AMETEK 1980 Rotating Cam Limit Switch - Manual (Page 11)

11
Replacement Cam Assemblies
Standard Cam Assembly
Part No. SD-1178-C
(includes two cams -
Part Nos. P-356-B and P-357-B)
Blank Cam Assembly
Part No. SD-1140-C
(includes two blank cams -
Part No. P-271-B)
Special Cams
A Blank Cam Assembly (Part No. SD-1140-C) can
be supplied in place of the Standard Cam Assembly,
(Part No. SD-1178-C) at no additional charge, when
specified. Advise number required and location.
A drawing of the Cam shape must be given
with the order. Generally, two cams are required
per circuit. When ordering special cut cams, the
customer will supply a detail of the cam profile and
the electrical timing chart showing the contact
setting as required.
Special Conduit Openings
Specify conduit size and location.
Description
The DRIVE-CHEK is a multi-purpose sub base that
is mounted under a chain or belt driven mechanism.
The unit serves three purposes; a broken chain or
belt detector, a chain or belt tightener, and a shock
and vibration isolator.
A GEMCO Indicator Switch is provided with each
DRIVE-CHEK Unit to indicate when a drive belt or
chain failure has occurred. Shock and vibration from
the machine to the hinge plate of the DRIVE-CHEK
Unit are dampened by coil springs on one end of the
hinge plate and an elastomeric support on the other
end.
The springs also maintain a constant tension in
the drive belt or chain. DRIVE-CHEK is of rugged
welded construction and is painted to prevent
corrosion. The drive chain or belt can be attached to
the mechanism being driven from either above or
below the DRIVE-CHEK base.
The DRIVE-CHEK base can be purchased as
a separate item for field mounting or factory
assembled to the 1980 camswitch. If factory
installation is desired, order as separate item and
specify as being assembled in the description.
A GEMCO single-pole double-throw switch with
mounting plate is supplied with each DRIVE-CHEK
Unit and can be easily mounted inside the GEMCO
Rotating Cam Limit Switch enclosure. A GEMCO
double-pole double-throw switch can also be
supplied.
1080 N. Crooks Road • Clawson, MI 48017-1097 USA • 800.635.0289 • 248.435.0700 • Fax: 248.435.8120 • www.AMETEKAPT.com