MRC Technologies

Shown below is a summary of work performed and photographs of a Symons 4-1/4' Standard Head Crusher that is in the final stages of re-assembly.

Main Frame:

• Socket to mainframe fit, welded and re-machined to print.
• Inner countershaft diameter in mainframe welded and re-machined.
• Outer countershaft diameter in mainframe welded and re-machined.
• Areas of mainframe next to countershaft box erosion missing approximately 6"x10", fit/weld/grind scab plate on mainframe.

Adjustment Ring:

• Welded and re-machined 30° and 45° seats.
• Welded and re-machined threads.
• Weld new mainframe pin covers.

Adjustment Cap:

• Reconditioned with keys to bowl locks refurbished.

Counter Shaft Box:

• Repaired flange
• 1/2" spacer plate installed with 1/4"  o-ring.
• Disassembled shaft, which were in spec and reassembled, inspected bushings.

Socket:

• New oil guard ring installed.
• Spring housing holes restored with hardened bushings.
• Socket fit welded and re-machined.
• Socket fit to liner welded and re-machined.
• New socket liner installed.
• New spring and housing installed.
• New keys and dowels installed.

Head:

• Welded and re-machined head ball and wipers.
• Mantle set within spec.
• Orifice within spec.
• Welded and ground gouges next to threads under tourch ring.

Bowl:

• Repaired cracks in bowl sidewall.
• Restored threads to print.
• Welded and ground bowl locks to fixture for contact to adjustment ring.
• Welded and re-machined bowl liner seat.

Socket Sealing Ring:

• Excellent like new condition.

Eccentric:

• Inner bushing removed and re-seated for correct height and new lock poured.
• Inner bushing in very good condition.
• Strap lap major O.D.
• Gear teeth dressed

Main Frame Cap:

• Fits restored to bowl lugs to fixture.