Komatsu PC58UU-3 - Page 216

PC58UU-3
20-113
b
TESTING AND ADJUSTING
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4. Measuring swing circuit and blade circuit relief
pressure
1) Remove oil pressure pickup plug (3) (10
mm, P = 1.25).
2) Install oil pressure gauge C1 (39.2 MPa {400
kg/cm²}).
3) Run the engine at full throttle and relieve
the swing circuit and blade circuit and mea-
sure the oil pressure at this time.
Stop swinging securely by
using the work equipment.
Move the blade cylinder to
the stroke end.