Check Fuel Hoses - Hitachi ZW 550-6 Operator's Manual

Check Fuel Hoses

--- every 10 hours (daily)
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CAUTION: Fuel leaks can lead to fires that may result
in serious injury.
 Escaping combustible fluid can cause fires. Check for
kinked hoses, hoses that chafe against each other,
and signs of fuel leaks.
 Repair or replace 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 problem is found, replace or retighten as instructed in
the table.
Hose
Interval (hours) Check Points
Daily Hose ends
Hose covers
Every 250 Hose covers
hours
Hose ends
Hose
Hose fittings
MAINTENANCE
Problems
Leak (1)
Wear, crack (2)
Crack (3)
Crack (4)
Bend (5), Collapse (6)
Corrosion (7)
7-69
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