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CYLINDER REPAIR<br />
BACKHOES<br />
SWING CYLINDER DISASSEMBLY AND REPAIR—47 BACKHOE<br />
Piston<br />
Wear Ring<br />
Back-up Ring<br />
Lock Nut<br />
O-Ring<br />
O-Ring<br />
Gland<br />
Rod Wiper<br />
O-Ring<br />
Rod Seal<br />
Retaining Ring<br />
Retaining Ring<br />
Piston<br />
Wear Ring<br />
Rod Wiper<br />
O-Ring<br />
Rod<br />
Lock Nut<br />
O-Ring<br />
Gland<br />
O-Ring<br />
Rod Seal<br />
Back-up Ring<br />
M94884<br />
1. Replace wipers, seals, O-rings, and backup rings.<br />
2. Inspect rod for straightness, nicks, and scratches.<br />
3. Lubricate all parts in hydraulic fluid during assembly.<br />
4. Tighten lock nut to 271 N•m (200 lb-ft).<br />
5. Pressure test at 20 684 kPa (3000 psi) for leakage.<br />
3-28 6/22/99
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