Komatsu TB45 Service Manual

SERVICE MANUAL
SM208
TB45E(CARB2010)-BE1
CX50 Forklift Truck, EPA/CARB 2010 Compliant
FG40Z/35/40/45/50A-10
S/N 134756~
TB45 GASOLINE
ENGINE (ECU)
WARNING
Read and observe all warnings on this unit before operating it. DO NOT operate this equipment unless all factory-installed guards and shields are properly secured in place.
ISSUED: JUNE 2011
PRECAUTIONS FOR SAFETY AND QUALITY
PRECAUTIONS FOR SAFETY AND QUALITY
Description
Observe the following precautions for safe and proper maintenance.
Only qualified and appointed persons shall inspect, repair, or adjust the vehicle.
Keep the workplace and tools clean.
Safe Work
Do not run the engine in a place which has no exhaust ducts and which is poorly ventilated.
Ventilate the workplace well and do not place a combustible thing there. Take extreme care when handling a combustible thing or a hazardous material such as gasoline.
Dispose of the replaced oil, parts washing oil, etc. according to laws.
When working on parts which become hot, rotary parts, or sliding parts, take care not to burn or injure yourself.
When working in a pit or a closed place, ventilate it to discharge
EGM0043
harmful materials in advance.
Do not work on the vehicle jacked up. When working on it, support it by the specified parts on wood blocks, etc.
When lifting up the vehicle, support it by the specified parts and apply a safety device.
When removing a heavy part such as the engine, vehicle body, etc. take care not to drop it by unbalancing it.
Do not smoke while maintaining the vehicle.
When maintaining the vehicle, take off rings and necklace to prevent a short circuit in the electrical system.
EGM0044
EGM0045
EGM0046
Before starting repair which does not need the battery power, turn the key switch OFF and disconnect the negative (–) terminal of the battery.
Take care not to touch the hot metal parts just after stopping the engine. While the engine is still hot, do not remove the radiator cap or another part of the coolant system.
Use the specified proper common tools or special tools for safe and efficient repair.
EG-2
PRECAUTIONS FOR SAFETY AND QUALITY
Correct Work
Grasp the contents of each trouble, and then troubleshoot and work efficiently.
When removing and disassembling parts, check their normal assembly condition in advance. Make match marks on places which do not affect the function, if necessary.
If an oil seal, gasket, packing, O-ring, lock washer, cotter pin, self-lock nut, etc. are removed, replace them according to the directions in their sections (Parts which must not be reused).
When a tapered roller bearing or a needle roller bearing needs to be replaced, replace its inner race and outer race as a set.
Arrange the removed parts in order so that they will not be mixed up.
Before checking or assembling the disassembled parts, clean them.
When replacing a part, install a NISSAN genuine part.
Use the specified oil, grease, sealant, etc.
Before removing a pressurized pipe, hose, etc., release the pressure.
After repairing the fuel, oil, coolant, exhaust, or vacuum system, check it for leakage securely.
Precautions for Radio Equipment Installation
Check the following when installing a commercial/ham radio or mobile phone. If mounting position is not chosen carefully, the unit may interfere with the electronic control system.
Separate the antenna as far from the ECM as possible.
Route an antenna feeder line at least 20 cm (7.87 in) apart from the control unit harness.
Adjust an antenna and feeder line to eliminate radio wave interference.
EG-3
HOW TO READ THIS MANUAL
HOW TO READ THIS MANUAL
Outline
This chapter explains how to read the procedures of "removal, disassembly, assembly, inspection, and adjustment" and "trouble­shooting".
Definition of Terms
CAUTION:
An item or a work procedure, neglect of which can cause a death or a serious injury if neglected.
An item or a work procedure to be observed especially among those, neglect of which can cause an injury, an accident, or a damage of the vehicle or component parts.
Reference : Supplementary explanation for the ease of work. Standard value : Permissible deviation of a value at inspection or
adjustment.
Limit value : The maximum or minimum which a value must not
exceed at inspection or adjustment.
