This maintenance manual provides instructions for maintaining DAEWOO DE series diesel engines, models DE12, DE12T, DE12TI, and DE12TIS. It describes the engine components and specifications. Proper maintenance like checking coolant concentration and fan belt tension are important to maintain optimum engine performance and durability. The manual explains maintenance procedures and includes symbols to indicate removal, installation, cleaning, and other service operations.
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Fiat Kobelco EX95W Mini Wheel Excavator Service Repair Manual.pdff8uejkkdmdm8u
This document provides safety precautions for operating an excavator. It outlines general safety rules such as reading the operator's manual, understanding safety signs, wearing proper protective equipment, keeping the operator compartment clear, and following rules for starting, operating, stopping and maintaining the machine. It emphasizes the importance of authorized and careful operation to prevent accidents.
Daewoo Doosan DE12TIS Diesel Engine Service Repair Manual.pdff8uejkkdmdm8u
This maintenance manual provides instructions for maintaining DAEWOO DE series diesel engines, models DE12, DE12T, DE12TI, and DE12TIS. It describes the engine components and specifications. Proper maintenance like checking coolant concentration and fan belt tension are important to maintain optimum engine performance and durability. The manual explains maintenance procedures and includes symbols to indicate removal, installation, cleaning, and other service operations.
Daewoo Doosan DE12T Diesel Engine Service Repair Manual.pdff8uejkkdmdm8u
This maintenance manual provides instructions for maintaining DAEWOO DE series diesel engines, models DE12, DE12T, DE12TI, and DE12TIS. It describes the engine components and specifications. Proper maintenance like checking coolant concentration and fan belt tension are important to maintain optimum engine performance and durability. The manual explains maintenance procedures and includes symbols to indicate removal, installation, cleaning, and other service operations.
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This maintenance manual provides instructions for maintaining Daewoo DE series diesel engines, including the DE12, DE12T, DE12TI, and DE12TIS models. It describes the engine components and specifications. The manual includes symbols to indicate maintenance tasks and safety instructions for preventing environmental damage when disposing of waste. It aims to help customers and distributors properly operate and maintain the engines to retain maximum performance over the long term.
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Fiat Kobelco SL30B Skid Steer Loader Service Repair Manual.pdff8uejkkdmdm8u
This document is a service manual for an SKID STEER LOADER. It contains safety precautions and instructions for servicing the loader. The safety section emphasizes operating the loader safely and preventing accidents by following basic safety rules. It lists 29 specific safety rules for operating and servicing the loader, such as wearing protective equipment, keeping bystanders away, and not allowing passengers. The document also includes an index of sections covering general information, engines, fuel systems, electrical components, power trains, hydraulics, mounted equipment, and schematics.
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This document provides safety precautions for operating an excavator. It outlines general safety rules such as reading the operator's manual, understanding safety signs, wearing proper protective equipment, keeping the operator compartment clear, and following rules for starting, operating, stopping and maintaining the machine. It emphasizes the importance of authorized and careful operation to prevent accidents.
Daewoo Doosan DE12TIS Diesel Engine Service Repair Manual.pdff8uejkkdmdm8u
This maintenance manual provides instructions for maintaining DAEWOO DE series diesel engines, models DE12, DE12T, DE12TI, and DE12TIS. It describes the engine components and specifications. Proper maintenance like checking coolant concentration and fan belt tension are important to maintain optimum engine performance and durability. The manual explains maintenance procedures and includes symbols to indicate removal, installation, cleaning, and other service operations.
Daewoo Doosan DE12T Diesel Engine Service Repair Manual.pdff8uejkkdmdm8u
This maintenance manual provides instructions for maintaining DAEWOO DE series diesel engines, models DE12, DE12T, DE12TI, and DE12TIS. It describes the engine components and specifications. Proper maintenance like checking coolant concentration and fan belt tension are important to maintain optimum engine performance and durability. The manual explains maintenance procedures and includes symbols to indicate removal, installation, cleaning, and other service operations.
