Hired-Hand RS-400 Door - Manual (Page 16)

Part No. 4801-5170 Rev 5/08 RS 400 Door Page 16 of 26
inside link nearest to the desired length. Connect the chain around the sprockets using the chain
link. Refer to the following Figure, Chain Link.
4.
Slide the operator to tighten the drive chain and then firmly tighten the mounting bolts. Check the
tension on the chain and the set screws on the sprockets (there should be no more than 1/4" slack
when chain is depressed between sprockets.
5. Opera-MH: Run hand chain through the pocket wheel and through the chain guide outside the
frame (Refer to the following Figure, Installing Hand Chain On Manaras Operator), allow both
ends to hang down toward the ground and cut hand chain, if necessary, so that both ends are
approximately 2 feet (0.6 m) from floor. Connect both ends of hand chain.
CAUTION!
BEFORE PULLING HAND CHAIN THROUGH POCKET WHEEL OR LIFTING THE DOOR
DIRECTLY BY HAND, PULL CAM PLATE AND SPIN CAM NUTS TO CENTER OF LIMIT SHAFT
SO AS TO BE SURE THE CAMS ARE NOT BEING MECHANICALLY DRIVEN THROUGH
THEIR NORMAL LIMIT SWITCH END POSITIONS.
Chain Link
Installing Hand Chain on Manaras Operator