Page 10
09/19/16
Patriot
®
180
BIT RETAINING RINGS
•
Inspect for cracks or deformations.
•
Remove all irregularities with a file or emery cloth.
•
Replace if necessary.
CHUCK
•
Inspect the chuck bushing for cracks or irregularities. Replace if necessary.
•
Inspect for cracks and burrs.
•
For continued use, the outside diameter should be larger than the outside of the case
or the same. Collar length should not be less than 5-1/4" (133 mm).
CAUTION
IF THE COLLAR LENGTH IS LESS THAN 5-1/4" (133 MM) AND THE BIT IS
UNDER LOAD CONDITIONS, CONTACT BETWEEN THE SHOULDER OF
THE BIT RETAINING RINGS AND THE BOTTOM OF THE BIT RETAINING
RING AREA ON THE BIT, COULD CAUSE THE BIT TO FAIL IN THIS AREA.
•
Torsional play in the splines should not exceed 0.250" (6.4 mm).
•
Replace if necessary.
O-RINGS
•
Inspect for damage such as cracks and deformations.
•
Replace if necessary.
THRUST WASHERS - BRASS
•
Inspect for damage such as cracks and deformations.
•
Replace if necessary.
