This document provides instructions for installing the swing frame on a 420E backhoe loader. It outlines 20 steps for the installation, including lowering bearing temperatures, placing bars through frames, tightening nuts, connecting hoses and harnesses, and positioning various parts before installing pins and bolts. The overall process installs the swing frame, boom, cylinders, and other components as a unit back onto the loader.
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2. Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 420E BACKHOE LOADER HLS
Configuration: 420E Backhoe Loader Single Tilt Center Pivot HLS00001-UP (MACHINE) POWERED BY 3054C Engine
Disassembly and Assembly
414E, 416E, 420E, 422E, 428E, 430E, 432E, 434E, 442E and 444E Backhoe Loaders
Machine Systems
Media Number -RENR6485-08 Publication Date -01/01/2013 Date Updated -24/01/2013
i02870703
Swing Frame - Install
SMCS - 6506-012
S/N - BXE1-UP
S/N - CBD1-UP
S/N - DDT1-UP
S/N - EAT1-UP
S/N - FSH1-UP
S/N - GKZ1-UP
S/N - HBE1-UP
S/N - HLS1-UP
S/N - KMW1-UP
S/N - LBE1-UP
S/N - MFG1-UP
S/N - SHA1-UP
S/N - SNL1-UP
Installation Procedure
Table 1
Required Tools
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3. Tool Part Number Part Description Qty
A 138-7575 Link Bracket 2
B 140-7742 Sleeve 3
C 1U-9204 Lever Puller Hoist 1
H 4C-4038 Bar 1
J 1P-0510 Driver Gp 1
Illustration 1 g01252034
1. Lower the temperature of bearing (38) . Use Tooling (J) in order to install bearing (38) .
Illustration 2 g01252033
2. Lower the temperature of bearings (36) and (37) . Use Tooling (J) in order to install
bearings (36) and (37) .
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4. Illustration 3 g01252031
3. Lower the temperature of bearings (32) , (33) , (34) , and (35) . Use Tooling (J) in order to
install bearings (32) , (33) , (34) , and (35) .
Illustration 4 g01252027
4. Lower the temperature of bearings (28) , (29) , (30) , and (31) . Use Tooling (J) in order to
install bearings (28) , (29) , (30) , and (31) .
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5. Illustration 5 g01252136
Illustration 6 g01256150
5. Place a suitable bar (23) through swing frame (22) . Install pin (6) and install bolt (7) .
Attach a suitable lifting device to swing frame (22) . The weight of swing frame (22) is
approximately 147 kg (325 lb). Install swing frame (22) .
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6. Illustration 7 g01252023
6. Install pin (27) and nut (26) . Tighten nut (26) to a torque of 1250 ± 135 N·m (922 ± 100 lb
ft).
Note: Make sure that you do not hit the frame with the swing casting when you
perform the next step.
7. Cycle the swing cylinders ten times.
8. Cycle the stick cylinder ten times.
Note: Cycle the boom cylinder through the snubber when you raise the boom.
9. Cycle the boom cylinder ten times.
10. Tighten nut (26) again to a torque of 1250 ± 135 N·m (922 ± 100 lb ft).
Illustration 8 g01251942
11. Install pin assembly (25) . Install washer (23) and bolt (24) .
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7. Illustration 9 g01251939
12. Install pin (19) . Install bolt (21) and nut (20) . Repeat for the other side.
Illustration 10 g01251935
13. Install cover (16) and bolts (18) . Install screws (17) .
Illustration 11 g01253833
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8. Illustration 12 g01252015
Illustration 13 g01253904
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9. Illustration 14 g01252017
14. Attach Tooling (A) and Tooling (B) to each side of the boom. Attach Tooling (B) and
Tooling (C) to the end of the stick. Secure the bucket to the stick, as shown. Attach a
suitable lifting device to Tooling (A) , Tooling (B) , and Tooling (C) . Boom (12) , the boom
cylinder, the stick, the stick cylinder, the extendable stick, the extendable stick cylinder, the
bucket linkage, and the bucket will be installed as a unit. The weight of Boom (12) , the
boom cylinder, the stick, the stick cylinder, the extendable stick, the extendable stick
cylinder and the bucket linkage is approximately 1315 kg (2900 lb). This weight is not
including the bucket.
Note: The weight of boom (12) , the boom cylinder, the stick, the stick cylinder, the
extendable stick, the extendable stick cylinder, the bucket linkage, and the bucket will vary
depending on the configuration of the hoe bucket.
15. Install boom (12) , the boom cylinder, the stick, the stick cylinder, the extendable stick, the
extendable stick cylinder, the bucket linkage, and the bucket. Install pin (15) . Install bolt
(14) and nut (13) . Repeat for the other side.
Illustration 15 g01253875
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10. 16. Connect harness assembly (10) that is routed to the boom. Install cable strap (11) .
Illustration 16 g01253871
17. Connect hose assemblies (9) that are routed to the boom. There are a total of nine hoses that
need to be connected.
Illustration 17 g01253892
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11. Illustration 18 g01253860
18. Attach a suitable lifting device to the rod end of boom cylinder (1) . The weight of boom
cylinder (1) is approximately 115 kg (255 lb). Extend the rod of boom cylinder (1) into
position. Remove the suitable lifting device.
19. Install right hook (8) and pin (6) . Install bolt (7) . Tighten nut (5) . Install clamp (4) .
Illustration 19 g01253853
20. Position left hook (2) and install pin (3) .
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Sep 23 11:16:14 UTC+0800 2019
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12. Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 420E BACKHOE LOADER HLS
Configuration: 420E Backhoe Loader Single Tilt Center Pivot HLS00001-UP (MACHINE) POWERED BY 3054C Engine
Disassembly and Assembly
414E, 416E, 420E, 422E, 428E, 430E, 432E, 434E, 442E and 444E Backhoe Loaders
Machine Systems
Media Number -RENR6485-08 Publication Date -01/01/2013 Date Updated -24/01/2013
i02841458
Sliding Frame and Bearing - Remove
SMCS - 6508-011; 7551-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 1
B
1P-1836 Bearing Puller Adapter 1
4C-9634 Puller Stud 1
9U-6832 Nut 1
6V-3175 Double Acting Cylinder 1
FT-1410 Sleeve 1
3S-6224 Electric Hydraulic Pump Gp 1
126-8928 Hard Washer 1
C 1P-1835 Bearing Puller Adapter 1
4C-9634 Puller Stud 1
9U-6832 Nut 1
6V-3160 Double Acting Cylinder 1
FT-1410 Sleeve 1
3S-6224 Electric Hydraulic Pump Gp 1
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13. 126-8928 Hard Washer 1
Start By:
A. Remove the swing frame. Refer to Disassembly and Assembly, "Swing Frame - Remove".
B. Remove the swing cylinders. Refer to Disassembly and Assembly, "Swing Cylinder -
Remove and Install".
Personal injury can result from hydraulic oil pressure and hot oil.
Hydraulic oil pressure can remain in the hydraulic system after the
engine has been stopped. Serious injury can be caused if this pressure is
not released before any service is done on the hydraulic system.
Make sure all of the attachments have been lowered, oil is cool before
removing any components or lines. Remove the oil filler cap only when
the engine is stopped, and the filler cap is cool enough to touch with
your bare hand.
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.
Dispose of all fluids according to local regulations and mandates.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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14. Cylinders equipped with lock valves can remain pressurized for very
long periods of time, even with the hoses removed.
Failure to relieve pressure before removing a lock valve or
disassembling a cylinder can result in personal injury or death.
Ensure all pressure is relieved before removing a lock valve or
disassembling a cylinder.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for
installation purposes. Plug all lines, all hoses and all tubes. This helps to prevent fluid loss and this
helps to keep contaminants from entering the system.
Illustration 1 g01417053
1. Position bucket (1) on the ground.
2. Release the pressure in the hydraulic system. Refer to Disassembly and Assembly,
"Hydraulic System Pressure - Release".
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16. Illustration 5 g01419428
6. Disconnect hose assemblies (8) .
Illustration 6 g01419431
7. Attach a suitable lifting device onto cylinder (9). Remove bolt (10). Remove pin (11).
Secure cylinder (9) out of the way.
