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sitrex SM 3600, Assembly, Use And Maintenance

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34

 

 

6.6.7  REPLACING THE BLADES 

 

 
 
 
 
 

If  possible,  carry  out  this  operation  in  a  workshop  after  having  detached  the  machine  from  the  tractor  and 
raised it with a suitable hoist (see page 15). If there is no choice but to carry out the operation on the field, 
choose a firm, level spot.  
 

a)  Raise the machine to the tractor hoist's maximum height and apply the parking brake.  

b)  Disconnect the power takeoff, turn off the tractor and remove the key from the ignition.  

c)  Insert a support between the machine and the ground to prevent it from falling.  

d)  At this point tighten the hub pin 2 with the wrench 1 and unscrew the nut 4 with the wrench 3.  

e)  Then remove the blade 5 and replace it with a new one.  

f) 

Now re-tighten the nut 4. 

 
 
 
 

6.6 

ADJUSTMENT, PREPARATION AND USE 

Summary of Contents for SM 3600

Page 1: ...ASSEMBLY USE AND MAINTENANCE SPARE PARTS LIST FLEX WING MOWERS SM 3600 4500 5200 2007 1 ...

Page 2: ...1 ...

Page 3: ...__ 14 5 2 ASSEMBLY SEQUENCE ___________________________________________________________________________ 16 CHAPTER 6 ADJUSTMENT PREPARATION AND USE 25 6 1 INTRODUCTION__________________________________________________________________________________ 25 6 2 MOUNTING TO THE TRACTOR _____________________________________________________________________ 25 6 3 CONNECTING THE CARDAN SHAFT_______________...

Page 4: ...he agent within 8 days of receipt The manufacturer warrants new machinery at the time of delivery to the original purchaser to be free from defects in material and workmanship if properly set up and operated in accordance with this Operator s Ma nual The manufacturer undertakes to repair or replace free of charge any defective part which should be returned by the purchaser freight prepaid and foun...

Page 5: ...ife avoid damage optimize work and above all to avoid injury to the operator and anyone within range of the machine 2 2 WARNING SIGNS 1 Before beginning operations read the in struction manual carefully 2 Prior to any maintenance work adjust ments or repairs stop the machine set it on the ground turn off tractor and apply parking brake Remove key from ignition and consult the instructions and main...

Page 6: ...TION ON THE MACHINE 5 4 Warns the danger of cutting blade 5 This sign is a reminder to check the oil level 2 3 DANGER SIGNS 6 Indicates an impending dangerous situa tion which if not avoided will cause death or severe personal injury 7 General danger 0 4 0 5 0 6 0 7 ...

Page 7: ...danger when removing protective guards 9 Indicates a potentially dangerous situa tion which if not avoided can provoke less severe or minor injuries 10 Risk of possible ejection of blunt objects Keep a safe distance from the machine 11 This indicates the risk of cutting one s foot Keep at a safe distance 12 This indicates the risk of cutting one s hand Keep at a safe distance 0 8 0 9 0 10 0 11 0 1...

Page 8: ...makes up the documentation on safety use and maintenance of the ma chine 14 Indicates danger caused by accidental fall of suspended arms Keep safe dis tance 2 4 INDICATION SIGNS 15 This indicates the oil level 16 Indicates a greasing point 17 Shows the direction of rotation of the power takeoff and the maximum number of revolutions NOTE All the signs and symbols so far shown appear in the manual S...

Page 9: ...E Machine casing 0 18 1 Serial number plate 2 See point 1 page 4 3 See point 2 page 4 4 See point 11 page 6 5 See point 12 page 6 6 See point 7 page 5 7 See point 10 page 6 8 See point 16 page 7 9 See point 15 page 7 10 See point 5 page 5 11 See point 17 page 7 12 Manufacturer decal 13 See point 4 page 5 14 Decal with model of machine ...

