Coltri Sub MCH 13/ET Instruction Manual Download Page 9

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This chapter provides a technological description of the machine and its main components.

2.1

Operating principle ........................................................................................................... 10

2.2

Description of the pump unit ............................................................................................ 11

2.2.1 Monobloc unit .......................................................................................................... 12

2.2.2 Head unit .................................................................................................................. 13

2.2.3 Safety valves ............................................................................................................. 13

2.2.4 Lubrication unit ........................................................................................................ 14

2.2.5 Pressure maintenance valve .................................................................................... 14

2.2.6 Cooling pipes ........................................................................................................... 14

2.2.7 Filters ........................................................................................................................ 15

2.2.8 Frame and sound-proofed casing ............................................................................ 16

2.3

Machine control ................................................................................................................ 16

TECHNICAL DESCRIPTION

Technical description

Summary of Contents for MCH 13/ET

Page 1: ...Revision DOC MCH 13 16 26 32 ET 04 00 INSTRUCTION MANUAL VERSION English Special equipment and compressors for underwater activities High Pressure Compressors High Pressure Compressors...

Page 2: ...t 14 2 2 5 Pressure maintenance valve 14 2 2 6 Cooling pipes 14 2 2 7 Filters 15 2 2 8 Frame and sound proofed casing 16 2 3 Machine control 16 3 3 3 3 3 TECHNICAL CHARACTERISTIC TECHNICAL CHARACTERIS...

Page 3: ...ALLATION TION TION TION TION 6 1 Positioning 27 6 2 Connections 28 6 2 1 Connecting the extension for the air intake 28 6 2 2 Connecting the refill hoses 32 6 2 3 Electrical connections 33 CONTR CONT...

Page 4: ...ENANCE MAINTENANCE MAINTENANCE MAINTENANCE MAINTENANCE 11 1 General notes 48 11 2 Preventive maintenance 49 11 3 Changing the lubricant oil 50 11 4 Checking the transmission belt 51 11 5 Air intake fi...

Page 5: ...ploded view of the machine parts 69 Monobloc 70 Pistons rod unit 72 Cylinders unit 74 Head unit 76 Cooling pipes 78 Filtering system 80 MCH 13 16 ET condensate trap 82 MCH 26 32 ET condensate trap 84...

Page 6: ...ly with the instructions could cause damage to the machine and other parts associated with the same or to the surrounding area LABEL APPLIED TO THE COMPRESSORS To protect exposed persons or objects a...

Page 7: ...h see chapter 7 1 Check the direction of rotation of the motor If the direction of rotation does not coincide with the one shown on the belt guard turn off the machine and invert the two phases on the...

Page 8: ...t its factory in San Martino della Battaglia BRESCIA The customer will be responsible for the costs of transport and carriage as well as for any spare parts and expendable materials If it should be ne...

Page 9: ...obloc unit 12 2 2 2 Head unit 13 2 2 3 Safety valves 13 2 2 4 Lubrication unit 14 2 2 5 Pressure maintenance valve 14 2 2 6 Cooling pipes 14 2 2 7 Filters 15 2 2 8 Frame and sound proofed casing 16 2...

Page 10: ...d which acts as a radiator the temperature at the hose outlet is just a few degrees higher than that of the environment The operating temperatures of each stage are at the pipe connection that goes to...

Page 11: ...e emulsion that precipitates into the separators The compression diagram is included in chapter 13 6 Technical description 2 2 2 2 2 2 2 2 2 2 Description of the pump unit Description of the pump unit...

Page 12: ...2 1 2 2 1 Monobloc unit Monobloc unit Monobloc unit Monobloc unit Monobloc unit The gooseneck the pistons and the cylinders also form a part of this unit The monobloc Fig 7 is made of aluminium alloy...

Page 13: ...ssure These valves are pre calibrated in the factory at the following pressures safety valve for 1st stage 8 bar safety valve for 2nd stage 50 bar safety or final valve for 3rd stage 225 bar or 330 ba...

Page 14: ...tor and the filter This valve is fitted after the final filter Just a few seconds after the compressor has been started up it keeps the pressure of the entire system at 100 20 bar see exploded view Ch...

Page 15: ...portance for the quality of the air see paragraph 11 7 for replacement instructions 2 2 7 2 2 7 2 2 7 2 2 7 2 2 7 Filters Filters Filters Filters Filters INTAKE FILTER Fig 13 The suction filter is cou...

Page 16: ...2 3 2 3 2 3 2 3 2 3 Machine control Machine control Machine control Machine control Machine control 17 MCH 13 16 ET The machine function controls are located on an electric control panel Fig 17 Apart...

Page 17: ...control buttons as for model MCH 13 16 ET For model MCH 26 32 ET the same controls are doubled up on two independent control panels Fig 18 which each control one of the two pump units present inside...

Page 18: ...mp unit 3 1 1 3 1 1 3 1 1 3 1 1 3 1 1 Machine series MCH 13 16 26 32 ET Machine series MCH 13 16 26 32 ET Machine series MCH 13 16 26 32 ET Machine series MCH 13 16 26 32 ET Machine series MCH 13 16 2...

Page 19: ...t Kg MCH 13 ET Compact 890 600 840 141 MCH 16 ET Compact 890 600 840 151 MCH 26 ET Compact 890 850 1330 286 MCH 32 ET Compact 890 850 1330 306 3 2 3 2 3 2 3 2 3 2 Noise Noise Noise Noise Noise The Com...

Page 20: ...hemselves from the noise level The reading of the machine noise level was taken from the operator s work place Fig 20 with the following methods and results 20 METHODS OF MEASUREMENT ISO 3746 MCH 13 E...

Page 21: ...ntrusted with the handling installation start up regulation cleaning repair changing of the tooling and maintenance of the machine This person must be a qualified member of staff who has followed cour...

Page 22: ...devices to guarantee the operator s safety by limiting the work area and ensuring good operating conditions The figure shows the safety devices provided on the compressors and the information labels...

Page 23: ...ecomes foul smelling For the frequency of replacement see the instructions in Chapter 11 Main tenance 6 Electrical switcboard built to EN 60204 1 regulations with IP 54 level of protection and fitted...

Page 24: ...ing the air produced owing to the possibility of mixing fumes or vapours from the lubricating oil with the compressed air produced 2 Electrical danger Use the machine with suitable protection from the...

Page 25: ...achine Unpacking the machine This chapter provides the instructions necessary for unpacking and handling the machine 5 1 Unpacking the machine 25 5 2 Pack contents 26 5 3 Handling the machine 26 The m...

Page 26: ...32 ET Compact Having removed the compressor from its pack as described in the previous paragraph the machine can be moved to its place of installation To carry out this operation it is necessary to us...

Page 27: ...perations described below read Chapter 4 Precautions for use and maintenance carefully and proceed as directed 1 Position the machine in the chosen area and check that it is on a level the plane shoul...

Page 28: ...der not to compromise the proper operation and cooling of the pump unit Fig 29 5 Make sure that the machine is in a well lit area so that each detail can be clearly made out especially the writing on...

Page 29: ...g 31 MCH 26 32 ET Compact 1 Remove the left hand side protective cover looking at the compressor from the front by unscrewing the fixing screws Fig 32 WARNING Only use a flexible pipe provided with a...

Page 30: ...e extension pipe to the connector Fig 33 2 in model MCH 26 32 ET Compact 3 Pass the pipe through the hole located in the rear guard Fig 34 35 36 2 in model MCH 26 32 ET Compact 33 MCH 26 32 ET Compact...

Page 31: ...n pipe Fig 37 2 in model MCH 26 32 ET Compact 5 Position the end of the extension on which the intake filter is fitted air intake in a ventilated place protected from atmospheric agents 6 Direct the a...

Page 32: ...s point 4 for the model MCH 26 32 ET Compact 3 A torque wrench should be available to fasten the hoses 40 39 7 Make sure that there are no bends or breakages along the length of the pipe Fig 39 If the...

Page 33: ...tible with the mains power supply especially the nominal current and input voltage 3 The mains power supply should be provided with an effective grounding system It is particularly important to check...

Page 34: ...to be started up The button has a light inside that comes on when it is pressed The general switch must be in the ON position 2 OFF red button It enables the compressor to be stopped The button has a...

Page 35: ...indicates the working pressure 2 Pressure switch It enables the maximum cylinder filling pressure to be set and displayed During the cylinder filling phase the pressure switch stops the compressor whe...

Page 36: ...en in Chapter 4 Precautions for use and maintenance and that the machine has been installed according to the instructions given in the previous chapter 8 1 Filling the machine 36 8 2 Checks 37 WARNING...

Page 37: ...in is 1 5 lt and the level should be checked with the machine turned off bearing in mind that an excess amount of oil may cause infiltrations in the cylinders and a deposit on the valves On the contr...

Page 38: ...lish according to the indicator which cap has to be unscrewed for the filling operation If the level is too low top the oil up following theinstructionsgiveninthepreviousparagraph If the level is too...

