UPPERSTRUCTURE / Swing Device MAINTENANCE STANDARD Swing Motor 1. Clearance between plunger outer diameter and rotor inner bore d D-d Unit: mm (in) Standard Allowable Limit 0.027 (0.0011) 0.052 (0.0020) 2. Clearance ( δ ) between plunger and shoe bottom W107-02-06-138 D D W107-02-06-139 Unit: mm (in) Standard Allowable Limit 0 (0) 0.3 (0.0118) δ W107-02-06-140 δ W107-02-06-141 W2-6-32