Page 10: ...IR LOCATION ON THE MACHINE 9 Machine 1 Serial number plate 2 See point 1 page 3 3 See point 2 page 3 4 See point 3 page 3 5 See point 5 page 4 6 See point 7 page 4 7 See point 14 page 6 8 See point 17 page 6 9 Manufacturer decal 10 Decal with model of machine ...

Page 11: ...instructions from the tractor manufacturers If such instructions are not available suitable tests should be conducted in safe conditions in order to assess stability 8 Once the machine is connected it can only be controlled through a Cardan shaft complete with the re quired overload protection and guard secured with the appropriate small chains Be aware of the rotation al direction of the Cardan s...

Page 12: ...or from the 3 point linkage put the lifting unit lever into the locked position 25 The connection pins on the machine must match the connection sockets on the lifting unit 26 During transport secure the lateral lifting arms with the appropriate chains and tighteners 27 When the machine is raised during road transport put the tractor s hydraulic lifter lever into the locked position 28 Only use the...

Page 13: ...hood on the power takeoff shaft 39 Prolonged use of the machine can cause the drive boxes to become hot To avoid any risk of getting burnt avoid touching these areas both during use and some time afterwards 40 Periodically check screws and nuts for tight ness and grip Tighten if necessary 41 When carrying out maintenance work or re placing the blades raise the machine and rest on adequate supports...

Page 14: ...st cowl is mounted at the back in all models The technical specifications for each model are given in the table Model Approximate Weight Lbs kg RPM of gearbox Cutting width feet Blade tip speed m s No Blades Cutting height Power required HP kW mm inches SM 3600 2600 1180 540 12 70 5 9 20 125 3 4 5 30 22 SM 4500 2800 1270 540 15 70 5 9 20 125 3 4 5 35 26 SM 5200 3100 1410 540 17 70 5 11 20 125 3 4 ...

Page 15: ...nsure that the operator has maximum visibility If a forklift truck is used ensure that the forks are positioned as wide apart as possible The manufacturer packages the machines accord ing to the following models Fig 5 1 represents the standard packaging for the lawn mower with rear grass ejector Fig 5 2 represents the packaging for cart Packaging consists of a crate containing the load bearing fra...

Page 16: ...rding to the laws in force in the country where the machine is used The plastic film should also be disposed of according to the laws in force in the country where the machine is used 3 When storing it is permissible to stack 2 3 crates on top of each other Make sure that they are perfectly aligned vertically 4 In the case of further transportation make sure the machine is well secure on the trans...

Page 17: ...ied personnel perform assembly We also recommend that assembly be carried out in a flat open area with no people particularly children nearby who could be severely injured if they were to touch or move any parts of the machine 5 2 1 Keep the main casing 1 approx 400 600 mm above the ground resting it on suitable supports or on the forks of a forklift 5 2 ...

Page 18: ...notched washers D 15 19 32 Item 6 n 6 screws M14x95 D 19 32x3 3 4 Warning The gear boxes have already been assembled on the cowls The side cowls contain the lateral power take off on the right or left hand side according to which side it has been assembled on whereas the box on the rear cowl is assembled as shown in the picture The side cowls have normal axles as shown in the picture whereas the r...

Page 19: ...item 7 D 30 40x2 D 1 3 16x1 9 16x5 64 At this stage secure eve rything with the split pins 8 Fit the grease nipples 9 to the correct positions on the axles 1 For this step you will use Item 8 n 4 split pins D 8 5 16 Item 9 n 4 grease nip ples M6 15 64 For the rear mower repeat the assembly instructions given above but assemble the wheel clamp with the hexagonal pintle on the front part Assemble th...

Page 20: ... the diagram and assemble the short shields 20 on the box After having fastened the shafts with the joint 83 and 22 into position by means of screw 84 22 and nut 51 15 protect them with the casings 15 and 23 The rear support plate 24 is fastened to the rear plate by means of a 30mm diameter pin holding the articulated rear arm as well as by the screws 25 The screws should be tightened only after t...

