TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 2. Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
12. Fuel Gauge Does Not Work -
Continued.
WARNING
DO NOT perform fuel system checks, inspections or maintenance
while smoking or near fire, flames or sparks. Fuel may ignite, caus-
ing 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. Fail-
ure to follow this warning may cause injury.
2. Check fuel level sending unit 1. If float is damaged or does not
operation. Remove fuel level
move freely, replace fuel level
sending unit (WP 0096 00). Cap
sending unit with new parts (WP
hole in fuel tank with clean rags.
Dry fuel from fuel level sending
unit. Check float for damage such 2. If ohms does not change as float is
moved up and down, replace fuel
as nicks, cuts and gouges. Set
level sending unit (WP 0096 00).
multimeter to measure ohms.
Touch positive (+) probe of 3. If fuel level sending unit operates
multimeter to input terminal and
correctly, install fuel level sending
negative (-) probe of multimeter
unit (WP 0096 00). Go to Step 3.
to ground terminal. Move float up
and down while observing
multimeter. Float should move
freely. Ohms should vary as float
moves.
0006 00-86