Definition of Units
In this manual, tightening torque, pressure, etc. are indicated by the "SI unit" (International unit) first, then by the "metric unit) in { }. Example) Tightening torque: 59 - 78 Nm {6.0 - 8.0 kgf•m}
SI unit {Metric unit}
CONVERSION OF MAJOR UNITS
Quantity SI unit Conventional unit Coefficient of conversion into SI
Acceleration
Torque and moment Nm kgf•m 9.80665
Force N kgf 9.80665
Pressure MPa
Power/Power efficiency kW PS 0.735499
Vol um e
Spring constant N/mm kgf/mm 9.80665
Fuel consumption g/kW•h(*1) g/PS•h 1.3596
2
m/s
kPa mmHg 0.133322
W kcal/h 1.16279
3
cm
G 9.80665
2
kgf/cm
cc 1
*1. Conventional unit may be used in SI.
0.09809665
EG-4
HOW TO READ THIS MANUAL
Description
CAUTION : At the beginning of each section, the precautions
exclusive to the section are described.
Preparation: At the beginning of each section and during the trouble
diagnosis items, the SSTs, gauges, and other tools to be prepared before operation are described. Some commercial service tools, assumed to be available in any workshop, are omitted.
Description : To perform correct operations, operational procedures,
notes, SSTs, and other service information are described.
CAUTION : Descriptions of visual inspections and cleaning of
removed parts are generally omitted. Please remember that actual operations require these processes.
Component Parts Location
The "Component Parts Location" diagram (refer to the figure) includes information for removal, installation, disassembly, and assembly (tightening torque, grease points, non-reusable parts) as well as other information important for repair work.
EGM0097
EG-5
HOW TO READ THIS MANUAL
Component Parts Location (Cont'd)
COMPONENT SYMBOLS
EG-6
TROUBLE DIAGNOSIS
TROUBLE DIAGNOSIS
ECM Trouble Diagnosis
CAUTION:
The following trouble diagnosis procedures are designed to identify the trouble causes efficiently. When performing diagnoses, carefully observe the following instructions.
Before starting a trouble diagnosis, carefully read and understand the contents in "Basic Inspection", "Diagnosis Chart by Symptom" and "Trouble Diagnosis Flowchart".
After the repair work, always verify that the trouble is eliminated.
For the locations of the parts and harness connectors, refer to "Component Parts Location" in the relevant section.
To perform a simple inspection, utilize the circuit diagrams. To inspect the circuit for continuity in details including the sub-harnesses, identify the relevant connectors and harness layouts referring to the "Wiring Diagrams".
Before inspecting a circuit for continuity, always turn the ignition switch to OFF.
Before measuring voltage at a connector, always measure the battery voltage.
After finishing diagnoses or inspections, always ensure that all removed harness connectors are reconnected correctly.
EG-7
TROUBLE DIAGNOSIS
ECM Trouble Diagnosis (Cont'd)
SYMBOLS
EG-8
TROUBLE DIAGNOSIS
ECM Trouble Diagnosis (Cont'd)
SYMBOLS FOR HARNESS CONNECTOR
FEMALE CONNECTOR
When a harness connector is viewed from A (terminal side), the outer frame of the connector symbol is indicated with a single line. In addition, the direction indicator shows "TS" (Terminal Side) in description type font.
EGM0050
When a harness connector is viewed from B (harness side), the outer frame of the connector symbol is indicated with double lines. In addition, the direction indicator shows "HS" (Harness Side) in description type font.
Terminal assignments of a connector viewed from A and B are mirror images, indicating just as they are seen.
EGM0051
EGM0052
MALE CONNECTOR
The illustration method is the same as that for a female connector, the black guide box, however, indicates a male connector (the white guide box a female connector).
SINGLE UNIT (CONTROL UNIT)
A single control unit is viewed only from A, and the illustration is as shown in the figure.
