Boston gear ORC-S Series, Installation & Operation Instructions

14

Boston Gear • 800-825-6544

P-3003-BG

9.   Place the cover (8) over the trip plate, lining up the 

counterbores in the cover with the springs.

10.   Place the release ring (35) into the groove of the 

cover. Make sure that all of the holes line up properly.

11.   Insert a spring terminal screw (41) through the hole 

of the other spring terminal (43) and place a spacer 
collar (36) on the end of the screw. Insert the end 
of the screw into the tapped hole of the cover and 
tighten.

12.   Push down on the cover and release ring until the 

release ring engages into the grooves of the trip 
pins. Install two snap rings (33) into the grooves of 
each trip pin. Move to Step 22.

13.   Place the release ring (35) into the groove of the 

cover. Make sure that all of the holes are properly 
aligned.

14.   Insert the trip pins (32) through the matching holes 

in the release ring (35) and cover (8). Make sure that 
the tapped hole of the trip pin is inserted first.

15.   Slide the release ring (35) counterclockwise so that 

the ring engages into the grooves of the trip pins.

16.   Insert a spring terminal screw (41) through the other 

spring terminal (43) and place a spacer collar (36) 
on the end of the screw. Insert the screw into the 
tapped hole in the cover and tighten. Repeat this 
process for the other return spring .

17.   Turn the cover over so that the release ring is facing 

down against the surface of the table.

18.   Insert the thrust springs (37) into the counterbores of 

the cover.

19.   Place the trip plate (31) over the cover making sure 

that the springs will sit in the counterbores of the trip 
plate and that all the holes properly line up.

20.   Press down on the trip plate (31) until it stops 

against the trip pins.

21.   While pressing down on the trip plate (31) insert the 

plate mounting screws (42) into the tapped holes of 
the trip pins and tighten.

22.   Press the cover assembly onto the housing 

assembly (1). Make sure that the trunnion holes and 
the mounting screw holes line up.

23.   Install the cover screws (27) and tighten to the 

recommended seating torques shown in Table 10.