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7. Anytime the machine is parked (short or long term),
8. Do not park on slopes unless wheels are chocked or
install the service latch to secure the coring head in the
blocked.
raised position. This eliminates the risk of the coring
head accidentally lowering to the ground.
Maintenance and Service
1. Before servicing or making adjustments, position
machine on level surface, raise coring head, set parking
brake, stop engine and remove key from the ignition
switch. Install the service latch to secure the coring head
in the raised position.
2. Make sure machine is in safe operating condition by
keeping all nuts, bolts and screws tight.
3. Never store the machine or fuel container inside
where there is an open flame, such as near a water heat-
er or furnace.
4. Make sure all hydraulic line connectors are tight and
all hydraulic hoses and lines are in good condition be-
fore applying pressure to the hydraulic system.
5. Keep body and hands away from pin hole leaks in hy-
draulic lines that eject high pressure hydraulic fluid. Use
cardboard or paper to find hydraulic leaks. Hydraulic
fluid escaping under pressure can penetrate skin and
cause injury. Hydraulic fluid accidentally injected into
the skin must be surgically removed within a few hours
by a doctor familiar with this form of injury or gangrene
may result.
6. Before disconnecting any hydraulic component or
performing any work on the hydraulic system, all pres-
sure in system must be relieved. See Relieving Hydrau-
lic System Pressure in the General Information section
of Chapter 4 – Hydraulic System.
7. If major repairs are ever needed or assistance is de-
sired, contact an Authorized Toro Distributor.
8. Use care when checking or servicing the coring
head: wear gloves and use caution.
9. To reduce potential fire hazard, keep engine area
free of excessive grease, grass, leaves and dirt.
10.If engine must be running to perform maintenance or
make an adjustment, keep hands, feet, clothing and oth-
er parts of the body away from all moving machine parts.
Keep bystanders away.
11. Do not overspeed the engine by changing governor
setting. To assure safety and accuracy, check maximum
engine speed with a tachometer.
12.Shut engine off before checking or adding oil to the
engine crankcase.
13.Disconnect battery before servicing the machine.
Disconnect negative battery cable first and positive bat-
tery cable last. If battery voltage is required for trouble-
shooting or test procedures, temporarily connect the
battery. Reconnect positive battery cable first and nega-
tive battery cable last.
14.Battery acid is poisonous and can cause burns.
Avoid contact with skin, eyes and clothing. Protect your
face, eyes and clothing when working with a battery.
15.Battery gases can explode. Keep cigarettes, sparks
and flames away from the battery.
16.At the time of manufacture, the machine conformed
to all applicable safety standards. To assure optimum
performance and continued safety certification of the
machine, use genuine Toro replacement parts and ac-
cessories. Replacement parts and accessories made
by other manufacturers may result in non-conformance
with the safety standards, and the warranty may be
voided.
17.When changing tires or performing other service,
use correct blocks, hoists and jacks. Make sure ma-
chine is parked on a solid level floor such as a concrete
floor. Prior to raising the machine, remove any attach-
ments that may interfere with the safe and proper raising
of the machine. Always chock or block wheels. Use jack
stands or solid wood blocks to support the raised ma-
chine. If the machine is not properly supported by blocks
or jack stands, the machine may move or fall, which may
result in personal injury (see Jacking Instructions).
Safety
ProCore 648
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Safety