B U L L E T I N
G L V - 4 0 S 1 # 1 1 9 6 G E A R L E S S T R A C T I O N M A C H I N E
Page 5-5
Rev. A - 04/01/2022
When the air gap of brake is more than 0.02
2” (0.55 mm), please do as follows:
1. Loosen the 4 installing bolts clockwise with 16mm wrench until the guide screw can
rotate. See Figure 9.
2. Rotate 4 guide screws counterclockwise with the 21mm wrench and test the air gap of
brake while adjusting until the air gap of brake is between 0.012” (0.30 mm) to 0.022”
(0.55 mm). Figure 10.
MOUNTING
BOLTS
21mm
WRENCH
Figure 9
21#
WRENCH
FEELER
GAUGE
Figure 10
16mm
WRENCH
