Daewoo B20S-2 Guide de démarrage rapide
Disassembly &
Assembly
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SB2028E02
Aug. 1999
Important Safety Information
Most accidents involving product operation, maintenance and repair are caused by failure to observe basic safety
rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an
accident occurs. A person must be alert to potential hazards. This person should also have the necessary
training, skills and tools to perform these functions properly.
Read and understand all safety precautions and warnings before operating or performing lubrication,
maintenance and repair on this product.
Basic safety precautions are listed in the “Safety section of the Service or Technical Manual. Additional safety
precautions are listed in the “Safety section of the owner/operation/maintenance publication.
Specific safety warnings for all these publications are provided in the description of operations where hazards
exist. WARNING labels have also been put on the product to provide instructions and to identify specific hazards.
If these hazard warnings are not heeded, bodily injury or death could occur to you or other persons. Warnings in
this publication and on the product labels are identified by the following symbol.
Improper operation, lubrication, maintenance or repair of this product can be dangerous and could result
in injury or death.
Do not operate or perform any lubrication, maintenance or repair on this product, until you have read
and understood the operation, lubrication, maintenance and repair information.
Operations that may cause product damage are identified by NOTICE labels on the product and in this
publication.
DAEWOO cannot anticipate every possible circumstance that might involve a potential hazard. The warnings in
this publication and on the product are therefore not all inclusive. If a tool, procedure, work method or operating
technique not specifically recommended by DAEWOO is used, you must satisfy yourself that it is safe for you
and others. You should also ensure that the product will not be damaged or made unsafe by the operation,
lubrication, maintenance or repair procedures you choose.
The information, specifications, and illustrations in this publication are on the basis of information available at the
time it was written. The specifications, torques, pressures, measurements, adjustments, illustrations, and other
items can change at any time. These changes can affect the service given to the product. Obtain the complete
and most current information before starting any job. DAEWOO dealers have the most current information
available.
WAR I G
1
Vehicle Systems Index
Index
Accelerator Control Switch.....................................61
Backrest....................................................................7
Carriage....................................................................7
Control Panel..........................................................66
Counterweight ........................................................67
Drive Motor.............................................................63
Forks.........................................................................7
Hydranlic Control Valves ........................................42
Hydraulic Control Valve Switch Group .....................5
Hydraulic Pump Motor..............................................5
Mast........................................................................13
Master Cylinder ......................................................60
Parking Brake.........................................................61
Primary Lift Cylinder...............................................32
Secondary Lift Cylinders .......................................29
Standard Lift Cylinders...........................................26
Steer Axle ...............................................................59
Steering Column.....................................................56
Steering Cylinder....................................................39
Steering Unit...........................................................46
Steering Wheel.......................................................56
Tilt Cylinders...........................................................35
Transaxle................................................................65
3
Vehicle Systems Disassembly & Assembly
Disassembly And Assembly
Hydraulic Control Valve
Switch Group
Remove And Install Hydraulic
Control Valve Switch Group
1. Remove the cover over the hydraulic control valve.
Disconnect connector (3). Remove the bolt, washer
and rod assembly (1).
2. Remove the cotter pins, pins (2), the washers and
the lever assemblies.
3. Remove the screws, nuts. lockwashers and cams
(8). Remove three bolt that hold the switch group.
4. If necessary, remove switches (6), sensor (5) and
board assembly (7) from the bracket.
OTE: The following steps are for installation of the
hydraulic control valve switch group.
5. Install the switches, sensor and board assembly on
the bracket if they were removed. Install the switch
group on the control valve.
6. Put cams (8) in position on the spools. Install the
screws, lockwashers and nuts.
7. Put the lever assemblies in position on the spools.
Install pins (2), the washers and cotter pins.
8. Install rod assembly (1), the wire harness clip, bolt
and washer. Connect connector (3). Adjust the switch
group if necessary. See Lift Sensor Adjustment and
Tilt And Auxiliary Switch Adjustment in the Micro
Command Control System.
Hydraulic Pump Motor
Remove And Install Hydraulic Pump
Motor
OTE: Photos shown are of an BC series truck, the B
series truck is similar.
1. Remove the battery, the plate under the battery and
the floor plates. Mark the wires and cables for
proper installation. Disconnect two wires (1) and
two cables (2) from the hydraulic pump motor.
2. Remove two bolts and hydraulic pump (3) from the
pump motor. Remove the pump coupling if
necessary. Pull the pump away from the motor, but
keep the pump above the level of the hydraulic tank
to prevent oil leakage from the pump.
