Service Repair Manual
Models
301.8 Mini Hydraulic Excavator
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Product: MINI HYD EXCAVATOR
Model: 301.8 MINI HYD EXCAVATOR H8X
Configuration: 301.8 Mini Hydraulic Excavator H8X00001-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
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1. Install seal (16) and spacer (17).
Illustration 2
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2. Install O-ring seal and backup ring (14). Install O-ring seal (15).
Illustration 3
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Illustration 4
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3. Install bushing (10). Install O-ring seal (13). Install inner seal (12), and outer seal (11).
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Illustration 5
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4. Install cylinder nut (6) onto rod end (9). Apply oil on seals and rod end for assembly.
Illustration 6
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Illustration 7
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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).
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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
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