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Safety and Operating instructions - Crowder Hydraulic Tools

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<strong>Safety</strong> <strong>and</strong> operating <strong>instructions</strong>www.<strong>Crowder</strong>Supply.com • Toll Free: 888-883-5144LP 13-30 P<strong>Crowder</strong> Supply Co., Inc. • 8495 Roslyn St., Commerce City, CO 80022 • Toll Free: 888-883-5144 • www.<strong>Crowder</strong>Supply.com<strong>Hydraulic</strong> control <strong>and</strong>connectorsThe by-pass valve (1) shall be in the OFF positionwhen starting <strong>and</strong> in the ON position when usingthe work tool.Connectors (2) <strong>and</strong> (3) are used to connect thepower pack to the work tool as follows:► Connector (2) = Return (female Q.R. couplingon hose).► Connector (3) = Feed (male Q.R. coupling onhose).Connecting/disconnectinghosesEnsure that the work tool you plan to use iscompatible with the model of power pack beingused. Otherwise, both the power pack <strong>and</strong> thework tool might be harmed. Check the "Technicaldata" in this instruction book <strong>and</strong> compare theflow rate with the technical specifications in theinstruction book for the work tool.Connecting hoses► Turn the by-pass valve to the OFF position <strong>and</strong>stop the engine.► Make sure the couplings are clean <strong>and</strong>serviceable.► Attach the return line hose <strong>and</strong> the feed linehose.► Start the engine <strong>and</strong> run the power pack to fillup the hydraulic circuit. Check the hydraulic oillevel.Disconnecting hoses► Turn the by-pass valve to the OFF position <strong>and</strong>stop the engine.► Remove the return line hose <strong>and</strong> the feed linehose.The couplings are unlocked by moving the collarback on the coupling.Hose lengthFor power packs giving a flow of 20 l.p.m. (5 USgal/min), a maximum hose length of 21 m (69 ft)is recommended. For power packs giving a higherflow, a maximum hose length of 14 m (46 ft) isrecommended.Normally, 7 m (23 ft) of Twin hose is used for thepower pack.Twin hoses <strong>and</strong> other accessories are shown in thespare parts list.12© 2007 Atlas Copco Construction <strong>Tools</strong> AB | No. 3392 5051 81 f | 2007-07-13

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