504G3
SERIES TRACTOR OPERATION MANUAL
10
parts or components.
3. Before disconnecting any hydraulic line or hose, make sure the system is
pressure-free.
4. Hydraulic oil escaping under pressure can cause serious personal injury. When
searching for or detecting oil leaks, make sure to use adequate safety protection
such as shields, goggles and gloves.
5. Prior to inspection, cleaning, adjustment or maintenance of the tractor or any
mounted or connected implement, always make sure that engine is shut off. Also
make sure the transmission is in neutral, the brakes
are locked, the power take-off (PTO) is disengaged
and all other moving parts are stationary.
6. Do not fill fuel tank completely when expecting to
work in full sunlight because the fuel might expand
and escape. In such case, promptly wipe off
any fuel that has escaped.
7. Tractor fuel may be dangerous. Never refuel
while engine is running, is still hot, or you are
near an open flame or when someone is
smoking.
8. Do not service the tractor while it is in motion or while the engine is running．When
servicing front-wheel-drive-equipped tractor with rear wheels supported off ground
and rotating wheels by engine power，always
support front wheels in a similar
manner．Engaging front-wheel drive will pull rear
wheels off support if front wheels are not
raised．Tighten wheel hardware to correct torque
as specified in Wheels ， Tires and Tread
section．Torque at intervals shown in Break-In
Period and Lubrication and Maintenance sections，to ensure that wheel hardware
does not loosen．Reinstall protective covers removed during service．
9. Do not work on tires unless suitable tools are available and you have the training
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