Caterpillar Cat 740B Ejector Articulated Truck (Prefix T4S) Service Repair Manual Instant Download.pdf

Service Repair Manual
Models
740B Ejector Articulated Truck

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Product: EJECTOR TRUCK
Model: 740B EJECTOR TRUCK T4S
Configuration: 740B Ejector Articulated Truck T4S00001-UP (MACHINE) POWERED BY C15 Engine
Disassembly and Assembly
735B, 740B and 740B EJECTOR Articulated Trucks Power Train
Media Number -UENR0207-03 Publication Date -01/06/2015 Date Updated -08/05/2017
i03831169
Torque Converter and Transmission - Connect
SMCS - 3001-077
Connection Procedure
Table 1
Required Tools
Tool Part Number Part Description QTY
A 138-7574 Link Bracket 4
B 1P-0808 Multipurpose Grease 1
Note: Lubricate all components with the oil that is being sealed before assembly.
Illustration 1 g02528503
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740B Ejector Articulated Truck T4S00001-UP (MACHINE) POWERED BY C15 Eng...
2020/1/9
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...

1. Apply a thin coat of Tooling (B) onto seal ring (12) in order to hold the seal ring in position.
2. Attach Tooling (A) and a suitable lifting device to transmission (10). The weight of the
transmission is approximately 805 kg (1775 lb).
3. Guide the transmission over shaft (13) and at the same time align the splines on the shaft
with the internal gear in the transmission.
4. Ensure that the bolt holes in torque converter (11) line up with the threaded holes in the
transmission before installing bolts (9) and the washers. Tighten the bolts to a torque of
105 ± 20 N·m (77 ± 15 lb ft). Remove Tooling (A).
5. Install clip (8) and connect harness (7).
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6. Install cover (6).
7. Connect harness assembly (5) and install tube assembly (4).
8. Install split clamp (3), strap (2), and line (1).
End By:
a. Install the torque converter and the transmission.
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i04400081
Main Drive Shaft - Remove and Install
SMCS - 3175-010; 3253-010-MV
Removal Procedure
1. Apply the parking brake.
2. Tilt the cab.
3. Turn the battery disconnect switch to the OFF position.
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4. Attach a suitable lifting device to center drive shaft (1). The weight of center drive shaft (1)
is approximately 60 kg (132 lb). The suitable lifting device should be positioned between
cab (3) and radiator (4).
5. Remove bolts (2) and lower center drive shaft (1) to the ground.
Installation Procedure
1. Install drive shaft (1) in the reverse order of removal.
a. Tighten bolts (2) to a torque of 270 ± 40 N·m (200 ± 30 lb ft).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Jan 9 12:41:35 UTC+0800 2020
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i04400094
Front Drive Shaft - Remove and Install
SMCS - 3253-010-FR
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
8S-7610 Base 1
8S-7650 Cylinder 1
3S-6224 Electric Hydraulic Pump Gp 1
8S-7615 Pin 1
Start By:
a. Install the steering frame lock.
Personal injury can result from driveline torque windup under load.
Unequal wheel speed can result in driveline torque windup which can
cause driveline components to be under load during disassembly.
Relieve the driveline torque windup before disassembly.
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2. Use Tooling (A) in order to raise the front axle until one of the wheels clears the ground.
This will release the driveline torque windup in the front axle. Remove Tooling (A).
3. Remove bolts (1) in order to disconnect drive shaft (2) from the front axle.
4. Remove bolts (3) in order to disconnect drive shaft (2) from output transfer gear (4).
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5. Use two people in order to remove drive shaft (2) from the machine. The weight of drive
shaft (2) is approximately 30 kg (60 lb).
6. Remove lip seal (5) from drive shaft (2). Note the orientation of the lip seal for installation
purposes.
1. Install drive shaft (2) in the reverse order of the removal.
b. Tighten bolts (1) to a torque of 135 ± 20 N·m (100 ± 15 lb ft).
Thu Jan 9 12:42:31 UTC+0800 2020
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i04400166
Hitch Drive Shaft - Remove and Install
SMCS - 3253-010
Removal Procedure
Table 1
Required Tools
A
8S-7610 Base 1
8S-7650 Cylinder 1
3S-6224 Electric Hydraulic Pump 1
8S-7615 Pin 1
Start By:
a. Install the steering frame lock.
Personal injury or death can result from machine articulation or
movement.
Machine frames can move and a person can be crushed.
Connect the steering frame lock link between the front and rear frames
before working on machine.
Do not disconnect the lock link until the machine is made operational
and the commissioning procedure is completed.
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Personal injury can result from driveline torque windup under load.
Unequal wheel speed can result in driveline torque windup which can
cause driveline components to be under load during disassembly.
Relieve the driveline torque windup before disassembly.
2. Use Tooling (A) in order to raise the front axle until one of the wheels clears the ground.
This will release driveline torque windup in the drive train. Lower the wheels back to the
