STE 80747 
– 36 – 
DUST-PROOF & DRIP-PROOF TYPE SPECIFICATIONS MANUAL 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fig. 5.2  Lower bellow 
 
 
 
!
 
CAUTION
 
•  DO NOT pull the bellow by force when removing it. If it is not be done 
completely, the bellows may be broken. 
•  Be sure to apply Loctite adhesive to the attachment bolts. If you neglect the 
instruction, the dust-proof and drip-proof performance will be impaired 
resulting in ingress of water and dust. 
•  Be careful not to forget to attach gaskets. If it is not be done, the dust-proof 
and drip-proof performance will be impaired resulting in ingress of water and 
dust. 
 
Tool flange  
Gasket (attached to 
inside of bellow)
 
Retainer (upper) 
Gasket 
Bellow 
Retainer (lower) 
Apply liquid gasket to 
the portion (indicated 
by arrow) before 
attaching the bellow.
Apply liquid gasket to the 
portion (indicated by arrow) 
before reattaching the gasket.
3)  Replace the bellow with a new one in 
the reverse order of the removal 
procedures.  Be careful not to forget to 
attach a gasket.  Apply Loctite 
adhesive to all attachment bolts.