EGM0053
EG-9
TROUBLE DIAGNOSIS
ECM Abbreviations List
Abbreviations Description Abbreviations Description
A/C Air conditioner INT Intake
A/T Automatic transmission LH Left
ALT Alternator LED Light emitting diode
ASSY Assembly LLC Long-life coolant
BAT Battery M/T Manual transmission
C/P Crankshaft pulley OHV Overhead valve
C/U Control unit OS Oversize
Cyl Cylinder P/S Power steering
ENG Engine PTO Power take-off
EXH Exhaust RH Right
F/L Fusible link RR Rear
FR Front TAS Throttle adjust screw
I/P Idler pulley Tr Transistor
IGN Ignition US Undersize
EG-10
ECM GENERAL SERVICE INFORMATION
ECM GENERAL SERVICE INFORMATION
Connector Terminal Inspection
CONNECTOR INSPECTION PROCEDURE
In circuit inspection, inappropriate connector probing will cause connector damages and/or poor connection. The probes provided with the circuit tester may be too large to probe connector terminals without damaging them. Always use alligator clips and "T" pins according to following the procedure.
INSPECTION FROM HARNESS SIDE
For a standard connector without any waterproofing, use "T" pins from the harness side.
CAUTION:
For a connector with a rear cover, such as ECM connectors, remove the rear cover before the inspection.
For a waterproof connector, do not probe the terminals from the harness side. Doing so may damage the seal.
EGM0054
INSPECTION FROM TERMINAL SIDE
1. Female terminal
Female connector terminals have a small notch difference inside. Insert a "T" pin along the step to inspect.
EGM0055
EGM0056
CAUTION: Do not insert any objects to a female connector terminal other than the corresponding male connector terminal.
In case of a female connector terminal without any notches,
remove the retainer before probing.
EG-11
ECM GENERAL SERVICE INFORMATION
Connector Terminal Inspection (Cont'd)
2. Male terminal For a male connector terminal, apply a "T" pin to the surface of the terminal.
CAUTION:
Do not bend terminals.
EGM0057
Inspection for Electrical System
DESCRIPTION
If the malfunction can be traced directly to the electrical system, first check for items such as burned-out fuses and fusible links, broken wires or loose connectors, pulled-out terminals, and improper connections.
If a fuse or a fusible link is blown out, determine the possible cause and restore it. Always replace it with a new fuse or fusible link of the specified capacity.
When removing a connector, do not apply excessive force to the main body by grasping and twisting.
Do not pull a connector off by tugging on the harness.
For a lock-type connector, disengage its lock first, then disconnect the connector by holding the main body of the connector.
EGM0058
EGM0059
Before connecting a connector, check terminals for bends or breakage. Connect it securely.
For a lock-type connector, press it until its lock is securely engaged.
When installing parts, prevent harnesses from being snagged or overextended.
EG-12
ECM GENERAL SERVICE INFORMATION
Control Unit and Electronic Component
PRECAUTIONS
Never reverse polarity of battery terminals.
Install only parts specified for each model.
Before replacing a control unit, check input and output signals to/from the control unit, and component functions.
When disconnecting a connector, do not twist or apply excessive force.
For a bolt-type connector, loosen the bolt first, then hold the main body of the connector to disconnect.
Before connecting a connector, check terminals for bends or breakage. Connect it securely. For a bolt-type connector, screw in the bolt until the colored lug is flush with the surface to be sure it is securely connected.
Do not drop, hit, or subject control units to impact.
Be sure to protect control units from condensation caused by a sudden shift in temperature, or from raindrops or splashes. If any water drops adhere to the unit, dry it well prior to installation.
Be sure to protect control unit connectors from oil.
Avoid cleaning control units with benzine.
Do not open a top or bottom cover on a control unit.
EGM0062
EGM0063
When using a circuit tester, ensure the appropriate distance between test probes. A longer distance is recommended, because if the distance is too short, it may cause contact of the test probes, resulting in a short circuit. A short circuit allows battery voltage to be applied directly to the control unit, resulting in damage to its internal power transistors.
Use the specified check adapter to check input and output signals to/from control units.
EG-13
ECM GENERAL SERVICE INFORMATION
SST
DESCRIPTION
SST is a small, lightweight handheld tester. When connected to the vehicle-side data link connector, it communicates with control units installed on the vehicle and performs a variety of diagnostic tests.
