660-R OPERATING INSTRUCTIONS
Page
15
MANUAL TESTING
Class IV – Manual mode
In this mode, the roller direction can be selected. This enables a 'quick
check' following a brake repair or testing of 4WD vehicles.
N.B. Not all 4WD vehicles are suitable for roller brake testing.
Check manufacturers' data before testing and if in doubt use
a decellerometer on a road test.
RESET the system in the normal way by pressing
2 nd
then
STOP
keys
and show CL4 on the DDsp.
Drive the vehicle into the rollers.
Pressing the
2 nd
and then
4WD
keys puts the unit into Manual Mode
which is indicated by DDsp showing
MAn.
Next select the wheel(s) that is to be tested and the direction of rotation
by using the following buttons:
Repeatedly press the
LEFT ARROW
key to cycle through, no direction
(off), forward rotation and reverse rotation for the LEFT rollers.
Repeatedly press the
RIGHT ARROW
key to cycle through, no direction
(off), forward rotation and reverse rotation for the RIGHT rollers.
The direction of rotation for each roller set is shown by the indicator
lamps on the display .
Press the
START
key to start the selected wheel(s) and after the rotating
icon display a live reading of brake effort is shown on the pointer(s).
The test is stopped when the wheel slips, the wheel leaves the rollers, the
STOP button is pressed or the emergency switch is operated.
The pointer will then show the maximum brake effort recorded during the
test.
If the PRINT key is pressed this maximum reading will be recorded on the
printout.
To exit the manual mode, RESET the system by pressing
2 nd
and then
STOP
keys and the DDsp shows CL4 to show return to normal operation.
