MAINTENANCE
7-37
7
Check Hoses and Lines
--- daily
--- every 250 hours
CAUTION: Escaping fluid under pressure can pen-
etrate the skin causing serious injury.
To avoid this hazard, search for leaks with a piece of
cardboard.
Take care to protect hands and body from high-pres-
sure fluids.
If an accident occurs, see a doctor familiar with this
type of injury immediately.
Any fluid injected into the skin must be surgically
removed within a few hours or gangrene may result.
CAUTION: Hydraulic oil and lubricant leaks can lead
to fire that may result in serious injury.
To avoid this hazard :
•
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.
•
Check for missing or loose clamps, kinked hoses,
lines or hoses that rub against each other, dam-
aged oil cooler, and loose oil cooler flange bolts,
for leaks.
Check hoses, lines and oil cooler 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 Tables 1-3.
•
Tighten, repair or replace any missing, loose or
damaged clamps, hoses, lines, oil cooler, and loose
oil cooler flange bolts.
Do not bend or strike high-pressure lines.
Never install bent or damaged hoses or lines.
SA-031
SA-292
SA-044
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