Page 39: ...and the direction of rotation checked If the direction of rotation does not correspond with that shown by the arrow located on the front panel covering the fan Fig 54 for models MCH 13 16 ET Compact...

Page 40: ...e safety valve is operating properly by starting up the compressor with the end taps turned off so that the pressure in the circuit rises quickly and the valve comes into operation at the set pressure...

Page 41: ...s provided with an automatic condensate discharge a special conden sate collection tank has been fitted in the side compartment of the compressor Fig 59 60 Theoutletofwatervapourizedwithlubricating oi...

Page 42: ...MCH 26 32 ET Compact the operation must be carried out twice 4 valves Fig 62 This operation should also be carried out during the cylinder refill operations every 15 20 minutes only on the models with...

Page 43: ...so that more than one cylinder can be refilled at the same time Model MCH 26 32 ET can fill up to four cylinders at the same time with the hoses supplied as a standard fitting Fig 65 Thefollowingoper...

Page 44: ...by pressing the corresponding button General switch on ON and then press the green button Fig 68 4 When the cylinder has been filled the compressor is stopped automatically by the pressure switch 66...

Page 45: ...any case provided with an emergency system that automatically blocks it when 1 the pressure set on the pressure switch is reached 2 there is a temporary cut in the power supply 3 the heat release of...

Page 46: ...o drain off any residue condensate Stop the compressor remove the intake filter start up the compressor again spraying a few drops of oil into the intake hole so that a light film of lubricant is suck...

Page 47: ...e the machine follow the regulations imposed by the laws in force in the user s country Before demolishing the machine an inspection must be requested by the competent authority with the issuing of a...

Page 48: ...ditional maintenance operations must be carried out with the machine at a standstill the compressor at a standstill and with the power supply disconnected The residue pressure in the machine pump circ...

Page 49: ...INTERVALS x 1 day 15 min 30 min 25 h 50 h 125 h 250 h 500 h 1000 h 5000 h 1 Replace the active carbon cartridge see par 11 7 2 Check the compressor oil level O 3 First compressor oil change O 4 Change...

Page 50: ...al closing cap located in front of the oil discharge 11 3 11 3 11 3 11 3 11 3 Changing the lubricant oil T Changing the lubricant oil T Changing the lubricant oil T Changing the lubricant oil T Changi...

Page 51: ...sumps 4 Close the discharge tap and replace the hexagonal closing cap 5 Carry out the filling operations as described in chapter 8 Start up WARNING To dispose of waste oils follow the instructions giv...

Page 52: ...erating hours as described below 1 Remove the protective cover as shown on figures 74 and 75 by unscrewing the fixing screws Checking the transmission belt Checking the transmission belt Checking the...

Page 53: ...fan turning it by hand to enable the belt to go over the diameter of the fan and to fit into the race 76 77 3 Carry out the measurement procedure again and if necessary repeat the operations until a m...

Page 54: ...ive cover by unscrewing the securing screws Fig 78 MCH 26 32 ET Compact 1 Remove the left hand side protective cover looking at the compressor from the front by unscrewing the fixing screws Fig 79 MCH...

Page 55: ...pecified The frequency of replacement has been calculated for use of the compressor with intake air at a tempe rature of 20 C 68 F see table 4 If the temperatures differ apply the coefficients given i...

Page 56: ...F 10 LITRE CYLINDERS TO BE REFILLED VOLUME OF FILTERED AIR DURATION OF THE FILTER 200 bar 300 bar cu m hours MCH 13 ET 322 214 644 50 MCH 16 ET 322 214 644 40 MCH 26 ET 322 322 214 214 644 644 50 50 M...

Page 57: ...hose must be in good condition especially in the area of the connections The plastic sheath that covers the hose must not show any signs of abrasion otherwise if any humidity infilatrates it could cor...

Page 58: ...d from the outside while the intake valves can only be removed when the head of the cylinder has been taken off NOTE the valve replacement procedure must be carried out at the work bench by specialize...

Page 59: ...nside and is removed using a special pin wrench while the discharge val ve is on the oustide and is kept in position by the threaded dowel which is screwed into the cover 11 10 11 10 11 10 11 10 11 10...

Page 60: ...ately it will be easier for the technician to intervene if assistance is required Date Operation carried out Date Operation carried out Date Operation carried out Date Operation carried out Date Opera...

Page 61: ...on carried out Date Operation carried out Date Operation carried out Date Operation carried out Date Operation carried out Date Operation carried out Date Operation carried out Date Operation carried...