Daewoo Doosan DE12 Diesel Engine Service Repair Manual.pdff8uejkkdmdm8u
This maintenance manual provides instructions for maintaining Daewoo DE series diesel engines, including the DE12, DE12T, DE12TI, and DE12TIS models. It describes the engine components and specifications. The manual includes symbols to indicate maintenance tasks and safety instructions for preventing environmental damage when disposing of waste. It aims to help customers and distributors properly operate and maintain the engines to retain maximum performance over the long term.
Crown TSP6000 Series Turret Order Picker Parts Catalogue Manual.pdff8uejkkdmdm8u
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2. Recommended safe maintenance practices such as properly ventilating work areas, using fire protection equipment, and disconnecting batteries before working on electrical systems.
3. Procedures for safely lifting, jacking, and blocking forklifts, including raising the drive wheels, upright, and entire truck to access components.
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Clark EPX 16-20S Forklift Service Repair Manual.pdff8uejkkdmdm8u
This document provides instructions for safely maintaining electric forklifts. It discusses:
1. Identifying safety signs and messages and outlining safe maintenance practices such as blocking the wheels before working under the truck.
2. Procedures for lifting parts of the truck, including raising the drive wheels, chaining the upright, and jacking the rear or entire truck.
3. Instructions for securely tying down the truck for shipping.
Clark CMP 60 Forklift Service Repair Manual.pdff8uejkkdmdm8u
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Clark CMP 50 Forklift Service Repair Manual.pdff8uejkkdmdm8u
This document is the service manual for Clark Material Handling Company's CMP50/60/70 trucks. It contains safety instructions for maintaining the trucks, including raising them on blocks, disconnecting batteries, and checking for fuel and electrical system issues. The manual is arranged by topic groups and sections, and each page includes identifiers for the specific group, section and page.
Caterpillar Cat D400E II EJECTOR TRUCK (Prefix APF) Service Repair Manual (AP...f8uejkkdmdm8u
This document provides instructions for removing and installing inlet and exhaust valves, valve guides, valve seat inserts, and the engine oil filter base on a D400E II Ejector Truck with a 3406E engine. The procedures describe draining fluids, using various specialty tools to compress springs, extract components, and properly position replacement parts. Safety notices warn of risks such as being struck by propelled parts and ensure contaminants are avoided.
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This document provides instructions for disassembling a piston pump used in Caterpillar articulated trucks. The pump is removed from the machine and various internal components are then dismantled. These components include pressure and flow compensator valves, springs, seals, pistons, housings and other parts. Detailed illustrations accompany each step to show how to access and remove each individual piece using the specified tools. Safety precautions are also provided to prevent injury from parts under pressure.
Caterpillar Cat 336F L Excavator (Prefix YFD) Service Repair Manual (YFD00001...f8uejkkdmdm8u
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Caterpillar Cat 336F L Excavator (Prefix LCL) Service Repair Manual (LCL00001...f8uejkkdmdm8u
This document provides disassembly instructions for a 336F and 336F L excavator travel motor. It outlines 27 steps to fully disassemble the travel motor, including removing the head, springs, pistons, barrel assembly, swashplate, and other internal components. Various tools are required, and technicians are warned to contain fluids and watch for released spring forces during disassembly. The detailed illustrations and part numbers aid in correctly reassembling the travel motor.
Caterpillar Cat 336F L Excavator (Prefix DSW) Service Repair Manual (DSW00001...f8uejkkdmdm8u
This document provides instructions to disassemble a travel motor on an excavator model 336F L. It outlines 27 steps to fully disassemble the travel motor. These include removing the motor head assembly, springs, pistons, seals, bearings, and other internal components. Detailed illustrations accompany each step to show how to properly remove parts and release spring forces. Protective equipment is recommended during disassembly due to potential for parts to be propelled.
