the Service Procedures for RAPTAIR-MF
Contents
1. fittings Install a new oil filter and fill the system with VMAC compressor oil to the correct level Start the engine and engage the air system Allow the system to pressurize and allow it to circulate the oil for about 15 minutes without discharging any air 5 Shut system down and change the oil and the oil filter Refill with compressor oil to the correct level After 50 hours replace the oil filter and top up the oil level VMAC Vehicle Mounted Air Compressors Toll Free 1 800 738 8622 Local 1 250 740 3200 Fax 1 250 740 3201 Service Kit Contents A 200 hour compressor service kit contains e Compressor oil filter e 4Lof VMAC high performance compressor oil e Compressor air filter oval filter e Engine air filter A 400 hour compressor service kit contains e Compressor oil filter e 4Lof VMAC high performance compressor oil e Oil separating coalescing filter e Compressor air filter oval filter e Engine air filter 200 Hour Service Procedures 1 Drain Compressor Oil A Follow all safety precautions L_ Clean debris and dust from the area around the drain port of the air oil separator tank to prevent contamination Oil Fiter ytu lh Pa Bii van K F 200 ia ra A 4J _ 3 ght E ass e AN O i yy E g oYyy o Orain Plug Figure 1 Oil Drain Filter and Sight Glass Location L_ Place pan or tray under drain plug to prevent oil from spilling on battery or belt Using a suitable container larg2. Service Procedures for RAPT AIR MF 200 400 Hour Service Kits A500023 24 RAPT AIR MF General Service Information Safety and Service Precautions Observe these precautions when performing any service e Never attempt to clean an air filter element with compressed air Replace the filter element e To prevent damage to the oil filter always use a proper filter wrench Never over tighten the filter as this may damage the seal or the filter e Never use any compressor oil other than VMAC approved oil Other oil may damage the compressor system cause unsafe operation and may void the warranty Do not overfill the compressor oil system as this may cause oil carryover into air outlet e After the air system has been operating it takes about 30 seconds for the air pressure in the compressor and separator tank to automatically vent Ensure that pressure is relieved before servicing discharge line to the receiver tank The receiver tank may still be pressurized even after the compressor has vented You must make sure that the pressure has been relieved throughout the entire system before any servicing is performed This system is equipped with an air pressure check valve between the coalescing manifold and the e fthe system is cold bring the engine to operating temperature and then operate the compressor system for a few minutes to bring the compressor oil temperature up slightly This will allow the oil to flow more freely and also help
3. d not unscrew with the filter If it is in the filter Loctite blue and install it into the tank base Ensure Loctite does not come in contact with the oil filter side of the threaded nipple Compressor Oil Filter Nipple S lf Compressor Oil Filter Nipple is SZ stuck in Oil Filter remove and SY Loctite into Tank Base before Compressor Oil Filter SJ installing Filter Figure 2 Compressor Oil Filter L_ Check the gasket sealing surface of the air oil separator tank for contamination old gasket material or damage Make sure the new filter is a VMAC filter part number 9200039 This oil filter is a high pressure oil filter not an automotive type oil filter which may rupture under the high pressure of this system L Apply a thin coating of clean compressor oil to the filter sealing gasket L Spin the filter onto the threaded nipple by hand until the gasket lightly contacts the sealing surface of the air oil separator tank E Tighten the filter an additional 3 4 to 1 turn Gi Never over tighten the filter as this may damage the seal or filter 3 Replacing Compressor Oil A N Follow all safety precautions _ Clean debris and dust from the area around the oil fill fitting on the air oil separator tank to prevent contamination wore The air compressor system holds a total of 4L The compressor and cooler hold about 0 5L that will not drain out when servicing so you may end up adding less than 4L to fill to the correct lev
