Caterpillar Cat 450E Backhoe Loader (Prefix EBL) Service Repair Manual Instant Download.pdf

Service Repair Manual
Models
450E Backhoe Loader

Shutdown SIS
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Product: BACKHOE LOADER
Model: 450E BACKHOE LOADER EBL
Configuration: 450E Backhoe Loader Center Pivot EBL00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
450E Backhoe Loader Power Train
Media Number -KENR5485-02 Publication Date -01/11/2014 Date Updated -14/11/2014
i02489286
Transmission (Power Shift) - Remove
SMCS - 3030-011-PM
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 180-3034 Repair Stand Set 4
B
8S-7615 Pin 2
4C-6486 Stand 2
8S-7641 Tube 2
8S-8048 Saddle 2
C 208-5040 Support Tube 1
D 1U-7505 Hydraulic Jack 1
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
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Dispose of all fluids according to local regulations and mandates.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for
installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this
helps to keep contaminants from entering the system.
1. Connect the lock for the boom. Refer to Operation and Maintenance Manual, "Boom Lock".
2. Connect the lock for the swing boom. Operation and Maintenance Manual, "Swing Lock
Pin Control".
3. Connect the lock for the extendable stick. Refer to Operation and Maintenance Manual,
"Extendable Stick Lock Control ".
4. Lower the bucket to the ground. Place the control for the bucket into the FLOAT position.
5. Drain the transmission oil into a suitable container for storage or disposal. Refer to
Operation and Maintenance Manual, "Transmission Oil - Change".
6. Remove the piston pump. Refer to Disassembly and Assembly, "Piston Pump - Remove".
7. Remove the front drive shaft. Refer to Disassembly and Assembly, "Drive Shaft (Front) -
Remove and Install".
Illustration 1 g01244146
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8. Raise the machine so that the machine is level and 914 mm (36 inch) off of the floor. Install
Tooling (A) and Tooling (B) under the machine.
9. Install Tooling (A) and Tooling (C) in order to support the engine when the transmission is
removed.
10. Disconnect harness assemblies (1), (2), (3), (4), (5), (6), and (7).
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11. Disconnect harness assemblies (8), (9), and (10).
12. Disconnect harness assembly (13). Remove nuts (12) and (14). Remove solenoids (11) and
(15) and remove the plungers.
13. Disconnect hose assembly (16) from the right side of the transmission.
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14. Disconnect hose assemblies (17), (18), (19), and (20).
Note: Hose assemblies (19) and (20) will remain with the transmission.
15. Remove bolts (21) and place filter assembly (22) to the side. Remove bolts (24) and place
manifold assembly (23) to the side.
16. Remove bolts (26) that retain transmission filler tube (25).
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17. Remove clip (27) that retains transmission filler tube (25). Place transmission filler tube
(25) to the side.
18. Disconnect hose assembly (28). Remove clamp (29) and remove hose (30) from the
hydraulic oil tank.
19. Remove the transmission oil filter. Refer to Operation and Maintenance Manual,
"Transmission Oil Filter - Replace".
20. Attach Tooling (D) to transmission assembly (31). The weight of the transmission assembly
(31) is approximately 255 kg (562 lb).
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21. Remove bolts (32) and cover (33). Remove bolts (34).
22. Rotate flywheel (35) in order to remove bolts (36).
23. Place a suitable cable strap (37) around drive plate (38) for the converter.
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24. Remove nuts (41) and (45). Remove bolts (42) and (46). Remove mounting bolts (39) and
(44) and remove mounts (40) and (43) from each side of transmission assembly (31).
25. Use Tooling (D) in order to remove transmission assembly (31).
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
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Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 450E BACKHOE LOADER EBL
Configuration: 450E Backhoe Loader Center Pivot EBL00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
450E Backhoe Loader Power Train
Media Number -KENR5485-02 Publication Date -01/11/2014 Date Updated -14/11/2014
i02557467
Transmission (Power Shift) - Disassemble
SMCS - 3030-015-PM; 3066-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-7502 Transmission Repair Stand 1
B 138-7575 Link Bracket 1
C
152-7085(1)
Transmission Shaft Handler 1
189-0409 Shackle As 1
D 1P-0074 Slide Hammer Puller Gp 1
E
8H-0663 Bearing Puller Assembly 1
6V-3010 Puller Gp 1
126-7177 Puller Leg 1
F 1U-6405 Three Jaw Puller 1
G 152-7055 Spring Compressor 1
H 2P-8312 Retaining Ring Pliers 1
(1)
CE Compliant
Start By:
a. Remove the transmission. Refer to Disassembly and Assembly, "Transmission (Power
Shift) - Remove".
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Note: The transmission will be disassembled in major components. The major components will
then be disassembled.
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism.
1. Use a suitable lifting device in order to mount transmission assembly (1) onto Tooling (A).
The weight of transmission assembly (1) is approximately 255 kg (562 lb). Remove cable
strap (3) and remove torque converter (2).
2. Remove hose assemblies (4) and coupler (5).
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3. Remove bolts (6) and plate (7). Remove gear (8).
4. Remove bolts (9) and pump group (10).
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5. Remove seal (11).
6. Remove lip seal (12) from pump group (10).
7. Slide shaft (13) from the transmission.
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8. Remove bolts (14) and solenoid valve assemblies (15). Remove tube assembly (16).
9. Remove valve groups (17) and (18).
10. Remove O-ring seals (19) and (20) from valve group (17).
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11. Remove O-ring seals (21) and (22) from valve group (18).
12. Remove bolts (23) and filter base assembly (24).
13. Remove O-rings (25) from filter base assembly (24).
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14. Remove bolt (26) and front output yoke assembly (27). Remove the gasket.
15. Remove bolt (29) and rear output yoke assembly (30). Remove speed sensor (28).
16. Remove bolts (32) and cover (31).
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17. Remove O-ring seal (33).
18. Remove screen (34).
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19. Attach Tooling (B) and a suitable lifting device to case assembly (35). The weight of case
assembly (35) is approximately 64 kg (140 lb). Remove bolts (36). Use a suitable pry bar in
the slots of the transmission case in order to remove case assembly (35).
20. Remove bearing cups (40), (41), (42), (43) and (44). Remove lip seal (39). Remove tube
assemblies (37) and (38).
21. Remove any shims that may be present under each bearing cup. Record the measurements
of shims in order to aid in the installation procedure.
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Caterpillar Cat 450E Backhoe Loader (Prefix EBL) Service Repair Manual Instant Download.pdf

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