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pro locker air locking differentials

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we started it founded on mateship in 1973 tjm is the aussie pioneer of 4wd equipment we re tried and proven australia s rugged yet diverse landscape has provided the ideal testing ground whether your journey takes you on or off road for work or play tjm has the gear you can depend on we re tough yet sophisticated using the latest engineering and manufacturing technology our products are exposed to stringent testing and thorough quality assurance procedures to guarantee our customers receive nothing but the best everybody wants a piece of us our research and development team brings leading-edge and performance-driven products we re the experts not just on our home turf but also offshore so it s not surprising tjm s aussie innovations are exported around the globe.

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pro locker 2 3

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pro locker experiencing life outdoors is best achieved behind the wheel of a 4wd but why is that when you finally take your 4wd out of suburbia onto what s meant to be its home-turf that even the smallest obstacle becomes too challenging for your brand new shiny 4wd well it s all about traction traction describes the relationship or grip that your tyres have with the ground and loss of traction is the 4wd s number one enemy without traction your prized 4wd will be about as useful as an exercise bike at a suburban gym even though you ve purchased a 4wd its factory differential is designed for road use to prevent premature wear on tyres it allows for easy cornering by delivering torque to the wheel experiencing the least resistance this process works well on bitumen but when you go off-road your engine will send all its power to the wheel that comes off the ground essentially leaving you powerless the tjm pro locker solves this problem with the flick of a switch an innovative air-operated differential locker the pro locker effectively locks tractionless wheels and subsequently the other wheels work harder to get you out the pro locker allows you maximum traction and drive from all four wheels giving you the best possible chance of tackling formidable terrain and all without getting your feet dirty with the pro locker installed you may never get stuck again.

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wheel not providing drive how a standard differential works pro locker 4 5 4wd in a straight line 4wd cornering 4wd on a slippery surface wheel providing drive when a vehicle with four wheel drive engaged is driven in a straight line the standard differentials in most vehicles allow equal transfer of engine torque to all four wheels when the vehicle turns a corner torque is delivered to the wheels that experience the least resistance this principle ensures that the inside wheels will rotate freely and power is delivered to the outside wheel to prevent tyres from scuffing and wearing out prematurely because the standard differentials transfer the torque to the wheels that encounter the least resistance you will lose drive on loose/slippery ground or if one wheel is suspended in mid air this becomes a problem as the wheel will spin and won t allow the wheel on firmer ground to drive the vehicle out of a situation how a tjm pro locker works transmission of torque 4wd in a straight line 4wd cornering 4wd on a slippery surface the operation of the pro locker differential is simple and straightforward utilising compressed air the internal selector ring will engage the lock ring once the tjm pro locker is engaged it forms a solid link between the carrier and the side gears the differential is now locked and will deliver equal drive to both axles the vehicle that was once suspended in mid air can now have equal power delivered to the wheel on firmer ground and can be driven out of the situation unlocking the differential involves the pressurised air being redirected through an exhaust port on the solenoid valve the spring and the actuator pushes the selector ring back which in turn pulls the locking ring back out of engagement with the side gear the differential is now unlocked and the gears are free to differentiate as before.

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5 2 4 3 6 7 1 1 4 pro locker exploded view