This document provides instructions for disassembling the travel motor on a 336F excavator. It involves removing over 30 components in 27 steps, including the motor head assembly, piston assemblies, barrel assembly, springs, seals, and more. Tools required include bolts, nuts, washers, threaded rods, eyebolts, various drivers, pullers, pliers and stands to safely remove and support components. Detailed illustrations are provided to identify each part and guide the disassembly process. Safety notices warn of potential spring forces and ensuring fluids are contained.
Clark TMX12-25 Forklift Service Repair Manual.pdff8uejkkdmdm8u
This document provides instructions for safely maintaining electric forklifts. It discusses:
1. Identifying safety signs and messages in the manual and on trucks to understand hazards and precautions.
2. Recommended safe maintenance practices such as properly ventilating work areas, using fire protection equipment, and disconnecting batteries before working on electrical systems.
3. Procedures for safely lifting, jacking, and blocking forklifts, including raising the drive wheels, upright, and entire truck to access components.
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This document provides lubrication information for a parts manual. It lists the recommended lubricants and their specifications for various components of the product. Grease type 2 is recommended for bearings and grease type 2-P for ball bearings. Mobilex 00-200 is suitable for lower operating temperatures, while Mobilex 005-200 is recommended for higher temperatures.
Clark CMP 70 Forklift Service Repair Manual.pdff8uejkkdmdm8u
This document provides safety instructions for lifting, jacking, and blocking a CLARK forklift truck during maintenance. It identifies approved lifting points on the truck and describes procedures for safely raising different parts of the truck, including the drive wheels, front with a hoist, and upright carriage. Workers are instructed to use blocking and wheel cradles, and cautioned to ensure any lifting equipment is rated for the truck's weight.
Clark EPX 16-20S Forklift Service Repair Manual.pdff8uejkkdmdm8u
This document provides instructions for safely maintaining electric forklifts. It discusses:
1. Identifying safety signs and messages and outlining safe maintenance practices such as blocking the wheels before working under the truck.
2. Procedures for lifting parts of the truck, including raising the drive wheels, chaining the upright, and jacking the rear or entire truck.
3. Instructions for securely tying down the truck for shipping.
Clark CMP 60 Forklift Service Repair Manual.pdff8uejkkdmdm8u
This document provides safety instructions for lifting, jacking, and blocking a CLARK forklift truck during maintenance. It identifies approved lifting points on the truck and describes procedures for safely raising different parts of the truck, including the drive wheels, front with a hoist, and upright carriage. Workers are instructed to use blocking and wheel cradles, and cautioned to ensure any lifting equipment is rated for the truck's weight.
Clark CMP 50 Forklift Service Repair Manual.pdff8uejkkdmdm8u
This document is the service manual for Clark Material Handling Company's CMP50/60/70 trucks. It contains safety instructions for maintaining the trucks, including raising them on blocks, disconnecting batteries, and checking for fuel and electrical system issues. The manual is arranged by topic groups and sections, and each page includes identifiers for the specific group, section and page.
Caterpillar Cat D400E II EJECTOR TRUCK (Prefix APF) Service Repair Manual (AP...f8uejkkdmdm8u
This document provides instructions for removing and installing inlet and exhaust valves, valve guides, valve seat inserts, and the engine oil filter base on a D400E II Ejector Truck with a 3406E engine. The procedures describe draining fluids, using various specialty tools to compress springs, extract components, and properly position replacement parts. Safety notices warn of risks such as being struck by propelled parts and ensure contaminants are avoided.
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Caterpillar Cat 336F L Excavator (Prefix YFD) Service Repair Manual (YFD00001...f8uejkkdmdm8u
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Caterpillar Cat 336F L Excavator (Prefix LCL) Service Repair Manual (LCL00001...f8uejkkdmdm8u
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This document provides instructions for disassembling the travel motor on a 336F excavator. It involves removing over 30 components in 27 steps, including the motor head assembly, piston assemblies, barrel assembly, springs, seals, and more. Tools required include bolts, nuts, washers, threaded rods, eyebolts, various drivers, pullers, pliers and stands to safely remove and support components. Detailed illustrations are provided to identify each part and guide the disassembly process. Safety notices warn of potential spring forces and ensuring fluids are contained.
