Haas Door 610, Operation & Maintenance Manual

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Haas Door Commercial Instruction Manual
6 © 2015 Haas Door Company Rev. 7/15
WARNING:
Installing torsion springs can be a dangerous procedure and should only be performed by qualified door service personnel.
Do not attempt installation without proper tools and until reading and understanding the following instructions.
STEP 12 COUNTERBALANCE INSTALLATION
Determine what type of spring assembly you have as shown in figures 12, 13, 14 or 15.
STEP 13
Place the center support bracket and the bearing on the axles as shown in Figure 16 (bearing sits inside spring fitting). Bolt
spring fitting(s) to center support bracket (see Figure 16 or 17) using 3/8” dia. x 1 1/2” hex head bolts. Slide a cable drum
on both ends of shaft. Be sure correct hand drum is used (see Figures 12 thru 15). Slide bearing on each shaft end if not
already bolted to track.