BEST ACCESS SYSTEMS 1E Series, Service Manual

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Service and Maintenance
E Series Service Manual 5–21
L
OST MOTION
C4B
CAM ROTATION
Figure 5.23 5E Series lost motion 4B cam rotation
The 4B cam is an offset cam (outward mount) for lost motion operation. The diagrams below show rotation
assemblies for the 4B cam. The arrow in each diagram indicates where the drive pin should be inserted into
the cam. When assembling the cylinder, orient the cam driver and cam in the position shown.
12
†
R
‡
90
††
† Indicates the locked cam mounting position as seen from the front of the cylinder
(for example, 12 = 12 o’clock position).
‡ Indicates the direction of cam rotation as seen from the front of the cylinder (L = left, R = right).
†† Indicates the degree of cam rotation (90 = 90°, 180 = 180°).
3 R 90 6 R 90 9 R 90
12 L 90 3 L 90 6 L 90 9 L 90
Item Part No. Qty. Description
1 C10861 1 Cylinder and plug assembly
†
† Shown with cylinder ring, washer, and nut.
2 A21150 1 Plug throw
3 A21125 1 Cam
4 A21099 1 Drive pin
5 A21151 1 Cam driver
6 A14045 2 #4 lock washer
7 A04845 2 Screw
1
2
3
4
5
6
7
Cylinder and
plug assembly Cam Cam
driver
Rear view