Mower Deck.fm
Contents
1. until the deck is completely vertical and rest the rear edge on the ground STIGA Edition Page 2008 05 19 Workshop Manual Machines with quick connections 1 2 gt 0 O1 Set the maximum cutting height Detach the rear section of the deck on the Set the quick connections in their rear Activate the parking brake lf the deck has electrical cutting height adjustment disconnect the cable from the machine right and left hand side as follows A Lift up the left hand rear section of the deck slightly to reduce the load from the cotter pin B Remove pins and washer C Remove the right hand cotter pin and washer in the same way positions Release the belt tension as follows Park 4WD Park 4WD Grip the belt tensioner s lever with your left hand Pull the lever and remove the tensioner with your right hand STIGA Editon Produci 2008 05 19 Workshop Manual Mower Decks Park 2WD Remove the tensioner from the belt N Force the belt off the deck s pulley 00 Grip the front edge of the deck and lift up Lift until the deck is completely vertical and rest the rear edge on the ground Resetthe deck according to the actual previous described assembly instruction 3 Safety To reduce the risk of accidental injury in the event of a collision and to protect important parts in the cutting deck a force limiter is integrated as follows e S2. 4 4 Replacement of belt 92 M 107 M This procedure is valid for 107 M eS where the blades rotate in the same direction and for 92 M To replace the timing belt follow the steps below 1 Remove the deck cover by loosening the two nuts and the screw 2 Loosen but don t remove the two screws A and B holding the timing belt adjustment arm See the figure 3 Remove the V belt support C and the V belt 4 Back off the timing belt and assemble the new one STIGA Edition 2008 05 19 Workshop Manual 5 Reassemble the V belt and its support C Warning The tracks of adjacent blades are over lapping each other which means that the synchronization is vital Failed syn chronization will result in severe dam age to the blades and to the deck When the timing belt is engaged with the pulleys the blades shall be displaced exactly 90 in relation to each other See the figure N Adjust the timing belt tension as described below and refit the deck cover 4 5 Adjusting the timing belt 92 M 107 M This procedure is valid for 107 M 0 where the blades rotate in the same direction and for 92 M Adjust the timing belt as follows 1 Measure the tension The belt shall move 10 mm when it is pressed in with a force of 30 35 N as illustrated in the figure If the timing belt needs adjusting loosen the two nuts A and B in the figure NO Q Move the adjustment arm by help ofa 17
3. Only applies to 2WD machines Bend out the cotter pin s A leg along the periphery of the shaft in order to secure it in the shaft N Only applies to 4WD machines Lubricate the lubricating cup for the quick release mounting using a grease gun until grease penetrates along the shaft sides 7 3 Using the quick connections Releasing the belt tension 1 Remove the locking pins C from both sides 2 Press down the rear section of the quick release mountings with your heel 3 Carry out necessary corrective action e g setting the deck to the service position Tensioning the belt First tension one side and then the other according to the instructions below Use protective gloves when handling A the lever Risk of crushing injuries 1 Firmly grasp the lever 5 G in front of the centre of the shaft and carefully turn 180 forwards 2 Install the locking pin C 3 Carry out the above on the other side
4. the deck Is raised 3 Tighten the screws Note r The blades shall be tightened to 24 Nm 6 4 Replacement of belt To replace the internal belt follow the steps below 1 Rise the two attachment arms and let them rest against the frame tubes Note r To avoid laquer damages place protection plates under the arms 2 If necessary remove the top cover TIGR Edition Page 2008 05 19 Workshop Manual 3 Set the cutting height to max If the deck is provided with electrical height adjustment connect the cable either to a machine and use the machine switch or to a separate battery 4 Remove the deck cover by loosening the two rear screws and if necessary the belt guide with its two screws STIGA Edition 2008 05 19 Workshop Manual 5 Force the belt over a suitable pulley and remove the belt The tensioning roller will follow automatic Check the three knife shaft bearings as follows e Grab the pulley and force it in the radial direction No radial play shall be felt e Grab the knife and force it in the radial direction No radial play shall be felt e Rotate the shaft No abnormal bearing noise shall be heard N Check the linkage for play and other damages 00 If bearing faults are determined proceed with Replacements of pulleys shafts and bearings at page 54 below lf the linkage needs repair proceed with Linkage at page 56 Otherwise mount
5. 43 1 4 4 Basic setting ccceceseeeeeeeeees 9 1 6 6 Replacements of pulleys shafts 1 4 5 Washing position 9 and bearings cccccseeeeeeeeeees 43 1 4 6 Service position cccceeeees 10 1 7 Mower deck 110 125 Combi Pro 47 1 4 7 Salel ass 14 1 7 1 Assembly on delivery 47 1 4 8 Replacement of blades 15 1 7 2 Raising the deck 49 1 4 9 Repl of belt Villa Ready deck 17 1 7 3 Replacement of blades 51 1 4 10 Repl of belt Park deck 20 1 7 4 Replacement of belt 51 1 4 11 Rep of center pulley bearings 22 1 7 5 Adjustment of the belt 53 1 7 6 Replacements of pulleys shafts and bearings ccccseeeeeeeeeees 54 1 7 7 Linkage cceecceeceeeeeeeeeeeeeeeens 56 1 8 Quick connections uuuueennn 57 1 8 1 DESCHPUON anne 57 1 9 2 ASSCMDY ars 57 1 8 3 Using the quick connections 58 STIGA Edition Page 2008 05 18 Workshop Manual 1 General The decks are equipped with two or three synchronised rotating blades The tracks of adjacent blades are overlapping each other which means that the synchronization is vital All shafts pulleys are pivoted in sealed and permanent lubricated ball bearings All decks are provided with a quick coupling to simplify the lifting up procedure for cleaning and inspection and The decks are also provided with an electrical
6. Right pulley If the blade shaft bearings bearing housings shall be replaced see the next page Refit and adjust the timing belts as described previously TIGR Edition Page 2008 05 19 Workshop Manual Blade shaft bearings Each blade shaft is equipped with two sealed and permanent lubricated ball bearings To replace the blade shaft bearings first remove the timing belt their pulleys and the blade shafts as described previously Than proceed as follows 1 Remove the actual bearing housing by unscrewing the four M8 screws NO Perform the bearing replacement as described Blade shaft bearings at page 32 in position 3 7 at page 32 Warning To avoid burns use gloves when handling heat parts 3 Assemble the pulleys Refit and adjust the timing belts as described previously STIGA Edition Page 2008 05 19 Workshop Manual 6 Mower deck 110 and 125 Combi Pro 6 1 Assembly on delivery This instruction describes assembly with fixed deck connections If quick connections shall be used see Quick connections at page 57 Mower deck 1 Take the deck out of the box 2 Place the cutting deck in position in front of the machine 3 Install the deck mounts on the front shafts Note r One flat washer shall be placed at each side of the deck arms onto the wheel shafts 4 Remove the pins and the washers on both sides 5 Screw the arms into each other 6 Suspend the cu
7. or manual adjusting device for the cutting height All decks are tested prior to delivery and are delivered as completely assembled as possible This ensures that assembly on delivery is rapid and simple This chapter describes assembly on delivery repair replacements and adjustments of stressed parts of the mower decks 1 1 General tightening torque Unless otherwise stated the following tightening torque are applicable for screws and nuts on the machine Tightening torques Thread Torque M5 5 Nm M6 9 Nm M8 22 Nm M10 45 Nm Note Blade shafts with external threads cutted at the shaf have special tightening torques Note the actual torque in the special case STIGA Edition Page 2008 05 19 Workshop Manual 1 Cutting theory 1 1 Cutting height The best cutting results are achieved when the when the top third of the grass is cut off l e 2 3 of the length of the grass remains lf the grass is long and has to be cut significantly cut twice using different cutting heights Do not use the lowest cutting heights if the lawn surface is uneven This would entail a risk of the blades being damaged against the surface and the lawn s top layer of soil being removed 1 2 Incline The cutting deck s rear section can be lifted so that the deck has a greater forward incline than that provided by the basic setting This incline affects the cutting results as follows No incline When the deck is in the ba
8. or the spring depending on model co If applicable fit the electrical height adjustment connector to the machine Basic setting Perform basic setting as follows 1 Place the machine on a level floor Requirements for floor flatness 1 mm m No slope towards a floor drain or similar may occur in front of or behind the machine NO The tyres must have the correct air pressure ee Place the deck in transport position and lay a plane parallel plank under the deck N Place a 5 mm tall spacer on the plank under the rear edge of the cutting deck and lower the deck to the working position O1 Undo the screws K so that the deck rests against the plank and the spacer Check that the deck does not lean sideways in relation to the machine Tighten the screws K to 22 Nm Place the deck in transport position and remove the plank N O STIGA Edition Page 2008 05 19 Workshop Manual 4 2 Raising the deck After every cutting the deck shall be raised for cleaning and inspection The raising procedure is performed in five steps The lowering is performed in the same five steps but with step 2 4 in the opposite order The steps order at raising are as follows 1 Set the cutting height just above the middleheight Since the deck is moving up and down in a cirkular movement it will be closest to the PTO pulley which facilitate the belt attachment NO Lift the deck at the rear and r
9. position 3 7 at page 32 STIGA Edition Page 2008 05 19 Workshop Manual Assembly Assemble the shaft unit in the reverse order 1 NO Se O A Fit the bearing housing on the deck with the Mount the washers J and K and sleeve L Push up the shaft through the bearings Assemble the upper parts as described at mark UP faced upwards Note r The blades shall be tightened to 24 Nm Note f According the blades see Replacement of blades at page 51 The bearings H and sleeve I shall be mounted in the bearing housing four screws and washers on the shaft the previous page Note f The pulleys F shall be turned with the STIGA Edition Page 2008 05 19 Workshop Manual 6 7 Linkage 1 Remove the covers as described in Replacement of belt at page 51 NO The cutting height shall remain in the upper position In this position the spring has a minimum of tension OO Benda 1 mm steel wire to form a narrow hook fit it to the spring loop and pull off the spring N Remove the elbow links Use a 13 spanner and hold with a 11 mm U spanner O1 Replace defective parts and assemble in the reverse order Adjustment of linkage The deck linkage desires the difference between the ground height at the rear and front part of the deck To achieve correct basic setting of the deck perform the inclination adjustment as follows 1 Place a plane pa
10. 7 19 mm e Blade shaft pulley A and blade shaft Warning The blades are sharp Always wear gloves when working with the blades to avoid injury Hold the blade under the deck by hand and remove the nut with a 17 19 mm spanner ook NO Normally the pulleys can be forced from the shaft by hand however if it is tight on the shaft a puller can be used See the figure Q Remove the key A and washer B under the pulley The washer B is introduced during pending production to prevent axial play i e all decks are not provided with the washer N Pull out the blade shaft downwards O1 Replace defective parts and assemble in reverse order Older decks without washer B shall be provided with the washer See the spare parts catalogue STIGA Edition Page 2008 05 19 Workshop Manual Note r The the location of the distance C washer B and key A on the blade shaft Warning The threads will be destroyed if the nuts are tightened above the torques defined below 5 Tighten the shaft nut as follows M10 to 40 Nm M12 to 50 Nm 6 Refit and adjust the timing belt as described previously Blade shaft bearings Each blade shaft is equipped with two sealed and permanent lubricated ball bearings To replace the blade shaft bearings first remove the timing belt their pulleys and the blade shafts as described previously Than proceed as follows 1 Remove the transm
