08
Changing the Chuck Jaws...
When you receive your chuck it will be fitted with the accessory mounting jaws. (See fig A).
To refit or change to other jaws proceed as follows. Using the chuck key provided, insert it
into the pinion and wind in an anticlockwise direction until all four jaws are free and can be
slid from the chuck body; when you remove these, note that the chuck jaw lugs have
different lead distances from the nose to the first face of the lugs. (See fig B)
Mounting Jaw
A
B
C
D
Jaw A = Smallest Jaw D= Largest
A=1 B=2 C=3 D=4
Showing the Different Lead Distances of the Jaw Lugs
Fig B
Fig A
