Chapter 3 Fuel Injection
Equipment
.;..l...;l
.;.....T_r_o_ub_l..;.e_sh_o_o_t_in_.g.....,;.(C_o_n_c_e_r_n_in_g
___
e-ng;;;;.1_·n_e_fi_u_e_l_in_1_·e_c_ti_o_n_e_q_u_ip_m_e_n_t)
_________
3,4JH3(B)(C)E
Malfunctions
The engine
exhaust contains
smoke and the
engine "knocks"
The engine
output
is
unstable
Insufficient
output
1.
The injection
quantity is
insufficient
2.
The injection
timing is too
advanced and
the engine is
"knocking"
Printed
in
Japan
HINSHr-H8009
Causes
Remedies
1.
The injection timing is incorrect
Readjust the timing
2.
The nozzle or nozzle holder is
Inspect, then repair
or
replace
functioning incorrectly
3.
The injection quantity
is
Readjust
excessive
1 . The fuel filter element
is
clogged
Clean or replace
and fuel oil delivery is poor
2.
The amount of fuel or pressure Inspect and repair
delivered by the feed pump is too
little
3.
The injection pump is sucking air
Inspect and repair
4.
The regulating valve
is
stuck
in
Replace
the open position
5.
The plunger is sticking and does
Replace the distributor assembly
not travel its full stroke
6.
The plunger spring IS broken
Replace
7.
The control sleeve is not sliding Repair or replace
smoothly
8.
The governor lever is not Repair or replace
operating properly or is worn
excessively
9.
The delivery valve spring
is
Replace
broken
10. The delivery valve is not sliding Repair or replace
properly
11. The nozzle or the nozzle holder
Inspect, and then repair or replace
is not functioning properly
12. The injection timing
is
incorrect Readjust
1.
The specified full-load injection
Readjust
quantity is not delivered
2.
The control lever is not reaching
Readjust
the maximum speed position
3.
The governor spring
is
weak and
Replace
therefore the governed speed is
too low
4.
The plunger is worn
Replace the distributor assembly
5.
The delivery valve seating
Replace
portions are damaged
Readjust
3-43
To Next Page
Loading...