FUNCTION AND APPLIED SYSTEM
Items Function
WORK SUPPORT Sends command to control unit to set status suitable for inspection and service.
FUNCTION SYSTEM Checks each system as ECM basic inspection.
SELF-DIAG RESULTS Receives self-diagnostic results from control unit and indicates DTCs and number of occurrences.
SELF-DIAG RESULTS [MEMORY]
DATA MONITOR Receives input/output signals from control unit and indicates and stores them to facilitate locating cause of
DATA MONITOR [SPEC]
Active test Sends command to control unit to change output signals and check operation of output system.
DTC RECORD DISPLAY Indicates self-diagnostic results stored in ECM prior to the most recent "ERASE MEMORY".
Control unit part No. Displays control unit part number.
Control unit identification No. Displays control unit identification number.
DTCs (Diagnostic Trouble Codes) recorded in control unit's memory are displayed.
malfunctions.
Diagnostic systems Engine
WORK SUPPORT {
SELF-DIAG RESULTS {
SELF-DIAG RESULTS [MEMORY]
DATA MONITOR {
DATA MONITOR [SPEC] {
Active test {
DTC RECORD DISPLAY
Control unit part No. {
Control unit identification No.
EG-14
PRECAUTIONS FOR WORK
PRECAUTIONS FOR WORK
Precautions for Draining Coolant
Drain the coolant after its temperature lowers sufficiently.
Precautions for Separating Fuel Piping
Work in a place where there is nothing to start a fire.
Release the fuel pressure in advance.
After separating the fuel piping, plug it to prevent the fuel from flowing out.
Precautions for Removal and Disassembly
If specified, use correct special tools and pay attention. Do not apply an excessive force.
Take extreme care not to lower the accuracy of the mating faces, sliding faces, etc.
If necessary, cover the openings with tapes, etc. to prevent foreign matter from entering the engine.
Make marks on the removed parts and arrange them for secure troubleshooting and assembly.
As a rule, loosen the bolts and nuts from outside in the diagonal direction. If the loosening order is specified, observe it.
Precautions for Checking, Repairing, and Replacing Parts
Before repairing or replacing parts, check them sufficiently according to the check procedure. Check the new parts similarly and replace them if necessary.
Precautions for Assembling and Installing Parts
When tightening the bolts and nuts, be sure to use torque wrenches.
As a rule, tighten the bolts and nuts from inside to outside in the diagonal direction in 2 – 3 times. If the tightening order is specified, observe it.
Replace the gaskets, packings, oil seal, and O-rings with new ones.
Clean each part and dry it by blowing compressed air against it. In particular, take care that the oil passages and coolant passages will not be clogged.
Take care not to damage the sliding surfaces and mating faces, and remove all dirt, lint, etc. from them. Apply sufficient oil to the sliding surface before assembling.
If the coolant is drained, bleed air from the coolant system.
After repairing, run the engine at high speed and check for leakage of the coolant, fuel, oil, grease, and exhaust gas.
EG-15
PRECAUTIONS FOR WORK
Precautions for Using Power Tools
Use power tools such as an air runner for disassembly only. Do not use them for assembly.
Precautions for Applying Gasket Sealant
SEPARATION OF PARTS COATED WITH GASKET SEALANT
After removing the mounting bolts and mounting nuts, cut and remove the gasket sealant with seal cutter (special tool KV101-
11100) according tothe following procedure. [1] Drive in the seal cutter in the direction of the arrow. [2] Slide the seal cutter in the direction of the arrow. [3] Slide the seal cutter in the direction of the arrow.
CAUTION:
Take care not to damage the mating faces.
If it is difficult to use the seal cutter, remove the gasket
EGM0066
sealant by hitting it lightly with a plastic hammer.
CAUTION: If it is obliged to use a flat-head screwdriver, take extreme care not to damage the mating faces.
EGM0067
EGM0068
PROCEDURE FOR APPLYING GASKET SEALANT
1. Remove the old gasket sealant sticking to the mating faces with
scraper.
Remove all the gasket sealant from the grooves, mounting bolts, and bolt holes, too.
