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TECHNICAL MANUAL

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CYLINDER REPAIR<br />

BACKHOES<br />

STABILIZER CYLINDERS DISASSEMBLY AND REPAIR—48 BACKHOE<br />

Lock Nut<br />

Piston<br />

O-Ring<br />

Back-up Ring<br />

Gland<br />

O-Ring<br />

Back-up Ring<br />

Rod Wiper<br />

Retaining Ring<br />

Lock Nut<br />

O-Rings<br />

One Piece Piston<br />

Retaining Ring<br />

Rod<br />

Note Location of 45°<br />

Chamfer on Piston<br />

for Assembly<br />

Gland<br />

Back-Up Ring<br />

M94885<br />

1. Replace wipers, O-rings, backup rings, and retaining ring.<br />

2. Inspect rod for straightness, nicks, and scratches.<br />

3. Lubricate all parts with hydraulic fluid during assembly.<br />

4. Tighten lock nut to 353 N•m (260 lb-ft).<br />

5. Pressure test for leakage 20 684 kPa (3000 psi).<br />

3-30 6/22/99

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