TM 5-3895-379-23-1
0027
MALFUNCTION
Fuel Level Sending Unit Faulty.
CORRECTIVE ACTION
WARNING
DO NOT perform fuel system checks, inspections or maintenance while
smoking or near fire, flames or sparks. Fuel may ignite, causing injury or death,
or damage to machine.
Operating personnel must wear fuel-resistant gloves when handling fuels. If
exposed to fuel, properly wash exposed skin and change fuel-soaked clothing.
Fuel and oil are very slippery. Immediately wipe up any spills. Failure to follow
this warning may cause injury.
1.
Remove fuel level sending unit (WP 0183).
2.
Cap hole in fuel tank with clean rags.
3.
Dry fuel from fuel level sending unit.
4.
Check float for damage such as nicks, cuts, and gouges.
5.
Set multimeter to measure ohms.
6.
Touch positive (+) probe of multimeter to input terminal.
7.
Touch negative (-) probe of multimeter to ground terminal.
8.
Move float up and down while observing multimeter. Float should move freely. Ohms should vary
as float moves.
a.
If float is damaged or does not move freely, replace fuel level sending unit with new parts
b.
If ohms does not change as float is moved up and down, replace fuel level sending unit
c.
If fuel level sending unit operates correctly, install fuel level sending unit (WP 0183) and go
to next malfunction.
0027-3
03/15/2011Rel(1.8)root(tswp)wpno(T00033)
