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Installation - TM-5-4210-233-14P-1_610
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TM-5-4210-233-14P-1 Twin Agent 4x4 Firefighting Truck Model No. CM-KFT-B Manual
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HYDRAULIC TANK RETURN FILTER - TM-5-4210-233-14P-1_612
TM 5-4210-233-14&P-1 4-188.  TESTING HYDRAULIC SYSTEM THIS TASK COVERS: a. Testing Hydraulic Pressure b. Testing Aerial Performance Times EQUIPMENT CONDITION Engine Running and warmed up to normal operating temperature a. Testing Hydraulic Pressure. (1)   To test hydraulic system pressure, move the RUN/LOCK lever on the aerial control platform to the RUN position. (2)   With all hydraulic controls in the neutral position (no hydraulic circuits actuated) the pressure indication on the SYSTEM PRESSURE gauge should be 2150 psi (14814 kPa). Pressures higher or lower than 2150 psi (14814 kPa) indicate component failure. Troubleshoot system (refer to Table 4-2) to identify fault. Replace or repair components as required. b. Testing Aerial Performance Times. (1)   With all outriggers fully extended and supporting the weight of the truck (see para 2-14.) perform the following tests. Check the aerial performance times against the times listed below. Raise ladder from 0° to 750 ............................ 35 to 45 seconds Lower ladder from 750 to 0°............................ 35 to 45 seconds Full left rotation (3600).................................... 130 to 140 seconds Full right rotation (3600).................................. 130 to 140 seconds Full extension ................................................. 35 to 45 seconds Full retraction ................................................. 28 to 35 seconds (2)   Perform "three-function test". Push or pull all three aerial control levers simultaneously. Test the time required to achieve 900 rotation, full elevation and full extension. Time required should be 1 05 seconds. 4-482

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