Controlled Products Systems Group 3020HX - Manual (Page 9)

9
MeCHanICal HOOk up (fROnT MOunT)
Position the pad as indicated in Figure #1. Failure to do so may cause erratic operation resulting in reduced
operator life.
Clamp both chain bolt brackets to the gate as in Figure 2, with the hole in each of the brackets lining up with 1.
the operator idler sprocket, vertically and horizontally. Weld in place
Important: Failure to line up brackets properly will result in premature idler and guide wear and may cause the
chain to jump off the sprocket.
Connect the longer chain bolt to the chain and the rear chain bolt bracket, with room for adjustment. 2.
Route the chain through the operator so that the drive sprocket has maximum tooth contact. See Figure #2 3.
Fasten the shorter chain to the front chain bolt and tighten the nuts so that the end of the chain bolt is away 4.
from the chain flush with the nut.
Hold the gate and extend the chain to the front of the chain bolt.
5.
Cut the chain to the proper length and fasten to the front of chain bolt with the master link supplied. 6.
Adjust the chain by tightening the rear chain bolt until slack is about two or three inches for every ten feet of 7.
chain.
Tighten the rear chain bolt nuts.
8.
Note:
Excessive tightening of the chain will reduce bearing life.
Note: Hand of operator is the same for rear mount if driving the gate off the bottom of the drive sprocket/
This is, however reverse if the driving the gate off the top of the drive sprocket.
OpeRaTOR MOunTInG
Locate the operator on the concrete pad per figure #4 and fasten to the pad using 3/8˝ x 1-7/8˝ or longer concrete
anchors.
Operator
DR 3020 / DR 3020HX / DRT3520
Figure 7 (Rear Mount)