11. B 1 Stretch the belt by pulling the the left bearing Alternative B Onn housing n H cena ad a i ee og hy il wi ae aan ho NO Tighten the four bearing housing screws OO Apply a force as per the table below in the middle of the belt The belt shall move 10 mm If not loosen the bearing housing and repeat step 1 2 above until the movement is OK Timing belt adjustments 85 Combi 95 Combi When assembling the belt cover H use the two M8 screws with 12 mm head The cover recesses have no place fora 13 mm spanner STIGA Edition Page 2008 05 19 Workshop Manual 3 10 Replacement of belt Park deck Disassembly 1 Remove the belt cover H by unscrewing the screws I Use a 12 mm box spanner 2 Remove the belt guide with screws 13 mm spanner 3 Loosen the left and right bearing housing screws a couple of turns 8 screws Note r The bearing housings are lateral adjustable to perform the timing belt adjustments 4 Work off the belts from the pulleys Checks 1 Check the torque limiting between gear wheels and blade shaft See Synchronising blades at page 17 2 Check the two blade shaft bearings as follows e Grab the pulley and force it in the radial direction No radial play shall be felt e Grab the knife and force it in the radial direction No radial play shall be felt e Rotate the shaft No abnormal bearing noise shall be heard STIGA
12. Edition Page 2008 05 19 Workshop Manual 5 Remove the belt cover H by loosening the screws l 6 Loosen the belt guide screws K a couple of turns N Release the belt tension as follows Park AWD Grip the belt tensioner s lever with your left hand Pull the lever and remove the tensioner with your right hand Villa Ready Remove the tensioner from the belt 8 Force the belt off the deck s pulley 9 Grip the front edge ofthe deck and lift up Lift until the deck is completely vertical and rest the rear edge on the ground Resetthe deck according to the actual previous described assembly instruction STIGA Edition Page 2008 05 18 Workshop Manual Park 2WD with fixed deck connections 4 gt 0 O1 N Reset the deck according to the actual previous described assembly instruction Set the maximum cutting height Detach the rear section of the deck on the Release the belt tension by removing the Force the belt off the machines s pulley Grip the front edge of the deck and lift up Lift Activate the parking brake 2 lf the deck has electrical cutting height adjustment disconnect the cable from the machine right and left hand side as follows A Lift up the left hand rear section of the deck slightly to reduce the load from the cotter pin B Remove pins and washer C Remove the right hand cotter pin and washer in the same way belt tensioner
13. Edition Pago 2008 05 19 Workshop Manual The bearing housings are not divided in additional spare parts If bearing failure is detected replace the entire bearing housing 3 Check the center pulley bearings as follows e Grab the pulley and force it in the radial direction No radial play shall be felt e Rotate the pulley No abnormal bearing noise shall be heard To replace bearings see Replacements of center pulley bearings at page 22 Assembly of belt Park deck Assemble the timing belts in the reverse order Before the the left and right bearing housing screws are tightened the belts shall be adjusted Alternative A Adjust as follows Alternative A 1 Stretch the belt by pulling the the bearing housings with a force of 300 N 30 kg 2 Tighten the bearing housing screws Alternative B 1 Stretch the belt by pulling the the left bearing housing Alternative B NO Tighten the four bearing housing screws Q Apply a force as per the table below in the middle of the belt The belt shall move 10 mm If not loosen the bearing housing and repeat step 1 2 above until the movement is OK Timing belt adjustments 95 Combi 105 Combi 80 70 N TIGR Edition Page 2008 05 19 Workshop Manual When assembling the belt cover H use the two M8 screws with 12 mm head The cover recesses have no place fora 13 mm spanner 12 mm head 3 11 Replacements of center pulley bearings To repl
14. Workshop manual Cutting decks 2WD 4WD 2000 2008 STIGA Page 2008 05 19 Workshop Manual Mower Deck Contents in this chapter 1 1 General 2 1 5 Multiclip 107 M and 92 M 24 1 1 1 General tightening torque 2 1 5 1 Assembly on delivery 24 1 2 Cutting theory 0 2u0020000020n0nn 3 1 5 2 Raising the deck 26 1 2 1 Cutting height en 3 1 5 3 Replacement of blades 27 1 2 2 CINE 2er 3 1 5 4 Repl of belt 92 M 107 M 27 1 3 Original blades uuu2 2022020002 4 1 5 5 Adj the timing belt 92 M 107 M28 1 3 1 Why it is so important to use origi 1 5 6 Replacement of belt 107 M 29 nal blades and blade tips from the 1 5 7 Adj the timing belt 107 M 29 retail dealer 4 1 5 8 Replacements of pulleys shafts 1 4 Mower deck 85 95 105 Combi 5 and bearings 2 u00 30 1 4 1 Assembly on del of Park 4WD with 1 6 Mower Deck 121 37 fixed deck conn and Villa Ready 5 1 6 1 Assembly on delivery 37 1 4 2 Assembly on delivery of Park 2WD 1 6 2 Raising the deck 39 with fixed deck connections 7 1 6 3 Replacement of blades 40 1 4 3 Assembly on delivery of machines 1 6 4 Replacement of belts 40 with quick connections 8 1 6 5 Adjustment of belts
15. ace the center pulley bearings first remove the timing belts See Replacement of belt Park deck at page 20 Proceed as follows 1 Remove the pulley plate by unscrewing the two screws 2 Set up the unit in a vise and disassemble it Use two 17 mm spanners STIGA Edition Page 2008 05 19 Workshop Manual 3 Replace defective parts and assemble in the reverse order According the parts location see the figure STIGA Edition Page 2008 05 19 Workshop Manual 4 Multiclip 107 M and 92 M 4 1 Assembly on delivery 1 Take the deck out of the box Fitthe deck arms in the front deck atachments NO N Set the cutting height just above the middleheight In this position the deck arms are not blocked by the side supports at the deck Since the deck is moving up and down ina cirkular movement it will be closest to the PTO pulley which facilitate the belt attachment O1 Attach the deck arms to the front wheel shafts of the machine and secure with the locking pins Note r One flat washer shall be placed at each side of the deck arms onto the wheel shafts 6 Lift up the deck at the rear at the left and right side until the deck engages in the quick release locks 7 Attach the front spring hinge to the machine front elevating arm STIGA Edition Page 2008 05 19 Workshop Manual 00 Fit the V belt to the articulation point pulley and tension the belt by hooking up the lever
