Maintenance
Printed in U.S.A. 135 50940411/G0219
Adding Fuel
Static electricity can produce dangerous sparks
at the fuel-filling nozzle. Do not wear polyester,
or polyester-blend clothing while fueling. Before
fueling, touch the metal surface of the machine
away from the fuel fill to dissipate any built-up
static electricity. Do not re-enter the machine
but stay near the fuel filling point during
refueling to minimize the build-up of static
electricity. Do not use cell phones while fueling.
Make sure the static line is connected from the
machine to the fuel truck before fueling begins.
Ultra-Low Sulfur Diesel (ULSD) poses a greater
static ignition hazard than earlier diesel
formulations. Avoid death or serious injury from
fire or explosion; consult with your fuel or fuel
system supplier to ensure the entire fuel
delivery system is in compliance with fueling
standards for proper grounding and bonding
practices.
1. Perform the “Mandatory Safety Shutdown Pro-
cedure” on page 20.
2. Use the ignition key to unlock fuel cap (F, Fig.
140) and remove the fuel cap from the fuel filler
neck.
3. Inspect the wire-mesh fuel strainer located in the
filler neck opening and remove any accumulated
residue. Replace the strainer if damaged.
4. Fill the fuel tank by adding fuel through the fuel
filler neck opening.
IMPORTANT:
See “Fluids/Lubricants Types and
Capacities” on page 35 and the engine operation
manual for proper fuels. Use of improper fuels can
cause engine damage.
5. When the fuel tank is full, replace and lock fuel
cap (F) in the fuel filler neck opening.
IMPORTANT: To provide for proper fuel system
venting, do not top off the fuel tank.
Water Separator Inspection/Maintenance
NEVER service the fuel system while smoking,
while near an open flame, or after the engine
has been operated and is hot.
IMPORTANT: Water in the fuel system can cause
severe engine damage. Drain water from the fuel fil-
ter/water separator anytime water is present.
Inspect the water separator daily, or every day
before use.
Model RT250: The engine error code “97-12” is
displayed on the multi-purpose screen if water is
present in the water separator. See “Engine Error
Code Screen” on page 51 and “(Model RT250) Fuel
prefilter sensor error” on page 174.
NOTE:
Later models RT175/RT210 also display
an error code if water is present in the water
separator.
Models RT175/RT210: The water separator
contains an indicator ring (M, Fig. 141) that floats
on top of accumulated water. Under normal
conditions, the ring sits at the bottom of the
separator cup. If the ring is somewhere between the
top and bottom the cup, water must be drained.
1. Perform the “Mandatory Safety Shutdown Pro-
cedure” on page 20.
2. Wait until the engine has cooled. See
“Maintenance and Service Safety Practices” on
page 25.
Fig. 140 – Fuel Filler Cap
F
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