ATA 3DGDO 2v4 00162 A2

TRACK ASSEMBLY

STEP 1
Slide trolley assembly onto index tube (one piece only) and insert screwdriver or clevis pin to hold it on tube and slide it into support tube assembly. Arrow on trolley must point towards Garage Door. To assemble the rest of thtstubes, always slide short insert tube half way into the long tube, then slide other tube into remaining insert tubes. Continue this process with remaining tube until desired length is achieved.

STEP 2
Operator is supplied with 9 teeth Drive Sprocket on Drive Unit If the Operator is to be fitted to a J Type Tilt fitting Door, exchange 9 teeth Sprocket on Drive Unit, with a 7 teeth drive sprocket available as an option from ATA.

IMPORTANT: If using Track Door (often required to as Panel Lift Door or Track Tilt Door) use only 9 teeth Drive Sprocket on Dive Unit. If using J type door use only 7 teeth sprocket on Drive Unit.

STEP 3
Attach one end of chain (supplied) to trolley chain index screw, nearer to drive unit, using one joint link. (Fig. 3) Proceed to lvrap chain around Drive Unit Sprocket/Idler Wheel and Idler Wheel on pipe Assembly.

NOTE: Make certain that teeth of drive unit Sprocket is engaged in the chain and that the chain is not twisted. Make sure that the chain is engaged in the plastic chain idle wheel on the support pipe assembly.

STEP 4
Remove locating screwdriver from trolley. Disengage trolley from chain index by swinging lever downwards (Fig. 4), then slide trolley away from chain index along pipe track. Loosen locking nuts on chain index screws. To tighten chain, turn chain index in anti-clockwise direction, looking from supporl pipe assembly to drive unit. Do not overtighten chain as it has to sag 6- 12mm. Checking before locking screw with locking nuts that chain is not twisted. When tension is finalised tighten lock nut at both ends of chain.