Service Manual
E55 Compact Excavator
S/N ARWM11001 & Above
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S/N ASW311001 & Above
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6990093 (6-11) Printed in U.S.A. © Bobcat Company 2011
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MAINTENANCE SAFETY
Instructions are necessary before operating or servicing machine. Read and
understand the Operation & Maintenance Manual, