by Donnie Hurt | Oct 1, 2023 | OPERATIONS
HOW BIG IS YOUR WARRANTY “90-DAY WARRANTY”… “1-YEAR WARRANTY”… “LIMITED LIFETIME WARRANTY”… Many shop owners hand write the coverage on the customer’s invoice. But what does it cover? Does this protect your...
by Donnie Hurt | Sep 1, 2023 | OTHER SHOP WORK
CNC FEED & FEED CHART Shops with CNC mills often need to do a “quick” task, such as drilling a few holes, or taking a cut along one axis, etc. this tip discusses 3 methods to do so. Most machines have a pendant or hand wheels the operator can use to...
by Donnie Hurt | Sep 1, 2023 | DISASSEMBLY & CLEANING
MORE DOWEL REMOVAL A great way of pulling precision dowels without damaging them, is to make a collared spud that slip fits into the dowel. Then, use a collet type dowel pin puller. The spud will allow the collet to clamp down without collapsing the dowel. We use this...
by Donnie Hurt | Sep 1, 2023 | ASSEMBLY
PISTON TO VALVE Everyone knows the clay method for piston to valve checks. Some people like to use a dial indicator with light “checker” valve springs installed, but that method doesn’t tell you about the actual numbers with the real valve spring installed. So, first...
by Donnie Hurt | Sep 1, 2023 | LUBRICATION & COOLING
OIL PUMP PRESSURE TESTER When modifying oil pumps for max relief pressure, it can be a crapshoot until the engine is running. This is one of my 50-year-old test units manufactured essentially from spare parts. A main cap, pressure gauge, and a sealable container. (To...