Tools eeded A
Hook 1
Shackle 1
Link Bracket 2
5
IDCD305S
1
1
2
2
3
3
5
6
8
7
Vehicle Systems Disassembly & Assembly
OTE: If upper bolts (4) are removed, blocks (5) will
fall inside the channel.
3. Loosen, but do not remove, upper two mounting
bolts (4). Remove lower two mounting bolts (6), and
slide the pump motor and plates to the rear of the
truck.
4. The weight of the pump motor is 48 kg (105 lb).
Attach tooling (A) and a hoist to the pump motor,
and remove it from the lift truck. Remove the two
plates and blocks from the motor if necessary.
OTE: The following steps are for installation of the
hydraulic pump motor.
5. Install the two plates and blocks on the pump motor
if they were removed. Put the pump motor in
position in the lift truck with tooling (A) and a hoist.
6. Slide the pump motor to the front of the lift truck.
Install two lower bolts (6). Tighten bolts (4) and (6).
7. Put hydraulic pump (3) in position on th pump
motor. Make sure the coupling is in alignment with
the pump motor armature. Install the two bolts that
hold the pump on the pump motor.
8. Connect two cables (2) and wires (1) to the pump
motor. Install the plate over the motors, the battery
and floor plates.
6
IDCD306S
IDCD307S
4
5
6
IDCD308S
Vehicle Systems Disassembly & Assembly
Forks
Remove & Install Forks
1. Lift fork pin(1).
2. Use a suitable C-clamp, strap and hoist to support
the fork as shown.
3. Slide the fork to slot(2) in the middle of the
carriage.
4. Remove the fork. The weight of the fork is 50 kg
(110 lb).
5. Repeat steps 1 through 4 for the remaining fork.
6. Install the forks in the reverse order of removal.
7. Put the forks in position. Lower both fork pins(1) to
lock the forks in position.
Backrest
Remove & Install Backrest
Start By:
a. Remove forks.
1. Fasten a hoist to the backrest. Remove bolts(2)
that fasten the backrest to the carriage.
2. Remove backrest (1). Backrest(1) weighs 40kg
(90lb).
3. Install backrest(1) in the reverse order of removal.
End By:
a. Install forks.
Carriage
Remove & Install Carriage
Start By:
a. Remove forks.
b. Remove backrest.
Tools eeded A
Retaining Ring Pliers 1
7
1
2
1
2
IDCD001P
IDCD002P
IDCD003P
Vehicle Systems Disassembly & Assembly
1. Raise carriage(1). Position a wooden block as
shown. Lower carriage(1) onto the wooden block.
2. Disconnect two hydraulic lines(4) from side shifter
cylinder (2). Plug and cap all openings to prevent
contamination and debris from entering system.
To prevent personal injury be sure pressure in the
hydraulic system has been released before
disconnecting any hydraulic lines. Slowly loosen
the cap of the hydraulic tank to release any
pressure in the tank. Be cautious of hot hydraulic
oil when any lines are disconnected in the
hydraulic system.
OTE: For purposes of reassembly, identify and
mark all hydraulic lines and connectors before
removing or disconnecting.
3. Remove four bolts(8) from the chain guard/hose
support assembly(6). Set the hoses aside, clear of
the primary cylinder and cross head.
4. Remove two bolts (10) from the hose mounting
bracket. Set the hoses aside. Remove two nuts(9)
from the chain anchors. Set the chains aside,
clear of the mast.
WAR I G
8
2
1
8
10
9
6
4
IDCD004P
IDCD005P
IDCD006P
IDCD007P
Vehicle Systems Disassembly & Assembly
Typical Example
5. Use tool(A) to remove retainer ring(11) from the
cross head shaft.
6. Remove cross head(12) from the shaft.
7. Remove carriage bolts(13).
8. Raise the inner mast to pull out carriage as
shown.
9. Remove carriage from bottom of inner mast(15).
Carriage(14) weighs 116kg(255 lb).
OTE: Use the following steps to install the carriage.
10. Raise the inner mast to put in the carriage onto
the mast, and lower the inner mast to cover
carriage(1) bearing fully.
11. Install carriage bolts(13).
9
11
15
14
12
13
13
IDCD008P
IDCD010P
IDCD009P
IDCD009P
Autres manuels pour B20S-2
1
Ce manuel convient aux modèles suivants
5
Table des matières
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