HydraulicsHard
Swing Motor Repair
Diagnose and repair swing motor leaks or failures affecting turret rotation.
Estimated: 4-6 hours
1 model-specific guide
Model-Specific Guides
General Guide
Swing Motor Leak Repair
The swing motor rotates the upper turret. Leaks often occur at shaft seals or housing gaskets. Internal wear requires motor rebuild or replacement.
Tools Required:
Socket setSeal pick setClean containersShop rags
Safety Notes
- • Swing brake must be engaged
- • Support turret before removing motor
General Steps:
1
Identify source of leak - shaft seal, case drain, or housing.
2
Remove swing motor cover and disconnect hydraulic lines.
3
Mark lines and fittings for reassembly.
4
Remove motor mounting bolts.
5
Remove motor and inspect drive coupling.
6
Replace seals or rebuild motor as needed.
7
Reinstall motor with new gaskets.
8
Reconnect lines and bleed air from system.
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