4. dust ejection nipple is facing down 4 2 Replacing the Compressor Air Filter Follow all safety precautions For ease of service the air filter is located just under the roof of the RAPTAIR i MF behind the service panel on the left hand side of the system L_ Clean loose dust and debris from the area around the filter cover to prevent contaminants from entering the system _ Remove the filter cover retaining finger nut the filter cover and the filter element L Immediately cover the air inlet opening by masking with tape or with a clean cloth to prevent contamination Never clean the filter element with compressed air as this will allow some contaminates into the compressor Do not use compressed air or perform any other tasks around the filter and cover until both are replaced system Always replace the air filter element E Clean the inside of the cover with a clean dry cloth A N Do not use flammable solvents to clean the inside of the cover If a solvent has been used rinse the cover thoroughly with water and dry it before installing the cover Flammable gasses in the intake system may cause the engine to overrun and damage the system _ Remove the cloth or masking from the air inlet opening L_ Place the filter into the clean air filter cover and reinstall with the finger nut Ensure that the filter cover is aligned so that its sides over lap the air filter mounting plate The air filter should be clamped between the air filte
5. e enough to hold at least 4L of oil remove the air oil separator tank drain plug and drain the compressor oil After the oil has drained replace the drain plug E Check the old oil for any evidence of metallic particles or other contamination Oil contamination may be a sign of system damage If contamination is found determine the cause repair and flush the tank hoses and cooler See Flushing Procedure above Water may be present in small quantities and is a byproduct of the compression process Any water in the system will typically evaporate out of the oil when the system reaches operating temperature Excessive retained water can be a sign that you are not operating the compressor long enough to reach operating temperature Although not necessary removing the battery will allow more access to air oil separator drain plug area Dispose of the oil in accordance with the environmental protection laws in your location VMAC Vehicle Mounted Air Compressors Toll Free 1 800 738 8622 Local 1 250 740 3200 Fax 1 250 740 3201 2 Replacing the Compressor Oil Filter Follow all safety precautions L_ Clean debris and dust from the area around the filter to prevent contamination L_ Remove the oil filter by turning it counterclockwise using a suitable filter wrench remove it carefully to avoid thread damage then clean and coat the nipple and separator tank threads with i Check the filter to make sure that the threaded nipple di
6. el _ Ensure that the system pressure is discharged and remove the oil fill fitting hose connection see Figure 3 VMAC Vehicle Mounted Air Compressors Toll Free 1 800 738 8622 Local 1 250 740 3200 Fax 1 250 740 3201 L_ Use a funnel inserted into the oil fill fitting on the air oil separator tank and slowly pour in VMAC compressor oil _ Check oil level in oil sight glass while filling Stop filling when oil level reaches just below the MAX line on the sight glass Fresh oil is clear so be sure that you don t overfill as the sight glass might appear empty if filled past the top HOSE CONNECTION OIL FILL FITTING Figure 3 Oil fill fitting location L_ Reconnect the hose connection previous removed ensuring hose fitting is tightened onto the oil fill fitting L Start the system following the start up procedure in the User s Manual and turn on compressor switch L_ Allow the system to pressurize L Turn off the system using the shutdown procedure in the User s Manual _ Wait 5 minutes then drain the air fully to depressurize the system L_ Check for oil leaks and check oil level L Repeat until the oil level in the air oil separator tank is at or just below the MAX line 4 Replacing the Air Filters 4 1 Replacing the Engine Air Filter Follow all safety precautions For ease of service the air filter is located just under the roof of the RAPT AIR MF behind the service panel The filter is also equipped with a f
7. filter by turning it counterclockwise using a suitable filter wrench E Check the gasket sealing surface of the manifold block for contamination old gasket material or damage Make sure the new filter is a VMAC filter part 3600079 This is a high pressure filter Use of other filters not rated to the required pressure may cause the filter to rupture L Apply a thin coating of compressor oil to the coalescing filter sealing gasket and coat the end of the threaded nipple as there is also an O ring inside the coalescing filter L Spin the filter onto the threaded nipple until the gasket contacts the sealing surface of the manifold block E Tighten the filter an additional 3 4 to 1 turn to seat the sealing gasket Gi Never over tighten the filter as this may damage the seal or filter Document 1900985 Revision Details Revised by date Checked by date Approved by date Implemented ECN 13 091 RELEASE CJH 05 Nov 2013 RD 27 Feb 2014 SC 03 Mar 2014 05 Mar 2014 Copyright 2013 All trademarks used in this manual are the property of the respective copyright holder The contents of this manual may not be reproduced in any form without the express written permission of VMAC 1333 Kipp Road Nanaimo BC V9X 1R3 Printed in Canada VMAC Vehicle Mounted Air Compressors Toll Free 1 800 738 8622 Local 1 250 740 3200 Fax 1 250 740 3201
