A slender oil pipe with many elbows and not fixed could cause the pipe to shake when the oil flow rate is high. An unbalanced rotating part of the motor and hydraulic pump, poor alignment during installation, or loose coupling can generate vibration and noise.
[pdf] Disassemble the air compressor cylinder head. Refer to Procedure 012-106. Use a coupling puller, Part Number 3376663, or equivalent, to remove the spline coupling hub. Remove the front thrust bearing. Remove the three flange head capscrews. Remove the three captive washer capscrews.
[pdf] Fasten head end of cylinder to cylinder service stand. 2. Remove line (B). 3. Pull rod out so piston is against rod guide. 4. Connect rod to a hoist using a lifting strap. 5. Remove cap screws (A). 6. Pull rod, rod guide and piston from barrel.
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