engine ISUZU TF SERIES 2004 Workshop Manual

ENGINE MECHANICAL 6A – 7

Engine model
Item 4JH1TC
Cooling system
Water pump type
Thermostat type
Air cleaner type

Battery type/voltage
No. of units



Generator capacity V-A
Starter motor output V-Kw
Turbocharger model
Turbine type
Compressor type
Centrifugal
Wax pellet with jiggle valve
Dry paper element (except for Euro3 spec)
Viscous paper element (for Euro3 spec)
80D26L
1
95D31L
1 (OPT)
75D26R
2 (OPT for EC, MT)
80D26R
2 (OPT for EC, AT)
12 – 60/12 – 80
12 – 2.3
*IHI RHF5
Mixed flow type Radial-inflow
Backward & rake type Radial-outflow
*IHI: Ishikawajima-Harima Heavy Industries., Ltd.

6A – 8 ENGINE MECHANICAL

TORQUE SPECIFICATION
STANDARD BOLTS
The torque values given in the following table should be applied whenever a particular torque is not specified.
N ·m (kg ·m/lb ·ft)
8.8
4.8 (4T) (7T) Refined Non-Refined 9.8 (9T) Strength
Class
Bolt
Identification


Bolt
Diameter

Pitch (mm)
M 6






1.0

M 8






1.25

M 10






1.25

M 12






1.25

M 14






1.5

M 16






1.5

M 18






1.5

M 20






1.5

M 22






1.5

M 24






2.0

* M 10






1.5

* M 12






1.5

* M 14






2.0

* M 16






2.0
5.88 ± 1.96
(0.60 ± 0.20/4.33 ± 1.44)
12.74
4.90
(1.30 ± 0.50/9.40 ± 3.62)
27.44 ± 6.86
(2.80 ± 0.70/20.25 ± 5.06)
61.25 ± 12.25
(6.25 ± 1.25/45.21 ± 9.04)
95.55 ± 19.11
(9.75 ±1.95/70.52 ± 14.10)
130.34 ± 26.46
(13.30 ± 2.70/96.20 ± 19.53)
188.16 ± 37.24
(19.20 ± 3.80/138.87 ± 27.49)
257.74 ± 51.94
(26.30 ± 5.30/190.23 ± 38.33)
332.22 ± 81.34
(33.90 ± 8.30/245.20 ± 60.03)
448.84 ± 90.16
(45.80 ± 9.20/331.27 ± 66.54)
26.46 ± 6.86
(2.70 ± 0.70/19.53 ± 5.06)
56.84 ± 11.76
(5.80 ± 1.20/41.95 ± 8.68)
89.18 ± 17.64
(9.10 ± 1.80/65.82 ± 13.02)
124.46 ± 24.50
(12.70 ± 2.50/91.86 ± 18.08) 7.35 ± 2.45
(0.75 ± 0.25/5.43 ± 1.80)
17.15 ± 5.39
(1.75
0.55/12.66
4.00)
36.75 ± 9.31
(3.75 ± 0.95/27.12 ± 6.87)
75.95 ± 15.19
(7.75 ± 1.55/56.06 ± 11.21)
116.13
23.03
(11.85 ± 2.35/85.71 ± 17.00)
169.54 ± 34.30
(17.30 ± 3.50/125.13 ± 25.32)
244.02 ± 49.00
(24.90 ± 5.00/180.10 ± 36.17)
337.12 ± 67.62
(34.40 ± 6.90/248.82 ± 49.41)
453.25 ± 90.65
(46.25 ± 9.25/334.53 ± 66.91)
570.36 ± 140.14
(58.20 ± 14.30/420.96 ± 103.43)
36.26 ± 8.82
(3.70 ± 0.90/26.76 ± 6.50)
70.56 ± 13.72
(7.20 ± 1.40/52.08 ± 10.13)
109.76 ± 21.56
(11.20 ± 2.20/81.01 ± 15.91)
161.70 ± 32.34
(16.50 ± 3.30/119.34 ± 23.87) -

23.52 ± 6.86
(2.40 ± 0.70/17.36 ± 5.06)
49.98 ± 12.74
(5.10 ± 1.30/36.89 ± 9.40)
94.57 ± 19.11
(9.65 ± 1.95/69.80 ± 14.10)
142.10 ± 28.42
(14.50 ± 2.90/104.88 ± 21.00)
199.92 ± 40.18
(20.40 ± 4.10/147.55 ± 29.66)
287.14 ± 57.82
(29.30 ± 5.90/211.93 ± 42.67)
395.92 ± 79.38
(40.40 ± 8.10/292.21 ± 58.59)
530.18 ± 105.84
(54.10 ± 10.80/391.30 ± 78.12)
691.88 ± 138.18
(70.60 ± 14.10/510.65 ± 101.99)
48.02 ± 11.76
(4.90 ± 1.20/35.44 ±8.68)
89.18 ± 17.64
(9.10 ± 1.80/65.82 ± 13.02)
133.28 ± 26.46
(13.60 ± 2.70/98.37 ± 19.53)
191.10 ± 38.22
(19.50 ± 3.90/141.04 ± 28.21)
An asterisk (*) indicates that the bolts are used for female threaded parts that are made of soft materials
such as casting. Those shown in parentheses in the strength class indicate the classification by the old
standard.
FLARE NUTS N ·m (kg ·m/lb ·ft)
Pipe diameter mm
(in) Torque Pipe diameter mm
(in) Torque
4.76 (0.187)
6.35 (0.250)
8.00 (0.315) 15.2 ± 2.45(1.55 ±0.25/11.2 ± 1.8)
26.48 ± 2.94(2.70 ± 0.30/19.5 ± 2.1)
44.14 ± 4.90(4.50 ± 0.50/32.5 ± 3.6) 10.00 (0.394)
12.00 (0.472)
15.00 (0.591) 53.95 ± 4.90(5.50 ± 0.5 /39.7 ± 3.6)
88.29 ± 9.80(9.00 ± 1.0/65.0 ± 7.2)
105.45 ± 12.26(10.75 ± 1.25/77.7 ± 9.0)

ENGINE MECHANICAL 6A – 9

SPECIAL PARTS FIXING NUTS AND BOLTS
Cylinder Head Cover, Cylinder Head, and Rocker Arm Shaft Bracket
N·m (kg·m/lb·ft)



RTW46AXF000501

6A – 10 ENGINE MECHANICAL
Crankshaft Bearing Cap, Connecting Rod Bearing Cap, Crankshaft Damper Pulley,
Flywheel, and Oil Pan
N·m (kg·m/lb·ft)





RTW36AXF000101

ENGINE MECHANICAL 6A – 11
Timing Gear Case, Pulley Housing, Timing Gear, and Camshaft
N·m (kg·m/lb·ft)






RTW46AXF000601

6A – 12 ENGINE MECHANICAL
Cooling and Lubricating System
N·m (kg·m/lb·ft)





RTW46AXF000701

ENGINE MECHANICAL 6A – 13
Intake Manifold (4JA1TC / 4JH1TC)
N·m (kg·m/lb·ft)




RTW36AXF000201

6A – 14 ENGINE MECHANICAL
EGR Valve, EGR Pipe, EGR Cooler




RTW46AXF000801

ENGINE MECHANICAL 6A – 15
Exhaust Manifold, and Turbocharger (4JA1L)




RTW46AXF000901

6A – 16 ENGINE MECHANICAL
Exhaust Manifold, and Turbocharger (4JA1TC/4JH1TC)
N·m (kg·m/lb·ft)





RTW46AXF001001