Mitsubishi 4DQ5 Service Manual Page 10
- Page / 120
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
Engine model 4DQ5
Type
of
nozzle tips
Bosch
ND-DNOSD21
~
Fuel injection
Spray hole diam mm (in.)
1 (0.04)
~
Spray angle
0°
~
nozzles
'1:l
kg/cm
2
(psi)
120 +18 (1706 +
14
6 )
=
Injection pressure
""-
Fuel filter Paper-element type
Type
Trochoid
Speed ratio
to
crankshaft
1/2
Oil
pump Capacity at oil temp.
50 ± 5°C (122 ± 9°F);
liter (cu in.)/
8.37 (510.8), min/lOOO (pump rpm)
pressure 3 kg/cm
2
min/rpm
(42.7 psi)
e
At duty run
3
- 4 (42.7 - 56.9)
III
Oil
pressure
kg/cm
2
(psi)
~
'"
At idling 1 - 2 (14.2 - 28.4)
>.
'"
=
Oil
filter Paper-element type
.sa
~
'"
Type Piston-valve
.~
..
3
Relief valve
Valve opening
kg/ cm
2
(psi)
pressure
3
± 0.2 (42.7 ± 2.8)
Refill capacity
Oil pan
liter
6.5 (1. 7)
Oil
filter
(U.s. gal)
0.7 (0.18)
Type Piston-valve
Oil
bypass
Valve opening
valve
kg/ cm
2
(psi) 0.8 - 1.2 (11.4 - 17.1)
pressure
Type
Centrifugal type
Water pump
Speed ratio
to
crankshaft
1.3
Capacity
liter (cu in.)/
105
(6408)/3900 (pump rpm)
min/rpm
Type
Wax
e
Thermostat
Valve opening temperature 76.5 ± 2°C (169.7 ± 3.6°F)
III
90 ± 2°C (194 ±
3.6°p)
~
Valve lift temperature
'"
>.
'"
.Sf
Type
Circular-arc pusher type
'0
No.
of
blades 6
0
Fan
U
Outside diameter
mm (in.)
380 (15)
Ratio to crankshaft speed 1.3
Drive belt
Type Low-edge cog B
No.
of
belts 1
Refill capacity (engine water jacket)
liter
4.5 (1.2)
(U.S. gal)
-6-
- 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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