Genie TZ-50 Servise Manual

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2 - 6 Genie TZ-50/30 Part No. 84577Section 2 • SpecificationsREV ANovember 2004SPECIFICATIONSHydraulic Hose and FittingTorque SpecificationsYour machine is equipped with Parker Seal-Lok®fittings and hose ends. Genie specificationsrequire that fittings and hose ends be torqued tospecification when they are removed and installedor when new hoses or fittings are installed.SAE O-ring Boss Port(tube fitting - installed into Aluminum)SAE Dash size Torque-4 11 ft-lbs / 14.9 Nm-6 23 ft-lbs / 31.2 Nm-8 40 ft-lbs / 54.2 Nm-10 69 ft-lbs / 93.6 Nm-12 93 ft-lbs / 126.1 Nm-16 139 ft-lbs / 188.5 Nm-20 172 ft-lbs / 233.2 Nm-24 208 ft-lbs / 282 NmSAE O-ring Boss Port(tube fitting - installed into Steel)SAE Dash size Torque-4 16 ft-lbs / 21.7 Nm-6 35 ft-lbs / 47.5 Nm-8 60 ft-lbs / 81.3 Nm-10 105 ft-lbs / 142.4 Nm-12 140 ft-lbs / 190 Nm-16 210 ft-lbs / 284.7 Nm-20 260 ft-lbs / 352.5 Nm-24 315 ft-lbs / 427.1 NmSeal-Lok® Fittings(hose end)SAE Dash size Torque-4 18 ft-lbs / 24.4 Nm-6 27 ft-lbs / 36.6 Nm-8 40 ft-lbs / 54.2 Nm-10 63 ft-lbs / 85.4 Nm-12 90 ft-lbs / 122 Nm-16 120 ft-lbs / 162.7 Nm-20 140 ft-lbs / 190 Nm-24 165 ft-lbs / 223.7 NmTorque ProcedureSeal-Lok® fittings1 Replace the O-ring. The O-ring must bereplaced anytime the seal has been broken.The O-ring cannot be re-used if the fitting orhose end has been tightened beyond fingertight.The O-rings used in the ParkerSeal Lok® fittings and hose endsare custom-size O-rings. They arenot standard SAE size O-rings.They are available in the O-ringfield service kit.2 Lubricate the O-ring before installation.3 Be sure that the face seal O-ring is seated andretained properly.4 Position the tube and nut squarely on the faceseal end of the fitting and tighten the nut fingertight.5 Tighten the nut or fitting to the appropriatetorque per given size as shown in the table.6 Operate all machine functions and inspect thehoses and fittings and related components toconfirm that there are no leaks.