hitachi — MAINTENANCE STANDARD

UPPERSTRUCTURE / Swing Device MAINTENANCE STANDARD Swing Motor Plunger 1. Clearance between plunger outer diameter and rotor inner bore. Unit:m (in) Standard Allowable Limit D-d 0.028 (0.001) 0.058 (0.002) d d W107-02-06-138 Rotor 2. Clearance between plunger and shoe bottom Unit: mm (in) Standard Allowable Limit δ 0 (0) 0.3 mm (0.0118) W107-02-06-139 Shoe W107-02-06-140 δ δ Plunger Shoe W107-02-06-141 W2-6-29 D D δ Pl