Auto Meter 8592 - Manual (Page 2)

Copper Coil Installation
When connecting to the exhaust manifold, it is necessary to prevent the extremely
hot gases from entering either the 1/8" nylon tubing (mechanical versions) or the
pressure transducer (FSE versions). To adequately cool these gasses, a 6 foot
length of coiled 1/4" copper tubing and the necessary fittings are provided. This
tubing is to be connected to the exhaust manifold collector.
Use the stainless steel 1/4" tube to 1/8" NPT fitting to make the connection at the
manifold. Drill into the cast iron manifold with a 5/16" letter R (0.339) drill bit and
follow through with a 1/8" NPT pipe tap. Mount the stainless steel to the exhaust
manifold (see fig. 1).
Carefully form the copper tubing (be careful not to kink the tubing) and connect one
end in the stainless steel fitting. The tubing should be formed to a shape that allows the
other end to be near a point to which it can be secured mechanically (i.e. with a strap,
bracket, etc.).
A. Mechanical Version:
Once the copper tubing has bee mounted, connect the 1/8" nylon tubing to
the copper tubing using the 1/4" tube to 1/4" NPTF fitting, the 1/4" to 1/8"
reducer, and the 1/8" fitting (see fig. #1). To prevent vibrations, secure the
copper/nylon tubing to something solid with strapping.
B. FSE Version:
Once the copper tubing has bee mounted, connect the Pressure Sender
to the copper tubing 1/4" tube to 1/4" NPTF fitting and the 1/4" to 1/8" reducer
(see fig. #2). To prevent vibrations, secure the pressure sender to something
solid with strapping, or fabricate a bracket as a mount
Drill & Tap into Manifold (D)
Drill 5 ⁄
16 ” letter R (.339)
Hole and tap for 1 ⁄
8 ” NPT
in cast exhaust manifold
collector or other engine
builder specified location.
Copper Coil Fitting #1 Copper Coil Fitting #2
Figure 1
The pressure in the exhaust system is constantly varying in normal operating conditions. While there is not a “flow” of exhaust gases through the
copper tubing, the compression and expansion of the exhaust gases within the tubing will cause some migration of diesel exhaust particulates (soot) into
the tubing. Over time these particles may build up to a point that will interfere with proper operation of the gauge (both Mechanical and FSE versions).
For this reason, periodic maintenance of the copper tube is required. It is recommended the copper tube be monitored for build up. To check for build
of soot, loosen and remove the 1/4" tubing at the gauge end of the coil. If there is noticeable build, use an air hose to blow air through the coil back into
the exhaust manifold. Re-connect the copper tubing.
The frequency and need for the copper tube maintenance will vary. Factors affecting the build up are miles driven, type of driving, etc. If the engine is
considered a “smoker”, close monitoring and more frequent maintenance will be required.
Diesel Exhaust Considerations and Installation Maintenance
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3285 Green LED Replacement Kit
3286 Blue LED Replacement Kit
3287 Amber LED Replacement Kit
3288 White LED Replacement Kit
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12 MONTH LIMITED WARRANTY
Auto Meter Products, Inc. warrants to the consumer that all Auto Meter High Performance products will be free from defects in material and workmanship for a period of twelve (12) months from date of the original
purchase. Products that fail within this 12 month warranty period will be repaired or replaced at Auto Meter’s option to the consumer, when it is determined by Auto Meter Products, Inc. that the product failed due
to defects in material or workmanship. This warranty is limited to the repair or replacement of parts in the Auto Meter instruments. In no event shall this warranty exceed the original purchase price of the Auto
Meter instruments nor shall Auto Meter Products, Inc. be responsible for special, incidental or consequential damages or costs incurred due to the failure of this product. Warranty claims to Auto Meter must be
transportation prepaid and accompanied with dated proof of purchase. This warranty applies only to the original purchaser of product and is non-transferable. All implied warranties shall be limited in duration to
the said 12 month warranty period. Breaking the instrument seal, improper use or installation, accident, water damage, abuse, unauthorized repairs or alterations voids this warranty. Auto Meter Products, Inc.
disclaims any liability for consequential damages due to breach of any written or implied warranty on all products manufactured by Auto Meter.
SERVICE
For service send your product to Auto Meter in a well packed shipping carton. Please include a note explaining what the problem is along with your phone number. If you are sending product back for Warranty
adjustment, you must include a copy (or original) of your sales receipt from the place of purchase.
FOR SERVICE SEND TO: AUTO METER PRODUCTS, INC. 413 W. Elm St., Sycamore, IL 60178 USA (866) 248-6356
Email us at [email protected]
http://www.autometer.com
2650-1700-00 2/19/13
© 2013 Auto Meter Products, Inc.
The Super Bezel is a registered trademark of Auto Meter Products, Inc.
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