Rotair MDVN 71 AP, Operating, Maintenance & Parts Manual

Page 1: ...NANCE PARTS MANUAL BEDIENUNG UND WARTUNGSANLEITUNGEN MANUAL DE USO Y MANTENIMIENTO RECAMBIOS MOBILE MOTOR COMPRESSOR MDVN 71 AP Via Bernezzo 67 12023 CARAGLIO CN ITALIA TLF 39 0171 619676 FAX 39 0171...

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Page 3: ...the motor and compressor oil levels _ 7 2 Starting up _ 7 3 During the working stage _ 7 4 Stopping _ 7 5 After machine stop _ 8 Machine setting and tuning _ 8 1 Checking and setting of motor speeds _...

Page 4: ...nute 7100 WORKING PRESSURE bar 7 YEAR OF CONSTRUCTION ACOUSTIC POWER dB A 100 Measured in accordance with ISO 1217 standards 5 Measured in accordance with directive CEE 84 533 technical adaptation 85...

Page 5: ...SCARLATTI 46 Q8 LR CCW 46 ROLOIL CORENA D 46 SHELL DACNIS VS 46 TOTAL MOTOR MODEL PERKINS 804 D33 NUMBER OF CYLINDERS 4 AVAILABLE POWER 47 KW 63 9 HP COOLING liquid type MAX ROTATION SPEED 2500 r p m...

Page 6: ...during work This manual must be careful conserved in its special case away from any humidity heat and sun s rays to ensure that it is ready for consultation at any time both by the operational personn...

Page 7: ...enerated a well defined quantity of compressed air measures in litres per minute There are many field of application for the use of all those tools accessories and implements which have a pneumatic fu...

Page 8: ...n contact with incoming air 6 Maintenance operations which do not form part of the standard maintenance program can only be undertaken with the machine at a complete standstill 7 Before proceeding to...

Page 9: ...ould it be necessary to work under the machine or on wheel removal Do not rely solely on the jacks 23 Before dismantling a compressor engine or other machine or before beginning an overhaul operation...

Page 10: ...nd to generate dust the tool needs to be connected to the compressor used a flexible hose that is pressure resistant and of sufficient length to permit the machine to be distanced from the working are...

Page 11: ...necessary 1 Use only the tools specifically suited to maintenance and repair operations 2 Use only original spares 3 All the standard maintenance operations aside from those of normal surveillance are...

Page 12: ...ious pulling means To tow the motor driven compressor on the road it must be of homologated version fitted for towing complete with lighting system headlights and licence plate braking system and rela...

Page 13: ...y A regulator unit is mounted on the compression unit the purpose of which is to regulate the quantity of air taken in according to the amount of air consumed A double stage filter mounted on the top...

Page 14: ...ments to control the unit are located on the control panel Figure 1shows and identifies the various control and command devices INSTRUMENT DESCRIPTION 1 Manometer 2 Hour meter 3 Start push button 4 OF...

Page 15: ...id pull 2b Mass 5c Temperature alarm 2c Solenoid feed 6a Motor oil pressure NC 3a Alternator 6b Minimum pressure bulb 1 5bar 3b Discharge solenoid 6c Air filter clogging sensor 3c 3 way solenoid 7a Ma...

Page 16: ...ht The first two warning lights are red and when the engine has been started they must be off The glow plug warning light stays on for as long as it takes to heat the glow plugs after which it switche...

Page 17: ...the 7 pole socket are given and their connection to the rear light apparatus This system is connected directly to the towing machine via an extension lead which is supplied with the engine compressor...

Page 18: ...rator tank from temperatures of over 100 C This de energizes the solenoid valves immediately stopping the motor The high temperature warning light comes on indicating the anomaly 5b Thermocontact on c...

Page 19: ...r makes the oil inside the tank flow through the conduit in the direction indicated by the arrow A thermostatic valve U is positioned along the route which according to the actual oil temperature conv...

Page 20: ...filter A the suction regulator B compressor O tank Z and the oil separator element Y the minimum pressure and non return valve L the cock R and the maximum pressure valve G and the discharge solenoid...

Page 21: ...re with cock R closed and with no air suction the motor stabilizes at the minimum set speed while the suction valve B of the regulator reaches almost total closure position In this stage of the cycle...

Page 22: ...to move the weight of the unit see par 2 If the crane is positioned on the vehicle position the lateral anti tilting stabilizers b Hitch the clevis and the rope fig 4 to the hook of the lifting means...