8. ilter minder switch at the back and is monitored by the control system L_ Clean loose dust and debris from the area around the filter cover to prevent contaminants from entering the system L_ Remove the air filter cover by lifting the release lever and turning the cover counter clock wise _ Remove the filter element from the air cleaner housing L Immediately cover the inner port in the air cleaner housing with a clean cloth to prevent contamination entering the intake hose Never clean the filter element with compressed air as this will allow some contaminates into the compressor Do not use compressed air or perform any other tasks around the filter and cover until both are replaced system Always replace the air filter element VMAC Vehicle Mounted Air Compressors Toll Free 1 800 738 8622 Local 1 250 740 3200 Fax 1 250 740 3201 E Clean the inside of the cover and the air cleaner housing with a clean dry cloth A N Do not use flammable solvents to clean the inside of the cover If a solvent has been used rinse the cover thoroughly with water and dry it before installing the cover Flammable gasses in the intake system may cause the engine to overrun and damage the system _ Remove the cloth from the air cleaner housing L_ Place the filter into the air cleaner housing E Secure the cover by pushing the cover against the filter housing and turn the cover clock wise until the locking latch clicks Ensure that the
9. r cover and the mounting plate but do not over tighten the bolt VMAC Vehicle Mounted Air Compressors Toll Free 1 800 738 8622 Local 1 250 740 3200 Fax 1 250 740 3201 400 Hour Service Procedures For 400 Hour Service perform the 200 Hour Service and also replace the Coalescing Filter as below 5 Replacing the Coalescing Filter A N Follow all safety precautions Manifold CoalescingFilter Figure 4 Coalescing Filter Location wore Do not use a screwdriver punched into the side of the filter as this practice can damage the scavenging tube and screen See Fig 5 Coalescing Filter Figure 5 Avoid Damaging the Scavenge Line remove it carefully to avoid thread damage coat the threads that go into manifold block with a small amount of Loctite blue and install it into the manifold block Use caution when removing the filter so as to avoid catching the scavenge screen orifice on the bottom of the scavenge tube on the lip of the coalescing filter This scavenge screen orifice is attached to the scavenge tube by a push to connect fitting if the fitting has come off of the tube re insert the tube into the fitting ensuring that the tube is fully engaged VMAC Vehicle Mounted Air Compressors Toll Free 1 800 738 8622 Local 1 250 740 3200 Fax 1 250 740 3201 i Check the filter to make sure that the threaded nipple did not unscrew with the filter If it is in the filter L_ Remove the coalescing
10. to suspend any contaminants in the oil so that they can be removed from the system along with the old oil e Observe all safety procedures relating to moving belts hot oil and compressed air Use appropriate safety equipment to protect yourself e Check the old oil for any evidence of metallic particles or other contamination Oil contamination may be a sign of system damage If contamination is found determine the cause repair and flush the tank hoses and cooler See Flushing Procedure below Flushing Procedure If the system is being serviced as a result of replacement of a failed component you may need to flush the system by following this procedure 1 Before replacing any failed component check all other system components for evidence of contamination and clean thoroughly Use compressed air to blow out lines and other components Remove the oil filter and dump out oil from the filter If there is no metal in the oil filter continue with the regular flush procedure continue to step 2 If there is metal in the oil filter look for metal in the return line to the compressor If metal is found the cooler must be flushed before the new compressor is installed As well the lines from the tank to the cooler and cooler to compressor need to be thoroughly checked flushed or replaced before installing the new compressor 2 Once the system has been cleaned as thoroughly as possible replace the failed component and reconnect all lines and
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