Engine : Expired / General Subjects - 1347/881
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| If the operating pressure is determined to be normal in the system shown in the illustration, yet the crane does not swing (slew) in either direction when the directional control valve is operated, the problem could be ________. Illustration GS-0161 |
| A) double check valve (14) ball jammed to the left |
| B) relief valve (12) set to open at too high a pressure |
| C) oil cooler partially obstructed |
| D) an obstruction in the brake release cylinder line (2) |
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Illustration GS-0161
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