 VA LI D W IT H O U T B R A K I N G T O R Q UE m F K Without braking torque FK min 93 mm 3 67 in FK max 107 mm 4 22 in Without load With load With braking torque see I M manual Warning FK must always be more than 60 mm 2 37 in White field Green field Red field FK definition valid for...

Page 37: ... to 107 mm 4 21 in The scale indicators sign 2 should then show green 3 Replace the locking devices on the adjustment screws BA 85 Adjust point Readjust point Adjustment of brakes with braking torque WARNING Adjustment check of bra kes with braking torque is only to be performed when the bra kes cannot be relieved of braking torque The value of the braking torque must be used when checking the adj...

Page 38: ... bar psi bar psi bar psi bar psi cm3 in3 kg lb BCI M 1X XXX 4 58 8 115 320 4 600 320 4 600 1300 79 3 68 150 BCI M 30 XXX 16 230 26 380 320 4 600 320 4 600 350 21 4 70 154 Low pressure operation BCI M 10 XXX without flushing D to tank Plugged Fig 45 BCI M 11 XXX with flushing D to tank Restrictor Ø 1 mm 0 04 in Fig 46 At p 2 bar 29 psi the flushing flow is 0 9 lit min At p 5 bar 72 psi the flushing...

Page 39: ...ation BCI M 30 XXX without flushing Plug removed D plugged Fig 47 Notice Alternatively D port can be used as main port but then A port must be plugged To assure good venting choose the connection at the highest point as main port Removal of the plug Allen key Fig 48 DANGER Do not disassemble the brake cylinder without special tools ...

Page 40: ...ng torque Mmax of 65 000 Nm 47 900 lbf ft when the brake cylinder is not under pressure and µ 0 35 Assume that the counter pressure in the brake cylinder drain line is 1 5 bar 75 psi The diagram then shows the actual brake torque Mact that corresponds to only 60 of Mmax 0 1 5 5 10 15 20 bar 0 50 100 50 150 200 250 100 300 350 psi B C I M 1 X BCI M 30 Back pressure in brake cylinder drainage line W...

Page 41: ... circlip 58 Grease the shaft prior to fitting See paragraph 1 above 3 Locate sleeve 55 on the rear shaft Mount the rear bracket of the brake cylinder 925 washer 54 and nut 27 4 Press bushing 34 into lever 41 or 42 Notice Make sure that the lubrication holes coincide Insert the grease nipp le 35 and protection cap 70 5 Grease eccentric shaft 16 or 17 see paragraph 1 and insert it Mount key 31 lever...

Page 42: ... brake adjustment sign 64 and the braking force direction plate 917 14 Before starting up adjust the brake assembly See brake adjustment for BA 43 and BA 63 single acting 15 Place nut locks 4 and screws 3 16 Check that the brake assembly is installed so that the correct braking force direction is obtained and that the signs 60 and 917 corresponds with the installed brake assembly Screws A Strength...

Page 43: ...tor front bracket mounting of front bracket on series 44 and 64 9 Mount the lower brake bands 6 or 8 Lubricate the journals in accordance with paragraph 1 Assemble washers 25 and screws A If the screws can not be tightened with a torque wrench tighten until the washers 25 are flat 10 Mount the upper brake bands 5 or 7 Lubricate and mount the screws 12 See paragraph 1 Mount also the washers 13 and ...

Page 44: ... EP2 or an equivalent grease without solid additives and mount them on the bracket 910 2 Grease the eccentric shaft see paragraph 1 Mount the bushings 2 and eccentric shafts 3 or 50 and 4 or 51 3 Press bushings 5 into levers 6 Notice Make sure that the lubricating holes coincide Insert the grease nipp le 7 4 Mount levers 6 and mount keys 8 See fig 1 2 or 3 for position of keys for respective braki...

Page 45: ...3 for the location of the shafts for respective braking direction 24 22 23 25 Fig 52 12 Mount brake bands 26 Mount screw 33 and nuts 35 Lubricate the screws prior to mounting see paragraph 1 Notice The break bands must be movable in relation to the link heads For this reason do not tighten the screws so much as to squeeze link heads together Mount the bands together with adjusting screws 36 spacer...