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1 differential casing high strength sg iron these pieces hold the solid one piece cross shaft 4 pinion gears together by 8 high grade bolts making the tjm pro locker one of the strongest locking differentials on the market 2 flange cap assembly tjms extra thick flange cap features longer crown wheel bolts for extra strength where applicable 3 side locking gear with extra large teeth featuring a leading edge the tjm pro locker is one of the easiest to engage tjm released the pro locker into the market for a select few models and three and a half years on the tjm pro locker has endured intensive testing which has taken the already proven pro locker design and made it even tougher based on comparative advantages there is no doubt the tjm pro locker is superior to any other locker available today be assured the tjm pro lockers combination of simplistic design with components of exceptional strength and quality will leave you satisfied with your choice for years to come advantages of owning a tjm pro locker 4 pinion gears thicker than standard case hardened thrust washers that are perfectly shaped to the internal spider gears 5 lock ring when activated the case hardened lock ring has a full 10mm of engagement over the side locking gear 6 hardened one piece cross shaft this hardened one piece cross shaft is the heart one of the key strengths of the tjm pro locker 7 hardened selector ring the all metal hardened selector ring connects to the lock ring via 4 metal posts unique air operated piston style actuator aims to eliminate the risk of oil being pumped up the airline hardened thrust washers and the size of the locking ring make pro locker extremely strong in operation contains stronger materials and a thicker carrier compared to most standard differentials larger pinion gears are used in comparison to most standard differentials no carrier modification needed other than the drilling and tapping of a bulkhead fitting port large pre-tensioned 3/8 bolts hold the pro locker hemisphere together robust design equals less maintenance reinforced rubber external hose extension is supplied as standard to minimize the risk of the airline being damaged by debris while driving recessed coloured l.e.d cabin switches show clearly when tjm pro locker is on or off patented design that has been used and proven in the field for over 20 years actuator the uniquely designed actuator works like a motor piston the fork sits on top of the selector ring guiding it across when engaging or disengaging heavy duty airline this comes standard with the tjm pro locker it will not pull out if hooked on rock or logs solenoid valve designed originally for tjm sealed against dust moisture to ip65 standards machined anodised from billet aluminium pro locker switches clearly lit l.e.d switches are recessed into the switch block for protection against accidental engaging or disengaging of the tjm pro locker pro locker 6 7 in 2005 tjm combined a renowned patented design with extensive testing and finally tjms established production capabilities the tjm pro locker was born.

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pro locker air compressor the tjm pro locker compressor is a ultra compact vehicle mounted air compressor designed specifically to meet the needs of the next generation tjm pro locker oil-less non-lube piston cylinder stainless steel silicone valves light weight plastic components built-in check valve balanced for smooth low vibration operation long-life high performance ptfe compound piston ring external air intake filter dust moisture resistant permanently lubricated motor shaft connecting rod bearings 180° of rotation adjustment allowing fitment in confined spaces side view side view 180° of rotation complete traction kit tjm pro locker pro locker compressor pro locker wiring harness

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head configuration stroke pressure cfm psi psi 01 10 20 30 40 50 60 70 80 90 100 110 120 lpm bar bar 0 .5 1.0 1.5 2.0 3.0 5.0 7.0 cfm .57 .51 .45 .40 .35 .32 .29 .26 .24 .21 .19 .16 .14 pressure only .560 inches flow @12v lpm 16.1 14.9 13.7 12.5 11.5 9.6 7.2 5.2 n/a 120 psi 8.3 bar 10 3 on 30 off 149°f -22°f 120 psi 12v dc permanent magnet 9.0 28.0 n/a 3700 n/a 65°c -30°c 8.3 bar unlike the more conventional articulated piston pump the wob-l has no gudgeon pin wrist pin connecting the piston rod to the piston instead the piston and piston rod are a single item usually a single casting the piston rod is mounted to an eccentric bearing assembly which in turn is mounted to the motor shaft to convert rotary energy from the motor into linear motion of the piston within the cylinder the piston is sealed to the cylinder by a flanged disk cup that forms both a seal and mechanical guide for the piston it runs without lubrication in contact with a low friction surface coated cylinder of high heat conductivity as the piston is driven up and down air resistance on the upward stroke expands the disk s seal on the piston against the cylinder wall to increase its efficiency while compensating for the `wobble action the oil-free operation makes the wob-l piston extremely popular in the medical automotive and beverage industries the pressure vs flow and vacuum vs flow characteristics are generally superior to those of diaphragm pumps in use wob-l provides far greater flows at any given pressure or vacuum to ensure a more consistent operation to provide longer life operation by allowing a physically smaller pump to be used to perform any given task as a piston pump an inherent characteristic of the design is the failure mode is a gradual fatigue rather than a catastrophic failure mode which is a characteristic of many other designs max continuous pressure max intermittent pressure max duty cycle minutes on/off at 23°c max ambient air temp min ambient start temp max restart pressure motor voltage/frequency motor type current at rated load amps starting current locked rotor amps capacitor value min full load speed rpm thermal protector we stand by our product performance and quality which is why the tjm pro locker comes standard with an industry leading 2 year/40,000 km limited warranty and 1 year warranty on the tjm pro locker compressor you can enjoy peace of mind with tjm pro locker knowing there are over 40 tjm specialists nationwide to assist you if required pro locker compressor pro locker 8 9 the wob-l principle has a unitary piston rod that `wobbles inside the cylinder as the crankshaft rotates taking its name from its principle of operation the wob-l trademark was patented by engineers working at thomas forty years ago they provided a piston compressor radically different from any other design on the market at that time and remains a significant innovation in the field of compressor technology today.

