Genie GCL-J&H 1/2HP Installation Manual

The Operator can be assembled for right or left handmounting above or below the door shaft and is available with orwithout hoist.If you will be using the Tension Plate Kit shown on page 4.6, slide thebearing plates on the operator output shaft. Assembly of the kit will bedone after the drive chain is installed.1) Install #50 sprocket on operator output shaft.2) Align keyways and insert key into sprocket. Do not tighten setscrews at this time.4) Align keyways and insert key into sprocket. Do not tighten setscrews at this time.3) Install #50 sprocket on door shaft.INSTALLATION TIP:While sprocket set screws are loose, if possible, manually operatedoor to help align chain. A properly tensioned drive chain should deflectno more than 1/2” when thumb pressure is applied mid-way between the2 sprockets. While there is no hard and fast rule governing chain tension,it must be tight enough to prevent clicking, popping and jumping theteeth of the sprocket. The 1/2” guideline will insure sufficient tension.Figure 54.4www.geniecompany.com 01-14Chain Couple Installation Figure 5.Sectional DoorsLOCK DOWN HOLESLOCK DOWNHOLESOPERATORMOUNTINGBRACKETS5) Assemble #50 chain using master link.6) Align the door sprocket and operator output sprocket andwrap #50 roller chain around both. Lock sprockets in placeby tightening their set screws.7) Raise or lower operator to remove slack from the chain.Ensure operator output shaft is parallel with door shaft.8) Secure Operator to the wall using lock down holes. Lock downholes must be used to ensure proper chain tension.NOTE: Operator must besecurely fastened to the wallusing lock down holes toensure proper chain tension.If using slotted mountingholes to mount the unit, youmust use at least (2) lockdown holes in oppositecorners to firmly mountthe unit to the wall.NOTE: Door shaftand operator outputshaft must be parallel12”-15”CENTERDISTANCEOPERATOROUTPUT SHAFTDOORSHAFTNOTE: On Jackshafts units, release cable must be installed on operatorbefore unit is installed.