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Posts Tagged ‘trailer Brake Tester’

HGV Brake Testing Using A Decelerometer

December 5th, 2019 Comments off

HGV Brake Testing – As Per The DVSA

As you have purchased or are a user of a decelerometer, detailed below is the status of required testing of HGV’s as taken from the DVSA’s “Guide to maintaining roadworthiness” November 2018.

As within the industry we at aide automotive hear varied opinions of what is required when brake testing commercial vehicles, we have detailed the requirement as per the DVSA’s guidance.

No 1 – The current law could still be the fact that ONE annual MOT roller brake test (RBT) is the requirement.

No 2 – As the Health & Safety standards of the UK are of a high standard, duty of care laws could leave an operator open to the fact that high risk practices requires more testing.

No 3 – The DVSA’s “Guide To Maintaining Roadworthiness” should be used as the bench mark for all maintenance standards and be the minimum best practice.

So what does the Guide (For Brake Testing) say?

Safety inspection facilities
Facilities should include: • undercover accommodation for the largest vehicle in the fleet. This is required to ensure that safety checks can be conducted satisfactorily in all weathers (depending on fleet size the building may need room for more than one vehicle at a time) • tools and equipment appropriate to the size and nature of the fleet – access to brake test equipment (eg a roller brake tester, decelerometer)

As per the annual test, every safety inspection must assess the braking performance of the vehicle or trailer. It is STONGLY ADVISED that a calibrated roller brake tester (RBT) is used at each safety inspection to measure individual brake performance and overall braking efficiencies for the vehicle or trailer to the annual test standards. However, it is also acceptable to use an approved and calibrated decelerometer to measure overall brake efficiency values for vehicles without trailers.

Brake testing should be undertaken with the vehicle or trailer in a laden condition in order to achieve the most meaningful results; however, due to basic design limitations or restriction caused by the type of cargo normally carried, this is sometimes not possible

A printout of the brake efficiency test from either the RBT or decelerometer should be attached to the safety inspection record. If the brake test equipment cannot produce a printout, efficiency results must be recorded by the inspector on the safety inspection report. To help operators arrange a brake performance assessment with safety inspections, it is acceptable for a satisfactory brake performance assessment to be carried out within the same week of the planned safety inspection. Brake efficiency testing can be carried out by either an approved RBT or decelerometer test.

The conclusion! An O Licence operator should carry out a brake test on every inspection (to meet the DVSA guidance as above, although further detailed text does state “it is therefore normally expected that the vehicle or trailer should complete at least three successful brake efficiency tests spread throughout the year in addition to the annual MOT test), this can be achieved using an RBT or Decelerometer, the test should be printed out and attached to the safety inspection sheet. With regard to decelerometer tests, if the user decided to carry out the test laden, he/she should write on the printout as so: Laden / Un Laden.

If you are unsure about any of the above text or details, please do not hesitate to contact aide automotive.

Purchasing a Bowmonk BrakeCheck could not be any easier, just click on Purchase A BrakeCheck to review prices and buy!

Brake Efficiency Tester

Brake Tester Using Brake Efficiency to Report On Truck Brakes

HGV Brake Testing, Why A Pass Is Not A Pass!

November 19th, 2019 No comments

Operators need to scrutinise and interpret the results of roller brake-testing, and not just rely on seeing the word ‘pass’ on the bottom line of the generated report.

That was a key message from the first of this year’s FTA Transport Manager conferences, which was held at the Haynes Motor Museum in Somerset.

Western area traffic commissioner Kevin Rooney provided the keynote address for the conference, and explained that roller brake testing had been used in the industry for at least 50 years, but was not the be-all and end-all of assessing brake condition.

While the annual test focussed on performance, he pointed out that the Construction & Use Regulations (C&U) which every vehicle had to conform to every day it was on the road were actually stricter. C&U stipulated that every part of the braking system had to be in “good and efficient order”.

“This means it must be to the manufacturer’s standard,” he said. ”A detailed brake test needs to cover every part of the system.

“But unladen testing is meaningless.” He showed the results for a Volvo tractor unit that had been tested unladen. It had passed the test in terms of service brake performance, but the brake on the second axle had locked up having generated only 650 kg of braking force, as there was insufficient weight on the wheels.

