Mueller Roll-Up Door C250 - Manual (Page 15)

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STEP 18: REMOVE STRIPABLE FILM
If the door has (on the outside of door) Stripable Film remove now.
STEP 20: DOOR MAINTENANCE
C Springs may need to be periodically adjusted through the life of the
door in accordance with steps 16 A thru F. Maintain instructions
for the life of the door.
D Check all bolts and nuts, to ensure they are tight as needed.
STEP 19: GUIDE PLUG INSTALLATION
A Insert the guide plug into the holes located on the
guide as shown. The plugs must be inserted from
the inside of the guide.
B NOTE: Make sure the larger end of the plug faces
the inside of the guide. If installed from the outside,
the curtain will hang on the guide plugs.