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Hersteller: Chamberlain Dateigröße: 4.64 mb Dateiname: Unterrichtssprache:

SECTIONAL DOORS ONLY • Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the inner trolley. Slide the outer trolley back (away from the door) about 5 cm as shown in Figures 1, 2 and 3. • Figure 1: – Fasten straight door arm section to outer trolley with the 5/16"x1" clevis pin. Secure the connection with a ring fastener. – Fasten curved section to the door bracket in the same way, using the 5/16"x1-1/4" clevis pin. • Figure 2: – Bring arm sections together. Find two pairs of holes that line up and join sections. Select holes as far apart as possible to increase door arm rigidity. • Figure 3, Hole alignment alternative: – If holes in curved arm are above holes in straight arm, disconnect straight arm. Cut about 15 cm from the solid end. Reconnect to trolley with cut end down as shown. – Bring arm sections together. – Find two pairs of holes that line up and join with bolts, lock washers and nuts. • Proceed to Adjustment Step 1, page 29. Trolley will re-engage automatically when opener is operated. Ring Fastener Door Bracket Clevis Pin 5/16"x1-1/4" Curved Door Arm Straight Door Arm Clevis Pin 5/16"x1" Inner Trolley Outer Trolley Figure 1 Figure 2 Lock Washers 5/16" Nuts 5/16"-18 Door Bracket Bolts 5/16"-18x7/8" Emergency Release Handle Lock Washers 5/16" Nuts 5/16"-18 Bolts 5/16"-18x7/8" Cut This End Lock Washer 5/16"Nut 5/16"-18 Ring Fastener Hex Bolt 5/16"-18x7/8" Clevis Pin 5/16"x1" (Trolley) Clevis Pin 5/16"x1-1/4" (Door Bracket) HARDWARE SHOWN ACTUAL SIZE Figure 3 27 ALL ONE-PIECE DOORS 1. Assemble the door arm: • Fasten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole overlap). • With the door closed, connect the straight door arm section to the door bracket with the 5/16"x1-1/4" clevis pin. • Secure with a ring fastener. 2. Adjustment procedures: On one-piece doors, before connecting the door arm to the trolley, the travel limits must be adjusted. Limit adjustment screws are located on the left side panel as shown on page 29. Follow adjustment procedures below. • Open door adjustment: decrease UP travel limit – Turn the UP limit adjustment screw counter-clockwise 4 turns. – Press the Door Control push bar. The trolley will travel to the fully open position. – Manually raise the door to the open position (parallel to the floor), and lift the door arm to the trolley. The arm should touch the trolley just in back of the door arm connector hole. Refer to the fully open trolley/door arm positions in the illustration. If the arm does not extend far enough, adjust the limit further. One full turn equals 5 cm of trolley travel. • Closed door adjustment: decrease DOWN travel limit – Turn the DOWN limit adjustment screw clockwise 4 complete turns. Door Nuts 5/16"-18Lock Washers 5/16" Ring Fastener Straight Arm Bolts 5/16"-18x7/8 Bracket Clevis Pin 5/16"x1-1/4" Curved Door Arm – Press the Door Control push bar. The trolley will travel to the fully closed position. – Manually close the door and lift the door arm to the trolley. The arm should touch the trolley just ahead of the door arm connector hole. Refer to the fully closed trolley/door arm positions in the illustration. If the arm is behind the connector hole, adjust the limit further. One full turn equals 5 cm of trolley travel. 3. Connect the door arm to the trolley: • Close the door and join the curved arm to the connector hole in the trolley with the remaining clevis pin. It may be necessary to lift the door slightly to make the connection. • Secure with a ring fastener. • Run the opener through a complete travel cycle. If the door has a slight “backward” slant in full open position as shown in the illustration, decrease the UP limit until the door is parallel to the floor. NOTE: When setting the up limit on the following page, the door should not have a “backward” slant when fully open as illustrated below. A slight backward slant will cause unnecessary bucking and/or jerking operation as the door is being opened or closed from the fully open position. Door Arm Door Arm Connector Hole Closed Door Outer Trolley Emergency Release Handle Inner Trolley Outer Trolley Open Door Door ArmCorrect Angle Door with Backward Slant (Incorrect) Inner Trolley 28 ADJUSTMENT STEP 1 Adjust the UP and DOWN Travel Limits Limit adjustment settings regulate the points at which the door will stop when moving up or down. To operate the opener, press the Door Control push bar. Run the opener through a complete travel cycle. • Does the door open and close completely? • Does the door stay closed and not reverse unintentionally when fully closed? If your door passes both of these tests, no limit adjustments are necessary unless the reversing test fails (Adjustment Step 3). Adjustment procedures are outlined below. Read the procedures carefully before proceeding to Adjustment Step 2. Use a screwdriver to make limit adjustments. Run the opener through a complete travel cycl...

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