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MT Owner’s Manual

8.  TROUBLE SHOOTING CHART

Worn, bent or broken

Rails

Machine is not level

with the ground

Clogged material due to

excessive working
speed

Belt slip on the pulleys

Loose bolts

Cracks or initiation of

frame damage

Lack of oil

Worn gears

Worn bearings

Broken or worn flails

Unbalanced rotor

Worn rotor bearings

Flails touching the

ground

Working speed

unsuitable for amount
of the material to be cut

Flails touching the

ground

Replace

Level it by adjusting the

wheels or the tractor lift

Reduce working speed

Readjust belt tension

Tighten bolts

Have it repaired in

specialized workshops

Fill to level

Replace

Replace

Replace

Have it replaced in

authorized workshops

Have them replaced in

authorized workshops

Adjust cut height

Reduce speed

Adjust height of cut

Irregular cut

Irregular spread of the
shredded material

Frame noise

Gearbox noise

Vibration

Belts overheating

Easy wearing of the flails

PROBLEM

CAUSE

FIX

23

Summary of Contents for MT Series

Page 1: ...MT Owner s Manual Owner s Manual MT Shredder Maintenance Use ...

Page 2: ...MT Owner s Manual ...

Page 3: ...Decals section 3 5 page 7 INSTRUCTIONS FOR INSTALLATION AND HANDLING section 4 page 8 Lifting and Unloading section 4 1 page 8 Attachment to and Detachment from the Tractor section 4 2 page 8 Attaching the PTO Shaft section 4 3 page 9 Asembling Separate Components section 4 4 page 6 ADJUSTMENT AND SETTING UP section 5 page 11 Regulating the Height of Cut section 5 1 page 11 Adjusting Belt Tension ...

Page 4: ... 1 2 Identifying the Machine Each shredder is fitted with an identification plate both the model number and serial number are located on this plate This information is required to order spare parts or answer technical questions for this unit 1 3 It is required to replace all parts with genuine FERRI parts The use of parts other than genuine FERRI parts will alter the technical features of the shre...

Page 5: ... Tension 2 Rotor 9 Driving Pulley 3 Frame 10 Gearbox 4 3 Point Linkage 11 Roller Bracket 5 Ram 12 Roller 6 Belts 13 Rear Bonnet 7 Driven Pulley Proper use also refers to the safety and maintenance rules provided by the manufacturer A tractor of suitable power must be used for each shredder model Table 1 Using a tractor exceeding the maximum horsepower stated in Table 1 might damage the transmissio...

Page 6: ...2 1 2 1 2 1 2 Side movement in 8 12 12 16 16 Weight lbs 617 705 794 726 1014 Dimensions A in 53 2 61 2 69 2 77 6 85 6 B in 30 4 30 4 30 4 31 6 31 6 C in 17 2 17 2 17 2 18 4 18 4 D In 26 26 26 27 6 27 6 2 3 Noise The sound level of this machine as measured at the operator s position ranges from 76 to 76 8 dB when the cab is closed and from 84 5 to 86 9 dB when the rear window is open The acoustic p...

Page 7: ...rsion 2 5 2 Front Reverse Version Figure 3 Figure 4 Figure 5 5 IMPORTANT Always check that the number of revolutions and the rotational direction of the tractor power take off corresponds to those shown on the shredder REAR VERSION FRONT VERSION REVERSE VERSION ...

Page 8: ...t able flails can be fitted and used 2 6 2 The shredders can be provided with toolholder rakes to collect prunings Model MT120 MT140 MT160 MT180 MT200 Rakes 8 9 11 12 13 Weight lbs 62 71 82 93 102 NOTE The toolholder rake can be fitted only on rear version shredders 2 6 3 Wheels only in the rear version Figure 7 Figure 6 6 ...

Page 9: ...MT Owner s Manual 2 6 4 Slides 2 6 5 Kit For Mobile Linkage Rear mobile linkage Front and reverse mobile linkage Figure 5 Figure 8 Figure 9 Figure 10 7 ...

Page 10: ...MT Owner s Manual Ram for hydraulic linkage Rod for manual mobile linkage 8 ...

Page 11: ...tart the shredder by mistake Never wear loose or fluttering clothes Never carry passengers on the tractor Never carry passengers on the shredder Never connect the power take off until the engine is completely stopped Never approach the shredder until the rotor has completely stopped Do not enter the working zone of the PTO shaft while it is in motion It is dangerous to approach the rotating parts ...

Page 12: ...r damaged they must be replaced with new pipes with the same specifications Before working on the hydraulic system lower the machine release the pressure out and bleed the presure then stop the tractor 3 3 Safety Rules Concerning Road Traffic While in transport reduce speed especially on bumpy roads The weight of the lifted shredder may render driving difficult and damage the shredder itself Check...

Page 13: ...nd makes it mandatory to keep out of the danger zone 3 Danger of getting entangled do not approach the rotating PTO shaft Pay special attention to clothing which must not be loose or fluttering 4 Danger sign of crushing or shearing DO NOT put limbs in the moving parts of the machine where this decal is located 5 Warning of danger through lack of knowledge of all the functions of the machine and th...

