MAINTENANCE 4
en-21
4.6
AIR FILTER _______________________________________________________________
Do not remove the element for inspection or
cleaning.
Unnecessary removal of the filter increases the
risk of injecting dust and other impurities into the engine.
Air cleaner servicing is required when air cleaner service
light
(F)
comes on during normal operation. Empty dust cup
daily.
When service is required, first clean the outside of the filter
housing, then remove the old element as gently as possible
and discard.
1.
Carefully clean the inside of the filter housing without
allowing dust into the air intake.
2.
Inspect the new element. Do not use a damaged
element and never use an incorrect element.
3.
Assemble the new element and make sure it seats
properly.
4.
Reassemble cap making sure it seals completely
around the filter housing. Dust evacuator must be
facing down.
5.
Check all hoses and air ducts. Tighten hose clamps.
Figure 4D
4.7
FUEL ____________________________________________________________________
Handle fuel with care - it is highly flammable.
Use an
approved container, the spout must fit inside the fuel filler
neck. Avoid using cans and funnels to transfer fuel.
• Fill the fuel tank to within 1 in. (25 mm) of the bottom of the
filler neck.
• Store fuel according to local, state, or federal ordinances
and recommendations from your fuel supplier.
• Never overfill or allow the tank to become empty.
• Check fuel lines and clamps every 50 hours. Replace fuel
lines and clamps at the first sign of damage.
• Use clean, fresh, #2 low or ultra-low sulfur Diesel fuel.
Minimum Cetane rating 45. Refer to Engine Manual for
additional information.
4.8
FUEL SYSTEM ____________________________________________________________
Refer to
for specific maintenance intervals.
Before replacing any filter, thoroughly clean the filter
housing, and the area around the filter. Dirt must not be
allowed to enter into fuel system.
For diesel engines, turn the key switch to the ON position to
start the fuel pump, and bleed the fuel system if the fuel filter
and lines have been removed or the fuel tank has become
empty. See Engine Manual.
F
WARNING
Never remove the fuel cap from the fuel tank or add fuel
when the engine is running or while the engine is hot.
Do not smoke when handling fuel. Never fill or drain the
fuel tank indoors.
Do not spill fuel. Clean spilled fuel immediately.
Never handle or store fuel containers near an open flame
or any device that may create sparks and ignite the fuel or
fuel vapors.
Be sure to reinstall and tighten fuel cap securely.
!
Summary of Contents for R-311T
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