Page 46: ...Installation Bosch Rexroth Mellansel AB Intallation and maintenance manual Hägglunds VI RE 15310 WA 10 2015 Key 8 Fig 53 Clockwise R H brake Key 8 Fig 54 Counter clockwise L H brake Key 8 Fig 55 Double acting ...

Page 47: ...Port Description Dimension Remarks A Main connection BSP 1 1 4 If A is used as inlet the motor rotates in direction of the arrow B Main connection BSP 1 1 4 Normally plugged C Main connection BSP 1 1 4 If C is used as inlet the motor rotates in opposite direction of the arrow D1 Drain connection BSP 3 4 D2 Flushing connection BSP 3 4 Used for flushing of the motor case Main connections A B and C D...

Page 48: ...n opposite direction of the arrow D1 Drain connection BSP 1 D2 Flushing connection BSP 1 Used for flushing the motor case Y Pilot pressure conn BSP 3 4 Displacement 57 9 cm3 5 35 in3 2 position valve Displacement 90 5 cm3 5 52 in3 3 position valve Gives half displacement X Pilot pressure conn BSP 3 4 Only with 3 position valve displacement 32 6 cm3 1 99 in3 Gives full displacement SAE flange J518 ...

Page 49: ... VI RE 15310 WA 10 2015 Intallation and maintenance manual Bosch Rexroth Mellansel AB Fig 59 Main connections A and C Fig 60 Drain connections D1 and D2 Fig 61 Pilot pressure connections X and Y CAUTION Check direction of rotation ...

Page 50: ...1 1 2 If C is used as inlet the motor rotates in opposite direction of the arrow D Drain connection BSP 3 4 M1 Charge pressure conn BSP 3 4 M2 Charge pressure conn BSP 3 4 Plugged used as additional charging port SD Pilot pressure conn BSP 1 2 Plugged SA Pilot pressure conn BSP 1 2 12 bar 170 psi 6 bar 85 psi for valve operating at no flow P Pressure point conn BSP 1 2 Am Cm Pressure point conn BS...

Page 51: ...ection 1 1 2 C Main connection 1 1 2 D Drain connection BSP 3 4 M2 Charge pressure conn BSP 3 8 SD Pilot pressure conn BSP 1 2 Displacement shifting connection SA Pilot pressure conn BSP 1 2 External pilot connection for counter balance spool P Cm Pressure point conn BSP 1 2 A Cm Pressure point conn BSP 3 4 Br Brake line connection BSP 3 8 D2 Ext flushing conn BSP 3 4 Note Not marked on valve SAE ...

Page 52: ...The distributor must be fitted so that the punched letter R for right hand rotation or L for left hand rotation aligns with the zero 0 on the cam ring beneath the plug in the front end cover See the figure below for the respective motor series See specific service instructions for more accurate adjustment of the distributor On 44 and 64 series motors the distributor is turned 90 For type 84 25100 ...

Page 53: ...tributor Cylinder block Front end cover Fig 65 Series 44 and 64 Rear end cover Safety coupling Distributor 4 off Ø8 x 19 mm Ø0 315 x 0 709 in pins Plug Distributor Cylinder block Front end cover Fig 66 Type 84 38000 84 25100 and 84 14800 R L Rear end cover Safety coupling Distributor 4 off Ø6 x 14 mm Ø0 236 x 0 551 in pins Plug Distributor Cylinder block Front end cover Fig 67 Type 84 22300 and 84...

Page 54: ...ate location and 12 months in a tempered location it must be filled with oil and placed with the cylinder block upwards See 2 3 Choice of hydraulic fluid Fill the motor with filtered oil in the following order see figure below 1 D1 C and A Take great care that impurities do not get inside the motor with the oil Plug the connections so that their threads are protected and no impurities can enter th...

Page 55: ...and charge pressure must be checked and correspond with calculated values 44 64 and 84 series Pressure in the drain line measured at the motor should be less than 3 bar 43 5 psi for 1 of the operation time evenly divided pressure peaks of max 5 seconds up to 8 bar 116 psi are allowed For motors with silicon rubber main seals these values must be reduced 50 These pressure limitations are important ...

