Caterpillar Cat 305E Mini Hydraulic Excavator (Prefix XFA) Service Repair Manual (XFA00001 and up).pdf

Service Repair Manual
Models
305E Mini Hydraulic Excavator

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Product: MINI HYD EXCAVATOR
Model: 305E MINI HYD EXCAVATOR XFA
Configuration: 305E Mini Hydraulic Excavator XFA00001-UP (MACHINE) POWERED BY C2.4 Engine
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
i04778181
Main Hydraulic Pump - Assemble
SMCS - 5070-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Gp 1
B 1P-1858 Retaining Ring Pliers 1
Illustration 1 g01222569
1. Install bearing (50).
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305E Mini Hydraulic Excavator XFA00001-UP (MACHINE) POWERED BY C2.4 E...
2020/2/5
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2. Install spool (49).
3. Install retainer (48).
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Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
4. Install retainer (44), spring (47), spring (46), and pin (45).
5. Install port plate (42) and shim (43).
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injury.
6. Install washer (41), spring (40), and washer (39) into barrel (36).
7. Use Tooling (A) and Tooling (B) in order to install retaining ring (38).
8. Install pins (37).
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9. Install barrel (36), bearing (35), retainer (34), and pistons (33).
10. Install swashplate (32) and O-ring seal (31) into housing (30).
11. Install gasket (27), shaft (28), and shim (29).
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12. Install bearing (26), bearings (24), screws (25), and O-ring seal (23).
13. Install lip seal (22).
14. Use Tooling (A) in order to install retaining ring (21).
15. Install cover (20) and bolts (19).
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16. Install gears (17) into housing (18).
17. Install O-ring seals (16).
18. Install cover (14) and bolts (15).
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20. Install gear pump (12) and two bolts (11).
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injury.
22. Install spool (4), retainer (5), retainer (6), spring (7), O-ring seal (9), and plug (8).
23. Install plug (3), valve (2), and bolts (1).
End By:
a. Install the hydraulic pump.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Wed Feb 5 14:13:57 UTC+0800 2020
9/9
2020/2/5

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Systems
i04778174
Main Hydraulic Pump - Install
SMCS - 5070-012
Installation Procedure
1. Attach a suitable lifting device to main hydraulic pump (5). The weight of main hydraulic
pump (5) is approximately 45 kg (100 lb). Install main hydraulic pump (5) and bolts (7).
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2. Install hose (6). Connect hose assemblies (1), (2), (3), and (4) to main hydraulic pump (5).
3. Check the level of the hydraulic oil tank. Refer to Operation and Maintenance Manual,
"Hydraulic Oil Level - Check".
End By:
a. Install the counterweight.
Wed Feb 5 14:14:53 UTC+0800 2020
2/2
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Systems
i04734310
Selector Valve (Alternate Pattern Control) - Remove
SMCS - 5065-011
Removal Procedure
Start By:
a. Release the system pressure.
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 in order to prevent fluid loss and to keep
contaminants from entering the system.
1. Remove bolts (1) and (2). Remove guard (3).
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2. Disconnect hose assemblies (4). Disconnect harness assemblies (6). Remove bolts (7) and
remove selector valve (5).
Wed Feb 5 14:15:50 UTC+0800 2020
2/2
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Systems
i04734409
Selector Valve (Alternate Pattern Control) - Install
SMCS - 5065-012
Installation Procedure
1. Position selector valve (5) and install bolts (7). Install harness assemblies (6) and hose
assemblies (4).
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2. Position guard (3) and install bolts (1) and (2).
Wed Feb 5 14:16:47 UTC+0800 2020
2/2
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Systems
i04734450
Control Manifold (Pilot Oil) - Remove - Hydraulic Lockout,
Swing Brake and Travel
SMCS - 5264-011
Removal Procedure
Start By:
a. Remove the accumulator for the hydraulic pilot oil.
1. Disconnect hose assemblies (1). Disconnect harness assemblies (2) and (3).
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2. Disconnect hose assembly (4). Remove bolts (6) and remove valve (5).
Wed Feb 5 14:17:44 UTC+0800 2020
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2020/2/5

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Systems
i04778177
Control Manifold (Pilot Oil) - Disassemble - Hydraulic
Lockout, Swing Brake and Travel
SMCS - 5264-015
Disassembly Procedure
Start By:
a. Remove the control manifold.
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
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Follow the recommended procedure and use all recommended tooling to
release the spring force.
1. Remove bolts (3) and solenoids (1). Remove bolts (4) and cover (2).
2. Remove O-ring seals (5) and plungers (6).
3. Remove spring (8) and O-ring seal (7).
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4. Remove plunger (9) and shims (10).
5. Remove plugs (11) and the O-ring seals.
6. Remove springs (13) and spools (12).
Wed Feb 5 14:18:40 UTC+0800 2020
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Systems
i04778185
Control Manifold (Pilot Oil) - Assemble - Hydraulic Lockout,
Swing Brake and Travel
SMCS - 5264-016
Assembly Procedure
1. Install spools (12) and springs (13).
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Caterpillar Cat 305E Mini Hydraulic Excavator (Prefix XFA) Service Repair Manual (XFA00001 and up).pdf

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