Mercury MerCruiser MCM 454 Mag MPI Service Manual page 402

SERVICE MANUAL NUMBER 23
4. With float arm in FULL position (arm horizontal), ohmmeter should read 30 ohms
5. With float arm in EMPTY position (arm vertical) meter should read 240 ohms (+ 5 ohms).
CAPSULE TYPE
Testing
1. Disconnect wire from terminal on fuel tank capsule.
2. Remove two screws and remove capsule assembly.
3. Place a magnet under fuel capsule.
Index
90-861326--1 MARCH 1999
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(+ 5 ohms).
a - Ohmmeter Leads
b - Vertical Float Arm
Sender is defective if not within specifications.
a - Ohmmeter Leads
b - Vertical Float Arm
INSTRUMENTATION
a
b
a
b
72755
72756
Page 4D-13