Page 56: ...pection is carried out at predetermined times Controls and measures are carried out as follows Motor The motor must be protected against internal rusting if it is not used for a longer period approx 1 month this can be done in several ways 1 Mix rust preventive additive with the hydraulic fluid e g use 5 Rust Veto Concentrate manufacturer E F Houghton Co Philadelphia USA This additive can be used ...

Page 57: ...Rexroth Mellansel AB Plug BSP 1 1 4 Fig 69 Torque arm If the torque arm with pivoted design is exposed to a corrosive atmosphere it should be lubricated once a month CAUTION Do not weld drill grind or carry out any similar work on the torque arm without Hägglunds approval Fig 70 TAC 1250 B ...

Page 58: ...ubricated once per month WARNING Check that the brake linings are free from oil and dirt Fig 71 TAC 1000 K Maintenance chart Series After 1 month or 100 hours After 3 months or 500 hours Every 6 months Every 12 months Oil filter Rpl Rpl Rpl Oil Insp Brake equipment Insp Insp Insp Torque arm Insp Insp Rpl Replacement Insp Inspection If it is exposed to a corrosive atmosphere equipment shall be lubr...

Page 59: ...able protective caps devices Check whether all plugs and plug seals are securely seated to ensure that no moisture can penetrate into the hydraulic motor during cleaning Use only water and if necessary a mild detergent to clean the hydraulic motor Remove coarse dirt from the outside of the machine and keep sensitive and important components such as sensors and valve blocks clean 4 5 Disposing When...

Page 60: ...r correct rotation The motor runs erratically Pressure or flow variations in the hydraulic system Investigate the hydraulic system or mechanical transmission The distributor settings has been changed Dismount the safety coupling and distributor If the coupling halves have been moved in respect to each other reset them to original position using the indication hole Ø3 mm 0 118 in Then fit new pins ...

Page 61: ...osition Dismount the piston and remove any impurities Hydraulic motor with band brake Fault Probable cause Action Insufficient braking torque The brake is poorly adjusted Adjust the brake See the instruction for brake adjustment under 3 1 5 Motor front bracket The brake cylinder is not drained in the described manner excessive counter pressure in drainage line Remove the cause of the pressure Conc...

Page 62: ... cover Guide plate Cam ring Distributor Cross head pin Cam roller Front end cover Front main bearing Piston with piston rod Cover Cylinder block Fig 72 Series 44 Safety coupling Rear main bearing Rear end cover Guide plate Cam ring Cylinder block Cover Distributor Front main bearing Front end cover Piston with piston rod Cam roller Cross head pin Fig 73 Series 64 ...

Page 63: ...ion and maintenance manual Bosch Rexroth Mellansel AB Safety coupling Rear main bearing Rear end cover Guide plate Cam ring Cylinder block Cover Distributor Front main bearing Piston with piston rod Cam roller Cross head pin Front end cover Fig 74 Series 84 ...

Page 64: ...re are not applied and have no relevance for the product The individual below is authorized to compile the relevant technical files Name Björn Leidelöf Address Hägglunds Drives AB S 890 42 Mellansel Mellansel 2009 12 29 General principle no 1 1 1 3 1 1 5 1 3 1 1 3 2 1 3 3 1 3 4 1 3 6 1 3 7 1 5 3 1 5 4 1 5 5 1 5 6 1 5 8 1 5 13 1 6 1 1 6 3 1 7 2 1 7 3 1 7 4 Name Viking Function Hydraulic motor Model...

Page 65: ...Notes 65 68 Hägglunds VI RE 15310 WA 10 2015 Intallation and maintenance manual Bosch Rexroth Mellansel AB NOTES 8 Notes ...

Page 66: ...66 68 Declaration of incorporation Bosch Rexroth Mellansel AB Intallation and maintenance manual Hägglunds VI RE 15310 WA 10 2015 NOTES ...

Page 67: ...Declaration of incorporation 67 68 Hägglunds VI RE 15310 WA 10 2015 Intallation and maintenance manual Bosch Rexroth Mellansel AB NOTES ...

Page 68: ...weden Tel 46 0 660 870 00 Fax 46 0 660 871 60 documentation mll boschrexroth se www boschrexroth com hagglunds We reserve the right to make changes Printed in Sweden RE 15310 WA 10 2015 Your local contact can be found at www boschrexroth com adresses ...

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