Mitsubishi S4E User manual

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FOREWORD
This service manua l has Instructions ,nd procedures for lhe s ubject on the
front cover. The infomlation, specifications, and illustrations used in this
manual are based on i
nformation tha l waS current at the time this issue was
written.
Correct servicing will give this engiM a long productive lif e. Before
attempting to st arl a test, repair or rebuild job, be sure thai yo u have studied
the respective sections of this manua l, and know all the components you will
work on.
Safety is n Ot on ly yo ur concern bu t everybody's con cern. Safe w ork ing habits
cannot be bought Or m anuf,ctured; they must be learned through the job yo u
o. By learning wh at CAUTION 0 1' WARNING symbol emphas izes, know
what is safe - what is not safe. Consult your foreman, jf necessary, for
specific i
nstructions on a job , and the safety equipment required.
NOTES, CAUTIONS and WARNINGS
NOTES, CAUTIONS and WARNINGS are used in this manua l to empha -
size important and criti cal jllstructi ons. They are u s.ed for the following
conditions:
i NOTE]
.Lt. ( CAUTION] ..
.&.IW£':I~ II Nii
An operating procedure, c ondition, etc .,
which it
is essential to hfgJ1llgIH.
Operat ing procedures, practices, etc.,
which
if no t strictly observed, will result
in damage
to or destruction of engine.
Operating procedures, practices, etc .,
which if nOt correctly followed, will
result in personal injury or loss of life.
January 1973

TABLE OF CONTENTS
SERVICE GUIDE
Recommended periodical servici ng schedul
CONSTRUCTION AND FUNCTrON
D escription .
C rank c ase
Cylinder head
Main moving pa ns
Timing gear train . .
Lubrication sy stem
Fue l sy s te m . . ...
Cooling system .. . . . . .
Electrical equipm en1
MAINTENA NCE AND ADJUSTMENT
Inspection and adjustment of engine proper
Crankcase
Cylind er hea
Timing mechanism
Lubrication system
Fuel system .
Cooling system
Electrical equipment
Bench tests . '
DISASSEMBLY AND REASSEMBLY
Hints for facilirating disassembly-reassembly work
Engine dismounting and mounting . .. . .
Rocker arms and rocke r shaft . . . . . . . . . . . . ... . .
Cylinder head ...... . . . . . .. . . . . . .. . .. ... .. .
Timing gears
Lubrication system
Cooling system (water pump complete with thermost3t)
Flywheel and ring gear
Fuel filler . . .. . . . .
Injection nozz les
I njectio n pump and governor
Engine proper . . .
St arter . .
Alternator and re gu lator unit
Page
3
7
16
17
18
20
22
23
36
38
47
47
51
61
63
65
78
79
84
89
89
89
91
95
97
100
102
104
104
106
120
128
132

MA1NTENANCESTANDARDS
Maintenance standards
T,ghtening torque
Applic ation of sealers
TROUBLESHOOTING
Troubleshooting chart ( I)
Trou bl eshooting c har t (2)
SPECIAL SERVICE TOOLS
137
147
148
150
154
157

..
.'
.'
•

What to service What to do
Check oil le vel and repleni sh .
~
Oil p an
."
Change oi l.
.~ E
" "
~-
Oil mler Rtp
ilice fi lter elemen t.
~~
...Ji:;
Oil drcuit Clean by flushing .
Fuel fllter D
rai n out sl udge and con den.sate: .
Rep la c. e filter element.
Feed pump Cl ean inlet connection.
E
Chel;k inj ec tion pres sur e.
J'!
Inj ection
~
;:;
;;
nOlzles
De- ca rbon and clean non)e. 'i
~
and scat s.
"-
Drain out con densa te and
F ue l tank
sl u dge .
, C
lean by flushIng.
Check w ater level and repleni sh.
E Radiator Change coolan
l.
J'!
~
Cl ean r4 d iator fin s.
>-
~
'"
.5
Fan belt C
hec k and adjust tension,
'0
8 Thelmost31
Check for performance.
Coolant circuit Cl ean by flushing.
E
CJe an elemenl.
Air cl eane r
Q Replace element.
:;;
i:;
Bo lts nnd nuts
~
Che ek for tightness an d
Il
on muffler an d
.£
air cleane r retighten.
Inspec t b rush es and commutator
_ c S
tar t er ror we ar; iccondition as necessary .
11 ~
-- E
Check acid lev el and replenish.
~c.
Battery
0' -
Q ~
Check elect roly te S_G.
- .,-
w"
Glow plugs rnspect fo r co ndition.
:.
Valve clearance Check and ad j ust .
c.
0
5.
~
Major bolts Retighten.
~
' s.
~ Packlngs and
w
l.n spe ct for l eaka ge and repair .
se als
- - -- --
C ri teria
7.0 liters
(1.8 gaUon s)
120 ±S kg/em'
(1706 ±71 ps i)
60 lilers
(16 gallon,)
1 61ile"
(4.2 gillon')
1 2mm(l12in.)
of deneCl ion
0.25 mm(0.0098
in.) fOf bothint ake
and e >:.haust ,,.a!VtS
o refers to engines in regub..r service.
@refers;to new eng,ines being broken in.
Servicing intervals (hr5)
Da ily
15 150
300 600
12DD
Remar ks
1 101
0
@ 0
0 0
0 0
0 0
0
0
---
0
,0
0
0
0
0 0
0 Standard d
,"y i
0 conditions
@ 0
I
0
0 I
0 ,
0
0 I
0 -l
JO
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