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PURPOSE OF USE

 

The armoured repair and recovery tractor on the chassis of MLI-84 M is designed to equip the infantry battalion within the mechanized brigade; it is used for the removal, evacuation, execution of maintenance interventions and transport of damaged or immobilized infantry fighting vehicles.

 

       The armoured repair and recovery tractor on the chassis of MLI-84 M can be operated in good conditions on various categories of roads or on mingled land. The vehicle can cross rivers with preliminary combat engineering arrangement.

 

       The repair and recovery tractor is an armoured and tracked vehicle, resulted further to the mounting of specific equipment (capstan, crane, generator set, autogenous set, hydraulic jacks and other specific devices) on the properly changed structure of MLI-84M.

 

        Telescopic crane

The telescopic crane is mounted instead of the basic product’s turret and should ensure the removal of the energy assembly (engine-transmission), turret and other heavy components of the motor vehicles that have to be repaired.

 

        Capstan

The hydrostatic capstan must ensure the traction force required to remove the damaged vehicle. It will be mounted within the armoured housing and will be operated by a motor-hydrostatic pump assembly driven by the internal combustion engine of the vehicle.

 

     FEATURES

 

Performance features. Mobility features.

- specific power [kW/ t (hp/ t)] ........................................................ 16,9 (23)

- maximum speed on the road [km/ h] .................................... .................. 45

- average speed in the field [km/ h] ........................................................... 30

- maximum slope of the road, [degrees]

                                           longitudinal ..................................................... 25

                                           transversal ........................................................15

- width of the trench crossed [m] ..................................................... 2.0 ÷ 2.5

- seat height [m] ................ .........................…................................. 0.5 ÷ 0.7

- fording depth [m] .......................................................................... max. 1,2

- braking space at the speed of 30km/ h, [m] ............................................ 30

- maximum radius of the turn with the  disengaged planetary [m] ............7,2

- minimum radius of the turn with the stop brake engaged and 

   measured from the longitudinal axis of the vehicle [m] ......................... 2,2

- deviation upon the linear movement to a distance of 100 m, [m] ...............1

 

Physical features:

- weight of the fully equipped fighting vehicle [t] ......................... 17,4 ± 3%

- dimensions [mm]:

                                            overall length ...................................................................... 7320

                                            maximum width .................................................................. 3300

                                            maximum height ................................................................. 2240

                                            gauge. .................................................................................. 2730

                                            ground clearance  ................................................................. 400

- adhesive length of the track, [mm] ...................................................... 4175

- average specific ground pressure [kg/ cm2] ........ ................................. 0,63

 

FEATURES OF MAIN COMPONENTS

 

Machine-gun:

-    model……………………………………………………………...1966;

-    caliber, [mm].……………………………………………………...7,62;

-    number, [pcs.] ……...…………………………………………………1.

 

         Firing unit – machine gun:

                             - 7,62 mm caliber bullets, [pcs.] ...................................................... 2500;

The manufacturer will deliver the vehicle without the machine gun and its ammunition.

 

          Telescopic crane

- type. ................................................................................. armed crane;

- maximum load [t] ... ...................................................................... 2,2;

- fully open arm [m] ............................................................................ 5;

- maximum moment [t ∙ m] ............................................................... 11;

- driving mode ............................................. hydraulic and mechanical;

- power required by the driving hydraulic pump [kW] .................. 96,6;

- power of driving hydraulic engine [kW] ........................................ 85;

- total weight of the crane [kg] ..................................................... 1500;

- length of the inoperative crane [mm] ......................................... 4000;

 

            Capstan

- model ..................................................................................... TH - 14;

- type .................................................................................... hydrostatic;

- load [t] ............................................................................................. 14;

- driving mode ........................................................................ hydraulic;

- power required by the driving hydraulic pump [kW] .................. 96,6;

- type of driving engine ............................................. 725E x 25 (F125);

- cable length [m] .............................................................................. 60;

- overall dimensions of the capstan (L x W x H) [mm] ………….......................................................................... 973x593x459;

- weight of capstan [kg] .................................................................. 615;

- towing cable 18 t [pcs.] ..................................................................... 1.

 

           Generator set with welding machine

- model ................................................................................... GSD 200;

- power [KVA] .................................................................................... 5;

- output voltage [V] ................................................................. 220, 380;

- rated current [A] ...................................................................... 45-180;

- frequency [Hz] .......................................................................... 50/ 60;

- diameter of the welding electrode [mm] ................................. 1,5 to 4;

- weight of generator [kg]................................................................ 120;

- dimensions of generator (LxWxH) [mm] ................... 1000x480x500.

 

           Autogenous welding machine

                                - welding kit

              - type ................................................................................ X14;

- oxygen cylinder [m3] ....................................................................... 3;

- acetylene cylinder [m3] .................................................................... 3.

 

          Hydraulic jack

- type ..........................................................................................MG 20;

- capacity ........................................................................................ 20 t;

- no. of pieces ...................................................................................... 2.

 

TSA toolbox [pcs.] ............................................................................................. 1.

 

Drive and vision equipment:

                        Vision devices are mounted on the chassis, as follows:

        1. For the mechanic-driver:

                   day time:

- type ............................................................... periscopic, with RTS heating;

- brand .............................................................................................. PFI-160;

- periscopicity [mm]. ......................................................................... 160 ± 3;

- field of view

- horizontally [degrees]. ................................................................ 43;

- vertically [degrees]. ................................................................... 6.5;

- field of observation:

- horizontally [degrees] ................................................................. 90;

- vertically [degrees]. ................................................. + 15 upwards;

                                                                                                -11 downwards;

- heating capacity, [°C] .. ............................................................ + 25 ˜ + 45;

- number of pieces ....................................................................................... 3;

 

               night time:

- type ......... ... .................................................................................. passive;

- brand ...... ... .............................................................……………... ACN1P;

- periscopicity [mm] ................................................................................ 196;

- field of observation:

- horizontally [degrees] ................................................................. 40;

- vertically [degrees] ..................................................................... 31;

- vision distance in open field [m] ............................................ minimum 50;

- separating power upon low lighting ............................ minimum 91 p/ mm;

- separating power upon the best lighting ................... minimum 251 p/ mm;

 

        For the commander:

day time:

- type of lunette ............................................................ binocular, periscopic;

- brand .................................................................................................... LPB;

- periscopicity [mm] ............................................................................... 190;

- magnification .................................................................................... x 4,75;

- visual field [degrees] ........................................................................... 7,16;

- diameter of the exit pupil [mm] ..................................................... min. 5,3;

- adjustment of eyepieces, [dpt] ............................................................... ± 4;

- adjustable inter-pupillary distance [mm] ....……............................ 60 ÷ 72;

- no. of pieces .............................................................................................. 1;

- type ................................................................ periscopic, with RTI heating;

- brand ......................................................................................... PFI -240 M;

- periscopicity [mm] ......................................................................... 240 ± 3;

- observation field:

- horizontally [degrees] .................................................. 61,66;

- vertically [degrees] ...................................................... 25,50;

- heating capacity, [°C] …….………………………….………..+25 ˜ + 45;

- no. of pieces .............................................................................................. 2;

 

night time:

- type ................................................... periscopic, binocular, passive type,  

                                                               with residual night light intensifier;

- brand ................................................................................................ ABC-1;

- magnification .............. ........................................................................... x4;

- horizontal field [degrees] .................................................................... 9;

          Protection features

 

Protection due to the armour plate

The same protection is provided by the armour plate type used for the MLI-84M product.

 

          Fallout Protection, Anti-Chemical Protection:

 

- drive mode. ........... ...................................... automatic, doubled manually;

- rotocompressor:

- type ........................................... centrifugal, with air separation by inertia;

- internal overpressure [mmH2O] …....................................... minimum. 25;

- absorbing filter .......................................................................... FPT-200M;

- toxic and nerve paralising substances alarm ......................... ... ASTN-2M;

- safety radiometric block ............................................................... BRP-1M;

- portable dosimeter ......................................................................... DET-2P.