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tjm about us back in the 70 s when 4wd s were few and far between three adventure seeking mates got their `off road thrill with customised volkswagen beetles suped up as beach buggies each fitted with custom made bull bars roll bars and sand tyres ­ they drew the attention of friends and bystanders before long lloyd taylor cliff jones and steve mollenhauer were making hand-made custom bars for a growing number of fans as the demand continued to grow they decided it was time to get serious in 1973 with little more than their combined initials shared passion and appreciation for quality products ­ tjm was founded and the rest is history they were pioneers and tjm became the first company in australia to manufacture and distribute quality 4wd equipment our product range has extensively grown to include steel and alloy bull bars grille guards side and rear protection bars side steps trade racks roof racks tjm recovery equipment tjm winches tjm xgs suspension airtec snorkels tjm pro lockers and tjm roof top tents awnings while tjm has grown to be a sophisticated operation we have never forgotten the key elements that resulted in the formation of the brand trust from the quality of manufacturing pride in our innovative designs adventure heading out from suburbia and experiencing the wonders of our unique and breathtaking country australia.

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for more information regarding the products listed in this brochure contact our head office factory or your local tjm 4wd distributor 150 robinson road geebung brisbane queensland 4034 australia t +61 7 3865 9999 f +61 7 3865 9991 e info@tjm.com.au w www.tjm.com.au tjm products pty ltd has made every effort for the information contained within this brochure to be correct at the time of printing however tjm products pty ltd reserve the right to alter any specifications and to alter the range of products stocked without notice always consult your local tjm distributor for the latest information on tjm products and its specifications disclaimer britax x-ray vision lights are a tjm preferred supplier tjm bull bars do not include britax x-ray vision lights some images are for illustration purposes only.

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www.tjm.com.au queensland bundaberg caboolture cairns coopers plains geebung gold coast hervey bay mackay maroochydore mt isa rockhampton toowoomba townsville new south wales albury armidale carlton coffs harbour dubbo hornsby orange parramatta port macquarie hunter valley wollongong victoria ballarat bendigo coburg dandenong echuca geelong mildura pakenham traralgon south australia nailsworth st marys 07 4152 0144 07 5499 1400 07 4047 8900 07 3277 8255 07 3633 0377 07 5596 3472 07 4124 1855 07 4957 3886 07 5451 1155 07 4749 0650 07 4927 6844 07 4639 1089 07 4758 0995 02 6021 5544 02 6771 1781 02 9547 3355 02 6652 4899 02 6882 1111 02 9477 5528 02 6361 3838 02 9635 7466 02 6584 9499 02 4951 1184 02 4227 4888 03 5335 9777 03 5441 7225 03 9354 1116 03 9792 1116 03 5482 1522 03 5277 1444 03 5023 4466 03 5941 6588 03 5176 6666 08 8344 6444 08 8276 4400 western australia perth 08 9331 2788 karratha 08 9144 4222 australian capital territory canberra 02 6241 8161 northern territory darwin 08 8984 4926 tasmania hobart 03 6231 5121 part number 300pa5pro

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