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4.10
Section 4: Installation - Trolley
Drawbar Assembly
CHAIN GUIDE BRACKET
TRACK BOLTS
/LOCKNUTS
PLASTIC CHAIN GUIDE
Figure 3
NOTE:
Space chain guides evenly between operator and header. Add
a chain guide for every 4 feet of door height per chart.
2) Attach the chain guide assemblies to the drawbar tracks using
1/4-20 track bolts and locknuts (provided). Fig. 3.
CAUTION
Verify that bolts are properly seated in track. Failure to seat bolts
can cause carriage to bind in door track.
!
UNDER 12’
12’ TO 16’
16’ TO 20’
20’ TO 24’
2
3
4
5
NOTE:
Chain Guide mounting holes have been pre-drilled at standard
locations along the track. If different locations are needed, hole size
should be 9/32” dia. Be sure to de-burr the holes.
ATTENTION
Vérifiez que les boulons sont bien en place dans la piste. Si les
boulons sont mal logés, le chariot peut se coincer dans la piste de
la porte.
!