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Hydraulic SystemXR620/621/842/1045/1245/1254/1267/1534/2050/3034Hydraulic fluid under pressure can penetrate the skin, causing death or extremelyserious injury. Amputation of hands and arms is often necessary to prevent death.If this procedure is followed correctly, the maximum pressure available at test portGLS is 500 psi. The pressure will be much less simply by connecting the test hoseto the port slowly until sufficient flow is obtained to fill the fluid sample bottle.DO NOT operate the boom control, attachment tilt, or frame sway joysticks duringthis procedure. If any of these joysticks are operated, the pressure at test port GLScan increase to 3,500 psi thereby creating an extremely hazardous situation.1. In one hand, hold fluid sample bottle upright with one end of test hose secured at opening of bottlewith thumb and forefinger.2. With other hand's thumb and forefinger, very slowly screw other end of test hose into test port GLSuntil fluid begins to flow into fluid sample bottle.3. Fluid flow rate is controlled by how far hose connector is screwed on to test port GLS. Unscrew hoseconnector from test port when bottle is almost full.4. Place cap on fluid sample bottle and tighten.5. Remove test hose from test port GLS and reconnect cap.6. Clean any spilled hydraulic fluid.7. Close front cover.Service Manual Rev 01 – 05/10 8-22P/N 24933-000