2. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 301.5 MINI HYD EXCAVATOR MNH
Configuration: 301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 Engine
Disassembly and Assembly
301.5,301.6,301.7,301.8,302 Mini Hydraulic Excavator Machine Systems
Media Number -M0092231-00 Publication Date -01/09/2018 Date Updated -11/09/2018
i07496157
Hydraulic System Pressure - Release
SMCS - 5050-553-PX
Personal injury or death can result from sudden machine movement.
Sudden movement of the machine can cause injury to persons on or
near the machine.
To prevent injury or death, make sure that the area around the machine
is clear of personnel and obstructions before operating the machine.
Coolant System
Pressurized system: Hot coolant can cause serious burn. To open cap,
stop engine, wait until radiator is cool. Then loosen cap slowly to relieve
the pressure.
To relieve the pressure from the coolant system, turn off the machine. Allow the cooling system
pressure cap to cool. Remove the cooling system pressure cap slowly to relieve pressure.
Hydraulic System
1/2
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
3. 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.
1. Lower the work tools to the ground.
2. Shut off the engine.
3. Turn the key to the ON position before moving the joysticks.
4. Move the joysticks through the full range of travel. This will relieve any pressure that may
be present in the hydraulic system.
5. Slowly loosen the filler cap to release the pressure in the hydraulic tank.
6. Tighten the filler cap.
7. The pressure in the hydraulic system has been released. Lines and components can be
removed.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Apr 18 22:50:27 UTC+0800 2020
2/2
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
4. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 301.5 MINI HYD EXCAVATOR MNH
Configuration: 301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 Engine
Disassembly and Assembly
301.5,301.6,301.7,301.8,302 Mini Hydraulic Excavator Machine Systems
Media Number -M0092231-00 Publication Date -01/09/2018 Date Updated -11/09/2018
i07496165
System Pressure - Release
SMCS - 4000-553-PX; 4050-553-PX; 4350-553-PX; 5050-553; 5050-HR; 5050-553-PX; 6333-
553-PX; 6700-553-PX
Personal injury or death can result from sudden machine movement.
Sudden movement of the machine can cause injury to persons on or
near the machine.
To prevent injury or death, make sure that the area around the machine
is clear of personnel and obstructions before operating the machine.
Coolant System
Pressurized system: Hot coolant can cause serious burn. To open cap,
stop engine, wait until radiator is cool. Then loosen cap slowly to relieve
the pressure.
To relieve the pressure from the coolant system, turn off the machine. Allow the cooling system
pressure cap to cool. Remove the cooling system pressure cap slowly to relieve pressure.
Hydraulic System
1/2
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
5. 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.
1. Lower the work tools to the ground.
2. Shut off the engine.
3. Turn the key to the ON position before moving the joysticks.
4. Move the joysticks through the full range of travel. Moving the joysticks will relieve any
pressure that may be present in the hydraulic system.
5. Slowly loosen the filler cap to release the pressure in the hydraulic tank.
6. Tighten the filler cap.
7. The pressure in the hydraulic system has been released. Lines and components can be
removed.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Apr 18 22:51:23 UTC+0800 2020
2/2
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
6. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 301.5 MINI HYD EXCAVATOR MNH
Configuration: 301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 Engine
Disassembly and Assembly
301.5,301.6,301.7,301.8,302 Mini Hydraulic Excavator Machine Systems
Media Number -M0092231-00 Publication Date -01/09/2018 Date Updated -11/09/2018
i07397609
Blade Cylinder - Remove and Install
SMCS - 7562-010-BG
Removal Procedure
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.
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 work tools have been lowered to the ground, and
the 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.
1/3
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
7. Illustration 1 g06310133
1. Remove cover (1).
Illustration 2 g06310372
2. Disconnect hose assemblies (2) and (3) from blade cylinder (4).
Illustration 3 g06310376
2/3
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
8. Illustration 4 g06310388
3. Remove pin assemblies (5) and (6). Remove blade cylinder (4).
Installation Procedure
1. Install blade cylinder (4) in the reverse order of removal procedure.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Apr 18 22:52:20 UTC+0800 2020
3/3
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
9. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 301.5 MINI HYD EXCAVATOR MNH
Configuration: 301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 Engine
Disassembly and Assembly
301.5,301.6,301.7,301.8,302 Mini Hydraulic Excavator Machine Systems
Media Number -M0092231-00 Publication Date -01/09/2018 Date Updated -11/09/2018
i07362008
Blade Cylinder - Disassemble
SMCS - 7562-015-BG
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 152-4251 Cylinder Repair Bench 1
B 1P-2853 Spanner Wrench 1
C 280-2060 Offset Spanner Wrench 1
D
8H-8539 1 5/8" Socket 1
5P-3588 Adapter 1
Start By:
a. Remove blade cylinder.
1/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
10. Illustration 1 g06295269
Illustration 2 g06295274
1. Remove seals (1) from barrel end of blade cylinder (2). Remove seals (3) from rod end of
blade cylinder (4).
Illustration 3 g06295283
2. Mount blade cylinder (5) into Tooling (A).
2/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
11. Illustration 4 g06295331
3. Use Tooling (B) to loosen cylinder nut (6).
Illustration 5 g06295371
Illustration 6 g06295383
4. Remove cylinder nut (6) from the barrel. Place support under barrel end of cylinder (5).
3/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
12. Illustration 7 g06295398
5. Back the cylinder bench out to remove rod end (9) from the cylinder barrel. Remove set
screw and ball (7) from piston (8).
