c. As temperature rises, switch will close and
ohmmeter will indicate continuity. Refer to
chart below for specifications.
!
WARNING
Useonlyclean,drysandsuchasusedforgeneral
sandblasting purposes. Use of sand containing
contaminants could result in hazards such as
fire, short circuiting, hot-spots, or other hazards.
48952
Switch
Opens
Closes
150-170° F (60-77° C)
3.
Follow these instructions:
190-200° F (88-93° C)
a. With an ohmmeter connected as outlined and
using suitable container, thermometer and
heat source, suspend sender with tip in sand.
87-86080
Switch
Opens
Closes
175-195° F (60-77° C)
215-225° F (88-93° C)
b. Heat sand and observe temperature on ther-
mometer.
a
b
e
b
d
a
c
72767
72766
Switch Identification
a - Suitable Container
b - Thermometer
c - Heat Source
a - 48952 Switch With Red Mylar Sleeve
b - 87-86080 Switch With Black Mylar Sleeve
d - Water Temperature Switch
e - Ohmmeter Leads
4.
5.
Turn heat source off. Allow sand to cool. Note
thermometer reading to ensure switch “opens”
up at specified temperature.
Replace switch if switch fails to either open or
close within the specified temperatures.
Index
4D-14 - INSTRUMENTATION
90-823224--2 796
Product Specification
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
Model Year | 1993, 1994, 1995, 1996, 1997 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you