2. Wipe the mating faces with isoparaffin, etc. to remove water, oil, grease, and foreign matter.
3. Install the genuine gasket sealant to tube presser (common tool).
4. Apply the gasket sealant to the specified parts and dimensions without breaking it.
Apply the gasket sealant to the grooves, too, if specified so.
As a rule, apply the gasket sealant to the inside of the bolt
holes. The outside of the bolt holes may need to be coated with the gasket sealant, however. Accordingly, refer to the manual without fail.
Install the parts within 5 minutes after applying the gasket
sealant.
Wipe off the projected gasket sealant immediately.
Do not retighten the bolts after installing the parts.
After installing the parts, wait at least 30 minutes before
supplying engine oil or coolant.
CAUTION:
If a direction is given in the manual, observe it.
EG-16
PRECAUTIONS FOR WORK
Parts Which Need to be Tightened by Angle Tightening Method
Use angle wrenches (special tools) to tighten the following parts.
Cylinder head bolt Check that the cylinder head, cylinder block mounting face, and cylinder head gasket are free from oil and dirt, and then coat the threads and stem of the cylinder head bolt and tighten it.
EG-17
Seal cutter
KV1011 11100
Ring gear stopper
KVl101 056S0
1 Adapter
KV101 05630
2 Stopper plate
KV101 05610
Oil seal drift
KV101 04900
Angle wrench
KV101 12100
PREPARATION
PREPARATION
Special Service Tools Special Service Tools (Cont'd)
Description Application Remarks
Removing parts attached with liquid gasket
EGM0069
Removing and installing crankshaft pulley
EGM0070
Installing front oil seal
EGM0071
Checking tightening angle
1. Valve spring compressor KV101 09210
2. Adapter KV101 11200
Valve oil seal puller
KV101 07901
Valve oil seal drift
KV101 13000
Already established
EGM0072
Removing and installing valve collet
EGM0073
Removing valve oil seal
EGM0074
Installing valve oil seal
EGM0075
EG-18
Engine stand assembly
ST0501 S000
Engine attachment
KV101 06500
Engine sub-attachment
KV111 04800
Camshaft bushing tool set
KV111 045S0
1. Bar KV111 04510
2. Guide plate KV111 04520
3. Adapter KV111 04530
4. Drift ST1524 3000
Pulley puller
KV111 03000
PREPARATION
Special Service Tools (Cont'd)
Description Application Remarks
Overhauling engine
EGM0076
EGM0077
Already established
EGM0078
Removing and installing camshaft bushing
EGM0079
Removing crankshaft pulley. Already established
Oil filter wrench
KV101 15801
EGI fuel pressure indicator
ST1959 0000
EGM0080
Removing oil filter Already established
EGM0081
For measuring fuel pressure gauge
EGM0082
EG-19
Heated oxygen sensor wrench
KV101 13700
Maintenance tool
1. DIAGNOSIS KIT SKVEE GY010
2. SOFT WARE SKVEE GY100
Check adapter V
EG1755 0000 (for SMJ 150-pin connector)
Harness adapter
EG1755 0200 (150-pin to 121-pin conversion adapter)
PREPARATION
Special Service Tools (Cont'd)
Description Application Remarks
Removing and installing heated oxygen sensor
EGM0083
For system inspection and diagnosis
For control unit input/output signal inspection
EGM0084
For molding coil Adapter harness
EG101 17500
EGM0085
Checking engine speed
EGM0086
Service Parts
Piston oversize
0.5 mm (0.020 in) OS [0.5 mm (0.020 in) oversize]
1.0 mm (0.039 in) OS [1.0 mm (0.039 in) oversize]
Main bearing undersize
Unit: mm (in)
Size Thickness
STD 2.000 (0.0787)
US 0.25 (0.0098) 2.125 (0.0837)
US 0.50 (0.0197) 2.250 (0.0886)
US 0.75 (0.0295) 2.375 (0.0935)
US 1.00 (0.0394) 2.500 (0.0984)
EG-20
Refer to the following notes for values in ( ).
