8
WAI,I, MOT]NTIN(l BIIACKf,T AND OPERATOR INSTALLATION i
NOTE: Trolley tlpe operators sbould generally bc nounted diectly over the center oftbe door and lhe
lrolley tracks should clear the tracks by 2-112" (6.5 cm). However, if intedering structures or other reasons
do not allow for centered mounrjng, it is possiblc to install il up to I8" ofT-center for torsion spring doors.
Locate the cenler of door by measurjng door vidth ad nark a vertical line above the door.
Deteimine rhe highest point ofdoor travel by neually openjng the door. Usiog a carpenter's lcvcl,
project a tine fiom where the top section of door reaches its hishest point. Mrk the spol here this
line (high arc) intersects witb the vertical line &awr earlier.
3. Mount a vood block or angle iron to the wall abovc the door opening as shoim below The wall
mountils bracket has 3 holes lor anchor;rg to wood block or angle iron. Bncket should be centered
vith door dd positioned so thar lhese holes are 2 I /2" (6.5 cn) above the high arc line of door. Secure
vall mounting brackel using suilable hardware.
4. Wlile allowing moro' to resl on floor. raise ftont end of lrack assembly and secure (tut not righlen) to
wall mouniing brackets with 3/8" bolts dd nuts provided.
5. Swing the operator and track assembly above the level of the door tracks and t€mpor3rily secure m
place wilh rope or chain. Caretully open door. Align operalor and rails wilh center of door. Using the
door as suppon, shim the operator so that there is 3" (7.5cm) cleannce between door a boilom of
operator. Tighren wall mounting bracket bolts.
