Shindaiwa DG150MM Owners And Operation Manual page 37

(5) Pre Fuel Filter Replacement (Water Separator)
Replace
Turn the selector lever mounted the inlet hose in 3
1
way valve to "Y" direction. So the fuel supply from
the internal tank is cut.
2 Set a container to catch spilled fuel.
Loosen the air bleeder plug of the fuel filter
3
sufficiently.
Loosen the faucet on the bottom to drain the fuel.
4
Remove the fuel filter element.
5
Install the new fuel filter element.
6
Replace the O-ring of the outer case.
7
Spread a thin layer of fuel on a new O-ring.
8
Thread the outer case by hand, (do not use a
9
filter wrench) and it in until the O-ring contacts
the seal surface, and then tighten it using the
special filter wrench.
Tighten the drain plug on the bottom and the
10
air-bleeding plug.
Drain plug tightening torque
1.5 ~ 2.5 N･m(0.15 ~ 0.25 kgf･m)
Air bleeding plug tightening torque
8 ~ 12 N･m(0.8 ~ 1.2 kgf･m)
Outer case tightening torque
18 ~ 22 N･m(1.8 ~ 2.2 kgf･m)
Do not overtorque the drain plug and air bleeder
plug.
Turn the selector lever mounted the inlet hose in
11
3 way valve to "X" direction. So the fuel path
from the internal tank is reopened.
12 Wipe off the spilled fuel on any component.
Bleed the air from the fuel system. (Ref."9-2.(2) Adjustment during Operation")
13
Start the engine. Make sure that there is no leaking the fuel from the sealing
14
point.
< Note >
 When attaching the outer case, check that there is no foreign material adhering to the
O-ring.
 After attaching, be sure to always start the engine and check that there is no fuel leakage.
 If water is accumulate in the cup, draining water from the fuel tank and the water separator.
 Filter element ( Including O-ring ) part no.: G260-000120
 Filter Wrench part no.: X602-000450
Every 500 hrs.
Inlet hose
34
3 Way Valve
"X"
"Y"
Selector leve
Fuel Filter element
Air Bleeder
Plug
Outer case
Faucet
Filter Wrench