Check Fuel Hoses - Hitachi ZW180 Operator's Manual

7

Check Fuel Hoses

--- every 10 hours (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 buck-
et to the ground. Stop the engine. Remove key from the
key switch. Push lock 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.
Interval(hours) Check Points
Daily Hose ends
Soutache braid
hose
Every 250 Soutache braid hose
hours Hose ends
Hose
Hose
Hose ends and fit-
tings
NOTE: Refer to the illustrations in Fig.1 for each check point location or for a description of
the abnormality. Use genuine Hitachi parts.
MAINTENANCE
Table 4. Hose
Abnormalities
Leak (1)
Friction (2)
Crack (2)
Crack (3)
Crack (4)
Bend (5)
Collapse (6)
Deformation or
Corrosion (7)
7-63
Remedies
Retighten or
replace
Replace
Replace
Replace
Replace
Replace
Replace
(Use proper bend ra-
dius)
Replace
1
2
1
M4GB-07-071
3
4
M4GB-07-072
5
M4GB-07-073
6
7
M4GB-07-074
Fig.1