SUNWARD SWE20F 2019 - Page 71

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Check the hoses and pipes…everyday…every 200 hours
1) Inspect leakage with cardboard, pay attention
to protect your hand and body not touching high
pressure liquids
2) If accident occurs, see the doctor at once.
3) Any liquid penetrated in skin must be cleaned
within a few hours. Otherwise it will cause
necrosis.
Hose inspection
Interval hour
Check point
Abnormality
manner
Everyday
Hose surface
Hose end
Connector
leakage
leakage
leakage
replace
replace
fasten or replace
hose or O ring
Every 200
hours
hose surface
hose end
hose surface
hose surface
hose
hose
hose end and
connector
crack
crack
out coming of
enhanced
material
parts protrusion
bending
distortion and
eroding
replace
replace
replace
replace
replace
replace(adopt proper
bending semidiameter)
replace
FIG.4-13
The jets of high pressure liquid
can penetrate skin and cause
serous damage.
The leakage of hydraulic oil and lubricant can cause fire and damage of human
body, in order to prevent this danger:
 Park the excavator on a firm level ground.
 Lower the bucket to ground.
 Run engine idle for 5 minutes.
 Stop the engine in a correct manner and take out the key from key switch.
 Put pilot control split level to LOCK position.
 Check the twist, the wear between other parts, leakage of fuel hoses. Replace
or fasten them immediately if there is any abnormality. (Refer to the table
below)
