(3) Loosen the oil injection pipe of the first
(3) Loosen the oil injection pipe of the first
cylinder; dismantle the spring of dump valve
cylinder; dismantle the spring of dump valve
bracket and the valve. Mount the dump valve
bracket and the valve. Mount the dump valve
bracket on the oil injection pump. See Fig.1.16.
bracket on the oil injection pump. See Fig.1.16.
(4
(4
)Wh
)Wh
ile
ile
th
th
e
e
fu
fu
el
el
is
is
com
com
pr
pr
es
es
se
se
d
d
an
an
d
d
delive
delive
red by
red by
oil supply pump, turn slowly the
oil supply pump, turn slowly the
crankshaft clockwise as shown in Fig.1.16 and
crankshaft clockwise as shown in Fig.1.16 and
stop turning it when the oil level of dump valve
stop turning it when the oil level of dump valve
base raises to the position it stops. See Fig.
base raises to the position it stops. See Fig.
1.17 to confirm the marks of the needle.
1.17 to confirm the marks of the needle.
1.5.8 Adjustment of ignition time of oil
1.5.8 Adjustment of ignition time of oil
injection
injection
Fig. 1.16
Fig. 1.16
Relief valve support
Relief valve support
Fig. 1.17
Fig. 1.17
Pointer
Pointer
Mark
Mark
Ignition
Ignition
time mark
time mark
(1) Dismantle the pipes mounted on the oil injection pump (fuel and lubricati
(1) Dismantle the pipes mounted on the oil injection pump (fuel and lubricati
on oil)
on oil)
(2) Loosen the mounting bolts of oil injection pump.
(2) Loosen the mounting bolts of oil injection pump.
(3) While making sure the ignit
(3) While making sure the ignit
ion time accordi
ion time accordi
ng to the main points of 1.6.7, adjust it
ng to the main points of 1.6.7, adjust it
in the direction far away from
in the direction far away from
the engine in case of “
the engine in case of “
Ahead of time” and adjust in the
Ahead of time” and adjust in the
directi
directi
on close to the engine in
on close to the engine in
case of “delay”.
case of “delay”.
(4) After adjustment, screw tight all the assembly bolts of oil injection pump and
(4) After adjustment, screw tight all the assembly bolts of oil injection pump and
confirm again the ignition time.
confirm again the ignition time.
(5) Assemble the oil discharge valve used for the first cylinder and mount each pipe
(5) Assemble the oil discharge valve used for the first cylinder and mount each pipe
on their original and respective positions.
on their original and respective positions.
1.5.9 Measurement of the compression pressure (See Fig.1.18)
1.5.9 Measurement of the compression pressure (See Fig.1.18)
(1) Dismantle comp
(1) Dismantle comp
letely the heat spark plug and oil injection pipes.
letely the heat spark plug and oil injection pipes.
(2) Mount the manometer on
(2) Mount the manometer on
the assembly positions of the heat spark plug
the assembly positions of the heat spark plug
of the first
of the first
cylinde
cylinde
r. ( The
r. ( The
nominal valv
nominal valv
e is 500N/cm )；
e is 500N/cm )；
(3) Start the device with battery of sufficient electrical power and measure the
(3) Start the device with battery of sufficient electrical power and measure the
pressure at this time.
pressure at this time.
(4)Measurement is made with the same method to the 6th cylinder, over twice for
(4)Measurement is made with the same method to the 6th cylinder, over twice for
each, then calculate their respective average values: Compressed pressure：304N/cm
each, then calculate their respective average values: Compressed pressure：304N/cm
(Limiting value 255N/cm ) .
(Limiting value 255N/cm ) .
2
2
2
2
2
2
-25-
-25-
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