Launch X-631 Wheel Aligner Maintenance Manual      Maintenance and Testing for Measurement Probe Rod 
3-5 
Item19: Acrylic Panel and key-press Inspection 
Note:    1. Check the surface of Acrylic panel and key-press, and then test each key-press for good hand feel; 
2. Check if the function of  each key is normal or not (Up  and  Down  key can be tested by cooperating  with 
computer measurement program). 
 
Item20: Aluminum Frame Inspection 
Note:    1. Check if probe rod aluminum bracket arm is distorted and damaged or not; 
 2. Check if there is crack at the transition corners of aluminum bracket arm. 
Check  if  there  are 
cracks or not