10 SECTION 1: INSTALLATION
EPI800 Manual.doc EPI 800 MANUAL 2001 Vision Microsystems Inc.
1.11 EXHAUST GAS TEMP PROBE INST.
Drill an adequate access hole, for the probe tip, in the exhaust pipe, at a
location 3.5 to 4 inches (if possible) down from the exhaust pipe flange,
such that the lead wires will exit the probe smoothly without creating
sharp bends, while remaining away from exhaust stacks and other heat
sources. Angle the probe assembly inward and toward the back of the
engine allowing the leads to be secured as they travel back along the
side of the engine oil sump.
Install the probe by opening the clamp ring and placing the probe into
the exhaust pipe drilled hole. Close and tighten the clamp ring using a
screwdriver. Do not over tighten clamp or clamp failure may eventually
occur. Make sure the clamp is not crooked on the exhaust pipe or it will
loosen up due to vibration.
Secure the wires along their paths to the DPU, to prevent vibration and
abrasion with enough slack to allow for engine vibration, etc. Route
wires away from exhaust stacks and other high heat sources. Do not
route the leads creating stress where they exit the probe. A gradual
radius away from the probe is best.
After installation is completed, connect the probe utilizing the yellow and
red color-coded thermocouple extension wire and terminals as shown in
‘APPENDIX C: DPU P2 Connector Harness Fabrication’.
IMPORTANT NOTES:
Probe shorter lead is YELLOW, and the longer is RED.
Extension wire may be cut to desired length.
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