Service Repair Manual
Model
320C, 320C L 320CL, 320C LN
320CLN Excavator
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Product: EXCAVATOR
Model: 320C EXCAVATOR GLA
Configuration: 320C, 320C L, 320C LN Excavators GLA00001-UP (MACHINE) POWERED BY 3066 Engine
Disassembly and Assembly
320C Excavator Machine Systems
Media Number -RENR3826-16
Publication Date -01/11/2014
Date Updated -30/03/2016
i01972529
Swing Motor - Install
SMCS - 5058-012-ZW
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
FT-2674
Vacuum Cap
1
B
138-7573
Link Bracket
2
C
1U-8846
Gasket Sealant
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.
1. Prior to the installation of the swing motor, make sure that the mating surfaces of the swing
motor and the swing drive are thoroughly clean and dry.
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2. Apply Tooling (C) on the mating surface of the swing motor and the swing drive housing.
Illustration 1
g00694494
3. Attach Tooling (B) and a suitable lifting device to swing motor (23). The weight of swing
motor (23) is approximately 55 kg (120 lb).
Illustration 2
g00694484
4. Install the washers and bolts (20).
5. Tighten bolts (20) to a torque of 240 ± 40 N·m (177 ± 30 lb ft).
6. Install anti-reaction valve (22). Install the washers and bolts (21). Tighten bolts (21) to a
torque of 55 ± 10 N·m (40 ± 7 lb ft).
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Illustration 3
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