Jims USA Twin Cam Racekit Box 1 1208-1351 ユーザーズマニュアル
555 Dawson Drive, Camarillo, CA 93012 Phone 805-482-6913 • Fax 805-482-7422
3
Rev F
6/08
No.1208-1351
A Division of Thiessen Products, INC
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loaded parts separated by an oil film only a millionth of an inch thick. If a particle of dirt larger than the
oil film gets between those parts, they will be damaged. A particle of sandpaper, in the wrong place, may
start a chain of events that can either shorten the wear-life of your new engine or cause it to fail complete-
ly. This is not an exaggeration. The greatest single threat to engine life is hard-particle contamination —
“dirt”.
Modern engines can last a very long time. This is partly due to superior materials, more accurate machin-
ing and better lubricants. Still, the most important single factor is cleanliness. Truck engines routinely trav-
el 600,000 miles and many reach a million before they are worn out. There are many EVO and TWIN CAM
oil film gets between those parts, they will be damaged. A particle of sandpaper, in the wrong place, may
start a chain of events that can either shorten the wear-life of your new engine or cause it to fail complete-
ly. This is not an exaggeration. The greatest single threat to engine life is hard-particle contamination —
“dirt”.
Modern engines can last a very long time. This is partly due to superior materials, more accurate machin-
ing and better lubricants. Still, the most important single factor is cleanliness. Truck engines routinely trav-
el 600,000 miles and many reach a million before they are worn out. There are many EVO and TWIN CAM
®
Harley
®
motors having approached or exceeded 200,000 miles of service. None of this could happen if
these engines were dirty inside.
Wash and Cover Everything:
Wash your tools. It is not enough to drag a rag through a box-end wrench; wash it
inside as well. Soap, water and scrub brushes are not too extreme. When in doubt -
clean it. Don’t forget your hands. Pictured at right is our “cleanliness block”. This
block is designed as a reminder to take special care not to introduce dirt or other con-
tamination into your JIMS
inside as well. Soap, water and scrub brushes are not too extreme. When in doubt -
clean it. Don’t forget your hands. Pictured at right is our “cleanliness block”. This
block is designed as a reminder to take special care not to introduce dirt or other con-
tamination into your JIMS
®
120” or 131” Race Kit. You will find this block located next
to the most dirt sensitive assembly instructions. Wash or cover every surface the
engine parts may contact. Consider using thin plastic ‘drop cloth’ material to cover
the rest of the bench and surrounding area - especially things like bench grinders. In fact do not assemble
your JIMS
engine parts may contact. Consider using thin plastic ‘drop cloth’ material to cover
the rest of the bench and surrounding area - especially things like bench grinders. In fact do not assemble
your JIMS
®
120” or 131” Race Kit in the same room any grinding is performed. Close the door. Turn the
fan off if you can stand to. Do not use air pressure to clean anything. Cleaning with air is like blowing
leaves; it just moves the stuff around. One of the places an air nozzle moves dirt is into your engine. Do
not use it.
leaves; it just moves the stuff around. One of the places an air nozzle moves dirt is into your engine. Do
not use it.
Follow all manufacturer’s instructions and heed all warnings specific to each chemical used.
The Boxes:
The exterior of the three boxes are going to be contaminated. Keep them away from your work area. Carry
the individual sealed packages to your bench before opening them. Do not unseal the packages until you
are ready to install or use their contents. Cover with clean plastic or return all parts to their original pack-
aging when you are not working with them.
the individual sealed packages to your bench before opening them. Do not unseal the packages until you
are ready to install or use their contents. Cover with clean plastic or return all parts to their original pack-
aging when you are not working with them.
!