High pressure breathing air compressors (53 pages)
Summary of Contents for Max-Air Systems MA-35
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USE AND MAINTENANCE MANUAL MA-35 Rev. 6-28-21...
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Max‐Air 2807 Peddler Lane Kerrville, Texas 78028 830‐955‐8188/ 830‐257‐3720 Fax E‐mail: sales@max‐air.com www.max‐air.com Date: __________ Serial #: MA 35 ELEC 1 PHASE 3 PHASE 120 VAC 230 VAC 60 HZ 50 HZ MA 35 Gas Honda MA 35 Gas Subaru Non‐continuous duty ‐ do not use on air storage cylinders ...
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IMPORTANT: BEFORE USING THE COMPRESSOR READ THIS MANUAL CAREFULLY. IMPORTANT: BEFORE CARRYING OUT ANY WORK ON THE ENGINE CONSULT THE ATTACHED ENGINE USE AND MAINTENANCE MANUAL. WARNING: The compressors are delivered without the refill hoses, compressor lubricating oil, combustion engine lubricating oil or filtration cartridge: these items are supplied inside the packaging.
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QUICK GUIDE WARNING: - This guide is intended only as a rapid introduction to use of the compressor. - This guide is not meant to replace the use and maintenance manual. - This compressor must not be used before reading the entire use and maintenance manual.
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When refill is complete: - switch off the compressor; - close the bottle valve 4; - open the condensate discharge valve 3 and let all the air bleed out; - disconnect the coupling 1 from the bottle. Maintenance: - After the first 12 working hours change the oil again (see section “7.6”). - Check the lubricating oil level every 5 hours (see section “7.6”).
CONTENTS 1 - GENERAL 1.1 Preliminary information 1.2 Required operator training 1.3 Important information for the user 1.4 Foreword 1.5 Warranty 1.6 Assistance 1.7 Responsibility 1.8 Purpose of the machine 1.9 Where the machine may be used 1.10 Running in and testing the compressor 1.10.1 Tightening torque values 2 - BASIC INFORMATION ON THE COMPRESSOR 2.1 Description of the compressor...
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6.2 Checks to be run at the start of each working day 6.2.1 Lubricating oil level check 6.2.2 Checking that the flex hoses are in good condition 6.2.3 Fuel level check 6.2.4 Checking the safety valves 6.2.5 Storing technical documentation 6.3 Starting and shutting down 6.3.1 Starting and shutting down with internal combustion engine 6.3.2 Starting and shutting down with electric motor...
Do not destroy or modify the manual and update it with inserts published by producer only. Machine type: High pressure compressor for breathing air and/or technical gases Model: MA-35 Manufacturer’s data: Max-Air 2807 Peddler Lane Kerrville, Tx 78028 Telephone: + 01 830-257-5006 http: www.
Important: you must understand the following symbols and their meaning. They highlight essential information: IMPORTANT: Refers to additional information or suggestions for proper use of the compressor. DANGER: Refers to dangerous situations that may occur during use of the compressor: aims to ensure worker safety. WARNING: Refers to dangerous situations that may occur during use of the compressor: aims to prevent damage to objects and the compressor itself.
WARRANTY IMPORTANT: The materials supplied by Max-Air are covered by a 1 year warranty, the validity of which begins when the compressor is put into service as proven by the delivery document. Max-Air shall repair or replace those parts it acknowledges to be faulty during the warranty period.
customer in full; in any event the warranty is rendered null and void if the compressor is tampered with or if work is carried out on it by personnel who have not been authorized by Max-Air. A compressor that has been acknowledged as faulty on account of flaws in design, workmanship or used materials shall be repaired or replaced free of charge by Max-Air at the plant in Kerrville, TX;...
PURPOSE OF THE MACHINE The compressors have been designed and built for the purpose of obtaining excellent quality breathing air by drawing it from the surrounding environment. The air, which must be free from any harmful fumes, is passed through an intake filter and, after the pumping and filtration cycle, is stored in bottles constructed to contain air at high pressure.
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carried out with the compressor at standstill, the electrical power supply disconnected and the pumping circuit depressurised. - After switching off the compressor wait about 30 minutes before carrying out any maintenance tasks so as to prevent burns. - The high pressure flex hose that connects to the bottle (also called the refill hose) must be in good condition, especially in the areas near the fittings.