“This is not representative,” he said. “During heavy braking, most of the trailer weight will transfer to the tractor, so testing things empty is a waste of time.”

Reputable testers either use loading-beams to transfer force onto the vehicle to simulate a load, or used water-filled intermediate bulk containers (IBCs) or similar to create one.

“Roller testing an unladen vehicle nullifies the inspection,” he warned.

Later in the conference, Phil Lloyd, head of engineering and vehicle standards at FTA (pictured, right), added more detail.

“Operators take false comfort from the word ‘pass’ at the foot of a brake test report,” he said. “It’s a piece of evidence that says everything is alright when really it isn’t.”

Operators were normally required to put every vehicle and trailer through four equally-spaced brake tests, one of which could be the annual test, every 12 months.

“Annual tests and periodic maintenance inspections both have the same objective: making sure the vehicle is in safe, roadworthy condition.”

He warned operators that every line of the printed paper report generated by the brake test should be scrutinised, starting at the top.

“Look for the DTp number at the top of the report. This identifies the vehicle, its specified brake performance, and plated weight. Check it against the number on the vehicle’s plating certificate. If this number is wrong, then the report is worthless.”

It was necessary to understand how the brake tester worked if the results it generated were to be understood. Vehicles were tested one axle at a time, and each wheel was positioned in a pit which contained two driving rollers coated in a high grip material to drive the wheel, and a single sensing roller between and beneath them which sensed the wheel’s rotation.

The wheel was rotated by the driving rollers, with the tyre driving the sensing roller beneath. During the brake test itself, the brake is strongly applied to create resistance between the tyre and the driving rollers, and the sensing roller measures the amount of resistance being offered by the brake in kg force.

Overall brake efficiency is calculated by adding the braking force generated by each wheel and dividing the total by the weight of the vehicle (GVW for rigids, GTW for tractors and TAW for trailers). The resultant figure is then multiplied by 100 to give a percentage efficiency.

However, this calculation can only be meaningful if there is a reasonable force acting on the tested axle to maintain traction between tyres and driving rollers. Each axle should be loaded to between 50 and 65 per cent of its design weight, and the brake tester will measure this.

However, if the axle is not sufficiently laden, then grip will be lost and the wheel locked before maximum efficiency is recorded. The system will record a wheel lock as a pass, but the report will give no indication of the brakes’ actual efficiency.

Mr Lloyd cautions: “If you want a meaningless brake test, put the truck on the rollers unladen and bang the brakes on; if the brakes lock up, then you’ve passed!”

He pointed out other deficiencies with the brake test.

Drum ovality (or rotor run-out in the case of discs) was only tested on the front axle. The test rig picked up variations in braking effort as the wheels rotated slowly with the brakes only marginally applied.

Wheels were each tested individually, but the effort generated on each side of a single axle could show an imbalance of up to 30 per cent and still pass.

“There is a potential issue with steering control under braking at this point,” he said. “It should at least be an advisory.”

He urged operators to take advantage of the data generated by the electronic brake performance monitoring systems fitted on most new trailers.

“It gives an indication of brake performance in real-time and can also indicate braking problems with the towing vehicle,” he said.

More details are contained in the Brake Test Report, published by the FTA last month, and given to each delegate at the conference.

Brian Beacon, director of roller brake testing equipment specialist VL Test Systems (VLT), commented: “VLT always carry out full in-depth training when installing our brake testers, covering the full printout and explanations for each section.

“Our recommendation is that the vehicle/trailer is loaded to 65 per cent minimum for a meaningful test, and if it is not then a warning is shown on the screen and the printout stating ‘insufficient load on axle’.

“We are aware of items that could be improved but to gain DVSA approval for the equipment in automatic mode, we have to follow DVSA rules setting out the full test as it is at present, including the ‘locks rule’.”

He added: “All our brake testers also have different modes whereby the tester can carry out full checks on each wheel or axle including individual brake force, bind, ovality, imbalance etc – and even draw graphs to visually compare these figures.

aide automotive offer the simple tool of a Infra Red Gun for Truck & Trailer Brake Checks.