ground and remove Tooling (A).
3. Remove bolts (3) in order to disconnect drive shaft (1) from the yoke on output transfer gear
(2).
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4. Remove bolts (5) in order to disconnect drive shaft (1) from the yoke on through hitch drive
shaft (4).
5. Use two people in order to remove drive shaft (1) from the machine. The weight of the drive
shaft is approximately 40 kg (81 lb).
1. Install drive shaft (1) in the reverse order of the removal.
b. Tighten bolts (3) to a torque of 135 ± 20 N·m (100 ± 15 lb ft).
Thu Jan 9 12:43:27 UTC+0800 2020
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i07528607
Hitch Drive Shaft Bearings - Remove and Install
SMCS - 3253-010-BD
Removal Procedure
Table 1
Required Tools
A 389-5758 Lift Cylinder Brace 3
B
- Forcing Screw
5/8 x 11 by 12 inches
2
C 138-7573 Link Bracket 1
D 136-1452 Internal Tip Pliers 1
E 8B-7551 Bearing Puller Gp 1
F 154-6181 Forcing Screw 2
Start By:
a. Install the steering frame lock. Refer to Operation and Maintenance Manual, "Steering
Frame Lock".
b. Remove the center drive shaft. Refer to Disassembly and Assembly, "Center Drive Shaft -
Remove and Install".
c. Remove the hitch drive shaft. Refer to Disassembly and Assembly, "Hitch Drive Shaft -
Remove and Install".
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Personal injury or death can result from machine articulation or
movement.
Machine frames can move and a person can be crushed.
Connect the steering frame lock link between the front and rear frames
before working on machine.
Do not disconnect the lock link until the machine is made operational
and the commissioning procedure is completed.
Before service work is begun, park the machine on a hard level surface.
Block the wheels of the machine so unexpected movement will not occur.
Unexpected movement of the machine can cause personal injury or
death.
1. Chock the front wheels of the machine to prevent movement.
2. Raise the truck bed. Secure the truck bed in the raised position with Tooling (A). Remove
the clamp from the cylinder and move the boot upward. Use two people to position the three
Tooling (A). Position all three Tooling (A) on one cylinder.
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3. Remove bolts (2) and the washers to remove locking plate (1) from thrust flange (3) and
bearing carrier (4).
4. Invert locking plate (1) and position the dowel on the locking plate into a hole in thrust
flange (3). Insert a suitable 3/4 inch breaker bar into the locking plate. Use this Tooling to
turn the thrust flange counterclockwise and remove the thrust flange from bearing carrier
(4).
A view from the hitch area.
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5. Remove bolt (5) and washer (6) to remove shaft yoke (7). Remove the O-ring seal from
bearing carrier (8) and the hitch drive shaft.
6. Remove bolts (9) and the washers to disconnect bearing carrier (4) from the hitch tube.
Install Tooling (B) into the threaded holes in the bearing carrier to force the bearing carrier
from the hitch tube. Remove Tooling (B) from the threaded holes.
7. Remove lip seal (10) from the bearing housing.
8. Attach Tooling (C) to the bearing carrier. Use a suitable lifting device to remove the bearing
carrier and the hitch drive shaft from the machine. The weight of the bearing carrier and the
hitch drive shaft is approximately 56 kg (123 lb).
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9. Remove bolt (11) and washer (12) to remove shaft yoke (13). Remove the O-ring seal from
bearing carrier (4) and hitch drive shaft (14).
10. Use Tooling (D) to remove retaining ring (15) from bearing carrier (4).
11. Remove hitch drive shaft (14) and roller bearing (17) from the bearing carrier as a unit.
Remove O-ring seal (16) from the bearing carrier.
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12. Use a suitable punch to remove lip seal (18) from bearing carrier (4).
13. Use a suitable press and Tooling (E) to remove bearing (17) from hitch drive shaft (14).
Invert the hitch drive shaft and remove the bearing (not shown) from the other side of hitch
drive shaft (14).
14. Remove bolts (19) and the washers to disconnect bearing carrier (8) from the hitch tube.
Install Tooling (F) into the threaded holes in the bearing carrier to force the bearing carrier
from the hitch tube. Remove the bearing carrier from the machine. Remove Tooling (F).
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15. Remove bearing assembly (20) from bearing carrier (8). Remove O-ring seal (21).
16. Use a suitable punch to remove lip seal (22) from bearing carrier (8).
Table 2
Required Tooling
A 236-1192 Lift Cylinder Brace 3
G 1P-0520 Driver Group 1
C 138-7573 Link Bracket 1
D 136-1452 Internal Tip Pliers 1
H 5P-0960
Grease Cartridge
Molybdenum Grease
1
J 5P-3931 Anti-Seize Compound 1
1. Inspect all parts and clean all parts. If any parts are worn or damaged, use new Caterpillar
parts for replacement.
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Caterpillar Cat 740B Ejector Articulated Truck (Prefix T4S) Service Repair Manual Instant Download.pdf

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Caterpillar Cat 740B Ejector Articulated Truck (Prefix T4S) Service Repair Manual Instant Download.pdf