Page 21: ...crews 6 in the centre hole for SM 3600 mounting in the last hole Assemble the engine mounting 10 on the arm and place the distance washers 12 as shown in the diagram During assembly operations make sure that the bushings 2 and 11 are already as sembled in their respective housings See spare parts for SM 3600 5 2 9 Repeat the procedure on the left hand side of the machine ...

Page 22: ...ame 4 on the arm together with the oscillation control system consisting of the tie rod 9 the con necting rod 10 and the small wheel 11 5 2 11 Assemble the tie rod and the hook which blocks movement during transport on to the side arms The tie rods 1 and 3 must be assembled using their medium length Also assemble the pins and the load spring for hook 9 pin 13 must be fastened so that it also acts ...

Page 23: ...ers and the oleo dynamic system as shown When using for the first time make sure there are no oil leaks If there should be any tighten the pipe fittings 5 2 13 The frame is now complete and the rear and side cowls can be assembled ...

Page 24: ...and nut 19 Some play must be left without tightening them com pletely Warning the diagram shows a rear cowl with straight axles for SM 3600 In fact the rear cowls for the SM 4500 and the SM 5200 have axles shared in two pieces 5 2 15 In order to assemble the side cowls place the lower hole of frame 1 to match hole A on the cowl and then insert pin 6 and lock split pin 7 Then use pin 3 to fasten th...

Page 25: ...ll have the same tension so that when the cable is stretched to enable the arms to be lowered the three hooks operate simultaneously The side cables must be passed inside the two rings welded on to the frame The three cables must be joined after they have been passed through the first central ring and finally the single cable passes through the ring nearest the tractor ...

Page 26: ...fer to the tractor operator s manual 6 2 MOUNTING TO THE TRACTOR In order to fasten the ma chine to the tractor insert reverse gear so that the tractor draw bar matches coupling 5 on the ma chine and insert the pin to fasten into position To enable the tractor hook to pass through coupling 5 on the machine move foot 3 When the machine has been assembled its frame should be parallel to the ground s...

Page 27: ...stem is provided this should be fitted to the machine end not to the tractor end During both transport and use avoid conditions where the Cardan transmission shaft is extended to the maximum In all working conditions the te lescopic tubes must overlap by at least 1 3 of their length Fig 6 1 Conversely when the Cardan shaft is contracted to the maximum there should still be a gap of ap proximately ...

Page 28: ...if the tractor or machine is very dirty you could leave a trail of soil grass and other matter which could dirty the road and obstruct normal traffic The machine is not suitable for long journeys on public roads The hydraulic cylinders have to be used to transport the machine in order to raise the arms with the cowls as shown in the following diagram When the arms are raised check that the safety ...

Page 29: ... is poor If this is unavoidable work at a slow speed so as to ensure operator safety Always switch off the tractor engine apply the parking brake and remove the ignition key whenever you have to attend to the machine to make adjustments or to remove grass and other objects which might be entan gled in the machine Before leaving the tractor disengage the power takeoff lower the machine until its wh...

Page 30: ... leaving the tractor in gear 4 Apply the parking brake 5 Remove the ignition key from the instrument panel Now prepare the machine for field use as indicated below 6 6 1 PRELIMINARY CHECK Ensure that 1 The power takeoff speed is 540 r p m for special machines made on request gearboxes are fitted and preset for power takeoff with a speed of 1000 2000 r p m 2 The direction of rotation of the tractor...

Page 31: ...d near the machine or any moving parts It is the du ty of the operator to ensure that this requirement is respected In order to change the machine to its working position operate the cylinders so that the safety cowls are re moved Then use the cable to move the hooks and free the lock pins Invert the movement of the hydraulic cylinders to lower the arms with the side and rear cowls Continue to low...

Page 32: ...des When the blades have stopped use the hydraulic cylinders to raise the arms The cylinders must continue to operate until the safety hooks have been inserted Then check that the safety hooks are inserted correctly before transporting the machine Make sure however you also follow the rules given in chapter 6 4 ADJUSTMENT PREPARATION AND USE ...

