Caterpillar cat 434 f2 backhoe loader (prefix hwr) service repair manual (hwr00001 and up)

Service Repair Manual
Models
434F2 BACKHOE LOADER

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Product: BACKHOE LOADER
Model: 434F2 BACKHOE LOADER HWR
Configuration: 434F2 Side Shift Backhoe Loader HWR00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
422F2, 427F2, 428F2, 432F2, 434F2 and 444F2 Backhoe Loaders Powertrain
Media Number -UENR3743-01 Publication Date -01/06/2015 Date Updated -05/06/2018
i06187558
Axle Housing and Flange - Remove
SMCS - 4057-011; 4234-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-2320 Combination Puller 1
B 230-7923 Spanner Wrench As 1
C 2P-8312 Retaining Ring Pliers 1
Start By:
a. Remove the drive and steering axle.
b. Remove the final drive planetary.
1/7434F2 Side Shift Backhoe Loader HWR00001-UP (MACHINE) POWERED BY C4.4...
2019/10/23https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

Illustration 1 g01047618
1. Loosen nut (2). Do not remove nut (2) at this time. Install Tooling (A). Remove tie rod end (1) and
nut (2) . Position tie rod end (1) out of the way.

2. Remove bolts (5) and remove locking plate (4). Use Tooling (B) in order to remove spanner nut (3).

3. Use a suitable pry bar and push the double U-joint toward the wheel flange. This will make the
removal of retaining ring (8) easier. Use Tooling (C) and remove retaining ring (8). Remove thrust
washer (7) and washer (6).
4. Remove ring gear (9).

5. Remove wheel flange (10).
Note: Bearing cone (11) will fall out of wheel flange (10) when wheel flange (10) is removed.

Note: Note the order and orientation of shims (14) for assembly purposes.
6. Remove bolts (12). Remove pin assembly (13) and shims (14). Remove bolts (16) and pin assembly
(15).

7. Use a suitable lifting device in order to remove knuckle (17). The weight of knuckle (17) is
approximately 56 kg (123 lb).
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Wed Oct 23 17:26:06 UTC+0800 2019

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i06188326
Axle Housing and Flange - Disassemble
SMCS - 4057-015; 4234-015
Disassembly Procedure
Table 1
Required Tools
A 1P-0510 Driver Gp 1
B 1P-0520 Driver Gp 1
Start By:
a. Remove the axle housing and the wheel flange.
1. Remove retaining ring (1) and ring gear hub (2) from ring gear (3).

2. Remove seal (4) from wheel flange (7). Use Tooling (B) and a suitable hammer in order to remove
bearing cup (5). Remove spacer (6). Use Tooling (B) and a suitable hammer in order to remove
bearing cup (8).
3. Remove bearing cone (9) and seal (10) from pin assembly (11). Repeat for the other pin assembly.

4. Remove seal (12) from knuckle (13).

5. Remove bearing cone (14) from knuckle (13).
6. Use Tooling (A) and a suitable hammer in order to remove the bushing from knuckle (13).
Wed Oct 23 17:27:02 UTC+0800 2019

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i06188363
Axle Housing and Flange - Assemble
SMCS - 4057-016; 4234-016
Assembly Procedure
Table 1
Required Tools
A 1P-0510 Driver Gp 1
B 1P-0520 Driver Gp 1
C 2S-3230 Bearing Lubricant 1

1. Install bearing cone (14) onto knuckle (13).

2. Use Tooling (A) and a suitable hammer and install the bushing into knuckle (13).

3. Use Tooling (A) and install seal (12) into knuckle (13).

4. Install seal (10) onto pin assembly (11). Raise the temperature of bearing cone (9). Install bearing
cone (9) onto pin assembly (11). Repeat for the other pin assembly.
Note: Use Tooling (C) after installing bearing (9) to pack bearing.
5. Use Tooling (B) and a suitable hammer and install bearing cup (8) into wheel flange (7). Install
spacer (6). Use Tooling (B) and a suitable hammer and install bearing cup (5) into wheel flange (7).
Install seal (4).

6. Install ring gear hub (2) into ring gear (3). Install retaining ring (1).
End By:
a. Install the axle housing and the wheel flange.
Wed Oct 23 17:27:57 UTC+0800 2019

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i06189897
Axle Housing and Flange - Install
SMCS - 4057-012; 4234-012
Installation Procedure
Table 1
Required Tools
B 230-7923 Spanner Wrench As 1
C 2P-8312 Retaining Ring Pliers 1
D 129-1938 Grease Cartridge -
1. Use a suitable lifting device in order to install knuckle (17). The weight of knuckle (17) is
approximately 50 kg (110 lb).

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2. Do not install shims (14) at this time. Install pin assembly (13). Install bolts (12). Do not tighten
bolts (12) at this time.
3. Apply Tooling (D) to the surface of pin assembly (15). Install pin assembly (15) and bolts (16).
Tighten bolts (16) to a torque of 300 N·m (221 lb ft).

4. Install wheel flange (10) and bearing cone (11).

5. Install ring gear (9).
6. Use Tooling (B) and install spanner nut (3). Tighten spanner nut (3) to a torque of 1000 N·m
(738 lb ft). Install locking plate (4) and bolts (5). Tighten bolts (5) to a torque of 70 N·m (52 lb ft).
Note: If the tab on locking plate (4) does not line up with the slot in spanner nut (3), tighten spanner
nut (3) until the slot and the tab are aligned.

Caterpillar cat 434 f2 backhoe loader (prefix hwr) service repair manual (hwr00001 and up)

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Caterpillar cat 434 f2 backhoe loader (prefix hwr) service repair manual (hwr00001 and up)