- Check that the fittings provide a proper seal by wetting them with soapy water: eliminate any leaks. - Do not attempt to repair high pressure hoses by welding them. - Do not empty the bottles completely, not even during winter storage, so as to prevent damp air getting in.
1.10.1 Tightening torque values The table shows tightening torques for hexagonal-head or cylindrical-head recessed hexagonal bolts and screws, except for specific cases illustrated in the manual. Pipe connections (swivel nuts) should be finger tight plus an additional 1/2 turn. Tightening torque values Valores de par 6 and 4 bolt torque sequence Secuencia de apretado para 6 y 4 pernos...
GENERAL INSTRUCTIONS WARNING: This manual must be read carefully before transporting, installing, using or carrying out any maintenance on the compressor. It must be preserved carefully in a place known to compressor users, managers and all transport/installation/ maintenance/repair/final dismantling personnel. This manual indicates the purposes for which the compressor can be used and gives instructions for its transport, installation, assembly, adjustment and use.
3 - SAFETY REGULATIONS GENERAL SAFETY RULES 3.1.1 Know the machine The compressor must only be used by qualified personnel. They must have an understanding of the arrangement and function of all the controls, instruments, indicators, warning lights and the various info plates/labels. 3.1.2 Protective clothing All operators must use accident prevention items such as gloves, hard hat,...
GENERAL PRECAUTIONS «DANGEROUS ZONE»: any zone inside and/or near a machine in which the presence of an exposed person constitutes a risk for his/her security and health. «EXPOSED PERSON»: any person wholly or partially inside a dangerous zone. «OPERATOR»: the person(s) charged with the task of installing, running, maintaining, cleaning, repairing and transporting the machine.
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check for any worn, damaged or loose parts; in this case seek assistance from the maintenance technician. It is especially important to check that flex hoses or other parts subject to wear are in good condition. Check also for any leaking of oil or other dangerous substances.
3.2.1 Important safety information This state of the art compressor has been designed and built according to, and complies with, technical regulations in force concerning compressors for the production of high pressure breathing air. The laws, regulations, standards and directives in force for such machines have been complied with.
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Residual risk zones: 1 Danger of polluting the produced air due to the possibility of mixing exhaust fumes or lubricating oil vapors with the compressed air being produced. 2 Electrical dangers. Use the machine with suitable insulation, especially against water and humidity. 3 Dangers derived from use of internal combustion engine: Observe instruction in the relevant engine manual.
3.3.1 Safety info labels: description Do not use the compressor without having first read the instruction manual supplied with the machine and observed the instructions. The user shall pay all necessary attention and adopt appropriate control devices, safety and protection for vessels which have indicated, on the test certificate, maximum working pressure lower than that indicated on compressor.
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Condensate separator info label. Indicates that the condensate must be emptied via the drain valves every 10-15 minutes. IMPORTANT: Except for version with automatic condensate discharge. WARNING Empty condensate every 10-12 minutes Condensate discharge info plate. Indicates position of condensate discharge valve. To discharge the condensate see “7.9 Condensate discharge”.
Cartridge change info label. To change the cartridge refer to “7.10 Purifier filter”. GENERAL SAFETY REGULATIONS 3.4.1 Care And Maintenance Damage and accidents are often caused by maintenance errors, such as: - no oil, - insufficient cleaning, - compressed air circuit inefficiency (flex hoses damaged, loose pipes, screws etc.).
- Fire drills must be conducted to insure the safety of all involved. - Make sure a phone number for emergency medical assistance is kept nearby. Keep your Latitude and Longitude location in a plain sight. In the event of fire use a CO extinguisher in compliance with the relevant standards in force.
3.5.4 Keeping the compressor clean Oil and grease stains, scattered tools or broken pieces constitute a danger to personnel as they may cause slips and falls. Always keep the compressor and the surrounding work area clean and tidy. To clean the compressor, use gasoline or denatured alcohol, taking care to protect the electrical parts, plastic parts, transparent or colored.
4 - TECHNICAL DATA TECHNICAL CHARACTERISTICS 4.1.1 Crankcase, crankshaft, cylinders, pistons The crankcase is made of aluminium alloy; the flanges with roller bearings on the filter sides and ball bearings on the fan side that support the crankshaft are kept oil-tight with the crankcase by O-rings between flange and crankcase and the oil retainer between flange and motor shaft.
