Clark service repair manual

1. SERVICE MANUAL
RATED CAPACITY : 3500~5000kg
SF35-45D/L
CMP40-50sD/L
#40–1, Ungnam-Dong,
Changwon-City,Kyungnam,
Korea
Part No. 8034283
Manual No. SM712
Manufactured by
Mar,2004

2. 1
FOREWORD
This shop manual has been prepared as an aid to improve quality of repairs by giving the
serviceman an accurate understanding of the product and by illustrating the correct way to
perform repairs and make judgements. Make sure you understand the contents of this manual
and use it to the full effect at every opportunity.
This shop manual mainly contains the technical information necessary for operations performed
in a service workshop.
For ease of understanding, the manual is divided into sections for each main system of the
machine, and the sections are further divided into groups.
HOW TO READ THIS MANUAL
CHAPTER AND SECTION
This manual is issued as a guide to carrying out repair and maintenance. To easily understand
this manual it is divided as follows :
Example) 10 – 01
Section number (01 : Structure and function)
Chapter number (10 : Engine)
FOREWORD
G E N E R A L
00
02
• Improper operation and maintenance of this machine could result in serious injury or death.
• Read the Operation and Maintenance Manual carefully BEFORE operating the machine.
• Always keep the Operation and Maintenance Manual and Parts catalogue near the work
area.
• Obey precautions concerning flammable liquids, hazardous fluids, oils, lubricants and
cleaning solvents.
• To prevent injury to workers, this symbol is used to mark safety precautions in this
manual. The precautions accompanying this symbol should always be followed carefully.
• The specifications contained in this shop manual are subject to change at any time and
without any advance notice. Contact your SAMSUNG distributor for the latest information.
SAFETY

3. 2
PAGE
Page numbering is started from each section. Therefore, revised pages can be easily inserted.
Also, additional pages and revision number can be indicated.
Ex) 15 – 1 ➂
3rd revision
Additional page from page 15
15th page of the section
For the revision status in this manual, refer to REVISION HISTORY.
SYMBOLS
The following symbols as defined below are used in this manual to convey the intent of the
instructions concerning safety and repair.
FOREWORD
G E N E R A L
00
02
Symbol Item Remarks
Safety
Caution
Tightening
torque
Tool
Adhesive
Lubricating
Special safety precautions are necessary when
performing the work.
Special technical precautions or other precautions for
preserving standards are necessary when performing
the work.
Places that require special attention for the tightening
torque during assembly.
Places that require proper tools used in assembling
and disassembling.
Places to be applied with adhesive.
Places where oil or lubricant must be added.

4. 1
SAFETY
G E N E R A L
00
03
GENERAL PRECAUTIONS
SAFETY PRECAUTIONS
• When carrying out any operation or maintenance, have trained and experienced personnel carry
out the work.
• When carrying out any operation or maintenance, carefully read the Operation and Maintenance
Manual.
Read all the precautions given on the decals which are fixed to the machine.
SAFETY DEVICE
• Make sure that all guards and covers are mounted in their proper position. Repair or replace
if damaged.
• Pay attention to the method of using any safety locking device or safety belt.
SAFETY CLOTHES AND HELMET
• Wear the specified work clothes in the correct manner.
• Use the specified protective gear (helmet, safety glasses, safety shoes, mask, gloves).
Guard against injury from flying pieces of metal
or debris, wear goggles, gloves and helmet.
Always have a trained and experienced welder
carry out any welding work.
When carrying out welding work, always wear
welding gloves, apron, glasses, cap and other
clothes suitable for welding work.
EX048
W A R N I N G
!
SERIOUS OR FATAL INJURY MAY RESULT TO YOURSELF OR OTHERS IF NOT FOLLOWED
This fork lift should not be operated by anyone who is not authorized and properly trained.
Read the Operators Manual carefully, and make yourself familiar with your fork lift.
Inspect and check your fork lift daily before and after use. Do not operate a faulty or damaged fork lift.
Repair work should be done by authorized and trained persons only.
To protect from falling objecs, make sure that the Overhead Guard and Load Backrest are correctly mounted and in good condition.
Before starting engine, always set forward/reverse lever in neutral, with hand brake on.
Drive carefully, keeping forks and attachments as low as possible & fully tilted back.
Keep a careful lookout for people, obstructions and the path of travel. Watch clearance, especially overhead and tail swing.
Do not stick hands, feet and other parts of your body outside the OperatorÕs compartment.
Drive forward when you are climbing a slope with a load. Drive in reverse when you are descending with loads. Do not turn while on a slope.
Slow down before turning. Avoid any sudden start, stop or turning. Lateral tipover can occur if the fork lift is improperly operated.
Do not load fork lift over capacity limit designated on the load chart. Do not lift unstable loads.
This fork lift is not designed for raising or transporting people. Do not use fork lift for those purposes under any circumstances.
Before you get off fork lift make sure the hand brake is set, lower forks or attachments, put forward/reverse lever in neutral position and
turn off key switch. Do not park on a slope. P/NO.6092-13130

