SELVA MARINE Blue Whale 250 EFI, Service Manual

Page: 83 / 377

6P23H11
FUEL
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2
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4
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9
Fuel system
Hose routing ................................................................................................... 4-1
Fuel hose and blowby hose....................................................................... 4-1
Vapor gas hose ......................................................................................... 4-2
Cooling water hose.................................................................................... 4-3
Checking the throttle valve operation ........................................................ 4-5
Checking the TPS...................................................................................... 4-5
Measuring the fuel pressure ...................................................................... 4-7
Checking the pressure regulator ............................................................... 4-8
Reducing the fuel pressure........................................................................ 4-9
Disconnecting the quick connector............................................................ 4-9
Draining the fuel ...................................................................................... 4-10
Fuel filter ....................................................................................................... 4-11
Intake manifold............................................................................................. 4-12
Installing the intake manifold ................................................................... 4-13
Installing the intake silencer .................................................................... 4-13
Throttle body ................................................................................................ 4-15
Checking the canister .............................................................................. 4-18
Checking the canister check valve .......................................................... 4-18
Installing the throttle body........................................................................ 4-18
Low-pressure fuel pump ............................................................................. 4-20
Checking the check valve........................................................................ 4-21
Vapor separator............................................................................................ 4-22
Removing the fuel hose clamp ................................................................ 4-25
Installing the fuel hose clamp .................................................................. 4-25
Checking the vapor separator ................................................................. 4-25
Fuel injector.................................................................................................. 4-26
Installing the fuel injector ......................................................................... 4-27