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MACHINE PARTS MA35 GH AEROTECNICA COLTRI S.p.A. Via Dei Colli Storici 177 25010 DESENZANO DEL GARDA (BRESCIA) WWW.COLTRISUB.IT - MADE IN ITALY MODEL MCH-6 TYPE SC000000 NR. MON. YEAR 2014 MOTOR HONDA POWER 3,6kW 75 db MA35 E1 AEROTECNICA COLTRI S.p.A. Via Dei Colli Storici 177 25010 DESENZANO DEL GARDA (BRESCIA) WWW.COLTRISUB.IT - MADE IN ITALY...
TECHNICAL CHARACTERISTICS IMPORTANT: For the MA-35 models: If the compressors are started with the circuit depressurized the MINIMUM power of the generator with unloaded start MUST be ~7 kVA. Do not start compressor while towers are under pressure. 780mm - 30,7”...
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MA35 E1 650mm - 25,5” MA35 E1 Electric Single phas (kW) Engine power (Hp) Engine rpm (giri/min)(rpm) 2800 3400 Voltage Frequency (Hz) Absorption Pumpin Unit (giri/min)(rpm) (bar) 232-300-330 Working pressure (PSI) 3300-4300-4700 (l/min) Delivery rate Refill time 10l / 0-200bar (min) Noise level Lwa (dB) (Kg)
5 - HANDLING AND INSTALLATION UNPACKING The compressor is packed in a cardboard box on a pallet to simplify handling and transport. The box containing the compressor must be moved according to the instructions shown on the box itself. The machine is supplied with the following as standard: - 1 4 foot fill whip;...
INSTALLATION WARNING: Before proceeding with the installation tasks described below, read Chapter 3 “SAFETY REGULATIONS” carefully. 5.3.1 Positioning - Position the compressor in the designated area and make sure it is level. For compressor dimensions please consult section 4.3 “Technical characteristics” - Check that the area in which the compressor is to be positioned is adequately ventilated: good air exchange (more than one window), no dust and no risk of explosion, corrosion, fire and absense of harmful or...
5.3.2 Air intake extension connection If the compressor is installed in an area without the necessary ventilation requisites described in section 5.3.1 “Positioning”, it will be necessary to install an air intake extension leading in from outdoors or a place with the cited ventilation requisites.
6 - USING THE COMPRESSOR IMPORTANT: For optimal use of the compressor it is recommended to respect the times of continuous use, and the shutdown time (for cooling) reported in the table. Engine power ( Use (minutes) Cooling (minutes) 45-60 PRELIMINARY CHECKS BEFOR USING FOR THE FIRST TIME The operator must check that the compressor is supplied with:...
DANGER: Before carrying out this task disconnect the compressor from the mains power supply. Do not invert or disconnect the ground (earth) wire (yellow/ green). 6.1.5 Refill hoses connection At the time of delivery the compressor has no refill hoses fitted: the refill hose is supplied together with the compressor inside the packaging.
6.2.2 Checking that the refill flex hoses are in good condition Inspect the refill hoses and make sure there are no cuts, holes, abrasions, leaks etc. If necessary replace with new hoses. 6.2.3 Fuel level check To check the fuel level unscrew the cap (a), check that there is fuel and re- close the cap (a).
IMPORTANT: The safety valves must be replaced every 5 years or 2000 hours. DANGER: Tampering with the safety valve to increase the pressure setting is strictly forbidden. Tampering with the safety valve can seriously damage the compressor, cause serious injury to personnel and renders the warranty null and void.
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- repeat the procedure if necessary. - if the air lever was in the closed position at the start gradually shift it to the open position as the engine warms up. - to stop the engine in the event of an emergency turn the shutdown switch (e) to the OFF position.
IMPORTANT: For models with three-phase electric motor check that the direction of rotation of the electric motor is as indicated by the arrow on the cover (if it is not refer to “6.1.4 Checking for proper electrical connection”). TANK REFILL IMPORTANT: During refill the operator must be in the work area.
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WARNING: Use only tested bottles (as proven by a test stamp and/or certificate). The working and bottle refill pressures are shown on the bottles themselves. It is forbidden to refill them at a pressure greater than that indicated. Check that the bottles to be refilled are in good condition: they must have been tested by the relevant authorities (stamped and/or certified).