DVSA Guidance states The Use Of a Temperature Tool Is Good Practice For Commercial Vehicle Maintenance Routines. Extract From Guide to maintaining roadworthiness (11.2018) “The use of brake temperature measurement can improve the effectiveness of a road test and is an established method to assess if individual brakes are operational. Brake disc/drum temperature readings should be compared across an axle after a laden road test or by in-service monitoring, using a brake temperature sensor, which can be a simple handheld device or using a more sophisticated remote monitoring system. Brake temperature readings would need to be well above ambient temperature with relatively consistent readings taken for each brake across an axle. Brakes which are cold (ambient temperature) or showing an inconsistent reading from the brake on the opposite side on the same axle, should be investigated further.” Simple & Hand Held !

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DVSA Brake Tests

HGV Brake Checks With A Temp Gun

TrailerCheck Portable User Guide Manual

October 28th, 2019 Comments off

Please make sure you have read and understood the instructions before using this product.

Using the TrailerCheck

On opening the case you should hear a bleep; this confirms the microprocessor has powered up and the unit is ready for use. Fully closing the lid will automatically switch the unit off.

Plug the 24N, 24S & ABS/EBS leads into the trailer sockets, drop down the protection flap to revel the main control panel. Press the black 24 N button to scroll down the various normal outputs, side lights, circuit 1 & 2 indicators etc. You will hear the ticking of the relays, this switches the lights on for two seconds and off for one, operating in this way extends the battery life.

Please note that the stop lights do not flash as this would confuse the ABS warning lamp check, do not leave the lights on for any longer than necessary as this will drain the batteries

Scroll down using the 24S (green Button) to power the Reverse, Fog and Secondary ABS power. Note if the green ABS warning light flashes the correct code for the ABS system is fitted to the trailer, there is also a reverse and side light position to test the silent mode of some reversing warning devices.

To activate automatic full test, press the green 24S button until the Fog Lights LED is lit, press it once more and all the control lights will illuminate, the processor will sequence through every circuit one after the other this will be indicated by the lights moving to the next position after each flash.

Press and hold both the green and black buttons for 3 seconds, this puts the tester into diagnostic mode, this will enable the selected circuit to be powered continuously.

Pressing the red button powers the ABS / EBS via the dedicated ISO7638 lead. The EBS CAN line test is automatic and results are displayed. The Yellow In Cab warning light will flash depending on the ABS / EBS system installed on the trailer.

To save power the tester will turn off after approx. 10 mins, except when in diagnostic mode and using ABS/EBS power.

A double bleep indicates low battery, and NOTE, the tester cannot be used while on charge!

Charging TrailerCheck

To recharge, close the lid to switch off and connect the mains charger into the TrailerCheck on the side of the case. Now plug into a mains supply and turn on. Or connect to a vehicle cigar lighter

TrailerCheck ABS & EBS Fault Diagnostic

ABS – If the ABS circuit is OK you should see the YELLOW light flash on for 2 seconds and then off for 2 seconds then on all the time (this is dependant on the trailer system). If the ABS circuit has a fault the YELLOW light will be on all the time. If testing a Wabco VCS system, this light will be on all the time. If you have a fault, check all ABS sensors and pole ring with the aide automotive ABS Sensor Tester.

EBS – When the TrailerCheck tests each CAN line you will see on the front panel a HI and LO LED, if the ISO circuit is faulty the fault LED will be lit in RED under the corresponding CAN HI or LO LED, if OK the GREEN LED will be lit.

Trailer Cables

TrailerCheck has 3 cables connected to the inner case, you can identify each cable by…

Cable with the clamp – This is the ISO ABS / EBS cable

Black cable with no white front face – This is the main lighting circuit cable

Black cable with a white face – This is the secondary cable

 

Trailer Light Tester

TrailerCheck User Manual Quick Reference Guide

Commercial Repairs For Trailer Faults

October 12th, 2019 No comments

With the growing need for fault finding the modern way, Code Talk Trailer Diagnostics is becoming more and more of interest to the commercial vehicle trade.

Cooks Commercials, based in Taunton consulted aide automotive of the available tools to determine faults on trailers, reviewing TrailerCheck, The EBS ABS Sensor Master & Code Talk it became obvious the full trailer diagnostic system Code Talk was the correct tool.

