Caterpillar Cat 304E Mini Hydraulic Excavator (Prefix TSR) Service Repair Manual (TSR00001 and up).pdf

Service Repair Manual
Models
304E Mini Hydraulic Excavator

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Product: MINI HYD EXCAVATOR
Model: 304E MINI HYD EXCAVATOR TSR
Configuration: 304E Mini Hydraulic Excavator TSR00001-UP (MACHINE)
Disassembly and Assembly
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine
Systems
Media Number -UENR0148-04 Publication Date -01/10/2016 Date Updated -25/10/2016
i04777975
Evaporator Coil - Remove and Install
SMCS - 7343-010
Removal Procedure
Start By:
a. Remove the heating and air conditioning unit.
Illustration 1 g01226046
1. Remove screws (1).
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2020/2/18
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2. Remove cab air filter (2). Remove cap (3) and louver (4).
3. Disconnect harness assemblies (5) and (6).
4. Remove screws (7) and switch assembly (8).
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5. Disconnect relay assemblies (11) and (12). Remove screws (9) and cover (10).
6. Remove hose (13). Remove screws (15) and (16). Remove cover (14).
7. Remove evaporator coil (17).
Installation Procedure
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1. Install evaporator coil (17).
2. Install cover (14). Install screws (15) and (16). Install hose (13).
3. Install cover (10) and screws (9). Connect relay assemblies (11) and (12).
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4. Install switch assembly (8) and screws (7).
5. Connect harness assemblies (5) and (6).
6. Install louver (4) and cap (3). Install cab air filter (2).
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7. Install screws (1).
End By:
a. Install the heating and air conditioning unit.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Feb 18 23:26:08 UTC+0800 2020
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Systems
i03987031
Track Carrier Roller - Remove and Install
SMCS - 4154-010
Removal Procedure
Personal injury or death can result from grease under pressure.
Grease coming out of the relief valve under pressure can penetrate the
body causing injury or death.
Do not watch the relief valve to see if grease is escaping. Watch the track
or track adjustment cylinder to see if the track is being loosened.
Loosen the relief valve one turn only.
If track does not loosen, close the relief valve and contact your
Caterpillar dealer.
1. Release the tension on the track. Refer to Operation and Maintenance Manual, "Track -
Adjust".
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2. Attach a suitable lifting device to track (1). Raise track (1). Remove bolt (2) and remove
track carrier roller (3).
1. Attach a suitable lifting device to track (1). Raise track (1). Install track carrier roller (3) and
bolt (2).
2. Apply tension on the track. Refer to Operation and Maintenance Manual, "Track - Adjust".
Tue Feb 18 23:27:05 UTC+0800 2020
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Systems
i03983332
Track Roller - Remove and Install
SMCS - 4180-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-9745 Air/Hydraulic Jack Gp 1
Caterpillar dealer.
Adjust".
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2. Use Tooling (A) in order to raise the side of the machine.
3. Remove bolt (1) and remove track roller (2).
Table 2
Required Tools
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1. Install track roller (2) and bolts (1).
2. Use Tooling (A) in order to lower the side of the machine.
3. Adjust the tension on the track. Refer to Operation and Maintenance Manual, "Track -
Adjust".
Tue Feb 18 23:28:02 UTC+0800 2020
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Systems
i03983333
Track - Remove and Install
SMCS - 4170-010
Removal Procedure
Table 1
Required Tools
Caterpillar dealer.
Adjust".
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2. Use Tooling (A) in order to raise the side of the machine.
3. Use a suitable lifting device and a suitable pry bar in order to remove track (1). The weight
of track (1) is approximately 250 kg (550 lb).
Table 2
Required Tools
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1. Use a suitable lifting device and a suitable pry bar in order to install track (1). Suitable
cribbing may be placed under track (1) in order to aid in the installation of track (1). The
weight of track (1) is approximately 250 kg (550 lb).
2. Use Tooling (A) in order to lower the side of the machine.
3. Apply tension on the track. Refer to Operation and Maintenance Manual, "Track - Adjust".
Tue Feb 18 23:28:59 UTC+0800 2020
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Systems
i04777978
Front Idler, Recoil Spring and Hydraulic Track Adjuster -
Remove
SMCS - 4157-011; 4158-011; 4159-011
Removal Procedure
Table 1
Required Tools
A 140-7742 Sleeve 1
Start By:
a. Remove the track.
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1. Attach Tooling (A) and a suitable lifting device to the front idler, the recoil spring, and
hydraulic track adjuster (1). The weight of front idler, recoil spring, and hydraulic track
adjuster (1) is approximately 80 kg (175 lb). Remove the front idler, the recoil spring, and
hydraulic track adjuster (1).
Tue Feb 18 23:29:55 UTC+0800 2020
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Systems
i06748710
Recoil Spring - Remove and Install
SMCS - 4158-010
Removal Procedure
Table 1
Required Tools
A
1P-0775 Seal Guide 1
1P-0510 Driver Gp 1
Start By:
a. Remove the front idler, recoil spring, and hydraulic track adjuster.
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1. Remove hydraulic track adjuster (1). Remove the front idler (2). Remove cotter pin (3).
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View from bottom
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
2. Position cylinder assembly (1) into a suitable press. Compress recoil spring (4) with Tooling
(A) and a suitable press. Remove nut (5) and slowly release the spring tension. Remove
support (6) and recoil spring (4).
Table 2
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Required Tools
A
1P-0775 Seal Guide 1
1P-0510 Driver Gp 1
View from bottom
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Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
1. Position cylinder assembly (1) and support (6) into a suitable press. Compress recoil spring
(4) with Tooling (A) and the suitable press. Compress recoil spring (4) so that dimension
(X) is approximately 251 ± 1.5 mm (10 ± 0.060 inch). Install nut (5) and slowly release the
spring tension.
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Caterpillar Cat 304E Mini Hydraulic Excavator (Prefix TSR) Service Repair Manual (TSR00001 and up).pdf

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Caterpillar Cat 304E Mini Hydraulic Excavator (Prefix TSR) Service Repair Manual (TSR00001 and up).pdf