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To refill bottles with standard connectors (1): - Fit the hose connector (g) to the bottle valve (b). - Screw in the fixing knob (h) until it is completely tightened. - Start the compressor. - Open the valve (e) by rotating it counterclockwise. - When the refill has been completed shut the compressor down.
OPTIONAL 6.5.1 Automatic shutdown with pressure switch The compressor can be equipped with a pressure switch (a) so that it shuts down automatically when it reaches the pressure set by the manufacturer. When the set pressure is reached the compressor stops. 6.5.2 Automatic condensate discharge If the compressor is equipped with an automatic condensate discharge ,...
FOREWORD To obtain the best possible performance from the compressor and ensure a long working life for all its parts it is essential that personnel follow the use and maintenance instructions with extreme diligence. It is thus advisable to read the information below and consult the manual every time an inconvenience arises.
SCHEDULED MAINTENANCE TABLE Before every refill Hours Years Maintenance Mantenimiento 100 250 500 1000 1500 2000 3000 4000 Condensate discharge Intake filter Lubricating oil Belt wear and tension stage valves stage valves Condensate separator HP filter stage segments stage HP flex hoses Fitting/hose leak General check-up Pumping unit, general overhaul...
TROUBLESHOOTING Problem Cause Solution • The electric motor • Check fuses or • Phase missing does not start condenser • Check the motor and • Motor power too low the line • Rotation speed and flow rate decrease • Restore proper belt •...
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CHECKING AND CHANGING THE LUBRICATING After putting the compressor into service the lubricating oil must be changed after the first 12 working hours. The lubricating oil must be changed every 50 hours working hours or annually. IMPORTANT: The compressor must be placed on a solid surface with a tilt of no more than 5°.
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Checking the oil level The oil level must be checked every 5 working hours of the compressor. The oil level must be between the minimum and the maximum shown on the dipstick (a). If the oil level is above the maximum level: - position a recipient under the drain valve (b) so that the oil flows into the exhausted oil recipient;...
CHECKING FUEL LEVEL AND TOPPING UP IMPORTANT: Before carrying out any work on the engine consult the attached engine "Use and Maintenance Manual". The fuel level must be checked at the start of every working day. To check the fuel level: - unscrew the cap (a);...
IMPORTANT: If the compressor is used in a dusty environment the filter change interval should be reduced to every 50 hours. CONDENSATE DISCHARGE DANGER: Do not carry out these tasks if the compressor has only just shut down; wait for the compressor to cool. All maintenance work must be carried out with the compressor OFF and the power supply lead unplugged from the mains socket.
IMPORTANT: Every 5 years or ever 3000 hours it will be necessary to change the condensate separator body. IMPORTANT: Every 5 years or ever 3000 hours it will be necessary to change the drain valves. DANGER: You MUST drain the condensate at the specified intervals.
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Filter cartridge replacement frequency calculation table * Temperature Filter duration (work hours) n° bottles by 15l (Recharge 0-200bar) °C °F 80 l/min 100 l/min 80 l/min 100 l/min * The values shown in the table were obtained with pressure maintenance valve calibrated at 200bar. Changing the filtration cartridge To change the filtration cartridge (b) proceed as follows: - vent all the compressed air inside the circuit;...
7.11 TRANSMISSION BELT Belt tension must be checked monthly. The transmission belts must be replaced every 500 working hours of the compressor or annually. DANGER: Do not carry out these tasks if the compressor has only just shut down; wait for the compressor to cool. All maintenance work must be carried out with the compressor OFF and the power supply lead unplugged from the mains socket.
7.12 CHANGING THE FLEX HOSES IMPORTANT: The hoses must be changed periodically (every 5 years or ever 3000 hours) or when they show signs of abrasion/wear/damage. The bending radius of the hoses must not be less than 250 DANGER: Do not carry out these tasks if the compressor has only just shut down;...
8 - STORAGE Should the compressor not be used, it must be stored in a dry sheltered area at an ambient temperature of between 41°F and 113°F (5 °C and 45 °C). Store the compressor away from sources of heat, flames or explosive. STOPPING THE MACHINE FOR A BRIEF PERIOD If you do not intend to use the compressor for a brief period proceed with general cleaning.
9 - DISMANTLING AND PUTTING OUT OF SERVICE Should you decide not to use the compressor or any of its parts any longer you must proceed with its dismantling and putting out of service. These tasks must be carried out in compliance with the standards in force. WARNING: Should the compressor, or a part of it, be out of service its parts must be rendered harmless so they do not cause any danger.