Code Talk is a world-renowned Diagnostics Handheld Fault Code Reader for all Trailer Manufacturers including WABCO, HALDEX, KNORR-BREMSE and specifically their trailer ABS/EBS Brake systems. This product is used by being plugged into the braking ECU and will read out and clear any fault codes that the trailer may have. The Code Talk can also show live air pressures, wheel speeds, and system voltages which also helps with the diagnostics on the trailer. It can also act as a remote to our VTC allowing you to work from inside an HGV Service Van.

With NO annual software fee with Code Talk, this trailer diagnostics tool is by far the best on the UK market. Up gradable for future proofing, the Code Talk will outlast and beat any Texa or JalTest system.

Code Talk Trailer Diagnostics is an aftermarket engineers’ diagnostic tool, designed by UK trailer maintenance engineers for engineers.

Contact aide automotive on 0115 8456471 To Discuss Trailer Diagnostics for a Haulage Trailer Fleet

 

24 Volt CV Diagnostics

Code Talk is the next generation of trailer diagnostics from aide automotive ltd.

Truck EBS Brake Tester

July 31st, 2019 No comments

This Is The ISOCheck EBS Plus Tool.

Designed By Our In House Tech Team The ISOCheck Tool Will Test The ISO7638 Socket On The Rear Of A Tractor Unit.

Trucks first used on the road on or after 1 May 2002 must be fitted with ISO 7638 connections. If a truck is fitted with an Electronic Braking System (EBS) and is towing a trailer fitted with EBS then a 7 core cable must be used. Trucks & Trailers with a defective EBS system (especially double decker trailers) would vastly increase the chances of roll over or jack-knife.

The simple & quick procedure of attaching the tester to the ISO7638 Truck Susie Socket and turning on the ignition will confirm Green for Good Or Red for Fault! So when the truck is returned to the road all information from the trucks ISO7638 can be trusted & proven.

Also, if the RED light indicates a fault, ISOCheck EBS-Plus will indicate which pin is at fault. Once the initial power test is complete with a RED fault light, ISOCheck will then go into diagnostic mode and flash a 1 to 7 count sequence in relation to the faulty pin.

ISOCheck EBS will test all electronic braking systems, Wabco, Knorr Bremse and Haldex, covering the differences between the early generations and the latest.

So for truck manufacturer workshops to large haulage fleets to small independent commercial repairers, ISOCheck Is An Ideal Tool!

Inspection Sheet Check Of The ISO Brake Line Creates A Safety Brake Check.

aide automotive 0n 0115 8456471

The Electronic Braking System (EBS) Susie or the ISO 7638

What Is The ISO EBS Truck & Trailer Lead?

ISO7638 Truck & Trailer Tester

July 19th, 2019 Comments off

#Commercial #Vehicle Workshop is a business magazine for companies and individuals involved in all aspects of commercial vehicle servicing.

#Trailer #Servicing & fault finding was featured in the recent July issue with an advert from aide automotive detailing the #ISOCheck.

ISOCheck EBS will test all electronic braking systems, #Wabco, Knorr #Bremse and #Haldex, covering the differences between the early generations and the latest.

ISOCheck really becomes the perfect test tool on a dark wet night, the quick test and the bright (Green) OK / Fault (Red) answer increases test and repair efficiency.

ISOCheck can be used as a constant visual aide on any truck and trailer but possibly especially for double decker trailers. Double decker trailers with a defective EBS system would vastly increase the chances of roll over or jack-knife. With ISOCheck in place a driver or depot gateman would be able to see the RED warning light.

To read the full article on Trailer Servicing, go to the CVW Magazine website to review an online copy.

Contact aide automotive on 0115 8456471 to learn more about #ISO7638 testing for truck & trailer.

 

#Commercial #Vehicle Workshop is a business magazine for companies

ISOCheck EBS will test all electronic braking systems, #Wabco, Knorr #Bremse and #Haldex

Truck Potentiometer Tester For Brake Calipers

June 25th, 2019 Comments off

Commercial Vehicle Brake Caliper Tester

The tester is used to check the potentiometers (wear indicators) in brake calipers and for the determination of the wear of the brake disc and brake pads.

The practice of checking a potentiometer for faults and replacement could save a commercial vehicle operator thousands instead of complete caliper replacements!!

The reported practise of replacing a complete calipers rather than testing and replacing a potentiometer is in the past if you own an aide automotive Potentiometer Tester.