16. ades rotate in the same direction and for 92 M To dismantle the adjustment pulley B first remove the timing belt as described previously Then proceed as follows 1 Hold the nut under the unit and remove the screw at the top of the unit Use two 17 mm spanners The bearing and pulley are permanently assembled and shall be replaced as one unit 2 Assemble the new pulley in reverse order Note Note the location of the distance A and washer B 3 Refit and adjust the timing belt as described previously STIGA Edition Page 2008 05 19 Workshop Manual Adjustment pulley D 107 M This procedure is valid for 107 M TS where the blades rotate against each other To dismantle the adjustment pulleys D first remove the timing belt as described previously Then proceed as follows 1 Remove the nuts B and C take care of the screws and washers from the under side NO Take out the entire adjustment plate with the two pulleys and remove the pulleys Use two 17 mm spanners ee Disassemble the pulleys by removing the four M6 screws with nuts N Check the bearings by rotating them No abnormal noise shall be heard O1 Assemble the pulleys in reverse order Refit and adjust the timing belt as described previously STIGA Edition Page 2008 05 19 Workshop Manual Intermediate pulleys with bearings To dismantle the intermediate pulleys with bearings fi
17. balanced This guarantee a minimum of vibration and noise which gives a maximal durability of the machine It also guarantee that the machine corresponds to the specification according to noise and vibrations Optimal cutting result Blades and blade tips from the retail dealer are optimized in the application l e the blades are adapted to the shape och the cover and the number of revolutions to give the best cutting result STIGA Edition Page 2008 05 19 Workshop Manual 3 Mower deck 85 95 105 Combi 3 1 Assembly on delivery of Park 4WD with fixed deck connections and Villa Ready 1 Place the deck in position in front of the machine 2 Check that the deck mounts are installed on the machine as follows Washer D Only machines up to and including 2006 Deck mount C Washer B Circlip A 3 Screw the arms into each other 4 Remove the belt cover H by loosening the screws l STIGA Edition Page 2008 05 19 Workshop Manual MowerDeks CS 5 Loosen the belt guide screws K acouple of Villa Ready turns 6 Set the maximum cutting height 7 Work off the belt from the cutting deck pulley 8 Fit the belt to the machine pulley and after that to the cutting deck pulley 9 Tighten the belt guide screws K 10 Tension the belt as follows Park 4WD Grip the belt tensioner s lever with your left hand Pull the lever and apply the tensioner to the outside of the belt with your
18. d in five steps The lowering is performed in the same five steps but with step 2 4 in the opposite order The steps order at raising are as follows 1 Set the cutting height just above the middleheight Since the deck is moving up and down in a cirkular movement it will be closest to the PTO pulley which facilitate the belt attachment 2 Liftthe deck atthe rear and release the locking pin at the right side 3 Liftthe deck atthe rear and release the locking pin at the left side Note Disconnect the connector for the electric height adjustment from the machine 4 Slacken the belt by hooking off the lever or the spring depending on model and remove the V belt from the articulation point pulley 5 Raise the deck and let it rest on the rear As mentioned above the lowering is performed in the opposite order That means the steps above in the following order 1 5 4 3 2 STIGA Page 2008 05 19 Workshop Manual 5 3 Replacement of blades Warning The blades are sharp Always wear gloves when working with the blades to avoid injury 1 Release the screws that hold the blades and remove the blades After removing the blades check whether the shafts are damaged This is best done by rotating the shafts to see if they are out of true 2 Fit the blades with the raised edge towards the blade attachment The sharpened surfaces of the blades shall face in the rotation direction which is left when t
19. elease the quick release lock at the right side See A B C Lift the deck at the rear and release the quick release lock at the left side See above Q Note r lf the deck is equipped with electric height adjustment disconnect the connector from the machine N Slacken the belt by hooking off the lever or the spring depending on model and remove the V belt from the articulation point pulley 5 Raise the deck and let it rest on the rear As mentioned above the lowering is performed in the opposite order That means the steps above in the following order 1 5 4 3 2 STIGA Page 2008 05 19 Workshop Manual 4 3 Replacement of blades Warning The blades are sharp Always wear gloves when working with the blades to avoid injury 1 Release the screws that hold the blades and remove the blades After removing the blades check whether the shafts are damaged This is best done by rotating the shafts to see if they are out of true 2 Fit the blades with the raised edge towards Note the blade attachment The blades shall be tightened to The sharpened surfaces of the blades shall o4Nm face in the rotation direction which is left for l 92 M when the deck is raised 107 M exist in two versions e Both blades rotate in the same direction Y whichs is left e The blades rotate against each other I This deck is denominated 107 M 3 Tighten the screws to the correct torque
