Mitsubishi 4DQ5 Service Manual Page 53
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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LUBRICATING SYSTEM
®
®
®--~~--
____
~
L-
__
R-~--®
I----------=~--
-~-==II
~u
'-----------~.L=_=-=:;...'
---G)
'-=---::------
--
Lubrication
oil
circuit
1. Lube oil circulation
A trochoid rotary
pump
draws oil in the oil pan and
delivers it under pressure to a full·flow oil nIter, from
which the cleaned oil
is
forwarded into the oil gallery
inside the crankcase. From the gallery, the oil
is
distri-
buted to the various parts
of
the engine. The pump
is
driven from the camshaft.
The oil filter
is
ofa
cartridge type containing a replaceable
element through which the oil
is
forced.
2. Oil pump
The pump
is
located inside the crankcase
at
its right·
hand rear portion. Its main shaft
is
driven from the skew
gear formed
of
the camshaft.
2-1
Disassembly
(1) Loosen bolts securing oil strainer (2) and separate
the strainer from
oil
pump case.
(2) Loosen bolts (3) securing
oil
pump cover (4) and
separate the cover from
oil
pump case.
(3) To facilitate removal
of
outer rotor (5), turn the
pump case upside down
(4)
Drive
out pump drive gear taper pin (6) and
re-
move
drive gear
(7)
from main shaft (8). Pull out
the main shaft from pump case.
(5)
Drive
out inner rotor pin (9) and separate inner
rotoro (10) from main shaft.
-49-
1-Piston
2-Oil filter
3-Crankshaft
4-0
il
strainer
5·Rocker
arm
6-Rocker shaft
7-Oil pressure alarm switch
8-Oil
pump
9·Fuel injection
pump
10·Water
pump
- SERVICE 1
- 1. Major 5
- GENERAL 5
- 1-2 Right-hand side view 6
- Longitudinal sectional view 7
- Transverse sectional view 8
- "til 9
- '1:l 10
- '0 10
- ~ 13500 11
- DISASSEMBLY 12
- (1) and disconnect injection 13
- (3) by loosening union 13
- (1) and remove 13
- (1) and oil ring (2) 17
- (b) Remove 18
- (f) Remove thermostat (5) 18
- Ii nder head 19
- (0.0020) 20
- Valve guides 21
- 'Valve springs 23
- Removing ridge 24
- 1.0. Remarks 25
- Pistons and piston rings 26
- (4) Piston 27
- (7) Piston pin bosses 28
- "c" and 29
- "c" 29
- ~rankpin 30
- (1) Journals 32
- 5393To.00059) 34
- (0.0012 36
- (0.00787) 36
- Camshaft 36
- W' 37
- +0.10 (hole) 38
- ",:e" 39
- (0.0020 40
- REASSEMBLY 41
- 1-Compression rings 42
- Driving 43
- Precombustion-chamber side 44
- (1) and two woodruff keys 45
- (1) with 47
- 48
- (lb-ft) 49
- CYLINDER 50
- ASSEMBLY 50
- (1) into the tappets 51
- I----------=~ 53
- -~-==II 53
- J.00059 54
- (NOTES] 55
- COOLING SYSTEM 56
- ± 2°C (169.7 ± 3.6°F) 56
- (1) Remove pump cover (2) 57
- Reassembly 59
- (1) and install 59
- Fuel circuit 60
- Priming the fuel system 61
- (1) Bringing 62
- (1) Filter 63
- ®--_" 64
- Leak-off pipe packing 65
- 01 this 66
- (3) Seating tightness 67
- 6. Fuel feed pump 68
- Priming 70
- 600 injection-pump rpm 71
- 1.S kg/cm 71
- Tabulated data 73
- (IT) mounted on control 74
- 1. General 75
- Starter 76
- ± 0.3 V 78
- _..JI~'--_Fuse 79
- Dz permits the 80
- (1), and remove starter 81
- 7. Inspection and adjustment 85
- Ammeter 87
- -"' 88
- Alternator 89
- (1) Starting the engine 91
- (f) Fuel injection 91
- (1) Test condition 91
- 760 - 11.4 92
- -fJiGQ' 93
- ( 1.73) 95
- ± 2.21) 95
- I Warpage on 96
- @' 99
- 'U 100
- ""' 101
- "" 102
- (0.130~0.154) 103
- I Replace 104
- '" 105
- SEALANT APPLICATION DATA 106
- Important bolts and nuts 107
- General bolts and 108
- "t 109
- ~"~i 110
- 2·lnstaller 111
- 3-Cran kease 111
- 1-Rod 3-Camshaft bushing 112
- 2-Adaptor 112
- TROUBLESHOOTING 114
- .::;;"' 115
- - - - 0 116
- 0 - - 116
- - 0 - - 116
- -" 117
- '85 120
- Printed in Japan 120
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