Service Repair Manual
Models
308E2CR Mini Hydraulic Excavator
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Product: MINI HYD EXCAVATOR
Model: 308E2CR MINI HYD EXCAVATOR PC8
Configuration: 308E2CR Mini Hydraulic Excavator PC800001-UP (MACHINE) POWERED BY C3.3B Engine
Disassembly and Assembly
308ECR and 308ESR Mini Hydraulic Excavators Machine Systems
Media Number -UENR3284-03
Publication Date -01/12/2017
Date Updated -05/12/2017
i07124317
Offset Boom - Remove and Install
SMCS - 6521-010
Removal Procedure
Table 1
Required Tools
Tool Part Number
Part Description
Qty
A
283-1495
Stand Assembly
1
B
140-7742
Protective Sleeve
1
C
9U-5340
Receiver Sleeves
2
-
M-16X2 Threaded Rod X 762 mm long
1
6V-3170
Double Acting Cylinder
1
350-7768
Electric Hydraulic Pump Gp (115V)
1
350-7769
Electric Hydraulic Pump Gp (230V)
Start By:
a. Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic
System Pressure - Release"
b. Remove the stick cylinder.
c. Remove the stick.
1. Lower the boom to the ground.
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Illustration 1
g03348897
2. Attach a suitable lifting device to boom cylinder (4). The weight of boom cylinder (4) is
approximately 120 kg (265 lb). Remove nuts (2) and bolt (1). Remove pin (3).
Illustration 2
g03347364
3. Lower boom cylinder (4) onto Tooling (A).
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Illustration 3
g03352931
4. Remove cover assembly (5).
Illustration 4
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5. Disconnect hose assemblies (6) and (7).
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Illustration 5
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6. Disconnect hose assemblies (8) and (9).
Illustration 6
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7. Di