DISMANTLING THE COMPRESSOR IMPORTANT: Disassembly and demolition must only be carried out by qualified personnel. Dismantle the compressor in accordance with all the precautions imposed by the laws in force in the country of use. Before demolishing request an inspection by the relevant authorities and relative report. Disconnect the compressor from the electrical system.
10.2 SCHEDULED MAINTENANCE The scheduled maintenance program is designed to keep your compressor in perfect working order. Some simple tasks, described in this manual, can be carried out directly by the customer; others, however, require that the work be carried out by trained personnel.
10.5 SCHEDULED MAINTENANCE REGISTRY COUPONS TYPE OF WORK AND NOTES “ASSISTANCE” SERVICE STAMP TECHNICIAN’S SIGNATURE DATE TYPE OF WORK AND NOTES “ASSISTANCE” SERVICE STAMP TECHNICIAN’S SIGNATURE DATE TYPE OF WORK AND NOTES “ASSISTANCE” SERVICE STAMP TECHNICIAN’S SIGNATURE DATE TYPE OF WORK AND NOTES “ASSISTANCE”...
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MAX-AIR 35 Electric 4800 psi 4.2 scfm AIR TO GO.. 4800 scfm** a compact, personal portable, high pressure, breathing ...
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2807 Peddler Lane Kerrville TX 78028 USA 830‐955‐8188 P 830‐257‐3720 F sales@max‐air.com Re-order form for consumables – be sure to check periodically Bill To: Ship To: (if different than bill to) Date Ordered Ship When Ship Via Buyer Terms ...
LP-MCH6-0321 CRANKSHAFT POS. QTY CODE DESCRIPTION KIT1 6-01-005/R 1ST STAGE CONNECTING ROD KIT CONNECTING ROD 1ST STAGE BRONZE BUSH A 12-15-12 BEARING SCE 188 KIT2 6-02-005/R 2ND STAGE CONNECTING ROD KIT CONNECTING ROD 2ND STAGE BRONZE BUSH A 12-15-12 BEARING SCE 188 KIT3 6-03-005/R 3RD STAGE CONNECTING ROD KIT...
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CRANKSHAFT Direction of assembly of 3rd and 4th stage connecting rods 2nd STAGE Inner side Casting marks Casting marks 3rd STAGE 1st STAGE Stage 3 Stage KIT4 - 6-04-005/R 4th STAGE KIT3 - 6-03-005/R KIT1 - 6-01-005/R KIT2 - 6-02-005/R 4 t h S T A G E 3 r d S...
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STAGE For models produced up to 10-2018 For models produced after 10-2018 6-02-500/R New 2nd stage replacement kit KIT5 - 6-02-006/R KIT1 - 6-02-107/R for models produced up to 10-2018 KIT6 - 6-02-008/R KIT2 - 7-02-107/R KIT3 - 6-02-101/R NO LONGER AVAILABLE ORD.
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STAGE KIT1 - 6-03-008/R KIT2 - 6-03-007/R KIT3 - 6-03-001/R Piston ring 3.5- Piston ring 3.6- Elastic ring made of harmonic steel The valve must be tightened with a torque of 15 ft-lbs MCH-6 Spare parts price list 13 - 34...
REFILL CONNECTORS POS. QTY CODE DESCRIPTION REFILL HOSE 1200 MM FILLING VALVE Yoke FILLING VALVE DIN 300 BAR Standard Standard MCH-6 Spare parts price list 29 - 34...
GASKETS PUMPING GROUP MCH-6 POS. QTY CODE DESCRIPTION 10 OR-2300/R KIT WITH 10 OR 2300 NBR 90 SH 10 OR-2093/R KIT WITH 10 OR 23,52X1,78 NBR 90 SH 10 OR-4081/R KIT WITH 10 OR 20,22X3,53 NBR 90 SH 10 OR-2250/R KIT WITH 10 OR 2250 NBR 90 SH 10 OR-4112/R KIT WITH 10 O-RING 4112 NBR 90 SH (28,17X3,53)
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GASKETS PUMPING GROUP MCH-6 3 rd S 4 th S T A G E T A G E 1 s t S T A G E 2 n d S T A G MCH-6 Spare parts price list 34- 34...
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