2-16
PERIODIC MAINTENANCE
BREATHER HOSE AND FUEL LINE
• Inspect initially after 20 hours (1 month) and every
50 hours (3 months) thereafter.
• Replace every 2 years.
If leakage, cracks, swelling or other damage is found, replace
the breather line and/or the fuel line.
LOW PRESSURE FUEL FILTER
• Inspect every 50 hours (3 months).
• Replace every 400 hours or 2 years.
If water accumulation, sediment, leakage, crack or other dam-
age is found, replace the fuel filter.
HIGH PRESSURE FUEL FILTER
Replace every 1000 hours.
Low pressure
fuel filter
Fuel hose
(Connector to L. filter)
%
The * marked items remain pressurized at all times. To protect against fuel spray, relieve
fuel line pressure before disconnecting or removing these items. See page 5-2.
Breather hose
* Fuel hose
(Separator to H. filter)
* High pressure
fuel filter
* Fuel hose
(H. filter to 3-way joint)
Fuel hose
(L. pump to Separator)
* Fuel hose
(3-way joint to Delivery pipe)
* Fuel hose
(3-way joint to Separator)
Fuel hose
(L. filter to L. pump)