Engine system inspection (except LPG fuel systems)
No. Inspection items
1 Intake/exhaust valve clearance
Electronic controls
2 Engine drive belt tension Electronic
3 Engine oil Electronic
4 Oil filter Electronic
5 Engine coolant Electronic
6 Air cleaner element Electronic
7 Ignition timing Electronic
8 Spark plug Electronic
9 Distributor Electronic
10 PCV valve Electronic
11 PCV hose Electronic
Applicable
control
system
Electronic controls
controls
controls
controls
controls
controls
controls
controls
controls
controls
controls
SERVICE DATA
SERVICE DATA
Periodical Inspection
To maintain the initial performance of the KOMATSU FORKLIFT, make sure to perform appropriate maintenance and service work.
PERFORM INSPECTION
Make sure to perform the periodical inspections at the appropriate times, according to the month basis or the operating hour basis, whichever comes first.
Months of
use
Operation
hours
(x 100 hours)
(1) RRRRRRRRRRRR...R
(1) R R R R R ... R
(1) I I I I ... I
123456789101112...18
2 4 6 8 1012141618202224 ... 36
AAAAA...A
IIIIIIIIIIII...I
R...
CCCCCRCCCCCR...R
AAAAAAAAAAAA...A
IIIIIIIIIIII...R
C...
IIII...I
EG-21
SERVICE DATA
Periodical Inspection (Cont'd)
No. Engine system inspection (LPG models)
1 Gas leakage from piping and piping
joints
2 Damage to piping and piping joints Electronic
3 Tar in vaporizer Electronic
4 Injection nozzle Electronic
5 LPG filter Electronic
CAUTION:
If the vehicle is being used in dusty and dirty environments, the maintenance work should be performed more frequently.
After replacing the LPG tank, apply soapsuds to the piping joints to check for any gas leakage. Meanings of symbols: I = Inspection. Repair or replace if necessary.
R = Replacement A = Adjustment C = Cleaning D = Draining T = Tightening (Retightening)
Electronic controls
controls
controls
controls
controls
(2) IIIIIIIIIIII ...I
IIIIIIIIIIII ...I
DDDDDDDDDDDD ...D
IIIII...I
CCCR...C
EG-22
SERVICE DATA
Standard, Repair Limit
Fuel in use Gasoline specification Lead-free regular gasoline with an octane value of 91 or more
LPG specification 20-100P
Engine weight (without water, with oil) kg (lb) Approx. GAS, LPG:301’, DUAL:302’
Firing order 1 - 5 - 3 - 6 - 2 - 4
Compression pressure
kPa (bar, kgf/cm
Distortion limit mm (in) Intake manifold 0.2 (0.008)
Engine oil amount l (Imp qt) (SL class)
Spark plug Manufacturer/type/gap mm (in) NGK/BPR4ES-D/0.8 - 0.9 (0.031 - 0.035)
Resistance on high-tension cable (k:) #1: Approx. 2.7 #2: Approx. 2.8 #3: Approx. 4
Ignition advance device Electronically controlled ignition advance
Onboard idle speed (rpm) 750 r 50
Onboard idling pace speed (When feedback control is stopped) (rpm) 750
