ASSEMBLY STEP 4
Attach the Chain Spreader and
MODELS 1356M AND 1346M ONLY
•Line up the holes in the chain spreader with the holes in the motor unit as shown. The slot in the chain spreader must fit over the Rail flange
(Figure 1).
•Securely fasten the chain spreader with the hardware provided.
•Remove the trolley threaded shaft from the trolley by loosening the inner nut and lock washer (Figure 2).
•Guide the chain around the selected groove in the chain spreader (to engage either the
•Continue dispensing the chain forward to the trolley (Figure 4). Reconnect the trolley to the trolley threaded shaft. Proceed to Assembly Step 3 for chain tightening instructions.
To avoid possible SERIOUS INJURY to fingers from moving garage door opener:
•ALWAYS keep hand clear of sprocket while operating opener.
•Securely attach sprocket cover BEFORE operating.
| #8x1" | |
| Hex Screw | |
USE ONLY | Washers | |
Chain | ||
THIS TYPE | ||
Spreader | ||
AND SIZE | ||
Slot | ||
SCREW | ||
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Rail
Flange
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| Figure 1 | ||||||
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| Outer | Inner Nut | Trolley |
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| Nut | and Washer | Threaded Shaft |
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| Chain | ||||||||||||||
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| Spreader | |||||
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| Rail |
| Trolley |
Figure 2 | Chain |
| Spreader |
Figure 3
Chain
Spreader
Figure 4
10
Motor Unit
Mounting Plate
Motor Unit
Mounting Plate
Install Chain
In This Direction
Sprocket