Hitachi ZAXIS 17U-5N Owner's Manual page 199

Check Fuel Hoses
--- daily
--- every 250 hours
d
WARNING: Fuel leaks can lead to fires that may result
in serious injury.
 Escaping combustible fluid can cause fires. Check for
kinked hoses, hoses that rub against each other, and
any fuel leaks.
 Repair or replace any loose or damaged hoses.
 Never reinstall bent or damaged hoses.
According to the check points shown below, check hoses for
oil leaks and damage.
If any abnormality is found, replace or retighten the hose as
instructed in the table.
Hose
Interval Check Points
(hours)
Daily Hose ends
Hose covers
Every 250 Hose covers
hours
Hose ends
Hose
Hose fittings
MAINTENANCE
Abnormalities
Leak(1)
Wear, crack (2)
Crack (3)
Crack (4)
Bend (5), Collapse (6)
Corrosion (7)
7-59
Remedies
Retighten or replace
Replace
Replace
Replace
Replace
Replace
1
2
1
M137-07-003
3
4
M137-07-004
5
M137-07-005
6
7
M137-07-006