Manual

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Battery Fluid Level
Batteries emit hydrogen and oxygen, elements
that can combine explosively.
DO NOT smoke or permit open flames or
sparks when checking batteries.
Remove the caps from each battery and visually
check to see that the battery fluid is 1/4″ (6 mm)
below the bottom of the filler neck inside each
hole.
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Hydraulic Oil Level
To check the hydraulic oil level:
Completely lower and completely retract the
booms.
The hydraulic oil temperature (1) should be less
than 200°F (93°C).
The hydraulic oil level should be between the two
marks (2) and (3) on the sight glass gauge.
If necessary, add hydraulic oil at the filler cap.
See the “Specifications” chapter 3, for type and
grade of hydraulic oil.
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Hydraulic Oil Leaks
Leaking hydraulic oil can cause burns, fires,
falls (slipping), cuts, and puncture wounds (if
under high pressure). Have a qualified trained
maintenance person repair all hydraulic fluid
leaks before you operate an AB50J.
Hydraulic oil leaks are easily visible and can
show up anyplace.
Visually inspect the entire machine for hydraulic
oil. Check the ground under the machine for
leaked oil.
Inspect the ends of the main boom. Oil can run
down the inside of the boom and drip out the
ends.
AB50J – 0163189 page 7 - 5
7. Daily Inspection and Maintenance
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