Page 62: ...tor and the power line The belt slips Tighten the belt The capacity is reduced without a reduction in the speed of rotation The valves are not working Contact the technical assistance service The 3rd...

Page 63: ...on diagram Compression diagram Compression diagram Compression diagram Compression diagram MACHINE DIAGRAMS MACHINE DIAGRAMS MACHINE DIAGRAMS MACHINE DIAGRAMS MACHINE DIAGRAMS 13 13 13 13 13 This chap...

Page 64: ...diagram Electrical diagram Electrical diagram Electrical diagram The model MCH 13 16 ET Compact compressor The model MCH 13 16 ET Compact compressor The model MCH 13 16 ET Compact compressor The model...

Page 65: ...H 26 32 ET Compact compressor The model MCH 26 32 ET Compact compressor The model MCH 26 32 ET Compact compressor The model MCH 26 32 ET Compact compressor The model MCH 26 32 ET Compact compressor Ma...

Page 66: ...rams The model MCH 26 32 ET Compact compressor The model MCH 26 32 ET Compact compressor The model MCH 26 32 ET Compact compressor The model MCH 26 32 ET Compact compressor The model MCH 26 32 ET Comp...

Page 67: ...MOTOR SB1 STOPPING PUSH BOTTON SB2 STOPPING PUSH BOTTON SB3 PURGE PUSH BOTTON HL2 READY STATE RUNNING SIGNALING GREEN HL1 RUNNING SIGNALING RED PT1 HOURS COUNTER KT1 CHARGE PURGE TIMER Y1 SOLENOID VAL...

Page 68: ...68...

Page 69: ...74 Head unit 76 Cooling pipes 78 Filtering system 80 MCH 13 16 ET condensate trap 82 MCH 26 32 ET condensate trap 84 MCH 13 16 ET 86 MCH 26 32 ET 88 MCH 26 32 ET front panel 90 14 1 14 1 14 1 14 1 14...

Page 70: ...70 Spare parts 076 088 090 060 059 058 065 061 050 091 067 066 055 042 052 064 054 016 062 008 070 071 068 040 055 001 074 073 Monobloc Monobloc Monobloc Monobloc Monobloc...

Page 71: ...G RING J 62 058 13 00 0018 8 mm NUT 059 13 00 0009 8 mm FLAT WASHER 060 13 00 0018 8 mm NUT 061 13 00 0061 OIL FILLING PIPE O RING 062 13 00 0062 FLANGE O RING 064 13 00 0064 OIL LEVEL CONTROL PIPE 06...

Page 72: ...5 106 128 107 108 129 194 111 110 131 130 114 098 132 099 072 115 117 117 A 118 118 A 119 118 192 193 109 112 112 A 113 113 A 116 116 A Spare parts Pistons rod unit Pistons rod unit Pistons rod unit P...

Page 73: ...13 02 0113 SET OF 2nd STAGE 36 mm PISTON RINGS 113 A 16 02 0113 SET OF 2nd STAGE 38 mm PISTON RINGS 114 13 00 0110 SEEGER RETAINING RING 115 13 00 0110 SEEGER RETAINING RING 116 13 01 0116 FIRST STAG...

Page 74: ...74 126 124 125 123 017 018 015 019 021 002 002 A 022 007 038 037 039 043 043 A 190 191 024 Spare parts Cylinders unit Cylinders unit Cylinders unit Cylinders unit Cylinders unit...

Page 75: ...PIPE 021 13 00 0021 CORNER 8 PIPE FITTING 8 mm RILSAN 022 13 00 0018 8 mm NUT 024 13 00 0018 8 mm NUT 037 13 02 0037 SECOND STAGE 60 mm GUIDING CYLINDER 038 13 00 0015 GUIDING CYLINDER O RING 039 13 0...

Page 76: ...6 034 033 032 031 028 029 030 035 025 027 020 003 003 A 004 005 006 012 010 009 011 013 041 026 014 046 196 045 051 047 049 056 044 048 195 Spare parts Head unit Head unit Head unit Head unit Head uni...

Page 77: ...TER SPRING 027 13 03 0027 THIRD STAGE HEAD 028 13 03 0028 THIRD STAGE EXHAUST VALVE 029 13 03 0029 VITON O RING FOR THIRD STAGE EXHAUST VALVE 030 13 03 0030 3rd STAGE HEAD COVER 031 13 00 0031 8x50 TC...

