Baudoulin 4M11G Maintenance Manual page 46

Maintenance M Manual of 4M1
head, tak ke it out and
5) ) Disassem mble the cy
wearing
disassem mbly of mu
cylinder
6) ) Disassem mble the cy
gaskets i
problem
7) ) Dissemb ble the inta
instructio
8) ) Disassem mble the val
4.2.3.3 In nspection a
1) ) Cylinder r head
Before disas B
and ai ir leakage
locatio ons and ana
Clean the cy C
intake and exhau ust valves, i
varnish h, as well a
① Appearan
①
Check disco C oloration an
out pe netrant insp pection.
② Intake va
②
V Valve sink,
unders side. The d
wear o of valve and d valve seat
shown n in Figure 4
F For the requ uired valve
1 Series Diesel l Engine For La
d place it ba
ylinder head
the top su urface of co
ultiple cylin
numbers to o ease the pr
ylinder head
is required, mark the cy
analysis.
ake and exh
ons of valve e mechanism
lve stem sea
and Maint tenance of
sembling th he cylinder
and for oth her abnorm
lyze the pro oblems.
ylinder head d, and clea
intake and
s inspect su urface condi
nce inspecti ion
d crack of
alve sink
which is t the vertical
ifference be etween mea
. It is possib
4-4.
Figure 4
sinks, refer
and Power Gene erators
ack to the cy ylinder bloc
d and plac e it on a p
ombustion chamber an
nder heads is required
roblem anal lysis.
d gasket. If f the disass
ylinder num mbers on the
haust valve e subassem
m for detail s.
al.
f Cylinder r Head
head, check k the cylind
malities, in order to ac
an the surfa aces of the
exhaust por rts, and dis
itions.
the cylinde er head care
distance b between val
asured and required va
ble to use de epth microm
4-4 Depth Mi crometer
r to Table 4 4-3. If the v
38
k.
paper board d, in order
nd other se ealing surfa
d, mark the e cylinder
sembly of m multiple cyl
e cylinder he ead gaskets
mbly. Refer to the dis
der head for presence o
ccurately d determine th
combustion n chamber,
sassemble th he carbon d
efully, and i in case of c
lve undersi ide and cyl
alve sinks r reflects the
meter to me easure the va
valve sink is s outside th
to prevent t
aces. If the e
heads with h
linder head d
s to ease the e
sassembling g
f water, oil, ,
he problem m
valve seat, ,
deposit and d
crack, carry y
linder head d
degrees of f
alve sink as s
he specified d