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Ever been troubled by the blinking sign and didn’t know what to do?
Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
2. DE12/T/TI/TIS
MAINTENANCE MANUAL
Printed in Mar. 2001 PS-MMA0507-E1A
FOREWORD
This maintenance manual is designed to serve as a reference for DAEWOO Heavy
Industries Ltd's (here after DAEWOO’s) customers and distributors who wish to gain basic
product knowledge on DAEWOO's DE series diesel engines (DE12, DE12T, DE12TI and
DE12TIS)
These economical and high-performance diesel engines (6 cylinders, 4 strokes, in-line, direct
injection type) have been so designed and manufactured to be used for overland transport
industrial purpose. That meets all the requirements such as low noise, fuel economy, high
engine speed, and durability.
To maintain the engine in optimum condition and retain maximum performance for a long
time, CORRECT OPERATION and PROPER MAINTENANCE are essential.
In this manual, the following symbols are used to indicate the type of service operations to be
performed.
Removal Adjustment
Installation Cleaning
Disassembly Pay close attention-Important
Reassembly Tighten to specified torque
Align the marks Use special tools of manufacturer's
Directional Indication Lubricate with oil
Inspection Lubricate with grease
Measurement
During engine maintenance, please observe following instructions to prevent environmental
damage;
Take old oil to an old oil disposal point only.
Ensure without fail that oil and diesel fuel will not get into the sea or rivers and
canals or the ground.
3. DE12/T/TI/TIS
MAINTENANCE MANUAL
Printed in Mar. 2001 PS-MMA0507-E1A
Treat undiluted anti-corrosion agents, antifreeze agents, filter element and
cartridges as special waste.
The regulations of the relevant local authorities are to be observed for the
disposal of spent coolants and special waste.
If you have any question or recommendation in connection with this manual, please do not
hesitate to contact our head office, dealers or authorized service shops near by your location
for any services.
For the last, the content of this maintenance instruction may be changed without notice for
some quality improvement. Thank you.
DAEWOO Heavy Industries & Machinery LTD.
Mar. 2001
4. DE12/T/TI/TIS
MAINTENANCE MANUAL
1
Printed in Mar. 2001 PS-MMA0507-E1A
GENERAL INFORMATION
1. GENERAL INFORMATION
1.1. General Repair Instructions
1. Before performing service operation, disconnect the grounding cable from the battery
for reducing the chance of cable damage and burning due to short-circuiting.
2. Use covers for preventing the components from damage or pollution.
3. Engine oil and anti-freeze solution must be handled with reasonable care as they
cause paint damage.
4. The use of proper tools and special tools where specified is important to efficient and
reliable service operation.
5. Use genuine DAEWOO parts necessarily.
6. Used cotter pins, gaskets, O-rings, oil seals, lock washer and self-lock nuts should
be discarded and new ones should be prepared for installation as normal function of
the parts can not be maintained if these parts are reused.
7. To facilitate proper and smooth reassemble operation, keep disassembled parts
neatly in groups. Keeping fixing bolts and nut separate is very important as they vary
in hardness and design depending on position of installation.
8. Clean the parts before inspection or reassembly. Also clean oil ports, etc. using
compressed air to make certain they are free from restrictions.
9. Lubricate rotating and sliding faces of parts with oil or grease before installation.
10. When necessary, use a sealer on gaskets to prevent leakage.
11. Carefully observe all specifications for bolts and nuts torques.
12. When service operation is completed, make a final check to be sure service has
been done property.
5. DE12/T/TI/TIS
MAINTENANCE MANUAL
2
Printed in Mar. 2001 PS-MMA0507-E1A
GENERAL INFORMATION
1.2. Engine characteristics
1.2.1. OMEGA combustion bowl
The OMEGA combustion bowl is a unit
designed to perform high efficiency, low
emission combustion. As the rim around the
combustion bowl port of the upper of the
piston has been machined in a smaller size
than the interior of the combustion bowl,
strong swirl is produced in the combustion
bowl and strong squish flow makes the fuel be
mixed more sufficiently with air.
