103
MAINTENANCE
Daily Inspection (Every 10 Hours)
Inspecting the Hydraulic Oil Level
and Replenishing
WARNING
Oil may spurt out if caps or filters are
removed or pipes disconnected before
releasing the pressure in the hydraulic
system.
If you must work beneath the raised
dump body, securely engage the raised
body prop. Never get under the dump
body if it is not sufficiently supported.
Inspection
The oil level changes according to the oil
temperature. Inspect the oil level in the
hydraulic oil level inspection posture shown
in the diagram.
Hydraulic oil level inspection posture
1. Start the engine and run it at low speed.
2. Fully raise the dump body.
3. Set the safety lock lever to the lock
position, and stop the engine.
4. Securely engage the raised body prop.
5. Inspect the oil level at the sight gauge (1).
• When the oil temperature is about 20°C
(68°F):
The level should be halfway between
the middle (M) and lower limit (L).
(When the dump body is lowerd, the oil
level rises to the “M” position.)
If it is below the lower limit (L),
replenish.
• When the oil temperature is about 50 to
80°C (122 to 176°F) :
The level should be near the middle
(M).
(When the dump body is lowerd, the oil
level rises to the middle point between
the “M” and “H” positions.)
Replenishing
IMPORTANT: Do not add oil above the
middle point between the sight gauge’s
“M” and “L” positions. Doing so may
cause the oil to spurt out.
1. Remove the cover (4).
2. Remove the air breather (2).
3. Add hydraulic oil up to the middle point
between the “M” and “L” positions of the
sight gauge (1) through the hole in the air
breather (2).
4. Tighten the air breather (2).
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