20. he deck is raised 3 Tighten the screws to 24 Nm 5 4 Replacement of belts To replace the timing belts follow the steps below 1 Removethe deck cover by loosening the two Screws 2 Loosen the four screws for the left and right bearing housings a few turns with a 13 mm box spanner through the pulleys Note Do not loose the intermediate bearing housing STIGA Edition Pago 2008 05 19 Workshop Manual 3 Loose the tension bar screws a few turns and slacken the belts Warning The blades are sharp Always wear gloves when working with the blades to avoid injury 4 Remove the V belt pulley with a 16 mm ring spanner Hold the blade from the under side 5 Work off the timing belts at the intermediate pulley Note r First the right belt and than the left one 6 Check the three knife shaft bearings as follows e Grab the pulley and force it in the radial direction No radial play shall be felt e Grab the knife and force it in the radial direction No radial play shall be felt e Rotate the shaft No abnormal bearing noise shall be heard If bearing faults are determined proceed with Replacements of pulleys shafts and bearings at page 43 7 Fit the new belts onto the pulleys First the left belt and than the right one STIGA Page 2008 05 19 Workshop Manual Warning The tracks of adjacent blades are over lapping each other which means that the synchroniza
21. hear bolts between blades and blade bar e Torque limiting between gear wheels and blade shaft e Possibility of positive drive belt slipping on the plastic gear wheels STIGA Page 2008 05 19 Workshop Manual 3 8 Replacement of blades Warning The blades are sharp Always wear gloves when working with the blades to avoid injury Warning When replacing both blades on the same blade bar must be replaced to avoid imbalance Disassembly 1 Remove the belt cover H by unscrewing the screws l 2 Check the torque limiting between gear wheels and blade shaft The arrows in the figure must be opposite each other for an intact deck When torque limiting has deployed the arrows are not opposite each other 1 Rise the deck to its service position See Service position at page 10 2 Release the screws that hold the blades and remove the blades 3 After removing the blades check whether the shafts are damaged This is best done by rotating the shafts to see if they are out of true STIGA Edition Page 2008 05 19 Workshop Manual Assembly 1 Fit the blades according to the figure The sharpened surfaces of the blades shall face in the rotation direction which is left when the deck is raised Note the following when reassembling e The blades and blade bar must be installed as in the figure e The blades can be turned 1 3 of a turn in their mountings Select positions so that the b
22. ission plate by unscrewing the 9 M8 screws and the Phillips screw B Each M8 screw has a nut on the opposite side under the deck except the screw A Use two 13 mm wrenches NO Remove the transmission plate and the bearing housings ee In normal cases the complete bearing housing shall be replaced in this case proceed with step 9 The bearing housing is not divided in the spare parts list However the bearings can be replaced as described below 4 Set up the bearing housing in a vice and move the distance between the bearings off centre STIGA Page 2008 05 19 Workshop Manual Warning To avoid burns use gloves when handling heat parts 5 Heat the bearing housing to about 100 C and knock carefully out the lower bearing with help of a round bar and a hammer 6 Turn the bearing housing and knock out the other bearing 7 Refit new bearings and the distance when the bearing housing is still warm 8 Assemble the bearing housings and transmission plate in the reverse order Note r Check that the dowel pins C at the bearing housings fit in the holes in the deck housing See the figure Note r Check thatthe cup washes D is in place See the figure 9 Assemble the pulleys Refit and adjust the timing belt as described previously STIGA Edition Page 2008 05 19 Workshop Manual Adjustment pulley B 92 M 107 M This procedure is valid for 107 M Oe where the bl
23. k in position in front of the machine NO Check that the quick connections are fitted to the machine See Quick connections at page 57 oe Screw the arms into each other gt Set the maximum cutting height O1 Set the quick connections in their rear positions See their supplied separate instruction OD Fit the belt on to the machine pulley N Tension the belt as follows Park AWD Grip the belt tensioner s lever with your left hand Pull the lever and apply the tensioner to the outside of the belt with your right hand Park 2WD Tension the belt with the belt idler The belt idler should be on the left side of the belt viewed from the driver s position STIGA Edition Page 2008 05 19 Workshop Manual MowerDeks f 8 Set the quick connections in their front positions and fit the locking pins C 9 Suspend the unit in the implement lifter 10 Perform the cutting deck basic setting See Basic setting at page 9 11 If the deck has electrical cutting height adjustment connect the cable to the machine s front right socket 3 4 Basic setting In order for the cutting deck to cut optimally the correct basic setting is required The deck is in the basic setting when its rear edge is 5 mm above its front edge This means that the deck is inclined forwards Move the deck to the basic setting by lifting and securing as follows On machines with 17 wheels Install
24. l 2 Remove the following e Belt guide with screws 13 mm key e Shaft screw with washer 19 mm key e Pull up the pulley A 3 Loosen the four screws for the left bearing housing a couple of turns Note r The left bearing housing is lateral adjustable to perform the timing belt adjustment 4 Remove the key at the right shaft and lift the pulley together with the belt Checks 1 Check the torque limiting between gear wheels and blade shaft See Synchronising blades at page 17 2 Check the two blade shaft bearings as follows e Grab the pulley and force it in the radial direction No radial play shall be felt e Grab the knife and force it in the radial direction No radial play shall be felt e Rotate the shaft No abnormal bearing noise shall be heard The bearing housings are not divided in additional spare parts If bearing failure is detected replace the entire bearing housing STIGA Page 2008 05 19 Workshop Manual Assembly of belt Villa Ready deck Assemble the timing belt in the reverse order Correctly synchronised blades must be offset 90 from each other See Synchronising blades at page 17 Before the the left bearing housing screws are tightened the belt shall be adjusted Alternative A Adjust as follows Alternative A 1 Stretch the belt by pulling the the left bearing housing with a force of 300 N 30 kg 2 Tighten the four bearing housing screws Alternative
