4.33 TWO STEP FUEL FILTER CARTRIDGE MAINTENANCE.
This task covers:
General Mechanics Tool Kit
(item 2, appendix B)
Generator Set 150 kW shut
Automotive Fuel and Electrical System Repair, Tool Kit
down, paragraph 2.5.2
(item 3, appendix B)
Filter cartridges (one is felt and one is paper)
(item 9, appendix E)
Make sure that there are no open flames in the vicinity, and that fuel
cannot splash onto hot components. Failure to observe this warning
could result in severe personal Injury or death.
Open flap (1, figure 4-37).
Place a drain pan under the two step fuel filter set to collect fuel.
Remove drain plugs (12, 22) and sealing rings (13, 23) and discard sealing rings (13, 23).
Remove bleed screws (19, 30) and sealing rings (18, 29) and allow all the fuel to flow out of filter
cups (14, 24). Discard sealing rings (18, 29).
Remove cups in sequence, holding tightly.
Remove screw (21) and washer (20) from top (17) of two step fuel filter.
Remove filter cup (14), sealing ring (16), and filter insert (15). Discard sealing ring (16) and filter
Empty remaining fuel from filter cups (14) into drain pan.
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