Fuel System (Tldi) - TOHATSU MD 30B2 Service Manual

Fuel System (TLDI)

1. Special Tools .............................. 4-2
2. Parts Layout .............................. 4-3
Vapor Separator & Fue L ne ............ 4-3
FFP Ass y .................................... 4-4
A r Ra .......................................... 4-6
A r Compressor .............................. 4-8
O Pump ....................................... 4-10
3. What is TLDI? ........................... 4-12
D rect Fue Inject on System ............ 4-12
ENGINE WITH CARBURETOR ......... 4-12
TLDI ............................................. 4-12
Induct ve Ign t on ........................... 4-13
ECU ............................................. 4-15
Fue / A r Feed System ..................... 4-16
O System / Rec rcu at on System ...... 4-17
4. Removing Air Rail ..................... 4-18
1) Decompression of Fuel Line and Air Line
2) Remov ng A r Ra Ass'y ............ 4-18
3) Inspect on of Injectors ............... 4-20
5. Assembly of Air Rail .................. 4-20
1) Installing of Injectors and Regulators
2) Insta at on of A r Injector and
A r Ra .................................... 4-23
6. Removing and installation of
Fuel System .............................. 4-24
1) Removing High Pressure Fuel Hose Ass'y
2) Insta at on of Fue Hose Ass'y ...... 4-25
3) Draining Fuel from FFP Vapor Separator ... 4-25
4) Remov ng Vapor Separator ......... 4-25
5) D sassemb y and Inspect on of
4
Vapor Separator ........................ 4-26
6) Assemb y of Vapor Separator ...... 4-26
7) Installation of Vapor Separator Ass'y 4-27
8) Remov ng FFP Ass'y .................. 4-27
9) Disassembly and Inspection of FFP
10) Assemb y of FFP Ass'y ............... 4-28
11) Inspect on of Fue Pump ............ 4-29
12) Installation of FFP Ass'y to Cylinder ... 4-31
7. Removing and Installation of
Air Compressor ........................ 4-32
1) Remov ng A r Compressor ......... 4-32
2) Inspect on of Dr ve Be t ............... 4-32
3) Remov ng Dr ven Pu ey ............ 4-33
4) Disassembly of Compressor Housing
5) Inspect on of Reed Va ve ............ 4-35
6) Inspect on of Cy nder and P ston
4-18 7) Assembly of Compressor Housing ... 4-35
8) Insta at on of Crank Shaft ......... 4-36
9) Insta at on of P ston .................. 4-37
10) Insta at on of Compressor
Hous ng Ass'y ........................... 4-38
4-20
11) Insta ng A r Compressor ............ 4-38
12) Measurement of Fue Pressure and
A r Pressure ........................... 4-39
8. Inspection of
4-24 Lubrication System .................. 4-41
1) Inspect on of O Pump ............... 4-41
2) Inspect on of O F ter ............... 4-41
3) Inspect on of O Tank ............... 4-41
4) A r B eed ng .............................. 4-42
4
4-27
4-34
4-35