The procedure for checking the potentiometer can be carried out with the caliper installed on the vehicle or with the caliper removed, simply connect the supplied correct cable to the brake potentiometer, power the tester and choose which type you are testing, MAN / Mercedes 3 Wire Gold DAF / Mercedes 2 Wire Scania / Iveco / Mercedes 3 Wire Silver

The display will show the voltage, pad wear percentage & bar graph.

To set a new potentiometer simply wind the potentiometer until the display show 0 %, done!!

To test a potentiometer, wind the potentiometer until about 2.75 volts, this will show low pads warning and then to 100% for failure warning. SIMPLE!!

So start testing & replacing potentiometers to save money today!!

Visit the aide automotive Ltd website for more information on Commercial Vehicle Brake Caliper Tester

 

HGV Caliper Tester

Truck Potentiometer Tester For Brake Calipers

Do You Know What Brake Testing You Should Be Doing?

June 19th, 2019 Comments off
Since April 2014 the DVSA have been recommending commercial vehicles undertake 4 brake tests per year!

This is a recommendation based on the DVSA’s guidance paper.

So as this is a recommendation, what is the law? Is the law is one RBT as a MOT per year?

Well it is if the DVSA is a guidance paper, or is it?

If the guidance set out by the DVSA isn’t followed and the operator is inspected by the DVSA or addressed by a traffic commissioner. The guidance set out by the DVSA is used as the standard an operator should meet, does this now make it law?
Well the operator has to make this call; do you follow the guidance or not? Keeping a fleet roadworthy and safe must be a high priority for any management team, after all the with laws around corporate manslaughter all risks need to be seriously considered.
Many operators have moved with the guidance but still 5 years has passed with some commercial vehicle operators still unaware of the law and guidance.

So, regarding commercial vehicle brake testing, the guidance states:

Document :Guide to maintaining road worthiness
Commercial goods and passenger carrying vehicles (Revised 2014)

Section 5: Safety inspection and repair facilities

Extract –
“Therefore, it is normally expected that the vehicle or trailer should complete at least three successful brake efficiency tests spread throughout year in addition to the annual MOT test.”

An operator can take the decision to carry out brake tests using roller brake tests or a decelerometer.

As the consequences of non-compliance with the required standards can be very severe and include prohibition, fines or prosecution, operators are advised to ensure that they are familiar with all the changes within the DVSA guidance.

Following The Bath Tipper Incident Inquiry, HGV Brake Testing is Essential!!

The inquiry showed the Bath tipper truck to have been poorly maintained which resulted when tested to have a very poor brake efficiency.
aide automotive recommend the use of roller brake testers and decelerometers within a 12-month maintenance and testing policy.

Also, the use of an Infra-Red Temperature Gun, Infra-Red Temperature guns are an excellent way of individual brake testing of wheel disks or drums to determine brake activation. With the ease of just pointing the Infra-Red Light at the wheel hub from the outer edge of a trailer or truck and without removing wheels, an infra-Red Temp Gun can indicate if a wheel is not braking efficiently as compared to the other wheels on the vehicle.

aide automotive market a range of Brake Testing, Servicing & Diagnostic Tools for commercial vehicle workshops.

With the Bowmonk BrakeCheck Portable Decelerometer Printer kit, a workshop can meet the 3 additional required brake tests with minimum fuss. For Trailer Servicing & Diagnostics, aide offer a complete Trailer Electrical (ABS Light & EBS CAN Line Test), Light and Air Brake Tester with Diagnostics interface for Trailer ECU Code Reading / Clearing and management data viewing. EBS/ABS Sensor Master testing can be conducted with the Sensor Master, while Battery Diagnostics Tests with a Midtronics MDX Battery Tester.
aide automotive offer a range of products to help with DVSA Guide To Roadworthiness. Contact us via our website www.aideautomotive.com
HGV DVSA Truck Brake Tester

 

Brake Tester, Diagnostics, Battery Testers

aide auto Market Truck & Trailer Workshop Test Tools

Truck ISO ABS / EBS Susie – What Is It?

