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User manual D701 MOT Class 4 roller brake tester.

DOC: BOS0188

D701

ATL Class 7 Roller Brake Tester

USER MANUAL

Garage Equipment Association

Boston Garage Equipment, 199 New Road, Rainham, Essex, RM13 8SJ, United Kingdom

T: +44 (0)1708 525585

F: +44 (0)1708 525408

[email protected] www.boston-ge.com

Содержание D701

Страница 1: ...ter 1 DOC BOS0188 D701 ATL Class 7 Roller Brake Tester USER MANUAL Garage Equipment Association Boston Garage Equipment 199 New Road Rainham Essex RM13 8SJ United Kingdom T 44 0 1708 525585 F 44 0 170...

Страница 2: ...3 3 Misuse 8 4 MOT regulations 9 4 1 Brake efficiency 9 4 2 Brake imbalance 10 5 Manual MOT testing procedure 11 5 1 Preparations before starting a brake test 11 5 2 Testing the front wheels 12 5 3 T...

Страница 3: ...ehicles It is important to note that the testing of 4 wheel drive vehicles is not permitted when using the ATL automated procedure The maximum axle load during the test is 3000 kg The test speed is 2...

Страница 4: ...orces on the electric motor An electric transducer with strain gauges measures these reaction forces The roller diameter is sufficiently large to keep the tyre flexing to a minimum The special coating...

Страница 5: ...the remote control and the control cabinet are explained in the two following paragraphs 2 1 1 and 2 1 2 2 1 1 Infra red remote control PC control The system can be manually controlled by means of an...

Страница 6: ...play for showing measurements both in bar graph as well as in numerical values seven indication lamps a main switch three manual start stop buttons and an emergency stop switch The display is shown in...

Страница 7: ...king brake 2x to indicate wheel lock slip left and right wheel 1x to indicate when the 3 wheel mode is selected 1x to indicate when the 4 x 4 mode is selected Emergency switch To be used to stop the r...

Страница 8: ...GCP contains a high specification PC with a laser printer and large display monitor The ATL one man test braketester operating software is pre installed and activated during installation Connection to...

Страница 9: ...efore starting each stage of the test Do not stand on or walk over the rollers at any time The unit should be placed inside a rigid flat and clean surface protected against water humidity and weather...

Страница 10: ...the brake force and locking any wheels under test the rollers will stop immediately Closed covers for the chain and electrical components The electrical circuits are built in the display cabinet to r...

Страница 11: ...fitted to the vehicle On the D701 display the DGW can also be inputted manually by means of the infra red remote control see chapter 5 4 It is required to test the service brake individually wheel by...

Страница 12: ...wheels and a parking brake operating on at least one wheel which were first used i before 1 January 1968 40 25 16 ii on or after 1 January 1968 50 25 16 Vehicles first used before 1 January 1968 whic...

Страница 13: ...as a percentage of the higher brake force The imbalance of the braking effort on an axle is obtained by comparing the brake efforts at each wheel when they are tested simultaneously Imbalance calculat...

Страница 14: ...e power on NO VEHICLE SHOULD BE IN THE BRAKE TESTER WHEN THE POWER IS SWITCHED ON AS THE WEIGHING SYSTEM WILL PERFORM AN AUTOZERO RESULTING IN WRONG CALCULATION OF VEHICLE WEIGHTS DURING TESTING The m...

Страница 15: ...be held at a constant value to visually check any fluctuations on that wheel The operator should note and interpret the irregularities in the brake force behaviour 2 For the right wheel press Key RIGH...

Страница 16: ...irm this assignment Repeat the imbalance test for the parking brake as described in STEP 3 7 Press Key PARK to assign the parking brake imbalance result The Parking Brake lamp will light to confirm th...

Страница 17: ...iciency 13 Manually calculate the brake efficiency for both the service brake and parking brake as described in chapter 4 1 by means of a calculator Determine if the vehicle PASSES or FAILS on brake e...

Страница 18: ...ss 3 and 4 vehicles This mode allows the operator to start the left side of the roller bed if the smaller middle roller of this one side only is pressed down NOTE The testing of 3 wheel vehicles is no...

Страница 19: ...l force can be held at a constant value to visually check any fluctuations on that wheel The operator should note the irregularities in the brake force behaviour 4 Follow the procedure described in ch...

Страница 20: ...constant value to visually check any fluctuations on that wheel The operator should note and interpret the irregularities in the brake force behaviour 3 Press Key RIGHT on the remote control to start...

Страница 21: ...ftware will operate differently depending on the data entered at the beginning of the test 1 Front axle brake test 2 Front axle brake bind test 3 Parking brake test 4 Rear axle brake test 5 Rear axle...

Страница 22: ...then be shown The rollers will start automatically and the operator is prompted to centralise the wheels in the rollers This message is shown for 2 seconds For safety reasons whenever the rollers are...

Страница 23: ...idual brake force values are shown for each wheel The rollers will automatically stop when slip occurs or readings are stable for 3 seconds When the rollers stop the display will change to digital for...

Страница 24: ...rake test After the brake effort reaches the 75 threshold the RBT will sound an audible BLEEP and visually show all three lamps on the left of the console The operator must now slowly reduce the brake...

Страница 25: ...instruct the operator to move the vehicle forward and place the rear axle in the rollers When the software detects that the wheels are in place the rollers will automatically start The operator is pr...

Страница 26: ...User manual D701 MOT Class 4 roller brake tester 26 DOC BOS0188 8 4 Rear axle brake test The rear axle brake test is conducted in the same way as the front axle brake test...

Страница 27: ...rake test After the brake effort reaches the 75 threshold the RBT will sound an audible BLEEP and visually show all three lamps on the left of the console The operator must now slowly reduce the brake...

Страница 28: ...the relevant check box on the following screen Once the test is complete the results page will automatically be shown The printer will also print two copies of the results automatically One copy for t...

Страница 29: ...l data from previous saved tests the operator must enter into the initial data entry page within the ATL test procedure and select F6 The most recent tests will automatically be shown at the top of th...

Страница 30: ...ted that the vehicle was first used before 01 01 1968 then the software procedure operates in the following way If the operator selects YES then the test Limits are as follows SERVICE BRAKE 30 from FI...

Страница 31: ...ains every four months Lubricate the chain every 3 months when used intensively For periodic maintenance calibration and service contact the Boston service department or your local distributor Warning...

Страница 32: ...01 MOT Class 4 roller brake tester 32 DOC BOS0188 Boston Garage Equipment 199 New Road Rainham Essex RM13 8SJ United Kingdom Tel 44 0 1708 525585 Fax 44 0 1708 525408 Email info boston ge com Web www...

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