Genie GCL-MJ Manual page 10

Section 2: Rolling Steel Operator Installation
Rolling Steel/Grill Doors. FIG. 1
Front of Hood:
The rolling steel door operator is configured at the factory for right-hand or left-hand (Hoist & Jackshaft)
Front of Hood.
1. Mounting hardware and instruction will be supplied based on door specifications. (Typical mounting
arrangements shown.)
2. Attach rolling steel mounting bracket (A) to the operator using the fasteners provided.
3. Attach Operator and support bracket assembly to the door plate (B) using the fasteners provided.
Chain Installation:
4. Install 12 tooth sprocket (C) on operator output shaft.
5. Align keyways and insert key into sprocket and output shaft keyway. Do not tighten set screw at this
time.
6. Install door sprocket (D) on door shaft. Align keyways and insert key into sprocket and door shaft
keyway. Do not tighten set screws at this time
7. Assemble chain (E) using chain master link.
8. Place assembled chain over door shaft sprocket and around the 12 tooth sprocket.
9. Using the slots in the mounting bracket (A), adjust the operator to remove slack from the chain. Be
certain operator output shaft is parallel with the door shaft.
10. Tighten operator mounting bracket nuts.
11. Tighten sprocket set screws.
Finish Installation:
See Sec- 2.4 for Chain Hoist Installation
See Sec- 2.5 for Clutch Adjustment and Release Cord Installation.
E
C
D
Sec-2.3
A
FIG. 1
B