November 29th, 2017 Comments off

Faulty ISO7638 Line Can Cause Fatal Accidents

Some drivers aren’t aware of the role Of the ISO ABS / EBS Susie!

aide automotive have seen recent reports in the media of articualted truck drivers knwloedge of the ISO 7638 Susie.
We offer credit to the below article to Don Bur Ltd.
There is disturbing evidence to suggest that some drivers aren’t aware of the role and critical importance of the ABS ISO7638 line for articulated trailerswhilst in transit or, more worryingly, are deliberately leaving it disconnected.
The use of the ABS ISO7638 line (otherwise known as the EBS/ABS line) became law in May 2002 where the tractor and trailer are both provided with connections.
The EBS/ABS ‘Suzie’ connection provides electrical and data feeds to the trailer’s ECU or ‘brain’. The ECU then controls the anti-lock braking system (ABS), load sensing (LSV), roll stability (RSS) and suspension control which regulates the correct trailer ride height and, in turn, the overall trailer height.
So why then might a driver leave it disconnected? There are, surprisingly, a couple of reasons. Firstly, the roll stability system (RSS) automatically applies the brakes if the trailer is going too fast round a bend. This has an impact on both speed and fuel economy and, if a driver is either in a rush or targeted against fuel consumption, they might be tempted to disable this ‘inconvenient’ feature.
The other apathetically induced reason is that it just “doesn’t seem to do anything”. Indeed, when the driver pulls away, his/her brakes and lights will appear to work. What the driver may not understand is that they are more likely to experience jack-knifing, aquaplaning, brake lock, rollover, bridge strike and, more commonly, the fact that the 44T rig just won’t be able to stop as quickly when trying to avoid that pram that’s just peeked out from a line of parked cars.
So, just in case there is any lingering doubt, failure to connect the ABS ISO7638 line correctly results in the risk of catastrophic, life-threatening accidents. If the driver fails to use the line/ ‘Suzie’ correctly and there is a collision in which someone is killed, then the driver can face a charge of manslaughter.
aide automotive market a ISO7638 cable with fault indicator, so as well as having the cable correctly connected a driver can also be notified of any faults within the system. Again an electrical fault could have the same catastrophic effects as the ISO Susie cable being non connected.
ISOCheck lights bright RED when a fault is identified, if good to go the ISOCheck is continually lit bright GREEN.

ISO7638 Truck Tester

ISOCheck tests a trucks’ ISO sockets in order to help identify ABS or EBS faults.

80% Of Commercial Vehicle Brake Faults Cleared By Sensor Master

November 7th, 2017 Comments off

CV ABS & EBS Brake Repairs Made Easy!

The Sensor Master Clears 80% Of Commercial Vehicle Brake Faults

As the air braking world has changed, we have had to adapt the way we deal with diagnostic problems that can arise on our customers vehicle systems. As the air signalling system has been fazed out and replaced by the EBS / ABS system we have endeavored to keep up with the advancements in the technology and created our own range of testing equipment.
Our engineer is constantly updating the test equipment to match the needs that arise from his service visits, so are perfectly tuned to the EBS / ABS components that we supply.
Our test devices can be used in conjunction with the OE manufacturer’s testers to create a complete analysis structure for truck and trailers that is not only easy to use but also affordable to all sizes of fleet maintenance from owner / driver to multi fleet service garages.
Since 80% of all EBS / ABS problems are sensor related (Reported By Knorr Bremse & Wabco), by connecting to the sensor socket on each wheel, rather than the ECU, in effect, taking the quickest and most direct route, by going straight to the heart of the problem.
The Sensor Master DRA08 is a handheld EBS / ABS sensor and exciter ring tester, for use on trucks, trailers, and buses.
Lightweight and portable, the EBS /ABS CV Sensor Tester comes supplied with two 1.6m high quality cables, a sturdy carry case, short introductory printed manual, and a single 9V battery – everything, in fact, needed to use it straight out of the box.
Designed with ease of use in mind, the Commercial Vehicle ABS EBS Sensor Testertakes minutes to set-up, and, once connected, undertakes a complete test cycle of the six most common causes of EBS / ABS faults, at the touch of a button, in just 15 seconds – a fraction of the time it would take to perform the same tests manually.
Contact aide automotive to purchase this cost effective easy to use tester or buy online at our aide Online PayPal Shop.
Commercial Vehicle ABS EBS Tester

Truck ABS Faults Easily Found With Sensor Tester