Page 78: ...78 036 089 083 084 186 086 185 087 077 074 135 134 138 136 140 139 133 075 141 142 137 023 080 081 079 082 085 087 197 Spare parts Cooling pipes Cooling pipes Cooling pipes Cooling pipes Cooling pipes...

Page 79: ...SCREW 085 13 00 0085 1st 2nd STAGE 10 mm COOLING PIPE 086 13 00 0086 6 mm NUT 087 13 00 0087 6x30 TCE SCREW 089 13 00 0089 10 mm 2nd 3rd STAGE COOLING PIPE 133 13 00 0133 6 mm PIPE HOLDING BRACKET 13...

Page 80: ...80 153 152 156 155 154 158 097 157 159 160 198 188 187 189 Spare parts Filtering system Filtering system Filtering system Filtering system Filtering system...

Page 81: ...TCE 154 13 00 0154 UPPER FILTER CAP 155 13 00 0155 FILTER CAP O RING 156 13 00 0156 INTERNAL FILTER CAP 157 13 00 0155 FILTER CAP O RING 158 13 00 0158 FILTER CARTRIDGE O RING 159 13 00 0155 FILTER C...

Page 82: ...trap MCH 13 16 ET condensate trap MCH 13 16 ET condensate trap MCH 13 16 ET condensate trap 094 091 092 320 145 148 149 150 151 198 183 184 102 103 036 175 174 176 181 182 096 165 166 023 173 172 171...

Page 83: ...150 13 00 0150 SET OF BELLEVILLE WASHERS 151 13 00 0151 V M P CAP 165 13 00 0165 SAFETY VALVE ADJUSTMENT COVER 166 13 00 0166 SAFETY VALVE SPRING 167 13 00 0167 SMALL SAFETY VALVE PISTON 168 13 00 01...

Page 84: ...MCH 26 32 ET condensate trap condensate trap condensate trap condensate trap condensate trap 182 181 036 175 198 089 178 103 102 198 183 184 179 023 174 091 094 092 176 171 172 173 168 169 170 165 16...

Page 85: ...0 0150 SET OF BELLEVILLE WASHERS 151 13 00 0151 V M P CAP 165 13 00 0165 SAFETY VALVE ADJUSTMENT COVER 166 13 00 0166 SAFETY VALVE SPRING 167 13 00 0167 SMALL SAFETY VALVE PISTON 168 13 00 0168 SMALL...

Page 86: ...2 251 279 300 302 254 255 222 221 224 233 234 235 256 257 276 258 250 230 231 217 310 311 312 309 308 307 208 209 211 210 210 A 232 301 MCH 13 16 ET MCH 13 16 ET MCH 13 16 ET MCH 13 16 ET MCH 13 16 ET...

Page 87: ...SCHARGE 235 13 00 0161 CONDENSATE DISCHARGE TAP CASING 250 13 04 0400 COMPACT FRONT PANEL 251 13 04 0401 COMPACT LEFT HAND SIDE PANEL 252 13 04 0402 COMPACT REAR PANEL 253 13 04 0403 COMPACT RIGHT HAN...

Page 88: ...88 279 272 325 326 329 328 327 330 331 332 333 335 336 334 337 MCH 26 32 ET MCH 26 32 ET MCH 26 32 ET MCH 26 32 ET MCH 26 32 ET Spare parts...

Page 89: ...ITS REAR PANEL 326 13 04 0410 COMPACT UPPER PANEL 327 13 04 0411 OIL REFILL CAP B 328 13 04 0412 OIL REFILL CAP A 329 13 04 0413 COMPACT STAY BOLT M6 330 13 04 0414 COMPACT LEFT HAND SIDE PANEL 331 13...

Page 90: ...5 232 231 230 229 240 239 210 210 A 211 229 202 201 200 338 208 205 204 203 207 209 237 224 213 215 216 236 238 233 234 235 232 MCH 26 32 ET MCH 26 32 ET MCH 26 32 ET MCH 26 32 ET MCH 26 32 ET front p...

Page 91: ...3 04 0219 HP 400 mm PIPE 220 13 04 0220 HP 1000 mm PIPE 221 13 04 0221 LP CONDENSATION DISCHARGE SOLENOID VALVE 222 13 04 0222 HP CONDENSATION DISCHARGE SOLENOID VALVE 223 13 04 0223 CONNECTOR WITH SO...

Page 92: ...io Ponale 7 25010 Rivoltella di Desenzano D Garda BRESCIA ITALY Factory Via Colli Storici 177 25010 San Martino della Battaglia BRESCIA ITALY Tel 39 030 9910297 9910301 Fax 39 030 9910283 e mail coltr...

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