TOHATSU BFT115A Service Manual page 84

MAINTENANCE
FUEL STRAINER (HIGH PRESSURE
SIDE) INSPECTION/REPLACEMENT
Gasoline is highly flammable and explosive.
You can be burned or seriously injured when han-
dling fuel.
• Keep heat, sparks, and flame away.
• Wipe up spills immediately.
• Handle fuel only outdoors.
• Disconnect the battery cable from the battery
negative (–) terminal before relieving the fuel
pressure.
• Replace the sealing washer when the service check
bolt is loosened or removed.
• Catch the gasoline draining from the strainer to
avoid contaminating the engine parts with gasoline.
Replace the fuel strainer (high pressure side) at the
replacement interval shown or in the following case.
– Regular replacement period of every 2 years or 400
operating hours.
– When the fuel pressure does not reach 270 – 320
kPa (2.8 – 3.3 kgf/cm
regulator control tube disconnected from the
pressure regulator, check the following. If the they
are normal, replace the fuel strainer (high pressure
side).
– Fuel pump (High pressure side) (page 5-130)
– Pressure regulator (page 5-129)
Remove the L. engine under cover (page 6-4).
Relieve the fuel pressure (page 5-79).
Place a rag or a shop towel over the strainer cover (1)
and remove the three screws (2) and strainer cover.
Remove the packing (3), strainer (4) and spring (5).
Check for damage or contamination and replace if
necessary.
Apply engine oil to a new O-ring (6) and install it to the
strainer cover.
Install the packing, strainer and strainer cover, then
tighten the three screws to the specified torque.
TORQUE: 3.4 N·m (0.35 kgf·m, 2.5 lbf·ft)
Replace the sealing washer (7), and tighten the service
check bolt (8) to the specified torque.
TORQUE: 12 N·m (1.2 kgf·m, 9 lbf·ft)
Install the removed parts in the reverse order of
removal.
THERMOSTAT INSPECTION
Remove the thermostat and perform the inspection
(page 11-15).
3-26
2 , 40 – 47 psi) with the pressure
(5)
(4)
(2)
(3)
(8)
(1)
(7)
(5)
(6)