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4.2 INSTALLATION OF MGT OPERATOR
IMPORTANT NOTE: THIS OPERATOR MUST BE INSTALLED A MINIMUM OF 8 FT (2.4 m) ABOVE FLOOR
Before the operator is installed, ensure that door has been properly aligned and is working smoothly.
It is advisable to assemble the operator to the trolley tracks on the floor prior to installation.
1. Bolt the tracks to the operator using bolts provided (Figure 3).
Fi
ure 3 Assembling operator and tracks
2. Place carriage on rails and slide to forward position, making sure that the chain take-up bolt is facing the
operator (Figure 4).
Fi
ure 4 Inserting carriage in tracks
3. Attach front idler and rail spreaders as shown in Figure 5.
Fi
ure 5 Front idler and spreaders
4. Attach one end of the chain to the to the carriage using a chain link (Figure 6). Run chain around front idler and
continue around drive sprocket on operator. Then fix second end of the chain using an another chain link to the
take-up bolt and fix the take-up bolt to thee carriage. Chain could then be tightened by adjusting the take-up bolts
in carriage. Properly adjusted chain should sag approximately 2” (5 cm) at halfway point on tracks
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