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INSTALLATION GUIDE  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

Part No. 2102MTA12 

Revision Date 28/02/2020 

Copyright © 2013 by ARB Corporation Limited 

CKMTA12 / 24 

MAXIMUM PERFORMANCE 

 

ON-BOARD AIR SUPPLY

 

Summary of Contents for CKMTA12

Page 1: ...INSTALLATION GUIDE Part No 2102MTA12 Revision Date 28 02 2020 Copyright 2013 by ARB Corporation Limited CKMTA12 24 MAXIMUM PERFORMANCE ON BOARD AIR SUPPLY ...

Page 2: ...roducts CKMTA12 CKMTA24 The products are in conformity with the following standards or standardized documents EN 55014 1 2003 AS NZS CISPR 14 1 EN 55014 2 2003 AS NZS CISPR 14 2 According to the provisions of the directives 2004 108 EC EMC directive Technical file at ARB Corporation Ltd 42 44 Garden St Kilsyth Victoria Australia Signed for and on behalf of ARB Corporation Ltd Andrew Brown Managing...

Page 3: ...lter 8 2 5 Using an Air Filter Extension Tube optional 8 3 Connecting the Air System 10 3 1 Compressor Outlet Port Connections 10 4 Mounting Connecting the Electrical System 12 4 1 Mounting the Actuator Switch es 12 4 2 Wiring the Actuator System 13 4 3 Connecting the Power Wires 16 5 Testing Troubleshooting 18 5 1 Leak Testing 18 5 2 Testing the Air Locker Actuation Air Locker Systems Only 18 5 3...

Page 4: ...l the necessary tools parts and materials to complete this installation see section 1 2 Tool Kit Recommendations and minimize vehicle down time Please refer to your ARB Air Locker Operating Service Manual for information on operating servicing driving technique or trouble shooting your ARB Air Locker s HINT Place a mark inside each of the symbols as you complete each step It is very important NOT ...

Page 5: ...ntake extension tube is to be used then consideration should be given to the intake position so that the distance length of tube between the compressor mounting location and the actual air intake point can be kept to a minimum 10 The position must allow the compressor motor mounting bracket to firmly secure the compressor using all 4 bolts provided 11 The position must allow access to the opposite...

Page 6: ...osition of the outlet hose or coupling see Fig 1 It is highly recommended to spend some time experimenting with different configurations prior to drilling the four mounting holes Figure 1 The points and figures below outline how to remove the compressor cover in order to orientate the outlet port Unplug the two motor connectors and remove the four cover bolts 10mm socket Figure 2 REMOVE COVER BOLT...

Page 7: ... FILTER END UNHOOK THIS TAB ON THE COVER FROM THE RIBS ON THE COMPRESSOR Gently lift the cover upward from under the fan until it is just above the compressor motors Figure 3 Slide the cover towards the intake filter end to unhook the cover from the compressor head Unplug the connectors from the pressure switch and lift the cover away from the compressor Figure 4 ...

Page 8: ...eater mounting flexibility eight mounting nuts are provided in the mounting bracket but only four must be used Choose one hole from each pair A B C D shown in Fig 6 to best suit your installation location This will ensure that the weight of the compressor is well distributed Drill four mounting holes at a diameter of 8mm 5 16 inch NOTE Try to drill mounting holes accurately Holes should never be d...

Page 9: ...2 Installing the Compressor 7 Figure 6 A B C D CHECK SCALE BEFORE USING AS A TEMPLATE ...

Page 10: ... chart to make sure that the extension tube will not restrict the intake flow Measure the intended length of the extension tube along the path between the compressor mounting location to where the air filter will be mounted Consult the chart above for the recommended minimum inside diameter of the tube NOTE If intending to join the two intakes into one extension tube then halve the values in the M...

Page 11: ...d due to the possibility of the compressor being exposed to water then Teflon tape or thread sealant should be used on the threads of the extension tube at the compressor end Secure loose sections of the tube and the air filter HINT The air filter assembly may be easily panel mounted if desired by securing the air filter base using the 2 bosses located on the inside of the filter base for counters...

Page 12: ...llation of Air Locker solenoids The Air Locker Manifold Kit is shown in Fig 7 and includes Manifold body with mounting bracket 2 x 1 8 BSPP ports for installation of up to 2 x Air Locker solenoids 2 x 1 4 NPT ports one to be used as an input and the second could be used for installation of a pump up kit 1 x high temperature resistant Teflon stainless steel braided hose with heavy duty JIC4 fitting...

Page 13: ...ailable separately in Pump Up Kit ARB 171302 If the compressor is only to be used for inflating a few tires rapidly then a hose coupling can be screwed directly into the compressor outlet port IMPORTANT Due to the fact that compressing air at a high rate produces a lot of heat if the compressor is used for a prolonged period to inflate more than a few tires a hose or coupling fitted directly to th...

