adminmmmr

About adminmmmr

This author has not yet filled in any details.
So far adminmmmr has created 1703 blog entries.

Rottler EM105H CNC Multipurpose Boring and Milling Machine Cleaning, Tramming and Checking

As much as we don't want to stop workflow it is important to take the time to clean & check our machinery on a regular basis. Keeping the machines clean & taking the time to remove the covers to check the ways, gib screws & oiling system ensures we get the best longevity from our [...]

2024-05-01T02:05:16+00:00May 1st, 2024|Machine Shop|

Shell and Tube Oil Cooler Heat Exchanger Cleaning, Repair and Pressure Testing

Here’s some before & after pics of a shell-and-tube heat exchanger that came in. This heat exchanger is an oil cooler which is cooled by the engine coolant. This is referred to as a liquid-to-liquid heat exchanger rather than an air-to-liquid unit. After we got it all cleaned up we gave it a rigorous pressure [...]

2024-04-30T04:14:24+00:00April 30th, 2024|Radiator Shop|

Heavy Duty Industrial, Custom Aluminum, Mesabi and Oil Cooler Work In The Radiator Shop

Here’s some pics of some of the jobs we have going on in the radiator shop. We have a Caterpillar 793C mining haul truck radiator going together. A good size aluminum oil cooler that came in for cleaning & repair. Another decent sized aluminum oil cooler getting the final details. A decent sized Mesabi radiator [...]

2024-04-26T22:57:40+00:00April 26th, 2024|Radiator Shop|

Caterpillar 793C Haul Truck 2077321 Steering Stabilizer Bellcrank Y Link Tapered and Split Bores Machining and Sleeving

Here’s some pics of some Cat #207-7321 steering stabilizers we have in for repair. We call these bellcranks or y-links. The two smaller bores are tapered on the ID which houses the tapered ballstuds. The larger bore is a split bore with a key slot for retaining the main pin. We repair these according to [...]

2024-04-26T02:54:30+00:00April 26th, 2024|Industrial & Heavy Equipment|

Mesabi Radiator For Electric Shovel Motivator Power Unit Rebuilding From External Oil Fouling

Here’s some pics of a Mesabi radiator for an electric shovel motivator power unit. There was a major oil leak which has caused a considerable build up of dirt externally on & in the fins of the Mesabi radiator tubes. In addition to the external plugging the rubber grommet seals are soft from the oil [...]

2024-04-25T00:57:03+00:00April 25th, 2024|Radiator Shop|

Caterpillar 793C Haul Truck Steering Stabilizer Bellcrank Tapered Bores and Split Bore Repair

Here’s some pics of a Caterpillar 793C steering stabilizer bellcrank we delivered to one of our customers. The single bore on the one end is a split bore which we machine true & then fit with a split sleeve that we make in-house. The other end has two tapered bores which we also machine true [...]

2024-04-24T06:54:40+00:00April 24th, 2024|Industrial & Heavy Equipment|

Caterpillar 6060 Shovel Radiator and Intercooler Stack Cooling Package

Here’s some pics of a radiator & intercooler stack, or cooling package, for a Caterpillar 6060 shovel. Both the radiator & the intercooler came in with leaks in the tubes of the cores. Our customer agreed with our recommendation to recore both the radiator & intercooler with new heavy duty cores. The tanks were cut [...]

2024-04-23T04:04:20+00:00April 23rd, 2024|Radiator Shop|

Caterpillar 793F Mesabi Radiator Module Cooling Package Repair and Rebuilding

Here’s some pics of a Caterpillar 793F Mesabi Radiator Module Cooling Package we delivered back to one of the mines. The radiator itself is a Mesabi & it has seven hundred and sixty eight individual radiator tubes each of which were removed & reconditioned before being installed back into the radiator frame assembly with all [...]

2024-04-20T00:44:31+00:00April 20th, 2024|Radiator Shop|

Grader Circle Teeth Damaged and Worn Repair With New Segments

Here's some pics of a 16M Caterpillar grader circle assembly we're repairing. The teeth that the circle drive pinion gear engage with to spin the circle & moldboard are worn to almost nothing. We cut the bad teeth out & fit the circle for new segments. Once the new teeth, or segments, are tack welded [...]

2024-04-19T01:04:51+00:00April 19th, 2024|Industrial & Heavy Equipment|

Atlas Copco Epiroc Drill Rig Oil Cooler and Aftercooler CAC Repairing

Here’s some pics of a couple of aluminum coolers we picked up for an Atlas Copco, or Epiroc, drill rig for repair & return. The black cooler with the yellow fan shroud is an all aluminum CAC (charge air cooler) or aftercooler. The gray cooler is also all aluminum & it is an oil cooler. [...]

2024-04-18T04:44:07+00:00April 18th, 2024|Radiator Shop|