Due to the application of OMEGA combustion
system and optimal utilization of intake and
exhaust port configuration within the cylinder
head, the DE12 series diesel engines
discharge very low level of hazardous exhaust
gases such as smoke, nitrogen oxide,
hydrocarbon, or carbon monoxide and thus
ensure high performance and low fuel
consumption.
M1041A
6. DE12/T/TI/TIS
MAINTENANCE MANUAL
3
Printed in Mar. 2001 PS-MMA0507-E1A
GENERAL INFORMATION
1.3. Engine Specification
1.3.1. Specification
Engine Model
Items
DE12 DE12T DE12TI DE12TIS
Engine type
4 cycle in-line,
Water-cooled type
Naturally
aspirated
4 cycle in-line,
Water-cooled
type
Turbo charged
4 cycle in-line,
Water-cooled type
Turbo charged & intercooled
Combustion chamber type Direct injection type
Cylinder liner type Replaceable dry liner
Timing gear system Gear driven type
No. of piston ring Compression ring 2, oil ring 1
11. DE12/T/TI/TIS
MAINTENANCE MANUAL
9
Printed in Mar. 2001 PS-MMA0507-E1A
GENERAL INFORMATION
1.4.2. Engine sectional view (cross)
1 Oil filter 8 Rocker arm
2 Cylinder block 9 Cylinder head cover
3 Fuel injection pump 10 Cylinder head
4 Alternator 11 Exhaust manifold
5 Oil cooler 12 Piston ring
6 Cooling water outlet 13 Turbocharger
7 Fuel injection nozzle 14 Oil suction pipe
1
2
3
4
5
6
7 8 9 10
11
12
14
13
12. DE12/T/TI/TIS
MAINTENANCE MANUAL
10
Printed in Mar. 2001 PS-MMA0507-E1A
GENERAL INFORMATION
1.4.3. Engine assembly views
1) DE12 (Bus)
1 Fly wheel 11 Oil level gauge 21 Air pipe
2 Flywheel housing 12 Pilot bearing 22 Cooling water pump
3 Oil pressure unit 13 Oil filter 23 Air compressor
4 Lifting hook 14 Oil drain plug 24 Exhaust manifold
5 Oil cooler 15 Oil pan 25 Crank shaft pulley
6 Intake manifold 16 Fuel injection pump 26 Vibration damper
7 Air heater 17 Mounting bracket 27 Mounting bracket
8 Cooling warning switch 18 Power steering pump 28 Starting motor
9 Thermostat 19 Alternator 29 Fuel injection nozzle
10 Oil filler cap 20 Fuel filter 30 Cooling water pipe
1
2
3
4 5 6 7 8
9
10
11
12 13 14 15 16 17 18
19
20 21
22
25
23 24 4
26 27 28
29 30
13. DE12/T/TI/TIS
MAINTENANCE MANUAL
11
Printed in Mar. 2001 PS-MMA0507-E1A
GENERAL INFORMATION
2) DE12TI (Bus)
1 Fly wheel 12 Pilot bearing
23 Air pipe
(Air cleaner to turbocharger)
2 Flywheel housing 13 Oil filter 24 Turbocharger
3 Oil pressure unit 14 Oil drain plug 25 Exhaust manifold
4 Lifting hook 15 Oil pan 26 Crank shaft pulley
5 Oil cooler 16 Fuel injection pump 27 Vibration damper
6 Intake manifold 17 Mounting bracket 28 Mounting bracket
7 Air heater 18 Power steering pump 29 Starting motor
8 Air pipe
(Turbocharger to intercooler)
19 Alternator
30 Air pipe
(Intercooler to intake manifold)
9 Thermostat 20 Fuel filter 31 Cooling water pipe
10 Oil filler cap 21 Cooling water pump 32 Fuel injection nozzle
11 Oil level gauge 22 Air compressor
1
2
3
4 5 6 7 8
9
10
11
19
20
21
22 23 24 25
30
31
32
26 27 28 29
12 13 14 15 16 17 18
14. DE12/T/TI/TIS
MAINTENANCE MANUAL
12
Printed in Mar. 2001 PS-MMA0507-E1A
GENERAL INFORMATION
3) DE12TIS (Truck)
