MAINTENANCE Table 1. Hoses 3 2 1 2 3 M137-07-008 3 2 1 2 3 M115-07-145 4 5 M115-07-146 7 6 NOTE: Refer to the illustrations in Fig.1 for each check point location or for a description of the abnormality. Use genuine Hitachi parts.
M115-07-147 8 M115-07-148 9 M115-07-149 10 Fig.1 7-48 Interval(hours) Check Points Abnormalities Remedies Daily Hose covers Hose ends Fittings Leak (1) Leak (2) Leak (3) Replace Replace Retighten or replace hose or O-ring Every 250 hours Hose covers Hose ends Hose covers Hose covers Hose Hose Hose ends and fittings Crack (4) Crack (5) Exposed reinforcement (6) Blister (7) Bend (8) Collapse (9) Deformation or Corrosion (10) Replace Replace Replace Replace Replace Replace (Use proper bend radius) Replace