25. lades are offset 90 from each other See Synchronising blades at page 17 Tightening torque Screws P 45 Nm Shear bolts Q 9 8 Nm In the event of a collision the shear bolts Q can break and the blades bend back If this has happened install genuine shear bolts and tighten as above 2 Tighten all screws STIGA Edition Page 2008 05 19 Workshop Manual Synchronising blades The deck has synchronised blades IF one of the blades has struck a solid object e g a stone the synchronisation may be altered This entails a risk of the blades colliding with each other Correctly synchronised blades must be offset 90 from each other See the figure Always check synchronisation after a collision lf the blades are not synchronised one or more of the following faults may have occurred in the cutting deck e The positive drive belt has slipped on the gear wheels e Torque limiting between gear wheels and blade shaft has deployed The arrows in the figure must be opposite each other for an intact deck When torque limiting has deployed the arrows are not opposite each other e The blade member is incorrectly installed on the blade shaft Can be installed in three different positions See the previous page 3 9 Replacement of belt Villa Ready deck Disassembly 1 Remove the belt cover H by unscrewing the screws I Use a 12 mm box spanner STIGA Page 2008 05 19 Workshop Manua
26. mm spanner and tighten the nuts first nut B and then nut A Note r Both nuts must be tightened when the measurement is performed 4 Measure the tension as described above and if necessary make a new adjustment STIGA Edition Page 2008 05 19 Workshop Manual 4 6 Replacement of belt 107 M This procedure is valid for 107 M where the blades rotate against each other To replace the timing belt follow the steps below 1 Remove the deck cover by loosening the two nuts and the screw NO Loosen but don t remove the three screws C holding the timing belt adjustment arm see the figure Q Remove the V belt support A and the V belt Slacken the timing belt by removing the nut B Back off the timing belt and assemble the new one N N O1 Reassemble the V belt and its support A Warning The tracks of adjacent blades are over lapping each other which means that the synchronization is vital Failed syn chronization will result in severe dam age to the blades and to the deck O gt When the timing belt is engaged with the pulleys the blades shall be displaced exactly 90 in relation to each other See the figure N Adjust the timing belt tension as described below and refit the deck cover 4 7 Adjusting the timing belt 107 M This procedure is valid for 107 M Oe where the blades rotate against each other Adjust the timing belt a
27. on 1 Lower the deck 2 Proceed according to position 4 at page 48 Service position 1 Activate the parking brake 2 Set the implement lifter in transport position 3 If the deck has electrical cutting height adjustment disconnect the cable from the machine 4 Set the highest cutting height EI 49 STIGA Edition Produc 2008 05 19 Workshop Manual Mower Decks 5 Remove pins and washers 6 Slacken the belt by hooking off the lever or the spring depending on model and remove the V belt from the articulation point pulley 8 Grip the front edge of the deck and lift up Lift until the deck is completely vertical and rest the rear edge on the floor Reset service position 1 Lower the deck 2 Proceed according to Assembly on delivery at page 47 position 6 and further STIGA Page 2008 05 19 Workshop Manual 6 3 Replacement of blades Warning The blades are sharp Always wear gloves when working with the blades to avoid injury 1 Rise the deck to its service position See Service position at page 49 2 Release the screws that hold the blades and remove the blades After removing the blades check whether the shafts are damaged This is best done by rotating the shafts to see if they are out of true 3 Fit the blades with the raised edge towards the blade attachment The sharpened surfaces of the blades shall face in the rotation direction which is left when
28. ove the two height locking pins 6 Secure the short deck arms to the deck with the two M10 screws Edition STIGA Page 2008 05 19 Workshop Manual N 00 co 10 Fit the electrical height adjustment Basic setting Perform basic setting as follows 1 GO N N 6 Tighten the screws H to 22 Nm 7 Place the deck in transport position and Heighten the deck at the rear and refit the Attach the front spring hinge to the machine Fit the V belt to the articulation point pulley The tyres must have the correct air pressure Place the deck in transport position and lay Place a 5 mm tall spacer on the plank under Undo the screws H so that the deck rests height locking pins front elevating arm and tension the belt by hooking up the lever or the spring depending on model connector to the machine Place the machine on a level floor Requirements for floor flatness 1 mm m No slope towards a floor drain or similar may occur in front of or behind the machine a plane parallel plank under the deck the rear edge of the cutting deck and lower the deck to the working position against the plank and the spacer Check that the deck does not lean sideways in relation to the machine remove the plank STIGA Page 2008 05 19 Workshop Manual 5 2 Raising the deck After every cutting the deck shall be raised for cleaning and inspection The raising procedure is performe
29. rallel plank under the wheels 2 Adjust the linkage until the deck front edge is 22 mm from the plank 3 Refit and lock the linkage adjustments Assembly Assemble all parts in the reverse order STIGA Edition Page 2008 05 19 Workshop Manual 7 Quick connections 7 1 Description The quick release mountings are intended for use on Stiga s Park machines 2WD and 4WD The quick release mountings allow the deck to be moved easily between the two positions e Normal position with fully tensioned belt e 4cm behind the normal position with slack ened belt As the belt idler is released from the belt the quick release mountings simplify belt and deck replacement and also make shifting to the washing position and service positions easier 7 2 Assembly The delivery consists of the following components The figures only display the right Park 2WD hand side but the numbers below refer to both gi sides EB fawasnes awasters Quick release Quick release mounting right mounting right and left and left 2 screws 2 screws Park 4WD Install the quick release mountings according to the instructions below 1 Only applies to 2WD machines Lubricate the shaft ends of the machine and the quick release mounting s bearing surface with oil before installation 2 Install the quick release mountings to the machine according to the figures STIGA Edition Page 2008 05 19 Workshop Manual Q
