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Overhead door 301 - Component Identification Overview; Key Door Components Identification; Door Section and Spring System Components

Overhead door 301
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2
PARTS BREAKDOWN
A. FLAG ANGLES (AS REQUIRED):
A1. Fully Adjustable (F.A.) Flag Angles
B. JAMB BRACKETS (AS REQUIRED):
B1. Fully Adjustable (F.A.) Jamb Brackets
C. TRACK ROLLERS:
C1. Short Stem Track Rollers
C2. Long Stem Track Rollers
D. GRADUATED END HINGES:
D1. Single Graduated End Hinges (S.E.H.), Anti-Pinch
D2. Single Graduated End Hinges (S.E.H.), Industry Standard
E. STACKED SECTIONS:
E1. Top Section
E2. Intermediate(s) Section
E3. Lock Section
E4. Bottom Section
F. TOP FIXTURE (AS REQUIRED):
F1. Top Fixture Bases - (L-Shaped)
F2. Top Fixture Slides - (L-Shaped)
G. STRUT(S) (AS REQUIRED):
G1. Strut (U-shaped)
H. DRAWBAR OPERATOR BRACKET (FOR TROLLEY OPERATED DOORS):
H2. Drawbar Operator Bracket
I. TRACKS:
I1. Left Hand Horizontal Track Assembly
I2. Right Hand Horizontal Track Assembly
I3. Left Hand Vertical Track
I4. Right Hand Vertical Track
J. TORSION SPRING ASSEMBLY:
J1. Center Bracket
J2. Torsion Shaft
J3. Left Hand End Bearing Bracket
J4. Right Hand End Bearing Bracket
J5. Left Hand Cable Drum
J6. Right Hand Cable Drum
J7. Right Hand and Left Hand Torsion Springs (As Required)
J8. Center Bracket Bushing
J9. Counterbalance Lift Cables
K. REAR BACK HANGS:
K1. Left Hand Rear Back Hang Assemblies
K2. Right Hand Rear Back Hang Assemblies
A2.
B1.
B1.
A1.
C1.
C2.
C1.
C1.
D1.
D2.
E4.
E1.
E2.
E3.
F1.
F2.
F1.
F2.
G1.
I4.
I2.
I1.
I3.
K2.
K1.
J4.
J8.
J3.
J9.
J7.
Lower hole
of hole/
slot pattern
3rd
hole set
Top of vertical
track
B1. (Fully
Adjustable
Feature)
2nd
hole set
1st
hole set
NOTE: The illustrations shown on this page are general
representations of the door parts. Each specific door
models may have unique variations.
J5.
J1.
J9.
J7.
J2.
J6.
H1.
Parts Breakdown

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