Density of CO at idle speed/Density of HC at idle speed (%/ppm) 0.1 or less/50 or less
Ignition timing (When feedback control is stopped) (BTDCq/rpm) 10 r 2/750
Valve clearance mm (in) INT/EXH Hot 0.35 (0.0138)/0.35 (0.0138)
Thermostat opening valve temperature (Start - Full open) qC (qF) 82 - 95 (180 - 203)
Engine drive belt deflection New belt After adjustment Limit
[Measured by pressing with 98 N (10 kg, 22 lb)] mm (in)
2
, psi)/rpm
Standard 1,187 (11.87, 12.1, 172)/200
Repair limit 892 (8.92, 9.1, 129)/200
Difference limit among cylinders 98 (0.98, 1.0, 14)/200
Exhaust manifold
Cylinder head 0.2 (0.008)
Cylinder block 0.1 (0.004)
When replacing oil only Approx. 8.3 (7-1/4)
When replacing oil and filter Approx. 8.6 (6-5/8)
#4: Approx. 5 #5: Approx. 5.2 #6: Approx. 6.1
Alternator belt/Fan belt 10 - 12
(0.39 - 0.47)
0.3 (0.012)
13 - 15
(0.51 - 0.59)
16 (0.63)
EGM0098
EG-23
SERVICE DATA
Tightening Torque
STANDARD BOLT TIGHTENING TORQUE
<Hexagon head> <No lubrication> Unit: N•m (kg-m, ft-lb)
N•m (kg-m, in-lb)*
Normal size
d
M3 0.5 0.6
M3.5 0.6 1.0
M4 0.7 1.5
M5 0.8 2.9
M6 1.0 5.0
M8 1.25 12.7
M10 1.5 24.5
M12 1.75 42.2
M14 1.5 73.6
M16 1.5 108
M18 1.5 167
M20 1.5 226
M22 1.5 304
Pitch
P
1.0 13.7
1.25 25.5
1.25 46.1
Non-flanged
bolt
(0.06, 5)*
(0.10, 9)*
(0.15, 13)*
(0.30, 26)*
(0.51, 44)*
(1.3, 9.4)
(1.4, 10)
(2.5, 18)
(2.6, 19)
(4.3, 31)
(4.7, 34)
(7.5, 54)
(11, 80)
(17, 123)
(23, 166)
(31, 224)
4T 7T 9T
Flanged bolt Non-flanged bolt Flanged bolt
0.7
(0.07, 6)*
1.2
(0.12, 10)*
1.7
(0.17, 15)*
3.5
(0.36, 31)*
6.0
(0.61, 53)*
14.7
(1.5, 10.8)
15.7
(1.6, 12)
29.4
(3.0, 22)
30.4
(3.1, 22)
51
(5.2, 38)
55.9
(5.7, 41)
87.3
(8.9, 64)
137
(14, 101)
196
(20, 145)
275
(28, 203)
363
(37, 268)
1.1
(0.11, 10)*
1.7
(0.17, 15)*
2.5
(0.25, 22)*
5.0
(0.51, 44)*
8.4
(0.86, 75)*
20.6
(2.1, 15)
21.6
(2.2, 16)
41.2
(4.2, 30)
43.1
(4.4, 32)
70.6
(7.2, 52)
77.5
(7.9, 57)
127
(13, 94)
186
(19, 137)
275
(28, 203)
382
(39, 282)
510
(52, 376)
1.3
(0.13, 11)*
2.1
(0.21, 18)*
2.9
(0.30, 26)*
5.9
(0.6, 52)*
10
(1.0, 87)*
24.5
(2.5, 18)
26.5
(2.7, 20)
49
5, 36)
(
51
(5.2, 38)
84.3
(8.6, 62)
92.2
(9.4, 68)
147
(15, 108)
226
(23, 166)
324
(33, 239)
451
(46, 333)
608
(62, 448)
Non-flanged
bolt
1.6
(0.16, 14)*
2.5
(0.25, 22)*
3.5
(0.36, 31)*
7.2
(0.73, 63)*
11.8
(1.2, 8.7)
29.4
(3.0, 22)
31.4
(3.2, 23)
58.8
(6.0, 43)
61.8
(6.3, 46)
98.1
(10, 72)
108
(11, 80)
177
(18, 130)
265
(27, 195)
392
(40, 289)
549
(56, 405)
736
(75, 542)
Flanged bolt
1.9
(0.19, 16)*
2.8
(0.29, 25)*
4.2
(0.43, 37)*
8.5
(0.87, 76)*
14.7
(1.5, 10.8)
35.3
(3.6, 26)
37.3
(3.8, 27)
69.6
(7
.1, 51)
73.6
(7.5, 54)
118
(12, 87)
137
(14, 101)
206
(21, 152)
324
(33, 239)
471
(48, 34)
657
(67, 485)
883
(90, 651)
CAUTION:
Except special parts.