Illustration 8 g06295422
6. Use Tooling (D) to remove piston (8).
Illustration 9 g06296653
7. Remove cylinder nut (6) from rod end (9).
4/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
13. Illustration 10 g06295640
Illustration 11 g06295645
8. Remove bushing (10). Remove outer seal (11), inner seal (12), and O-ring seal (13).
Illustration 12 g06295654
9. Remove O-ring seal and backup ring (14). Remove O-ring seal (15).
5/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
14. Illustration 13 g06295667
10. Remove seal (16) and spacer (17).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Apr 18 22:53:17 UTC+0800 2020
6/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
15. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 301.5 MINI HYD EXCAVATOR MNH
Configuration: 301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 Engine
Disassembly and Assembly
301.5,301.6,301.7,301.8,302 Mini Hydraulic Excavator Machine Systems
Media Number -M0092231-00 Publication Date -01/09/2018 Date Updated -11/09/2018
i07366569
Blade Cylinder - Assemble
SMCS - 7562-016-BG
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 152-4251 Cylinder Repair Bench 1
B 1P-2853 Spanner Wrench 1
C 280-2060 Offset Spanner Wrench 1
D
8H-8539 1 5/8" Socket 1
5P-3588 Adapter 1
Illustration 1 g06295667
1/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
16. 1. Install seal (16) and spacer (17).
Illustration 2 g06295654
2. Install O-ring seal and backup ring (14). Install O-ring seal (15).
Illustration 3 g06295640
Illustration 4 g06295645
3. Install bushing (10). Install O-ring seal (13). Install inner seal (12), and outer seal (11).
2/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
17. Illustration 5 g06296653
4. Install cylinder nut (6) onto rod end (9). Apply oil on seals and rod end for assembly.
Illustration 6 g06295422
Illustration 7 g06295757
5. Mount the rod end onto Tooling (A).
Install piston (8). Use Tooling (D) to tighten piston (8). Tighten piston (8) to a torque of
400 ± 20 N·m (295 ± 15 lb ft).
3/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
18. Install ball and set screw (7). Tighten set screw (7) to a torque of 17 ± 2 N·m
(150 ± 18 lb in). Stake set screw in place once torque is applied.
Illustration 8 g06319794
Illustration 9 g06295798
6. Mount barrel end of cylinder (5) on Tooling (A).
Align barrel assembly (5) and the rod assembly for installation. Apply hydraulic oil inside
barrel assembly and on piston (8).
Install the piston and rod assembly inside the barrel assembly.
4/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
19. Illustration 10 g06295383
Illustration 11 g06295820
7. Install cylinder nut (6) into barrel assembly (5). Apply hydraulic oil to seals before
installation.
Use Tooling (C) to tighten cylinder nut (6) to a torque of 226 N·m (167 lb ft).
Illustration 12 g06295269
Illustration 13 g06295274
5/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
20. 8. Install seals (1) into barrel end of blade cylinder (2). Install seals (3) into rod end of blade
cylinder (4).
End By:
a. Install blade cylinder.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Apr 18 22:54:14 UTC+0800 2020
6/6
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
21. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 301.5 MINI HYD EXCAVATOR MNH
Configuration: 301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 Engine
Disassembly and Assembly
301.5,301.6,301.7,301.8,302 Mini Hydraulic Excavator Machine Systems
Media Number -M0092231-00 Publication Date -01/09/2018 Date Updated -11/09/2018
i07397606
Blade - Remove and Install
SMCS - 6060-010
Removal Procedure
Start By:
a. Remove blade cylinder
Illustration 1 g06310423
1. Place suitable blocking under blade assembly. Remove bolts (1) and pin assemblies (2).
1/2
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
22. 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.
23. Illustration 2 g06310444
Illustration 3 g06310445
2. Attach strap and a suitable lifting device around blade assembly (3). The weight of blade
assembly (3) is approximately 68 kg (150 lb). Remove blade assembly (3).
Installation Procedure
1. Install blade assembly (3) in the reverse order of removal.
End By:
a. Install blade cylinder
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Apr 18 22:55:10 UTC+0800 2020
2/2
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
24. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 301.5 MINI HYD EXCAVATOR MNH
Configuration: 301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 Engine
Disassembly and Assembly
301.5,301.6,301.7,301.8,302 Mini Hydraulic Excavator Machine Systems
Media Number -M0092231-00 Publication Date -01/09/2018 Date Updated -11/09/2018
i07394729
Bucket - Remove and Install
SMCS - 6001-010; 6101-010
Removal Procedure
1. Lower bucket to the ground.
Illustration 1 g06306012
1. Remove retainer bolts (1).
1/3
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
25. Illustration 2 g06306014
2. Remove pins (2) from bucket linkage and stick. Remove bucket (3).
Installation Procedure
Illustration 3 g06306014
1. Position the stick over the bucket (3). Install pins (2) through the bucket linkage and the
stick.
Illustration 4 g06306012
2/3
301.5 Mini Hydraulic Excavator MNH00001-UP (MACHINE) POWERED BY C1.1 ...
2020/4/18
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...