1 Flywheel housing 15 Fuel injection pump 28 Turbocharger
2 Oil cooler 16 Engine mounting bracket 29 Exhaust elbow
3 Breather hose 17 Power steering pump 30 Cooling delivery pipe
4 Fuel filter 18 Alternator 31 Engine mounting bracket
5 Intake manifold 19 Lifting hook(Front) 32 Ladder frame
6 Air heater 20 Cooling water pump 33 Starting motor
7 Air pipe
(Intercooler to intake manifold)
21 Oil hose(Power steering pump) 34 Fly wheel
8 Thermostat 22 Fan guide bracket 35 Pilot bearing
9 Air-con. Compressor 23 Oil drain plug 36 Exhaust manifold
10 Fan guide 24 Fan clutch 37 Cylinder head cover
11 Cooling fan 25 Air pipe
(Turbocharger to intercooler)
38 Fuel injection nozzle
12 Oil filter 26 Air compressor 39 Cooling water pipe
13 Oil pan 27 Air pipe 40 Oil pressure unit
14 Oil level gauge (Air cleaner to turbocharger)
1
2
3 4 5 6 7 8
9
10
11
12 13 14 15 16 17 22 23
21
20
19
18
26 27 28 29
30
25
24
31 32 33
35
36 37 38 39
40
34
15. DE12/T/TI/TIS
MAINTENANCE MANUAL
15
Printed in Mar. 2001 PS-MMA0507-E1A
MAJOR MAINTENANCE
NOTE:
However, it should not elapse longer than 75 sec, and if it did, the hue would
change.
(4) Make the numerical value by comparing the test paper which hue has
changed with the color list of label on storage bottle.
(5) By comparing the hue changed into yellowish green or so with the green color
indication of test paper storage bottle, confirm the density. (Then, the density
indication must be in the hue range of 33% to 50%).
(6) The brown at the middle of test paper and the lower pink color indication
represent the additive state for rust prevention, and the proper range is that
the meeting numerical value of brown (vertical) and pink color (horizontal)
locates in the range of 0.3 to 0.8 at the color list of label on the test paper
storage bottle.
(7) In case of less than 0.3, replenish the additive for rust prevention (DCA4), and
in case of more than 0.8, pour out the cooling water about 50% and then
readjust the density after refilling with clean fresh water.
Amount of Anti-freeze in winter
Ambient
temperature ( C)
Cooling water (%) Anti-freeze (%)
Over -10
-10
-15
-20
-25
-30
-40
85
80
73
67
60
56
50
15
20
27
33
40
44
50
2.1.2. Fan belt
Use a fan belt of specified dimensions, and replace if damaged, frayed, or
deteriorated.
Check the fan belt for belt tension.
If belt tension is lower than the specified limit, adjust the tension by relocating the
alternator. (specified deflection: 10 15 mm when pressed down with thumb)
16. DE12/T/TI/TIS
MAINTENANCE MANUAL
16
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MAJOR MAINTENANCE
2.1.3. Engine oil
Check oil level with the oil level gauge and replenish if necessary.
Check the oil level with the engine cooled. If the engine is warm, allow time for
5 10 minutes for oil drain into the crankcase before checking oil level. The oil
level must be between Max and Min. lines on the gauge.
Engine oil should be changed at the specified intervals. Oil in the oil filter should
be changed simultaneously.