 

It provides:

- crew protection against:

- action of the shock wave;

- action of radioactive dust;

- penetrating radiation (gamma and neutron) and combat toxic substances and nerve paralising agents;

- automatic connection of the Fallout, Anti-chemical and Anti-bacteriological defense mechanisms (coupling the sewerage of the rotocompressor on the FPT-200M chemical filter).

 

        Fire Protection

 

- designation ...................... automatic fire detection and extinction in the

                                             energy room (ER) and work room (WR);

-fire fighting agent ............... ................................................. HALON 1301;

- extinction time in WC/ EC [s] ... ..................................................... 0,08/ 5.

 

 

 

 

 

          Laser irradiance warning system and smoke grenade launching device

- designation ............................... laser irradiance warning and frontal manual launching of the smoke grenades  in  the 70° light direction, in order to mask the vehicle.

 

           A. SAILR-M laser and radar warning system:

- Laser detection block:

• 4 sensors in the left block;

• 5 + 1 sensors in the right block;

• 3 + 1 sensors in the rear block.

- Radar detection block:

• 2 detectors in the left block;

• 2 detectors in the right block;

• 2 detectors in the rear block.

- Central processing, display and control unit.

 

                       Features

- Research of the radiolocation field 

• elevation [o] ................................................................................... 5-90;

• azimuth [o] ... ................................................................................. 0-36;

- wave length range to identify the irradiation sources [mm] .................. .................................................................................................. 800-1540;

      - identification of irradiation sources

• elevation [o] ............................................................................. 5-90;

• azimuth [o] ............................................................................. 0-360;

• reaction time from the moment the alarm starts until the moment the triggering controls are pushed [ms] .......................................... max. 50.

 

           B. DLG-81-A smoke grenade launching device 

- number of launching tubes [pcs.] ....................................................... 6;

- layout of tubes ............................... three on each tubes of the chassis

- grenade triggering ..................................................................... electric;

- caliber of the launching tubes [mm] ................................................. 81;

- drive ... .................................................................... automatic/ manual;

- shooting mode ..................................................................... single-shot.

 

            C. Smoke grenades

- type ................. with solid fumigant agent, with two removable bodies;

- brand .............................................................................................. 3D6;

- priming duration of fumigation [s] ............................................. 7-12;

- fumigation duration of a grenade [s] ........................................ min. 75.

 

            Thermal fumigation unit

- type ........................................ thermal fumigation by fuel injection in the 

                                                      exhaust manifold, with repeated action;

- length of the smokescreen, under a wind of 4 m/ s and no upward stream [m] ................................................................................................. 300 - 400;

- persistence of the smokescreen [min] ................................................... 3˜4;

- continuous action duration of the system [min] ............................... max. 5

 

        Personnel protection:

 

a. Indoor heating system:

- type …......................... with radiator, using the coolant of the heat engine;

- performance ............................... provides a temperature of +10 to + 25 °C 

                                                      for the ambient temperatures up to -35 °C.

b. Air conditioning system

 

         Energy assembly

 

         Heat engine:

- type ......................................................... Diesel, 4-stroke, direct injection;

                                                                      turbosurcharged, liquid-cooled;

- brand .................................................... ............................... C9 Caterpillar;

- ISO maximum gross power [kW (HP)] ...................................... 294 (400);

- number of revolutions at maximum power [rev./ min] ....................... 2200;

- ISO maximum gross moment, [Nm]. ................................................. 1600;

- number of revolutions at maximum moment [rev./ min] ................... 1500;

- specific fuel consumption

  at maximum power [g/ kWh (g / CPH)] ...................................... 245 (180).

 

      Cooling unit:

 

- type ................................... pressurized with compensating tank, horizontal radiators and hydraulic-driven fan depending on the coolant’s temperature;

- coolant ......................................... mixture of distilled water and antifreeze    

                                            according to the specification of the heat engine;

- capacity [l] ............................................................................................. 50.

 

     Lubricating unit

- type ............................................................. under pressure, with oil cooler;

- oil type .................................. DEO 15 W40 or other oils mentioned in the 

                                                                      specification of the heat engine;

- capacity, [1] ............................................................................................ 30.

