Service Repair Manual
Models
336D L and 336D LN Excavator
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Product: EXCAVATOR
Model: 336D LN EXCAVATOR MYG
Configuration: 336D L & 336D LN Excavators MYG00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30
Publication Date -01/03/2015
Date Updated -15/08/2018
i02553557
Swing Motor - Disassemble
SMCS - 5058-015-ZW
Disassembly Procedure
Table 1
Required Tools
Tool Part Number
Part Description
Qty
A
1U-7506
Adapter Kit
1
8T-4244
Nut
6
8T-4223
Hard Washer
6
-
Threaded Rod M12 by 1.75 by 150mm
1
B
6V-7887
Puller Leg
2
5F-7344
Puller Block
1
1P-0074
Slide Hammer Puller Gp
1
5P-4750
Adjusting Screw
1
C
8T-0651
Bolt
2
8T-4167
Hard Washer
2
D
1P-1853
Retaining Ring Pliers
1
E
9S-9152
Bearing Puller Gp
1
1P-0510
Driver Gp
1
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a. Remove the swing motor. Refer to Disassembly and Assembly, "Swing Motor - Remove".
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will prevent dirt from entering the internal
mechanism.
Note: If a failure occurs, an accurate diagnosis of the cause can prevent a recurrence. Information
is available to analyze failures for piston motors. Refer to Special Publication, SEBD0641,
"Analyzing Axial Piston Pump and Motor Failures".
Note: Inspect all parts. If any parts are worn or damaged use new parts for replacement. The
installation of used parts during reconditioning is acceptable. Reuse and salvage information is
available on piston motors. Refer to Guideline For Reusable Parts and Salvage Operations,
SEBF8032, "Piston Pumps and Motors". During reconditioning, correct any conditions that might
have caused