Page 14: ...e wiring loom during vehicle use Switch es should be within easy reach of the driver Ideally any Air Locker switch should be able to be operated without physical effort or distraction to the driver compressor switch location is not critical Switch es should be mounted within the line of sight of the driver so that switch position ON or OFF can be visually determined by the rocker position and the ...

Page 15: ...4 Mounting Connecting the Electrical System 13 4 2 Wiring the Actuator System Figure 9 ...

Page 16: ... or an automotive test light locate an accessory outlet or cigarette lighter port in the vehicle NOTE The desired outlet should supply positive 12VDC for a CKMAT12 or 24VDC for a CKMTA24 be fused at a minimum of 8 amps and be live only when the vehicle ignition key is in either the ACC position or in the ON position Using a soldering iron or automotive quality crimp connectors splice the red wire ...

Page 17: ...g through a drilled hole in steel panels then a rubber insulating grommet should ALWAYS be used to protect the loom Assemble the 4 spade connectors into the supplied plastic connector housing so that red wire matches up with the purple wire and each of the other wire colors matches up with the same colors on the matching connector housing of the short loom section when the 2 halves of the connecto...

Page 18: ...xtension using ONLY wire that is of the same gage or bigger than the wire being lengthened NOTE The inline fuse should be located as close to the battery connection as possible Never eliminate any fuses when shortening the RED wire and only ever lengthen the RED wire on the opposite side of the fuses from the battery Crimp suitable gage automotive eye terminals not supplied onto each of the heavy ...

Page 19: ...ED wire and the lighter gage solid black wire with no stripe BLK for connection to battery 2 NOTE The inline fuses should be located as close to the battery connection as possible Never eliminate any fuses when shortening the red wire and only ever lengthen the red wire on the opposite side of the fuse to the battery Crimp suitable gage automotive eye terminals not supplied onto each of the heavy ...

Page 20: ... system and the Air Locker differential is functioning correctly Support the vehicle such that the wheels are free to rotate e g on axle stands a chassis hoist etc Leave the parking brake off the transmission in neutral and the Air Locker switch OFF Turn the ignition to the ON position leaving the motor off The large symbol on the Air Locker switch cover should not be illuminated Turn the compress...

Page 21: ...2 5 volts YES Proceed to STEP 2 NO Insufficient battery voltage Recharge or replace the battery 2 Disconnect the compressor motors from the wiring loom at the connector plugs Run a new wire directly from the negative terminal of the battery 1 to the BLK WHT wire of the one compressor motor Momentarily connect a wire from the positive terminal of the battery 2 to the RED wire of the same compressor...

Page 22: ...ng from the vehicle s ACC power Was 12V detected YES Proceed to STEP 8 NO Wire has not been connected correctly or accessory power has not been turned on Attach RED YEL wire to live ACC power 8 Using a multimeter check for approximately 12V between the negative terminal of the battery 2 and the RED wire connected to terminal 3 of the compressor isolating switch Test while spade terminals are still...

Page 23: ...e connected to the relay block and while the relay is still connected Pierce the RED WHT wire with the multimeter probe to make connection if necessary Was MOTOR VOLTAGE detected YES Proceed to STEP 14 NO Relay fault Replace with a new 12V 40A relay of the same type 14 Disconnect the compressor motors from the wiring loom at the connector plug Using a multimeter check for MOTOR VOLTAGE between the...

Page 24: ...yet well away from danger of accidental engagement Switch es function properly and illuminate to indicate activation For warranty and service purposes please fill in the following fields and supply a copy to the customer if applicable ARB PRODUCT MODEL NUMBER SERIAL No POINT OF SALE NAME LOCATION DATE OF PURCHASE INSTALLATION PERFORMED BY DATE OF INSTALLATION VEHICLE MAKE VEHICLE MODEL VEHICLE YEA...

Page 25: ...6 Parts List 23 CKMA12 CKMA24 Air Compressor Exploded Parts Diagram ...

Page 26: ...9N70 160250 2 13 2 AIR FILTER FLANGE 1 4 NPT 320212 14 2 AIR FILTER COVER 320501A 3 Notes 15 2 AIR FILTER ELEMENT DISK TYPE 290503 3 16 2 AIR FILTER BASE 320501B 3 4 HEX BOLT M6 X 20mm 6151213 4 FLAT WASHER M6 200709 1 Motor voltage is the only difference between 4 SPRING WASHER M6 4581287 The CKMAT12 and CKMTA24 compressors 1 WIRING LOOM SUPPLY CKMTA12 24 180414 4 CKM motors are serviceable Conta...

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