Instructions are necessary before operating or servicing machine. Read
and understand the Operation & Maintenance Manual, Handbook and
signs (decals) on machine. Follow warnings and instructions in the
manuals when making repairs, adjustments or servicing. Check for
correct function after adjustments, repairs or service. Untrained
operators and failure to follow instructions can cause injury or death.
Safety Alert Symbol: This symbol with a warning statement, means: “Warning, be alert! Your safety is
involved!” Carefully read the message that follows.
CORRECT
CORRECT
CORRECT
Never service the Bobcat
Hydraulic Excavator without
instructions.
Use the correct procedure to lift
and support the excavator.
Always lift the blade fully before
installing jackstands.
Cleaning and maintenance are
required daily.
WRONG
WRONG
WRONG
Have good ventilation when
welding or grinding painted parts.
Wear dust mask when grinding
painted parts. Toxic dust and gas
can be produced.
Vent exhaust to outside when
engine must be run for service.
Exhaust system must be tightly
sealed. Exhaust fumes can kill
without warning.
Always lower the bucket and
blade to the ground before doing
any maintenance.
Never modify equipment or add
attachments not approved by
Bobcat Company.
WRONG
WRONG
WRONG
Stop, cool and clean engine of
flammable materials before
checking fluid.
Never service or adjust machine
with the engine running unless
instructed to do so in the manual.
Avoid contact with leaking
hydraulic fluid or diesel fuel
under pressure. It can penetrate
the skin or eyes.
Never fill fuel tank with engine
running, while smoking or when
near open flame.
Keep body, jewelry and clothing
away from moving parts,
electrical contacts, hot parts and
exhaust.
Wear eye protection to guard
from battery acid, compressed
springs, fluids under pressure
and flying debris when engines
are running or tools are used. Use
eye protection approved for type
of welding.
Keep rear door closed except for
service. Close and latch door
before operating the excavator.
Lead–acid batteries produce
flammable and explosive gases.
Keep arcs, sparks, flames and
lighted tobacco away from
batteries.
Batteries contain acid which
burns eyes or skin on contact.
Wear protective clothing. If acid
contacts body, flush well with
water. For eye contact flush well
and get immediate medical
attention.
B–10731 B–15797 B–15798
B–15801B–15800B–15799
B–15802 B–15780 B–6589
MSW21–0600
MAINTENANCE SAFETY
Maintenance procedures which are given in the Operation & Maintenance Manual can be performed by
the owner/operator without any specific technical training. Maintenance procedures which are not in the
Operation & Maintenance Manual must be performed ONLY BY QUALIFIED BOBCAT SERVICE
PERSONNEL. Always use genuine Bobcat replacement parts.
W–2003–0199
Operation & Maintenance Manual–35–
331/331E/334 Excavator
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