First oil change After 1,000km (50hr) operation
DE12/T/TI every 10,000km
Short-distance operation vehicle
(city bus, dump truck)
DE12TIS every 20,000km
DE12/T/TI every 15,000km
Long-distance operation vehicles
(express bus, cargo truck)
DE12TIS every 30,000km
The following oils are also recommended
Recommend oil
Engine model
SAE No. API No.
DE12/T/TI SAE 15W40 above CD or CE
DE12TIS
SAE15W40
SAE10W40
ACEA-E2 or ACEA-E3
(API CH-4)
* If long oil change intervals are to be used, ACEA-E3 oil must be used.
Engine Oil capacity
Engine oil capacity
in Oil pan
Engine
model
Vehicle Max.
(lit)
Min.
(lit)
Total
(lit)
Bus 17 14 21
DE12
DE12T
DE12TI Truck 17 14 21
DE12TIS
Bus
Truck
17 14 21
17. DE12/T/TI/TIS
MAINTENANCE MANUAL
17
Printed in Mar. 2001 PS-MMA0507-E1A
MAJOR MAINTENANCE
2.1.4. Oil filter
Check for oil pressure and oil leaks, and
repair or replace the oil filter if necessary.
Change the oil filter cartridge simultaneously
at every replacement of engine oil.
2.1.5. Fuel filter
Drain water in cartridge with loosening the
cock under filter manually (6) from time to
time.
2.1.6. Air cleaner.
In case that elements are deformed,
damaged or if the air cleaner has a crack,
replace it.
By the definite interval, the elements must
be cleaned and replaced.
G1019
EQM4010I
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19. DE12/T/TI/TIS
MAINTENANCE MANUAL
18
Printed in Mar. 2001 PS-MMA0507-E1A
MAJOR MAINTENANCE
2.1.7. Intercooler
The intercooler is air to air type and has a large cooling fan capacity. The intercooler
life and performance depends on the intake air condition greatly. Fouled air pollutes
and clogs the air fins of intercooler. As a result of this, the engine output is
decreased and engine malfunction is occurred. So you always check whether the
intake air systems like air filter element are worn or polluted.
2.1.8. Valve clearance adjust procedure
After letting the #1 cylinder's piston come at the compression top dead center by
turning the crankshaft, adjust the valve clearances.
Loosen the lock nuts of rocker arm adjusting screws and push the feeler gauge
of specified value between a rocker arm and a valve stem and adjust the
clearance with adjusting screw respectively and then tighten with the lock nut.
As for the valve clearance, adjust it when in cold, as follow.
Model Intake Valve Exhaust Valve
DE12
DE12T
DE12TI
DE12TIS
0.3 mm 0.3 mm
1) Rotate the crankshaft to overlap the intake and the exhaust valves of #6, then #1
cylinder become the compression state of top dead center.
2) Therefore adjust the valve clearance corresponding to “ ” of lower figure.
At this time there are no force on the push rods of #1 cylinder.
3) Rotating the crankshaft by one revolution, #6 cylinder become the compression
Air/air intercooler
with radiator
(combined radiator)
Air flow by cooling fan
Hot air by turbo charger
compressor
Cooled air to intake
manifold (max. 50 C)
20. DE12/T/TI/TIS
MAINTENANCE MANUAL
19
Printed in Mar. 2001 PS-MMA0507-E1A
MAJOR MAINTENANCE
state of top dead center.
4) Thereafter adjust the valve clearances corresponding to “ ” of lower figure.
5) After reinsuring the valve clearances, retighten if necessary.
No. 1 Cylinder is located at the side where flywheel was installed.
2.1.9. Cylinder compression pressure
Stop the engine after warming up, and
take out nozzle holder assembly.
Install the special tool (compression
gauge adapter) at the nozzle holder
hole, and connect the compression
pressure gauge there.
Standard value 28kg/cm2
over
Limit value 24kg/cm2
Difference
between each cylinder
Within ± 10 %
Condition : Water temperature 20 C,
Engine rotation 200rpm (10 rotations)
G1048
Flywheel Intake Valve Exhaust Valve Cylinder No. Cooling Fan