The bolt applicable to the list has the following number embossed on the head. Model Number 4T ... 4 or none 7T ... 7 9T ... 9
CAUTION FOR USE OF POWER TOOLS
Do not use any power tools (e.g. air ratchet, impact wrench) to tighten the bolts and nuts. Use these tools only for loosening the bolts and nuts. However, do not use power tools in any event and for any purposes on the parts subject to heat (catalyst, muffler, and other exhaust parts) and the tapping screws. These parts may also be damaged when loosened with a power tool.
EG-24
SERVICE DATA
Tightening Torque (Cont'd)
MAIN TIGHTENING TORQUE
* : Parts with tightening sequence
1) - :Tighten separately in several turns. Unit :N•m (kg-m, ft-lb)
N•m (kg-m, in-lb)*
Parts name or location Tightening torque
Adjusting screw Lock nut 16 - 22 (1.6 - 2.2, 12 - 16)
AlternatorAdjusting bar side Bracket side
Oil pan drain plug 54 - 59 (5.5 - 6.0, 40 - 43)
Spark plug 20 - 29 (2.04 - 2.96, 14 - 22)
* Intake manifold 15.7 - 18.6 (1.6 - 1.9, 12 - 14)
* Air horn 20.6 - 26.5 (2.1 - 2.7, 16 - 27)
Exhaust manifold cover 6.37 - 7.45 (0.65 - 0.76, 56 - 66)*
* Exhaust manifold 27 - 31 (2.8 - 3.2, 20 - 23)
Exhaust manifold connector 59 - 78 (6.0 - 8.0, 43 - 58)
* Oil pan [M6]
[M8]
Oil strainer 16 - 19 (1.6 - 1.9, 12 - 14)
* Rocker cover 1.0 - 2.9 (0.1 - 0.3, 9 - 26)*
Rocker shaft bracket 15.6 - 21.6 (1.6 - 2.2, 12 - 16)
* Cylinder head bolt 1) 29.4 (3, 22)
Cylinder head additional bolt 6.4 - 7.5 (0.65 - 0.76, 56 - 66)*
Crankshaft pulley 181 - 191 (18.5 - 19.5, 134 - 141)
* Front cover 15.7 - 20.6 (1.6 - 2.1, 12 - 15)
Camshaft sprocket 132.3 - 142.1 (13.5 - 14.5, 98 - 105)
Chain tensioner 5.6 - 8.4 (0.57 - 0.86, 49.5 - 74.7)
Distributor 9.35 - 11 (0.95 - 1.1, 82 - 95)*
Camshaft locating plate 5.6 - 8.4 (0.57 - 0.86, 49.5 - 74.7)
* Flywheel 146 - 167 (15 - 17, 108 - 123)
* Main bearing cap 162 - 172 (16.5 - 17.5, 119 - 127)
Connecting rod nut 1) 38 - 40 (3.9 - 4.1, 28 - 30)
Engine coolant drain plug 34 - 44 (3.5 - 4.5, 25 - 33)
Water pump 15.7 - 18.6 (1.6 - 1.9, 12 - 14)
Engine coolant temperature sensor 20 - 29 (2.0 - 3.0, 14 - 22)
PCV valve 20 - 29 (2.0 - 3.0, 14 - 22)
* Fuel tube 1) 9.3 - 20.6 (0.9 - 2.1, 78 - 182)*
Starter motor 41.2 - 52 (4.2 - 5.3, 30 - 38)
Heated oxygen sensor 1 40 - 60 (4.1 - 6.1, 30 - 44)
17.5 - 23.7 (1.8 - 2.4, 13 - 17)
50.0 - 67.6 (5.1 - 6.9, 37 - 50)
6.3 - 8.3 (0.64 - 0.85, 56 - 74)*
15.7 - 20.6 (1.6 - 2.1, 12 - 15)
2) 61.7 (6.3, 46)
3) 0 (0, 0)
4) 29.4 (3, 22)
5) 69q - 74q(Angle tightening)
2) 40q - 45q(Angle tightening)
2) 20.6 - 26.5 (2.1 - 2.7, 15 - 20)
EG-25
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