30. right hand Villa Ready Tension the belt with the belt idler The belt idler should be on the inside of the belt and pull out to the left viewed from the driver s position 11 Install the belt cover H with the screws STIGA Page 2008 05 18 Workshop Manual 12 Suspend the unit in the implement lifter 13 Perform the cutting deck basic setting See Basic setting at page 9 14 If the deck has electrical cutting height adjustment connect the cable to the machine s front right socket 3 2 Assembly on delivery of Park 2WD with fixed deck connections 1 Place the deck in position in front of the machine 2 Check that the deck mounts are installed on the machine as follows e Deck mount G e Washer F e Lock pin E 3 Screw the arms into each other 4 Set the maximum cutting height 5 Locate the belt around the machine s belt pulley 6 Tension the belt as follows Tension the belt with the belt idler The belt idler should be on the left side of the belt viewed from the driver s position 7 Suspend the unit in the implement lifter 8 Perform the cutting deck basic setting See Basic setting at page 9 9 If the deck has electrical cutting height adjustment connect the cable to the machine s front right socket STIGA Edition Pago 2008 05 19 Workshop Manual MowerDeks CS 3 3 Assembly on delivery of machines with quick connections ook Place the dec
31. rst remove the timing belt as described previously Then proceed as follows 1 Use a 17 mm spanner and remove the screw A and the pulleys Note r The nut is fixed under the plate and must not be held Dismantle the unit by unscrewing the four M6 screws NO Q Press out the bearing from the V belt pulley B Replace defective parts and assemble the unit in reverse order and according to the figure B V belt pulley C Bearing gt D Distance E Pulley halves F Fixation sleeve O1 Reassemble the pulleys to the mower deck Note the washers G above the unit Q Refit and adjust the timing belt as described previously STIGA Edition Pago 2008 05 19 Workshop Manual 5 Mower Deck 121 5 1 Assembly on delivery This instruction describes assembly with fixed deck connections If quick connections shall be used see Quick connections at page 57 1 Take the deck out of the box 2 Fit the deck short deck arms onto the front wheel shafts of the machine and secure with the locking pins Note r One flat washer shall be placed at each side of the deck arms onto the wheel shafts N Set the cutting height just above the middleheight In this position the deck arms are not blocked by the side supports at the deck Since the deck is moving up and down in a cirkular movement it will be closest to the PTO pulley which facilitate the belt attachment O1 Rem
32. s follows STIGA Edition 2008 05 19 Workshop Manual 1 Measure the tension The belt shall move 12 mm when it is pressed in with a force of 30 35 N as illustrated in the figure 2 If the timing belt needs adjusting loosen the three nuts C ca one turn in the figure 3 Loosen the counternut to nut B to the right of nut B and adjust the tension with nut B 4 Tighten the counternut to nut B and the three nuts C Note r All nuts must be tightened when the final measurement is performed 4 Measure the tension as described above and if necessary make a new adjustment 4 8 Replacements of pulleys shafts and bearings The mower deck 107 M 1 where the blades rotate in the same direction 92 M are equipped with three different types of pulleys namely e A Blade shaft pulleys 2 pcs e B Adjustment pulley e C Intermediate pulley which is two assem bled pulleys one for the timing belt and one for the V belt The mower deck 107 M 1 where the blades rotate against each other is equipped with three different types of pulleys namely A Blade shaft pulleys 2 pcs e C Intermediate pulley which is two assem w U Q ag D STIGA Edition Page 2008 05 19 Workshop Manual bled pulleys one for the timing belt and one for the V belt e B Adjustment pulleys 2 pcs To replace the pulleys shafts and bearings first remove the timing belt as described previously 1
33. sic setting the best mulching effect and good dispersion of the cut grass are achieved The basic setting is recommended for normal grass Incline When the cutting deck is inclined forwards the mulching effect is reduced while the cut grass is dispersed better Inclining forwards is recommended for thicker grass Z NIIT ill STIGA Edition Page 2008 05 19 Workshop Manual 2 Original blades 2 1 Why itis so important to use original blades and blade tips from the retail dealer The table below shows the demands on original blades and blade tips delivered from the retail dealer The table is intended to display the importance to use theoriginal blades and blade tips Demand Remar No splitting of blade tips Using steel balls the manufacturer simulates what can happen if you drive over foreign objects on the lawn The sharpening of the blades may be destroyed but no parts are allowed to loosen or fly away The impact test is the toughes durability test a lawn mower can be subject to An iron pipe is placed right into the blades during operation The blade can be deformed but it may not under any circumstances come off or split This test verifies that blades and other parts fulfil the high safety requirements Optimal balance Blades and blade tips from the retail dealer have exactly the Minimum of noise same weight Minimum of vibrations Blades and blade tips from the retail dealer are optimal