Page 23: ...ontally positioned as possible Fig 5a d Securely tighten the joints using the relative levers making sure that there is no play between the teeth of the joints Insert the safety plugs e Hitch the trai...

Page 24: ...wo wedges part A per wheel fixing them to the vehicle flatbed so that it does not move fig 6 Use wedges of adequate dimensions both in terms of height and width 5 Travel at moderate speed FIG 6 6 4 PA...

Page 25: ...of the battery and that the wire connected to earth is connected to the negative pole of the battery 7 1 3 Check the motor oil level refer to the instructions contained in the use and maintenance man...

Page 26: ...cause serious burns Any top ups must be made using a mixture of water and anti freeze liquid in the percentages as indicated on the container of the same 7 1 6 Fuel check In the tank Use fuel with equ...

Page 27: ...ds the pressure gauge will indicate a pressure level of between 2 3 bar while the indicator lights on the control panel must all be off Should one or more of the indicators still be on after 5 6 secon...

Page 28: ...sary to clean and replace the air filter and check that the cooling radiator is clean should it be clogged proceed as indicated in paragraph 10 4 2 Check that there has been no oil or fuel leakage dur...

Page 29: ...dicated in paragraph 1 Should they fail to correspond proceed with pressure setting following the instructions provided in paragraph 8 2 3 Slowly open the cock until it the working pressure reading ap...

Page 30: ...leration rod pressed down and with motor therefore fully accelerated the number of revs is found to be significantly lower than that indicated on the plate at least 150 revs less the cause of the defe...

Page 31: ...at minimum and cocks closed the pressure value indicated on the gauge on the control panel must correspond to that indicated in paragraph 2 In the event of a variation of over 5 proceed with calibrati...

Page 32: ...the machine as described in paragraph 7 2 2 With motor warm at right temperature gradually proceed to fully open the air cock the motor will reach maximum rpm and a pressure of between 4 5 5 bar must...

Page 33: ...this checking operation is mixed with oil particles and therefore to avoid soiling the operator and the inside of the machine it is advisable to bind the valve with a cloth If the pin fail to rise aft...

Page 34: ...supplied by the motor construction company with the machine 9 1 DAILY CHECKS 9 1 1 DAILY AND BEFORE STARTING UP THE MACHINE Check on the compressor oil level paragraph 7 1 4 Motor oil level check con...

Page 35: ...OURS Compressor air filter replacement 10 1 Compressor oil filter replacement 10 9 WARNING The replacement of the compressor air filter can also be undertaken more often according to the amount of dus...

Page 36: ...e cartridge of the 1 st stage part 3 Should any traces of dust be noticed on the cartridge of the 2 nd stage also part 5 extract this one also unscrewing the nut part 4 These filtering cartridges part...

Page 37: ...heck it regularly and clean it using compressed air or wash it using a pressurized water jet 10 5 OIL RECOVERY NOZZLE CHECKING AND CLEANING This must be undertaken in the event of any leakage of nebul...

Page 38: ...ck 10 9 COMPRESSOR OIL FILTER REPLACEMENT Fig 19 Use a chain pipe wrench to unscrew the filter to be replaced part A Oil the seal of the new filter which must be tightened and secured by hand only Sta...

Page 39: ...ing placed a container of adequate capacity beneath it 4 Unscrew and replace the oil filter cartridge fig 19part A 5 When the oil has completely come out screw back the cap part A making sure to repla...

Page 40: ...ping until the control panel gauge indicates the working pressure Read the pressure on the gauge positioned at the top of the oil separator and compare the two values should a difference of over 1 bar...

Page 41: ...he pipes to the respective fittings 11 Start up the machine ensuring there is no leakage between the cap and the tank 12 Allow the machine to operate for 10 15 minutes with closed cocks 13 Stop the ma...

Page 42: ...t intervention of the customer assistance service of the motor constructor Find out where the infiltration come from by carefully checking all piping Request intervention of the customer assistance se...

Page 43: ...d check that the piston is free to move Check that the spring is in good conditions If the defect cannot be repaired replace it Re position it and set the minimum pressure according to the instruction...

Page 44: ...eck the oil level in the tank and top up as necessary check the cooler fan and clean the radiator replace the compressor oil filter If it is found to be the probe positioned on the oil separator tank...

Page 45: ...ive oil in the tank The machine works in a non horizontal position Blocked oil recovery nozzle Defective oil separator filter SOLUTIONS Adjust it according to instructions of par 8 3 Restore correct l...