Electrical Systems; Hydraulic Systems; Wheels And Tires - New Holland LB75.B Service Manual

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SECTION 00 - MAINTENANCE - CHAPTER 1
5
ELECTRICAL SYSTEMS
If it is necessary to use auxiliary batteries, cables
must be connected at both sides as follows:
(+)
to (+) and(-) to(-). Avoid short-circuiting the ter-
minals. GAS RELEASED FROM BATTERIES IS
HIGHLY FLAMMABLE. During charging, leave
the battery compartment uncovered to improve
ventilation. Avoid checking the battery charge by
means of "jumpers" made by placing metallic ob-
jects across the terminals. Avoid sparks or
flames near the battery area. Do no smoke to
prevent explosion hazards.
Prior to any service, check for fuel or coolant
leaks. Remove these leaks before going on with
the work.
Do not charge batteries in confined spaces. En-
sure that ventilation is appropriate to prevent
accidental explosion hazard due to build-up of
gasses relieved during charging.
Always disconnect the batteries before perform-
ing any type of service on the electrical system.
HYDRAULIC SYSTEMS
Some fluid slowly coming out from a very small
port can be almost invisible and be strong
enough to penetrate the skin. For this reason,
NEVER USE YOUR HANDS TO CHECK FOR
LEAKS, but use a piece of cardboard or a piece
of wood to this purpose. If any fluid is injected
into the skin, seek medical aid immediately. Lack
of immediate medical attention, serious infec-
tions or dermatosis may result.
Always take system pressure readings using the
appropriate gauges.
WHEELS AND TIRES
Check that the tiers are correctly inflated at the
pressure specified by the manufacturer. Periodi-
cally check possible damages to the rims and
tires.
Keep off and stay at the tyre side when correcting
the inflation pressure.
Check the pressure only when the Machine is un-
loaded and tires are cold to avoid wrong read-
ings due to over-pressure. Do not reuse parts of
recovered wheels as improper welding, brazing
or heating may weaken the wheel and make it
fail.
Never cut, nor weld a rim with the inflated tyre as-
sembled.
LB 7~115
To remove the wheels, block both front and rear
Machine wheels. Raise the Machine and install
safe and stable supports under the Machine in
accordance with regulations in force.
Deflate the tyre before removing any object
caught into the tyre tread.
Never inflate tires using flammable gases as
they may originate explosions and cause injuries
to bystanders.
REMOVAL AND INSTALLATION
Lift and handle all heavy components using lifting
equipment of adequate capacity. Ensure that
parts are supported by appropriate slings and
hooks. Use lifting eyes provided to this purpose.
Take care of the persons near the loads to be
lifted.
Handle all parts with great care. Do not place
your hands or fingers between two parts. Wear
approved protective clothing such as safety
goggles, gloves and footwear.
Do not twine chains or metal cables. Always wear
protection gloves to handle cables or chains.
604.56.061.00 09/2000

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