Sony SFM1 Manual

Page of 18
 
SFM1
 
 
 
Page 12 
Installation Manual  
3. 
Use the information below when mounting to the following surfaces (Figure 12): 
 
Wood Studs: Drill four (4) ¼” pilot holes to the marked wall. 
 
Concrete Wall: Drill four (4) 3/8” pilot holes to the marked wall 
16"
 
Figure 12. Mounting Surfaces 
 
Securing the Wall Plate to the Wooden Studs 
1. 
Level and secure the plate to the wall with the reference arrow facing up to ceiling. 
2. 
Secure the plate using four (4) 5/16” lag bolts and flat washers (Figure 13). 
CAUTION
Do not overtighten the lag bolts. 
NOTE:  Use a minimum diameter of 5/16” x 3” long wooden screws. 
 
Figure 13. Securing the Wall Plate 
Drill Gun 
Pilot Holes 
Level 
5/16” x 3” (4ea) and 
flat washers (4ea) 
Wall Plate