Service Repair Manual
Models
M312 Excavator
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Product: EXCAVATOR
Model: M312 EXCAVATOR 6TL
Configuration: M312 Excavator 6TL00001-00409 (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
M312 and M315 Excavators Machine Systems Supplement
Media Number -RENR4023-01
Publication Date -01/02/2009
Date Updated -17/02/2009
i03484220
Swing Drive - Disassemble
SMCS - 5459-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number
Part Description
Qty
A
138-7575
Link Bracket
2
B
1P-0510
Driver Gp
1
C
1U-8759
Retaining Ring Pliers
1
D
5P-4758
Retaining Ring Pliers
1
E
1P-1859
Retaining Ring Pliers
1
F
1P-1855
Retaining Ring Pliers
1
G
156-7100
Puller
1
H
1P-1863
Retaining Ring Pliers
1
J
305-4538
Spanner Socket(1)
1
240-8274
Insert(2)
1
174-9465
Spanner Socket(3)
1
K
1P-0520
Driver Gp
1
(1) Used on the part number 152-7372 Swing Drive Gp
(2) Used on the part number 152-7372 Swing Drive Gp
(3) Used on the part number 152-7375 Swing Drive Gp
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Start By:
a. Remove the swing drive. Refer to Disassembly and Assembly, "Swing Drive - Remove".
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting, and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Cat products.
Dispose of all fluids according to local regulations and mandates.
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent contaminants from entering
the internal mechanism.
Illustration 1
g01027113
1. Attach Tooling (A) and a suitable lifting d