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17. Illustration 7 g01419469
Illustration 8 g01419470
8. Attach a suitable lifting device onto both ends of bar (12). Remove bolts (13). Remove bolts
(14). Remove bar (12) and link assembly (15). The weight of bar (12) and link assembly
(15) is approximately 45 kg (100 lb).
Illustration 9 g01419474
9. Remove bolts (16) and wear pads (17). Repeat this step for the remaining wear pads.
10. Remove bar (12) from link assembly (15) .
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18. Illustration 10 g01419495
11. Attach a suitable lifting device onto sliding frame (18). The weight of sliding frame (18) is
approximately 204 kg (450 lb).
Illustration 11 g01419720
12. Remove bolts (19). Remove block (20). Remove bar (21) .
Illustration 12 g01419906
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19. Illustration 13 g01419901
13. Remove bolts (22) and wear pads (23) from block (20) and bar (21) .
Illustration 14 g01419729
14. Remove bolts (24). Remove block (25). Remove bar (26). Remove mount assembly (27) .
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20. Illustration 15 g01420029
Illustration 16 g01420030
15. Remove bolts (28) and wear pads (29) from block (25) and bar (26) .
Illustration 17 g01419738
16. Attach Tooling (A) and a suitable lifting device onto sliding frame (18). The weight of
sliding frame (18) is approximately 204 kg (450 lb).
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22. Illustration 21 g01419800
20. Use Tooling (A) in order to remove bearing (35) .
Illustration 22 g01419807
21. Use Tooling (B) in order to remove bearing (36) .
Illustration 23 g01419809
22. Remove bearings (37) .
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23. Illustration 24 g01419817
23. Remove plate (44). Remove lip seal (43). Remove bolts (38). Remove cylinder (39).
Remove piston (42). Remove O-ring seal (40). Remove ring (41). Repeat this step for the
remaining cylinders and pistons.
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Sep 23 11:17:01 UTC+0800 2019
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24. Thank you very much for
your reading. Please Click
Here. Then Get COMPLETE
MANUAL. NO WAITING
NOTE:
If there is no response to
click on the link above,
please download the PDF
document first and then
click on it.
25. Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 420E BACKHOE LOADER HLS
Configuration: 420E Backhoe Loader Single Tilt Center Pivot HLS00001-UP (MACHINE) POWERED BY 3054C Engine
Disassembly and Assembly
414E, 416E, 420E, 422E, 428E, 430E, 432E, 434E, 442E and 444E Backhoe Loaders
Machine Systems
Media Number -RENR6485-08 Publication Date -01/01/2013 Date Updated -24/01/2013
i02848694
Sliding Frame and Bearing - Install
SMCS - 6508-012; 7551-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 1
D 1P-0510 Driver Gp 1
E 4C-4030 Thread Lock Compound 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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26. Illustration 1 g01419817
1. Install ring (41). Install O-ring seal (40). Install piston (42). Install cylinder (39). Install lip
seal (43). Install plate (44). Install bolts (38). Repeat this step for the remaining cylinders
and pistons.
Illustration 2 g01419809
2. Lower the temperature of bearings (37). Use Tooling (D) in order to install bearings (37) .
Note: Ensure that bearings (37) are seated correctly. Bearings (37) must be flush with the
surface of the sliding frame. The maximum allowable offset is 1 mm (0.039 inch).
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27. Illustration 3 g01419878
3. Lower the temperature of bearing (36) and bearing (35). Use Tooling (D) in order to install
bearing (36) and bearing (35) .
Note: Ensure that bearing (36) and bearing (35) are seated correctly. Bearing (36) and
bearing (35) must be flush with the surface of the sliding frame. The maximum allowable
offset is 1 mm (0.039 inch).
Illustration 4 g01419754
4. Install thrust bearing (34). Install bolt (33). Install hose assemblies (32) .
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28. Illustration 5 g01419738
5. Use Tooling (A) and a suitable lifting device in order to install sliding frame (18). The
weight of sliding frame (18) is approximately 204 kg (450 lb).
Illustration 6 g01419740
6. Install bars (31). Install bolts (30) .
Illustration 7 g01420029
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