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Instruções de Operação Grizzly, Modelo G0503

Fabricante : Grizzly
Arquivo Tamanho: 4.34 mb
Arquivo Nome : g0503_m.pdf
Língua de Ensino: en
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The hydraulic system on this machine creates very high pressure and the hydraulic fluid gets hot. Always stop the resaw, make sure the pressure gauge reads 0 pSI, and make sure the fluid cools down before servicing the hydraulic system. To inspect the hydraulic fluid: 1. look at the color of the hydraulic fluid in the sight window. —if the fluid is milky in appearance, then the hydraulic fluid is contaminated with water. —if the fluid is dark brown or opaque, then the hydraulic fluid is severely contaminated or thermal breakdown has occurred. 2. smell the hydraulic fluid (remove breather cap). —if the fluid smells rancid or burnt, then the hydraulic fluid has overheated and thermal breakdown has most likely occurred. Correct the component that is causing thermal breakdown (see Troubleshooting on page 68). 3. determine what service is needed. —if the fluid is transparent and does not smell burnt or rancid, perform a minor service. —if the fluid is opaque, smells rancid or burnt, fix the source of contamination or the component causing thermal breakdown, then perform a major service. -37 Model g0503 (Mfg. since 12/08) To change the filter: 1. Read and understand the hydraulic safety instructions on page 11 before continuing! 2. Disconnect the resaw from the power source! 3. thoroughly clean the area around the filter to prevent contamination of the hydraulic fluid. 4. remove the filter shown in figure 49. replacement filter kits can be ordered from grizzly industrial using part number p0503B74. Filter pressure gauge hydraulic Fluid Filter figure 49. hydraulic fluid filter. 5. dry the filter base to remove any excess hydraulic fluid. 6. rub clean grease on the filter gasket and screw the new filter into the filter base. 7. tighten the filter by hand until the gasket contacts the base—then tighten another full turn. 8. plug in the resaw and start the conveyor belt. 9. inspect the hydraulic system for leaks. -38 Hydraulic System Major Service a major service consists of performing a “Minor service,” plus draining the fluid, cleaning the tank and screen, and filling the tank with new fluid. The hydraulic fluid is hot and under high pressure when the hydraulic pump motor is running. Always stop the resaw, make sure the pressure gauge reads 0 pSI, and make sure the fluid is cool before servicing. Tools Needed Qty wrench/socket 17mm.......................................1 wrench/socket 10mm.......................................1 drain pan 20 gal............................................... 1 Supplies Needed Qty iso Vg 46 hydraulic Fluid........................14 gal solvent ......................................................Varies To drain the hydraulic fluid: 1. Disconnect the resaw from the power source! 2. with your drain pan in place, remove the drain plug shown in figure 50 and allow the tank to completely drain. drain plug figure 50. hydraulic tank drain plug. Model g0503 (Mfg. since 12/08) To clean the tank screen: 1. thoroughly clean the area around the tank access plate to prevent contamination of the hydraulic fluid. 2. remove the access plate bolts shown in figure 51. figure 51. tank access plate. 3. Carefully lift the access plate, pivoting around the hinge fitting in the tubing. 4. inspect the access plate gasket for leakage. replace with part p0503B76-1 if worn. 5. remove the tank screen from inside the tank, clean it with solvent and compressed air, and allow it to dry. 6. use a lint free rag to wipe up and remove any sludge from the bottom of the tank. 7. use clean hydraulic fluid on a clean rag to wipe up additional contaminants from the bottom and sides of the tank. 8. re-install the tank screen, replace the access plate and gasket on top of the tank, and install the drain plug. 9. Fill the tank with iso Vg 46 hydraulic fluid until the sight window is 2.3 full between the hi and low marks on the sight window. note— This will take approximately 14 gallons. Wheel Scrapers the wheel scrapers ride directly on the wheels removing dust and shavings. the constant motion of the wheels cause the scrapers to wear down. Eventually they will need to be replaced. Tools Needed Qty wrench/socket 13mm ....................................... 1 To replace the scrapers: 1. Disconnect the resaw from the power source! 2. inspect the scraper to determine if it needs replaced. if the scraper is nearly parallel with the wheel, it should be replaced. 3. remove the nut and lock washer. 4. unthread the weight from the pivoting plate and remove the scraper. 5. replace the scraper with part p0503522. 6. replace the weight, lock washer, and nut. 7. position the scrapers so the tip is against the rotation of the wheel as shown in figure 52. wheel scraper wheel scraper figure 52. wheel scrapers. Model g0503 (Mfg. since 12/08) -39 SEcTION 7: SERvIcE Locking Disconnect Switch Power Source Always disconnect power to the machine Conduit Conduit before performing service adjustments. failure to do this may result in serious pers...


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