 Recognized as the Leader in repair of cracked or damaged castings. We do field machining, alignment and consultation for equipment problems, world-wide. Rich in experience----Eager to serve |
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Reynolds French Fix #3
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Cooper-Bessemer first produced the GMV in 1938. Reynolds-French is working to ensure that many of these first engines will be running in the 21st century. Let Us Show You How!
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Typical Repairs illustrated below:Spreader Bar and Dowel Pin Fit Crosshead Guide Flange and Air Box GMV Power Cylinder Area Repairs GMV Main Saddle Replacement Field Machine Work Repair of Power Cylinder Heads |
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After years of service, even the best-built equipment will have problems, especially without proper maintenance. This brochure highlights some of the more common problem areas. Let REYNOLDS-FRENCH inspect and resolve any potential equipment problems you may be having. |
SPREADER BAR AND DOWEL PIN FIT
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GMVC with damaged spreader bar dowel landing
replaced. Steel fabrication installed and machined on site.
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Worn spreader bar dowel pins replaced with oversized pins to correct excessive movement and crankcase door bolt breakage problems.
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CROSSHEAD GUIDE FLANGE AND AIR BOX
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Misalignment of engine, crosshead guide compressor cylinders or bottles can cause major damage to side of main frames. |
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Crosshead guide flange replaced with steel fabrication and machined on
site.
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Damaged wall between airbox and crankcase removed.
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Damaged wall replaced with fabrication and sealed. On site repair
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GMV POWER CYLINDER AREA REPAIRS
Common Repairs for the GMV:The GMV series engines have a common design for the base. As the horsepower was increased with blowers and turbochargers, we found breakage in area shown in the cross sectional drawing to the right. All GMV, GMVTF, GMVA, and GMVC engines built or converted before 1960 should have an annual air box inspection. GMV base cross sectional drawing showing area where breakage is found (orange lines). |
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If damage in upper view is not repaired, crack will extend
into crankcase webbing in front of main bearing cap (See arrows)
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View inside airbox. Cracked power cylinder bolt boss is
highlighted (see arrows).
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If crack extends as shown in drawing into crankcase, reinforcement will be required
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Power cylinder boss is reinforced with special bolt extending from cylinder landing to wrist pin removal hole in crankcase.
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GMV MAIN SADDLE REPLACEMENT
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A major repair on a GMV, in the field, using steel
fabrications and on-site machine work. REYNOLDS-FRENCH has replaced bearing
saddles in many styles of engines using castings or steel fabrications |
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Damaged casting removed. Arrows point out cracked areas.
Fabrication bolted and secured to cast iron base. Fabrication is welded steel to
steel only. Machined to OEM standards.
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Damaged main bearing being
removed by machining 
Frame ready to receive fabrication  Completed on-site repairs. |
FIELD MACHINE WORK
OEM specs maintained by use of portable machine tools and REYNOLDS-FRENCH expertise.
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Following are a few
of our on-site machine services:
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Main bearing cap landing
and jaw fit being machined. 
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Frame being linebored after repairs to main bearing
saddle. Engine bored to OEM standard
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Spreader bar landings and bar
fit being milled to size on site. |
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REPAIR OF POWER CYLINDER HEADS
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REYNOLDS-FRENCH has repaired and has available many of
the hard-to-find GMV cylinder heads. REYNOLDS-FRENCH cold repair on cylinder heads doesn't distort the existing machine surfaces.
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GMV cylinder head damaged in
gas valve hole and spark plug area. |
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GMV cylinder head bored for bushing in gas valve area. Damaged area removed and
will be replaced by bushing screwed in and laced in for complete metal-to-metal
contact.
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Before and after repairs
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Reynolds French has a
COMPLETE MACHINE SHOP AND FACILITIES We Work On Your Site or In Our Shop. |
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Reynolds French & Co. 12525 E. 60th St. Tulsa, OK 74146 |
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