Manual 1807 Rev B p/n 001807 0000
1
CONGRATULATIONS on the purchase of a new
KINNEY® KC™ Two-stage, Rotary Piston Vacuum
Pump from Tuthill Vacuum & Blower Systems.
Please examine the pump for shipping damage,
and if any damage is found, report it immediately to
the carrier. If the blower is to be installed at a later
date, make sure it is stored in a clean, dry location
and rotated regularly. Make sure covers are kept
on all openings. If blower is stored outdoors, be
sure to protect it from weather and corrosion.
KINNEY KC vacuum pumps are built to exacting
standards and, if properly installed and maintained,
will provide many years of reliable service. Read
and follow every step of these instructions when
installing and maintaining the blower.
WARNING
!
Serious injury can result from operating or
repairing this machine without rst reading the
service manual and taking adequate safety
precautions.
OTE: N Record the pump model and serial
numbers in the OPERATING DATA form
on the inside back cover of this manual.
Use this identication on any replacement
part orders, or if service or application
assistance is required.
DESCRIPTION
The KC series of compound high vacuum pumps
covered by this manual consists of two basic pump
groups models:
• KC-5 and KC-8
• KC-15
The pumps within each of the rst two groups are
identical except for the motor and V-belt drive,
which differ in order to produce different rotational
speeds. Specically, models KC-5 and KC-8 are
the same except that the KC-8 is driven faster.
Each Kinney KC pump is an air-cooled rotary
piston high vacuum pump consisting of two rotary
piston pumping stages, which operate in series.
These pumps attain low ultimate pressures of less
than 2 x 10
-4
Torr (McLeod gauge). The rugged,
simple design ensures dependable service under
the most severe applications without costly
or complicated maintenance. All components
are easily serviced, and no special tools are
required. Reliable, leak-free shaft seals require no
adjustments or maintenance.
Each pump is equipped with a gas ballast valve,
which regulates the vapor handling capacity of the
pump. Gas ballast helps increase the operation
period between oil changes by preventing oil
contamination by most condensable vapors. It can
also be used to clean the oil once it has become
contaminated. Use of gas ballast also reduces
pump operating noise.
A combination oil separator and oil mist eliminator
is used in place of a conventionally designed oil
INTRODUCTION
01
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