5. 2
SAFETY
G E N E R A L
00
03
PREPARE FOR EMERGENCIES
• Know where fire extinguishers are located and
how to use them.
• Keep a first aid kit and an eye wash kit near
the work area.
• Keep emergency numbers for doctors, ambul-
ance service, hospital, and fire department near
your telephone.
HANDLE FLUIDS SAFELY–AVOID FIRES
• Handle fuel with care it is highly flammable.
• Do not refuel the machine while smoking or
when near open flame or sparks.
Always stop the engine before refueling
machine. Fill the fuel tank outdoors.
• Store flammable fluids away from fire hazards.
Do not incinerate or puncture pressurized
containers.
DISPOSE OF FLUIDS PROPERLY
• Improperly disposing of fluids can harm the
environment and ecology. Before draining any
fluids, find out the proper way to dispose of
waste from your local environmental agency.
• Catch draining fuel, oil, or other fluids in
suitable containers. Do not use food or
beverage containers that may mislead someone
into drinking from them. Wipe up spills at once.
• Do not pour oil into the ground, down a drain,
or into a stream, pond, or lake. Observe
relevant environmental protection regulations
when disposing of oil, fuel, coolant, brake fluid,
filters, batteries, and other harmful waste.
EX036
EX028
EX043

6. 3
SAFETY
G E N E R A L
00
03
AVOID HARMFUL ASBESTOS DUST
• Avoid breathing dust that may be generated
when handling components containing asbestos
fibers. Inhaled asbestos fibers may cause lung
cancer.
EX025

7. 1
GENERAL
S P E C I F I C A T I O N S
01
01
LOCATION OF COMPONENTS
1. Mast
2. Lift cylinder
3. Control lever (Tilt, Lift)
4. Carriage
5. Forks
6. Overhead guard
7. Steering wheel
8. Driver’s seat
9. Engine hood
10. Counterweight
11. Steering tire
12. Tilt cylinder
13. Driving wheel
14. Frame
15. Steering axle
16. Driving axle
17. Rear hood
18. LPG Tank(LPG Only)
1
2
3
4
5
6 7
8
9
10 18
11 12
13
14
15 16
17
FX983

8. 2
GENERAL
S P E C I F I C A T I O N S
01
01
OPERATOR’S CAB
POWERSHIFT TRANSMISSION
1. Instrument panel
2. Turn signal lever
3. Shift lever
(forward–reverse and speed)
4. Parking brake lever
5. Lift control lever
6. Tilt control lever
7. Horn
8. Steering knob
9. Steering wheel
10. Inching pedal
11. Brake pedal
12. Accelerator pedal
13. Floor plate
14. Start key
1 2
3
5
6
7
8 9
10 11 12
13
14
4

9. 3
GENERAL
S P E C I F I C A T I O N S
01
01
INSTRUMENT PANEL
POWERSHIFT TYPE
1. Turn signal pilot lamps
2. Transmission abnormality warning
lamp
3. Transmission oil pressure warning
lamp
4. Engine oil pressure warning lamp
5. Air preheating pilot lamp
6. Parking brake pilot lamp
7. Transmission oil temperature
warning lamp
8. Battery discharging warning lamp
9. Beacon switch (Option)
10. Panel check switch
11. Fuel level gauge(Diesel)
12. Hour meter
13. Coolant temperature gauge
14. Auto/Manual switch
15. LPG Gauge(LPG)
9 1 1
2 3 4 5 6 7 8 10
12 13
14 11 15
FX986

10. 4
GENERAL
S P E C I F I C A T I O N S
01
01
Standard mast mounted
DIMENSION AND WEIGHT
6341 6569 6981 6341 6569 6981
[6586] [6814] [7226] [6586] [6814] [7226]
(13980 (14482 (15390 (13980 (14482 (15390
[14520]) 15022]) [15931]) [14520]) 15022]) [15931])
4160 4200 4390 4160 4200 4390
(164) (165) (173) (164) (165) (173)
1550[1900] (61[75])
2257[2221] (89[87])
173[149] (7[6])
2243[2227] (88[87.5])
1950(77)
CMP40D
SF35D
CMP45D
SF40D
CMP50SD
SF45D
CMP40L
SF35L
CMP45L
SF40L
CMP50SL
SF45L
Specification
–
A
B
H
J/K
C
D
kg
(lb)
mm
(in)
mm
(in)
mm
(in)
mm
(in)
mm
(in)
mm
(in)
Unit Sym.
Item
Weight
Overall length
(including forks)
Overall width
Overall height
Min. ground clearance
Overhead guard height
Wheel base
Dimension

