User's Manual

DSP500 Series Wheel Alignment Sensors 2. Mounting Sensors • 11
Wheel Adaptor 175-321-1 with Ratchet Adaptor Locking Lever
Rotate locking lever clockwise to tighten. If upper casting prevents rotation of lever,
either expand adaptor to move upper casting or re-position the lever by lifting lever up to
disengage, rotating counter-clockwise, and lowering to re-engage.
Proceed until the shaft is locked tight to adaptor.
With shaft fully locked, re-position the lever to the 9 o’clock position by lifting lever up to
disengage, rotating to 9 o’clock, and lowering to re-engage.
Re-position lever to 9 o’clock
The lever in the 9 o’clock position eliminates possible contact with upper casting or
sensor during alignments.
Operation of Ratchet Adaptor Locking Lever after Initial Setup
To remove the sensor or reposition a target, loosen the lock by turning the lever counter-
clockwise to the 3 o’clock position.
To loosen, turn lever from 9 to 3 o’clock To lock, turn lever from 3 to 9 o’clock
To lock the sensor or target, tighten the lock by turning the lever clockwise to 9 o’clock
position.