Page 14: ... machine in general 2 Check that all guards are fitted and in good condition 3 Confirm that all flails are fitted and in good condition 4 Grease the bearings and any other parts as indicated by a decal Figure 41 5 Check the oil level of the gearbox and extension 4 2 1 Bring the tractor lower hitches 1 near the shredder insert the two pins 2 and secure them with the spring clips adjust the tractor ...

Page 15: ...shredder and check that the tractor is stable Add ballast to the front of the tractor if the front of the tractor is too light Figure 18 4 3 ATTACHING THE PTO SHAFT 4 3 1 With the hydraulic lift of the tractor place the shredder to the closest point between the two power takeoffs and check the minimum length of the PTO shaft Figure 19 IF it needs lengthening check that the overlap is not less than...

Page 16: ...ssemble the rake proceed as follows Figure 22 If the rear bonnet is fitted 7 Figure 13 unscrew and take it away Move the roller as far as possible from the rotor fixing the screws in the position B Fix the rake holder 1 using the special screws 2 Insert the rake and set the height of cut using the spring pins 4 NOTE If the rake is fitted on a machine equipped with wheels instead of the roller fix ...

Page 17: ...tor 5 and fixing it with the screws 6 Attach the guard 7 to protect from the possible throwing of objects by the shredder Always remember to make the holes while assembling the guard Figure 24 Figure 25 Figure 26 15 NOTE FIGURE 25 The assembling of wheels is possible in the position A within the dimensions of the shredder when working in narrow spaces vineyards orchards or externally to these dime...

Page 18: ... in two different positions thus allowing to adjust the height of cut 4 4 4 Assembling the mobile linkage Assembling the mobile linkage rear version Figure 28 Assemble the 3 point linkage 1 to the fixing squares 3 with the tube 2 Fix the squares to the frame with the screws 4 Assemble the holder 5 and fix with the screws 6 Connect the 3 point linkage 1 to the holder with the tie rod 7 and fix with...

Page 19: ...n the position A in case of discharge of material opposite the roller roller in backward position or also assebled in position B is available in case of discharge of material behind the roller roller in forward position IMPORTANT When using a front version shredder the PTO shaft with free wheel must have the rotational direction opposite to that of the rear or reverse version Assembling the rod fo...

Page 20: ... with the bolt 3 assemble the ram 4 on the pin 5 and fix with the spring clip 6 fix the fork 7 to the holder 1 with a pin 8 Connect the flexible pipes 9 to the hydraulic clutch of the tractor checking that the pressure is not over 170 Bar IMPORTANT Carry out movements only with the shredder lifted off the ground Figure 31 18 ...

Page 21: ...djusting belt tension This operation must be carried out with the shredder standing on the ground the power takeoff disconnected and the starting key removed Remove the belt guard 1 loosen the nut 3 and adjust the screw 2 to obtain a belt deflection of no more than 0 2 with 10 lbs pressure applied see Figure 33 At the end of the operation tighten the screw 3 jam nut 2 and reassemble the belt guard...

Page 22: ...g grass place the roller 1 in the position B sin order to discharge shredded material beyond the roller Figure 35 5 4 3 Point Linkage Offset The shredder is provided with the 3 point linkage with hydraulic and mechanic side lift Maximum operating pressure 170 BAR IMPORTANT To avoid damage operate the hydraulic shift with the machine lifted off the ground Figure 36 Figure 34 Figure 35 Figure 36 20 ...

Page 23: ... of chopping required The optimum speed ranges from 2 to 5 miles per hour 6 3 Transport Position Check that the shredder is set up in accordance with the road transport safety laws Figure 38 If the machine is equipped with wheels remember to place them as in Figure 39 and to block them with the special pins During transport reduce speed especially on bumpy roads The weight of the shredder may rend...

Page 24: ...sing the machine The table shows the greasing points for regular and periodical maintenance Figure 42 After the first 2 hours operation from new or after fitting new belts check belt tension regularly every 10 15 hours operation Tighten bolts and nuts Check wear and condition of flails Check the safety guards Check belt stretch and condition Visually check the frame and arms to detect possible dam...

Page 25: ...unsuitable for amount of the material to be cut Flails touching the ground Replace Level it by adjusting the wheels or the tractor lift Reduce working speed Readjust belt tension Tighten bolts Have it repaired in specialized workshops Fill to level Replace Replace Replace Have it replaced in authorized workshops Have them replaced in authorized workshops Adjust cut height Reduce speed Adjust heigh...

Page 26: ...system bleed all pressure working with the engine stopped and using all control levers Pay particular attention to cleanliness as dirt and dust can cause considerable damage to the hydraulic system Replace any damaged pipes with genuine spare parts or with others of the same specification ensure that they are not kinked or twisted remembering to check this throughout the entire cycle of arm moveme...

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