9-66 
 
2  Remove the bellows from the bellows base. 
 
 
9.4.11 Remove Pop-off Valve Assembly 
1.  Remove the bellows assembly as per section 9.4.10. 
2.  Unscrew the four locking screws as shown in the picture. Hold and pull up the Pop-Off 
valve cover to remove it. 
   
3.  Take out the rubber and metal Pop-Off valve.