Check Fuel Hoses - Hitachi ZAXIS 70 Operator's Manual

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 re-
tighten them, as shown in Table 4.
3. Repair or replace any loose or damaged hoses.
Never install bent or damaged hoses.
Interval(hours)
Daily Hose ends
Soutache braid
hose
Every 250 Soutache braid
hours hose
Hose ends
Hose
Hose
Hose ends and fittings
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. Hoses
Check Points Abnormalities
Leak (1)
Friction (2)
Crack (2)
Crack (3)
Crack (4)
Bend (5)
Collapse (6)
Deformation or
Corrosion (7)
Remedies
Retighten or
replace
Replace
Replace
Replace
Replace
Replace
Replace
(Use proper bend radius)
Replace
7-49
1
2
1
M137-07-003
3
4
M137-07-004
5
M137-07-005
6
7
M137-07-006
Fig.1