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——To check out the rotor end clearance. The rotor end clearance shall be 0.014-0.100mm.
——To unscrew and take out the horizontal internal hexagon bolts (small ones). ——To take out relive vale spring and relief valve ball. ——To check out the spring load and free length.
The free length is 46mm; The spring load is 32.8N±2N at 29mm; The installation length of relief valve spring is
——Bad relief vale spring, if any, has to be changed.
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