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February 2001
VILTER MANUFACTURING CORPORATION
SECTION 105-R
Replaces
PAGE 24
March 1975
440 VMC COMPRESSORS
MODERNIZING 1200 RPM COMPRESSORS
Pages 24 through 31 pertain to replacement parts
for high speed compressors having serial numbers
below 9999. These redesigned replacement parts
are incorporated on all high speed compressors
having serial numbers 3638 and above. The
remaining repair parts pages apply to all existing
high speed 440 VMC compressors.
If it is desired to convert an existing high speed
440 VMC compressor having a serial number
below 3638 to the latest design arrangement, kits
listed below are offered, depending upon the
particular compressor involved. It is
recommended, though not mandatory, that the old
parts be replaced by these kits containing the
latest design parts when making a major parts
replacement or general overhaul of the
compressor.
It is also recommended that all cylinders be
converted at one time to avoid unnecessary
complications when stocking and ordering future
replacement parts. It will not impair the
performance of the machine if a combination of
converted and unconverted cylinders exist in one
machine; however, care must be exercised
thereafter in ordering the proper replacement parts
for each cylinder.
Purchasing these conversion parts in kit form will
result in some savings, as opposed to the
purchasing of former style, high speed
replacement parts individually. Refer to the Home
Office for prices on these conversion kits. Include
all information (especially serial number) regarding
the compressor to be converted. Also include
correct part number for kit as listed below.
KITS ARE AVAILABLE AS FOLLOWS:
CYLINDERS WITHOUT UNLOADING CYLINDERS WITH UNLOADING
COMPRESSOR AMMONIA R12, R22 AMMONIA R12, R22
DESCRIPTION Part Number Part Number Part Number Part Number
Kits With Connecting Rod Assemblies
1200 RPM, High Stage with
Aluminum Plug Type Pistons
KT119 KT127 KT123 KT131
1200 RPM High Stage with
Cast Iron Plug Type Pistons
* * * *
Kits Without Connecting Rod Assembly
1200 RPM High Stage with
Aluminum Plug Type Pistons
KT073A KT075A KT074A KT076A
1200 RPM High Stage with
Cast Iron Plug Type Pistons
* * * *
* Kits with Cast Iron Pistons are no longer available. Please contact the home office.
1. Kits KT119, KT120 * (Ammonia), and Kits
KT127, KT128 * (R12, R22), for cylinders
without unloading, include the necessary
piston rings, Piston and Pin Assembly,
Piston Pin Snap Rings, Connecting Rod
Assembly, Connecting Rod Bearing
Halves, Cylinder Liner, ‘O’ Ring Seal,
Safety Head Assembly, Safety Yoke,
Suction Valve Plate, and Helical Valve
Springs required to convert one cylinder
from a plug type to a flat top piston.
2. Kits KT073A, KT073C * (Ammonia) and
Kits KT075A, KT075C * (R12, R22), for
cylinders without unloading include all the
parts listed in paragraph (1) except the
Connecting Rod Assembly and Connecting
Rod Bearing Halves.
3. Kits KT123, KT124 * (Ammonia), and Kits
KT131, KT132 * (R12, R22) for cylinders
with unloading, include all the parts listed
in paragraph (1) as well as the Lift Ring
and Spring Post Assembly, Lift Springs
and Lift Pins.
4. Kits KT074A, KT074C * (Ammonia) and
Kits KT076A, KT076C * (R12, R22) for
cylinders with unloading include all the
parts listed in paragraph (1) and (3) except
the Connecting Rod Assembly and
Connecting Rod Bearing Halves.