Warner Electric Autogap 825-1525 Special Heavy Duty - Manual (Page 3)

3 Warner Electric • 800-825-9050 819-0312
1. Chordal dimensions “A” or “C” must be held
for all chords between pin holes.
2. Drill 27/64 inch diameter holes to a sufficient
depth and tap 1/2-13 UNC-3B one inch min-
imum full threads. Pin holes must be square
with plane of mounting surface and magnet
mounting.
3. Ream .500/.501 to a 3/8 inch depth and to
be concentric with tapped holes.
B
A C
D
1/2-13 UNC-3A
THDS .
5/16" 1-9/32"
2-1/4"
.6185 Dia.
+.0005
-.0010
Drive Pins Should be Retained
with Sealant
Before installing the drive pins, apply a good
grade of thread sealant such as Loctite
® , or
equivalent, to the threaded portion only.
Caution must be taken to prevent the sealant
from getting on the bearing surface of the pin.
Tighten all pins securely by inserting an Allen
wrench in the socket provided.
Machining Instructions for Gear, Sprocket, or Pulley
For Sizes 825 through 1525
Unit Size A B C D
825 3.085 ± .001 3.563 ± .001
1000 4.548 ± .002 5.252 ± .002
1225 4.155 ± .002 5.877 ± .002
1525 6.010 ± .002 8.500 ± .002