34. the washers and the pins in the top hole On machines with 16 wheels Install the washers and the pins in the middle hole 3 5 Washing position 1 Activate the parking brake 2 Set the implement lifter in transport position 3 Set the highest cutting height STIGA Edition Page 2008 05 19 Workshop Manual A Detach the rear section of the deck on the right and left hand side as follows A Lift up the left hand rear section of the deck slightly to reduce the load from the cotter pin B Remove pins and washers C Remove the right hand cotter pin and washer in the same way 5 Grip the front edge of the deck and lift up Hook on the chain so that the deck is pointing diagonally upwards Warning It is absolutely forbidden to start the engine when the deck is in the washing position Reset the deck according to the actual previous described assembly instruction 3 6 Service position Park 4WD with fixed deck connections and Villa Ready 1 Activate the parking brake 2 If the deck has electrical cutting height adjustment disconnect the cable from the machine Q Set the maximum cutting height 4 Detach the rear section of the deck on the right and left hand side as follows A Lift up the left hand rear section of the deck slightly to reduce the load from the cotter pin B Remove pins and washers C Remove the right hand cotter pin and washer in the same way STIGA
35. the new belt in the reverse order Note r Always use original spare belts from the retail dealer 6 5 Adjustment of the belt The internal belt is automatic adjusted by the roller fitted on the spring forced lever and does not need any further adjustment STIGA Edition Page 2008 05 19 Workshop Manual 6 6 Replacements of pulleys shafts and bearings To replace the pulleys shafts and bearings first remove the internal belt as described previously Below is described the disassembly assembly of the center shaft unit To repair the other units use the applicable instructions described below Blade shaft pulley and blade shaft Warning The blades are sharp Always wear gloves when working with the blades to avoid injury Hold the blades under the deck by hand and remove the pulley nut A with washer B Use a 17 mm ring spanner h NO Support the shaft unit against the floor witha wood piece or similar and remove the following parts e Upper pulley C e Key D e Distance sleeve E e Lower pulley F e Key G Lift the deck carefully at the front and pull out the shaft unit downwards Q lf the bearings shall be replaced proceed with Bearings below Otherwise proceed with Assembly Blade shaft bearings 1 Remove the four screws holding the bearing housing Use two 13 mm spanners 2 Take out the bearing housing 3 Replace the bearings as described in
36. tion is vital Failed syn chronization will result in severe dam age to the blades and to the deck 8 When the timing belts are engaged with the pulleys the blades shall be displaced exactly 90 in relation to each other See the figure Warning The threads will be detstroyed if the nut is tightened above the torque be low 9 Refit the V belt pulley with washer and nut Use a 16 mm ring spanner Hold the blade from the under side Note r Tighten the shaft nut to 50 Nm 10 Adjust the belts as described below 11 Refitthe deck cover and secure with the two screws and washers STIGA Page 2008 05 19 Workshop Manual 5 5 Adjustment of belts Adjust the timing belts as follows 1 Measure the tension The belt shall move 10 mm when it is pressed in with a force of 30 35 N as illustrated in the figure NO If the belts need adjustment loosen the four screws for the respective bearing housing a few turns with a 13 mm box spanner through the pulleys See the previous section Q Adjust the belts by moving the tension levers clockwise and tighten the bearing housing screws with a 13 mm box spanner gt Measure the tension as described above and if necessary make a new adjustment 5 6 Replacements of pulleys shafts and bearings To replace the pulleys shafts and bearings first remove the timing belts as described previously including the V belt pulley Blade shaft pulle
37. tting deck in the implement lifter STIGA Edition Product 2008 05 19 Workshop Manual Mower Decks Page 48 6 If the deck has electrical cutting height adjustment connect the cable to the machine s front right socket Belt The cutting deck s rear section should rest on the floor it should not be lifted or secured Install the belt as follows 1 Set the maximum cutting height NO Locate the belt around the machine s belt pulley B Fit the V belt to the articulation point pulley and tension the belt by hooking up the lever or the spring depending on model ee N Lift up and secure the rear section of the cutting deck On machines with 17 wheels Install the washers and the pins in the top hole On machines with 16 wheels Install the washers and the pins in the middle hole STIGA Edition Product 2008 05 19 Workshop Manual Mower Decks 6 2 Raising the deck The deck can be raised according to two procedures e 45 for washing and cleaning e 90 for service Washing position 1 Activate the parking brake Set the implement lifter in transport position Set the lowest cutting height A OO N Remove pins and washers O1 Grip the front edge of the deck and lift up Hook on the chain so that the deck is pointing diagonally upwards It is absolutely forbidden to start the engine when the deck is in the washing position Reset washing positi
38. y and blade shaft Warning The blades are sharp Always wear gloves when working with the blades to avoid injury 1 Hold the blades under the deck by hand and remove the left and right pulley nuts with a 16 mm ring spanner STIGA Edition 2008 05 19 Workshop Manual U Q 2g D 2 Remove the washers located over the pulleys Q Normally the pulleys can be forced from the shaft by hand however if it is tight on the shaft a puller can be used See the figure DI Remove the keys A and washers B under the pulleys Pull out the blade shaft downwards 5 Replace defective parts and proceed with the assembling as follows D amp gt Note C peP The the location of the distance C and the shell washer D on the blade shafts Warning The threads will be detstroyed if the nuts are tightened above the torque defined below 6 Tighten the left and right shaft nuts to 50 Nm The nut for the intermediate shaft shall be mounted in connection with the belt assembly later STIGA Edition Page 2008 05 19 Workshop Manual 7 Assemble the pulleys with keys A and 00 co Note r The shaft nuts shall be tightened to 50Nm washers Since the belts are placed on different levels there are a different number of washers under and above the three pulleys The washer locations are shown in the figure Pulleys 1 Left pulley 2 Intermediate pulley 3
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