
E 70 GP 010 Rev No: 2 Page 2 of 3
This printed copy is only valid for 02/10/2018
6.1 Machines with a mass less than 32 tons: Efficiency must be greater than 27%.
6.2 Machines with a mass greater than 32 tons: Efficiency must be greater than 17.3%.
7. PROCEDURE
7.1 Turn on the SIMRET by pressing the R, the display will go through a boot up check and rest
on SIMRET READY with a time and date.
7.2 Position the SIMRET in the foot well of the cab of the vehicle, the SIMRET should be
positioned with the HSE arrow pointing in the direction of travel.
7.3 Strap the footpad to the brake pedal and connect to the SIMRET air coupling located next to
the adjusting screw.
7.4 Press S, the display will show the ground slope, when on level ground it should be level, if not
adjust by turning the adjusting screw with the yellow top until level. If testing on a slope this
should be set to the ground slope.
7.5 Press A, you can now enter a Plant ID. Press the Pbutton first; you can use the S & P
buttons to rotate through the stored list of Plant ID’s, once the correct plant has been
identified press A.
7.6 You can then enter an Operator ID, pressing Pto rotate through the listing, once the
Operator has been identified press A.
7.7 You can now define the test area, the display should show UNSPECIFIED AREA, pressing S
to alter the description that is relative to your test area, if left on UNSPECIFIED AREA no
reference to the test area will be shown on the print out. Press A.
7.8 The display will now show Armed for the test # with speed = 0 Kph on the bottom line of the
display. Check that the test area is safe; accelerate the vehicle in a constant speed of at least
10 Kph or above.
7.9 Apply the brakes fully until you have stopped, the display will show Calculating Don’t Move
Yet; hold your foot on the brake until the results have appeared on the screen.
7.10 Once the result has appeared on the screen the vehicle can be moved or the SIMRET can
be removed from the vehicle.
7.11 With the result on the screen press P, the test will start to print off, alternatively for a quick re-
arm press A and go to step 7.7.
7.12 Once finished printing the display will show PRINT GRAPH? Press Pif you would like to print
the graph or Rto return to the SIMRET READY.
7.13 All brake test certificate must be printed and kept on vehicle file for minimum period of 12
months.
Refer to the manufacturers operating manual for procedures to PRINT STORED RESULTS,
DELETING OF TESTS, ADJUSTING OF THE CONTRAST, ADJUSTING OF THE CLOCK and the
attached EFFICIENTCY SPECIFICATIONS:
8. OTHER REFERENCE DOCUMENTATION
8.1 ISO 3450:1985 specifies the minimum performance and test criteria.