 

           Air supply system:

- type .................. with two filtration stages: coarse multicyclone filter with continuous exhaust of dust, fine filter with filter element made of micron paper;

 

             Fuel supply system:

- type .................. with electrical supply pump, gross filter provided with an 

             element that detects the presence of water in the fuel and the heater;

                         - fuel ............................. – Diesel -15 A STAS 240-80 at ambient  

                                                                    temperatures over + 5 °C;

- Diesel - 45 S STR 7208-89 at ambient   

    temperatures below 5 °C;

              - NATO type single fuel, F-34. 

- capacity of tanks, [1]

- main tank ……………………………………….…~200;

- the ones into the doors ………………………….....~130.

 

           Gas exhaust system:

- type ............... with ejection, in order to exhaust the dust from the coarse filter;

 

            Pre-heating unit:

- type ................................ with forced circulation of the liquid, air and fuel, 

                                with glowing spark plugs and plate-like heat exchanger;

- maximum preheating time at an ambient temperature of -30 °C [min] ................................................... .. ........................................................... 45.

 

           Main transmission 

 

           Main clutch:

- type ... ......................................................................................... dry bidisk.

 

           Gearbox:

- type ............................................ mecanical, synchronized (steps 2, 3, 4, 5)

                                                                              with air-hydraulic controls;

- number of forward / back ranges .......................................................... 5/1;

- gear ratio:

- range 1 ............................................................................ 4,45:1;

- range 2 ............................................................................ 2.37:1;

- range 3 ............................................................................ 1.67:1;

- range 4 ............................................................................ 1,19:1;

- range 5 ...................................…………......................... 0.84:1;

- reverse ............................................................................ 4.45:1;

- input gear ratio .................................................................................. 1,47:1.

 

         Steering planetary gear:

- type ...................................................... planetary with two ranges;

- gear ratio:

- with lock-up clutch engaged and with brake disengaged ............ 1:1;

- with lock-up clutch disengaged and with brake engaged ....... 1,47:1.

 

       Stop brake:

- type ....................................................... floating, with belt, bilateral action.

 

       Final transmission:

- type ....................... planetary with one single range, with rotating housing;

- gear ratio ............................................................................................ 5,4: 1;

- oil type .......................................................... CASTROL TQ DEXRON II;

- capacity [l] ................................................................................................ 5.

 

        Propulsion:

- type ……………...... on tracks, with the leader located in the front of the 

                                        vehicle and the belt idler located at the rear of the 

                                                        vehicle, with screw tension mechanism;

- track ................................................... with increased progression, with  

                                                                      closed-type metal-rubber joint;

- number of road wheels....................................................... six on each side;

- number of backing rolls ................................................. three on each side.

 

        Suspension:

- type ............................................................. independent with torsion bars;

- damper type ....................... hydraulical, operated on both sides, with rotor;

- number of dampers ….... three on each side, to the road wheels 1, 2 and 6.

 

 

Controls of main gearing and machinery of the recovery tractor

 

       Clutch and stop brake controls:

- type ......................... air-hydraulic: when the heat engine is on, the controls are hydraulic, when the heat engine is off, the controls are pneumatic.

 

       Gearbox and steering planetary gear:

- type ........................................................................... mechanical-hydraulic.

 

       Parking brake controls:

 

Crane and capstan controls:

- type .................................................................... mechanical-hydraulic.

 

        Pneumatic unit:

- type ............ with high pressure compressor, with oil and water separator,  

                                                          with constant-pressure expansion valve

 

         Compressor:

- type .............. CIP-150 (AK150), two V-shaped cylinders, in three ranges;

- operating pressure [bar] ........................................................................ 150.

  

         Cylinder:

-capacity, [l] ... ............................................................................................ 5.

 

        Water discharge unit:

- type .................................................. electrically driven centrifugal pumps;

- number of pumps ...................................................................................... 3;

- pump flow rate [l/ min] ................ ................ ....................................... 150.

 

         Electric wiring

 

- type ................................................. direct current, single wire with minus 

                                                             pole to the ground, shielded;

- rated voltage [V] ................................................................................... .24;

- batteries of storage cells .................................................... 2x12 V -170 Ah.

- socket for external start-up [pcs.] ............................................................. 1;

 

- electric cables for external start-up [pcs.] ................................................. 2.