Page 33: ...e the screws 1 2 and take off the protective guard 3 b Loosen the nuts 4 which secure the slide reduction unit 5 c Loosen the lock nut 6 d Adjust the screw 7 so that the slide reduction unit 5 can move in direction A until the belt 8 has a flexure in section C equivalent to the flexure E indicated in the table e Now re tighten the screw 7 with the lock nut 6 and re secure the slide reduction unit ...

Page 34: ...lt subjected to a force of 75 N 7 5 kg applied to the center of the section Diameter of the smallest belt pulley mm Values of K mm 80 160 3 160 224 2 55 224 355 2 22 355 2 1 C Longer section of belt of transmission mm C 2 The middle of the longer belt of transmission where the force F must be applied mm F Force applied to check the tension of the belts equivalent to 75 N 7 5 kg The table below rep...

Page 35: ...t a Raise the machine to the tractor hoist s maximum height and apply the parking brake b Disconnect the power takeoff turn off the tractor and remove the key from the ignition c Insert a support between the machine and the ground to prevent it from falling d At this point tighten the hub pin 2 with the wrench 1 and unscrew the nut 4 with the wrench 3 e Then remove the blade 5 and replace it with ...

Page 36: ...ion key 7 Repeat the operations described on point 6 2 page 25 but in reverse To park the machine In order to park the tractor with the machine attached place it far from any obstacles and then rest the cowls on the ground according to the instructions described above To release the machine When the machine has to be released from the tractor reverse back into the place where the machine has to be...

Page 37: ...an area having the proper equipment readily available and in good condition This area must always be kept clean and dry and must have enough surrounding space to facili tate operations Any work must be carried out by trained personnel Contact the dealer nearest to you Respect the warnings and procedures for maintenance and technical assistance given in this manual Do not use petrol solvents or oth...

Page 38: ...ontrol and to operate in safety practise various manoeuvres by simulating those required in the workplace with the help of an experienced person If you activate the machine while it is raised from the ground make sure there is nobody standing nearby or in a dangerous position 7 3 LAYING UP FOR EXTENDED PERIODS At the end of the season or when an extended period of inactivity is envisaged it is adv...

Page 39: ...tach the protective guard A properly To change or top up the oil remove the caps B C from the gearbox 3 Pour the oil into the hole of cap B until it comes out of the hole of cap C and then put back both caps The quantity of oil needed for a complete change is 0 5 litres The type of oil used must be in accordance with regulation ISO 320 VG The maintenance table specifies how often the oil should be...

Page 40: ...d split pins to be carried out initially after the first 8 hours of use Subsequently every 50 hours and whenever the machine is laid up for extended periods Note Grease type NLGI2 Oil type ISO 320 VG SAE 80W 90 EP X First time after 50 hours Then every 500 800 hours It is advisable anyhow to replace oil at least once a year Check oil every 50 hours Y Each time the Cardan shaft is disconnected and ...

Page 41: ...shaft manual you should follow the instructions given by the Cardan shaft manufacturer 7 6 1 MAINTENANCE OF SLIDING PARTS DISMANTLING Turn the two eccentric pins on the ferrule until the protective cone comes free Withdraw the shaft protec tive guard Cheek the condition of the ferrule and all protective parts ASSEMBLY Lubricate the supporting ferrule seating Refit the supporting fer rule Reattach ...

Page 42: ...ne Directives 89 392 EEC 91 386 EEC 7 8 SCRAPPING THE MACHINE The machine consists mainly of ferrous material which must be disposed of according to the regulations in force in the country concerned There is also a small amount of plastic which must be disposed of according to the regulations in force in the country concerned There is a very small amount of residual grease which must be disposed o...

Page 43: ...Zona Industriale Viale Grecia 8 06018 TRESTINA Perugia ITALY Tel 39 075 8540021 Telefax 39 075 8540523 e mail sitrex sitrex it www sitrex com Spa ...

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