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Engine oil will be hot. Use protective
gloves to prevent burns. Engine oil con-
tains chemicals which may be harmful to
your health. Avoid skin contact.
3. Remove drain plug and allow the oil to drain.
4. Remove and discard oil filter and its sealing
ring.
5. Coat sealing ring on the new filter with clean
engine oil, wipe the sealing surface on the filter
mounting surface to remove any dust, dirt or
debris. Tighten filter securely (follow filter man-
ufacturer’s instructions). Do not over tighten.
6. Check sealing ring on drain plug for any dam-
age, replace if necessary, wipe plug with clean
rag, wipe pan sealing surface with clean rag
and re-install plug into the pan. Tighten to the
OEM specification.
7. Fill crankcase with oil.
8. Start engine and check for oil leaks.
9. Dispose of oil and filter in a safe and respon-
sible manner.
FUEL SYSTEM INSPECTION AND
MAINTENANCE
LPG FUEL SYSTEM
The LPG fuel system installed on this industrial
engine has been designed to meet the emission
standard applicable for the 2011 model year. To
ensure compliance to these standards, follow the
recommended maintenance schedule contained in
this section.
INSPECTION AND MAINTENANCE OF THE
FUEL STORAGE CYLINDER
The fuel storage cylinder should be inspected
daily or at the beginning of each operational shift
for any leaks, external damage, adequate fuel
supply and to ensure the manual service valve is
open. Fuel storage cylinders should always be
securely mounted, inspect the securing straps or
retaining devices for damage ensure that all lock-
ing devices are closed and locked. Check to
ensure that the fuel storage cylinder is positioned
with the locating pin in the tank collar on all hori-
zontally mounted cylinders this will ensure the
proper function of the cylinder relief valve.
When refueling or exchanging the fuel cylinder,
check the quick fill valve for thread damage. Also
verify O-ring is in place and inspect for cracks,
chunking or separation. If damage to the o-ring
is found, replace prior to filling. Check the ser-
vice line quick coupler for any thread damage.
IMPORTANT:
When refueling the fuel cylinder, wipe both the
female and male connection with a clean rag prior
to filling to prevent dust, dirt and debris from being
introduced to the fuel cylinder.
INSPECTION OF THE FUEL FILTER
The LPG system on this emission certified engine
utilizes an in-line replaceable fuel filter element.
This element should be replaced, at the intervals
specified in the recommended maintenance sche-
dule. When inspecting the fuel filter check the
following:
Check for leaks at the inlet and outlet fittings,
using a soapy solution or an electronic leak
detector and repair if necessary.
Check to make sure filter is securely mounted.
Check filter housing for external damage or
distortion. If damaged replace fuel filter.
AIR FUEL MIXER/THROTTLE CONTROL
DEVICE MAINTENANCE AND INSPECTION
IMPORTANT:
The Air Fuel Mixer components have been
specifically designed and calibrated to meet the
fuel system requirements of the emission certified
engine. The mixer should not be disassembled or
rebuilt. If the mixer fails to operate or develops a
leak the mixer should be replaced with the OEM
recommended replacement parts.
When inspecting the mixer check for the following
items:
Leaks at the inlet fitting.
Fuel inlet hose for cracking, splitting or chaff-
ing, replace if any of these condition exist.
Ensure the mixer is securely mounted.
Inspect air inlet hose connection and clamp.
Also inspect inlet hose for cracking, splitting or
chafing. Replace if any of these conditions ex-
ist.
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