11. 4
GENERAL INFORMATION
P O W E R T R A I N
20
01
MAIN SPECIFICATION
Classification Specification
Rated input 81 hp
Rated input rotational speed 2700 rpm
Max. input torque 30 kgf·m
Gear shifting step Forward/Reverse 2nd
Gear shifting method Clutch pack
Gear shifting means Direct
Gear shifting pattern
Service brake Hydraulic wet multi disc
Parking brake Mechanical drum brake
Total
Forward
1st 30.395
reduction
2nd 17.132
ratio
Reverse
1st 30.395
2nd 17.132
Total weight 440 kg
Kind CLARK OIL#2776236
Transmission Capacity 13 l
Replacing period Initial 50hr, after every 1000hr
Oil
Kind Total T/M DA 80W/90, TORQUE FLUID 56,#2776236
Axle Capacity 9 l
Replacing period Initial 50hr., after every 1000hr.
Reverse
Forward
Increasing
the speed
Decreasing
the speed

12. 1
DRIVE AXLE
DISASSEMBLY
• Remove the magnetic plug in each axle hub
and drain the oil.
• Remove the magnetic plug on the center axle
housing and drain the oil.
• Remove the capscrews and lock washers for
hub the assembly.
Warning
The hub assembly is heavy, support it
with a sling and crane that are in good
condition and of adequate load rating.
• Remove the hub assembly with a crane.
Warning
Match mark the hub flange and the axle
housing flange prior to disassembly.
!
!
DRIVE AXLE
P O W E R T R A I N
20
02

13. • Remove the axle shaft.
CAUTION
The length of right and left is different.
Pay attention to it.
• The lengths of shafts are different. Take a
mark on the shaft for assembly.
• Remove the hexagon socket capscrews and
lock washers from the differential carrier.
• Separate the differential carrier assembly and
axle housing assembly.
DISASSEMBLY AND ASSEMBLY OF AXLE HOUSING ASSEMBLY
Disassembly
• Remove the air breather.
!
2
DRIVE AXLE
P O W E R T R A I N
20
02

14. • Remove the plug.
• Remove the brake bleeder screw.
• Remove the brake line fitting.
• Remove the brake piston return spring and
spring locking ring.
Push each spring inward with the plunger,
reach through the center of the piston into the
housing and unhook the spring from the lock
ring located behind the flange.
3
DRIVE AXLE
P O W E R T R A I N
20
02

15. 4
• Remove the brake piston, then pull out the lock
ring.
• Remove the 1st square ring.
• Remove the 2nd square ring.
Assembly
• Apply grease onto both new square rings, and
install carefully so they do not twist.
DRIVE AXLE
P O W E R T R A I N
20
02

16. 5
• Insert the lock ring into the housing behind the
flange.
• Insert the brake piston.
CAUTION
Take care to prevent the square rings
from being pushed out of the grooves.
• To install the piston return springs, reach
throught the center of the piston into the
housing, pick up and hold the lock ring in place
then push each spring inward and hook it onto
the lock ring as shown. Ensure that each
spring is securely locked into the slot in the
end of the plunger.
• Install the copper washer onto the brake line
fitting and tighten it.
CAUTION
If the copper washer isn't installed
properly, the brake will not work due to
brake oil leakage.
!
!
DRIVE AXLE
P O W E R T R A I N
20
02

17. 6
• Apply Loctite #569 onto the brake bleeder
screw fitting and tighten it.
• Supply air to the brake line fitting and check
the operating condition of the brake piston.
• Apply Loctite #569 onto the air breather and
tighten it.
• Tighten the drain plug.
DRIVE AXLE
P O W E R T R A I N
20
02

18. 7
DISASSEMBLY AND ASSEMBLY OF HUB
Disassembly
• Remove the disc carrier gear.
• Pull out the snap ring with snap ring pliers.
Disassemble the sun gear and disc carrier.
• Remove the retaining ring.
• Remove the brake plate.
DRIVE AXLE
P O W E R T R A I N
20
02

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20. 8
• Remove the friction brake discs and steel
discs.
• Remove the plate cover capscrews of the
wheel flange and remove the plate.
• Remove the lock plate hexagon socket
capscrews.
• Remove the lock plate.
DRIVE AXLE
P O W E R T R A I N
20
02

21. 9
• Remove the bearing adjusting nut.
• Remove the center adjusting spacer.
• Disassemble the wheel flange hub.
• Remove the O–ring.
• Remove the bearing and wheel studs from the
flange. (Remove the studs only if required.)
DRIVE AXLE
P O W E R T R A I N
20
02

22. 10
• Remove the carrier shaft/planetary from the
ring gear hub.
• Remove the bearing with a proper puller.
• Remove the planetary pins, gears and thrust
washers.
• Remove the bearings.
DRIVE AXLE
P O W E R T R A I N
20
02