MAINTENANCE 6 Check Fuel Hoses --- daily --- every 250 hours CAUTION: Fuel leaks can lead to fires that may result in serious injury. To avoid this hazard : 1. Park the machine on a firm, level surface. Lower the bucket to the ground. Stop the engine. Remove key from the key switch. Pull the pilot control shut-off lever to the LOCK position. 2. Check for kinked hoses, and hoses that rub against each other parts for leaks. Check hoses at the check points indicated below for leaks and other damage that may result in future leaks. If any abnormalities are found, replace or retighten them, as shown in Table 4. 3. Repair or replace any loose or damaged hoses.
Never in- stall bent or damaged hoses. Table 4. Hoses 1 2 1 M137-07-003 3 4 M137-07-004 5 M137-07-005 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. 7 M137-07-006 Fig. 1 7-62 Interval(hours) Check Points Abnormalities Remedies Daily Hose ends Soutache braid hose Leak (1) Friction (2) Crack (2) Retighten or replace Replace Replace Every 250 hours Soutache braid hose Hose ends Hose Hose Hose ends and fittings Crack (3) Crack (4) Bend (5) Collapse (6) Deformation or Corrosion (7) Replace Replace Replace Replace (Use proper bend radius) Replace