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13 

13 

ENGLISH 

Specific references for the hydraulic machines 

 

(*note mod. hi) 

The power harrows MThi and MTLhi have been 
designed  to  be  applied  to  hydraulic  machines 
which  have  an  oil  pressure  between  160  and 
170 bar. 
1 – Register adjustment roller(screw crank) 
2 -  Register adjustment roller support 
3 – Hydraulic motor 

Fig. 9 

(*note mod. hi) 

 

Model 

 

MTL 50 hi 

MTL 75 hi 

MTL 100 hi 

MT 60 hi 

MT 90 hi 

Maximum height from the ground (Fig. 5 – Ref 
4) 

70 cm 

70 cm 

70 cm 

70 cm 

70 cm 

Oil pressure requested 

150-180bar 

150-180bar 

150-180bar 

150-180bar 

150-180bar 

 
 

 

 

Technical specifications of the hydaulic motor. 
NOTE:    the  following  data  which  concerns  to  the  engine  specifications  are  given  by  the  manufacturer  of  the 
hydaulic  motor;  for  the  specifications  of  the  engine  application  to  the  R2  machine  look  at  the  previous  table 
and  to the considerations of the following notes. 
Data 

Value (Cont. Funct.) 

Geometric displacement (cm³/rev.) 

102 

Max input pressure (bar) 

210 

Max operating pressure (bar) 

175 

Max torque (daNm) 

26 

Max flow (l/min) 

75 

Max rotating speed (rpm) 

735 

Max power (kw) 

17 

Max cont. Return pressure without drain line (bar) 0 ÷ 100 rpm 

75 

Max cont. Return pressure without drain line (bar) 100 ÷ 300 rpm 

50 

Max cont. Return pressure without drain line (bar) > 300 rpm. 

25 

Max return pressure with drain line (bar) 

140 

Max starting pressure with no load (bar) 

12 

Min. starting torque (daNm) at max. 

21,5 

 
 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for MT Series

Page 1: ...ENGLISH Mill Grader Mod MT MTL MThi MTLhi Instructions and maintenance manual Translation of the original instructions Rev 27 04 2016...

Page 2: ...9 Maintenance 10 Hoes replacement 11 End of work and storage of the machine 12 Scrapping and disposal of the components and packaging 12 Specific references for the hydraulic machines 13 Guarantee and...

Page 3: ...of the symbols used in the manual This symbol will be used in the manual to indicate actions misuse elements behaviours and situations that could risk your security and the one of other people The rou...

Page 4: ...ILL GRADERS Mod MT MTL Mthi MTLhi are designed to be applied exclusively to professional driven tools with CE certificate and appropriate HP walking tractors tractors with flange atttachment or hydrau...

Page 5: ...cessary equipment Fig 3 Fig 4 4 Handling and transportation of the machine note 3 mod hi The machine must be handled with lifting equipment Make sure that such equipment including the straps and the s...

Page 6: ...en working alongside roads pathways or sloping ground 8 Do not leave the machine working without supervision 9 While checking or repairing the machine be sure that nobody can start it up accidentally...

Page 7: ...g the adjustment 6 2 Flange assembly and coupling of the machine to the walking tractor or tractor Before fitting the machine flange Fig 5 Ref F which varies according to the model of the walking trac...

Page 8: ...l function as a wheel In order to prevent the hoes from remaining exposed and to avoid any dangerous situation during the milling it is important the the extension sides Fig 6 Ref B are adjusted in su...

Page 9: ...ng parts wear safety shoes If while working there is a lot of dust which will depend on the type of soil wear a dust mask Do not use the machine in reverse do not use the machine on steep slopes verif...

Page 10: ...ge using the appropriate greaser Fig 7 Ref A 2 Check the grease level in the tank using the specially provided cap Fig 7 Ref B this must be made when the machine has worked for several minutes During...

Page 11: ...e 2 3 of the hoe itself N B For low powered walking tractors 8 10HP check that the PTO height from the ground is at least 28 30 cms If the height is of 25 26 cms it is necessary to replace the hoes wi...

Page 12: ...o people or animals in the working area and wear protective glasses and if necessary a dust mask Do not direct the jet of compressed air or water to people or animals 14 Scrapping and disposal of the...

Page 13: ...motor NOTE the following data which concerns to the engine specifications are given by the manufacturer of the hydaulic motor for the specifications of the engine application to the R2 machine look at...

Page 14: ...place the protective taps on the pipe fittings When the Mill Grader R2 is connected to the tractor the caps remain attached through a ring to the hoses so that they can be repositioned next time Check...

Page 15: ...e Mill Grader R2 Tractor Fig 10 Hydraulic circuit connection A G1 2 main ports thread depth 15 mm B G1 4 drain port thread depth 15 mm Screw the hoses to the engine and fit them through the quick coup...

Page 16: ...cSt it should also have an adeguate viscosity index Under no circumsances should oil viscosity be outside the range of 22 cSt to 75 cSt Before starting the hydraulic system check oil level and firm m...

Page 17: ...tructions When the equipment has been used incorrectly The R2 Company reserves the right to modify the data in this manual whenever this is considered necessary for technical or commercial improvement...

Page 18: ...18 18 NOTE...

Page 19: ......

Page 20: ...R2 Rinaldi S r l Via degli Artigiani 23 40024 Castel San Pietro Terme Bologna ITALY Tel 0039 051 94 30 42 Fax 0039 051 69 42 086 www R2RINALDI com R2 R2RINALDI com...

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