Owner's Manual

4.2

5) Attach operator assembly to end plate as shown using hardware provided. Fig 3.

NOTE: At this time, hand tighten only, the mounting bracket nuts

where it attaches to the head plate. This allows for adjustment

in order to tension the drive chain.

Attach Operator to Door: Front of Hood.

1) Attach 12 tooth sprocket to operator output shaft.

2) Align keyways and insert key into sprocket and output

shaft

keyway. Do not tighten set screw at this time.

3) Attach door sprocket to door shaft. Do not tighten

at this time.

4) Assemble chain using chain master link.

5) Place assembled chain over door shaft sprocket and

around

the

12 tooth sprocket.

6) Adjust operator position

to remove slack from

the chain.

7) Tighten operator mounting bracket nuts.

8) Tighten sprocket set screws.

Front of Hood (continued)

24121C

(Hex nut w/lkwshr, 5/16-18)

112146.0001

(GMX Mounting Bracket)

086420.0506

(Bolt, 5/16-18 x 3/4)

086420.0510

(Bolt, 5/16-18 x 1-1/4)

24121C

(Hex nut w/lkwshr, 5/16-18)

SOCKET BUTTON HEAD CAP SCREW IS

FACTORY WELDED TO THE HEAD PLATE

080352.0714

(Hex nut, 7/16-14)

FLAT WASHER

111983.0001

Figure 3

www.geniecompany.com 08-12

Medium Duty Operator

GCL-MJ&MH