Lincoln Electric PIPELINER 200 - Manual (Page 101)

TROUBLESHOOTING & REPAIR F-31 F-31
PIPELINER® 200
OIL PRESSURE - TEMPERATURE SWITCH TEST (CONTINUED)
PROCEDURE
1. With the engine not running, and at room
temperature, locate the Temperature
Switch/Sender.
2. Remove the two leads from the switch.
3. Using the ohmmeter check the resistance from
terminal WK to case ground. This is a normal-
ly open switch and should read a very high
resistance.
4. This switch should close at approximately
230F. This over temperature condition would
shut off the engine.
5. Using the ohmmeter check the resistance from
terminal G to case ground. At room tempera-
ture this resistance should be approximately
520 ohms.
6. With engine running the resistance from termi-
nal G to case ground should be as follows.
• 140F equals approximately 134 ohms
• 194F equals approximately 51 ohms
• 212F equals approximately 39 ohms
7. Replace the two leads previously removed.
Temperature Switch/Sender Resistance Test. S25162 (Kubota and Perkins Only)
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