INITIAL LIFTING LOADS

CRANE MISUSE - cont - TM-5-3810-306-10_66

TM-5-3810-306-10 Container Crane 40-Ton Rough Terrain Model RTB75CC Manual
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TM 5-3810-306-10 THIS CRANE IS NOT EQUIPPED WITH ANY WARNING OR INSULATING DEVICES THAT CAN PROTECT YOU FROM ELECTRICAL SHOCK. USE EXTREME CAUTION WHEN WORKING AROUND OR NEAR AN ENERGIZED POWER SOURCE OR POWER LINES. ELECTRICITY CAN CAUSE SEVERE INJURY OR DEATH IF CONTACT OCCURS. ENSURE THAT ALL PERSONNEL ARE AWARE OF SAFETY PROCEDURES. NOTE Carefully read and become familiar with all crane operating instructions before attempting a preload check and operating the crane under load. OPERATE THE ENGINE AT OR NEAR FULL GOVERNED RPM DURING PERFORMANCE OF ALL CRANE FUNCTIONS. PRELOAD CHECK. After the crane has been readied for service, an operational check of all crane functions (with no load applied) should be performed. Accomplish the Preload Check as follows: 1. Check all pin connections, bolts, latches, locks, braking and restricting devices and operational aids before operation. Perform a visual inspection and replace/tighten any damaged or loose devices prior to initiating any craning or traveling operations. 2. Check all braking and holding devices before operation. Perform an operational check of all brake (wheel and swing) and safety holding devices before starting any crane or traveling operations. 3. Check swing brake. Make certain the swing brake operates correctly. Unexpected free swinging of a boom can be dangerous. Be sure everyone is clear of the crane and work area before swinging boom. 4. Raise, lower and swing the boom right and left a minimum of 45 degrees. 5. Telescope the boom in and out. 6. Raise and lower the cable a few times at various boom lengths. Ensure there is no kinking. INITIAL LIFTING LOADS 1. Ensure that all slings, ties and hooks are correctly placed and secured before raising or lowering load. 2. Use tag lines, as appropriate, for positioning and restraining loads. Check load slings before lifting. WARNING Use only slings or other rigging devices rated for the job and use them properly. Never wrap the hoist cable around a load. Check all tackle, hardware and slings before use. Refuse to use faulty equipment. 3. Be sure load is secured and attached to hook with rigging. 4. Be sure everyone is clear of crane and work area before making any lifts. 5. Always refer to the capacity on load chart in the cab BEFORE making any 2-43

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