Specifications

Southwestern Industries, Inc.
ProtoTRAK SMX K2, K3, K4 & Retrofit Safety, Installation, Maintenance, Service & Parts List Manual
106
5.1.18 Brake Shoe Replacement
1. Remove the motor, drive belt and complete Steps 1-5 of the timing belt replacement
procedure.
2. Remove the two M6 cap screws from the bottom of the belt housing base.
3. Separate the belt housing base from the lower or stationary vari-disc pulley. This is a
slight press fit.
4. Remove the 2 springs.
5. Replace the brake shoes.
5.1.19 Spindle Replacement
1. Remove the draw bar and its bushing.
2. Lower the quill about 1 inch and lock.
3. Remove the setscrew from the back of the spindle.
4. Loosen (unscrew) the large black ring (nosepiece) with a spanner wrench.
Note: The nosepiece has a left hand thread-- rotate counterclockwise to loosen.
5. Using a soft bar about 12 inches long, alternately tap on the top of the spindle and
loosen a few threads on the nosepiece until fully unscrewed (the nosepiece will remain
attached to the spindle).
6. Continue to tap the spindle out of the quill. The spindle bearings will come out with the spindle.
Figure 38