Inspection Of Fuel Pump - TOHATSU MD 70-90C2 Service Manual

Fuel System (TLDI)
Attach upper grommet 8 and cable terminal grommets 9.
4.
Terminal area of parts 8, 9, 0 and q :
Genuine Engine Oil
2st
Attach black wire 0 ( - ) and red wire q ( + ) of cable
terminal to FFP case.
Be sure to connect the wires to their
corresponding flat terminals ( - and + ).
Connect FFP cords w to their corresponding terminals 0
5.
and q.. (Y... Yellow - L... Blue +)
Push down cables terminals to connect terminals
securely. Be careful that the cords are not caught.
Attach cord cover t and clamp y to the body by using
spacer (washer) e and bolt r.
FFP Bolt r :
3.2 N·m (2.3 lb·ft) [0.32 kgf·m]
Attach cable terminal grommet (upper) u, put seal ring (O
6.
ring) i and upper case 3 and then, secure the parts with
bolts o.
Cable Terminal Grommet Upper u, O Ring i :
Genuine Engine Oil
2st
FFP Case (Upper) Bolt o :
3.2 N·m (2.3 lb·ft) [0.32 kgf·m]

11) Inspection of Fuel Pump

1. Remove fuel hoses (2) from fuel pump.
Catch fuel that spills when the hoses are
removed.
2. Connect vacuum/pressure gauge to inlet of fuel pump.
Fill fuel pump with 20:1 gasoline-oil mixture.
3. Close fuel pump outlet with a finger and apply specified
pressure. Check if no air leaks through diaphragm.
Vacuum/Pressure Gauge :
P/N. 3AC-99020-0
Specified Pressure :
0.05 MPa (7 psi) [0.5 kgf/cm
4-30
CAUTION
2 ]
u
2st
2st OIL
q
0
2st
2st OIL
2st
2st OIL
9
2st
2st OIL
t
r
y
e
o
2st
2st OIL
i
8
2st
2st OIL
w
Y
TLDI 75/90C2 2010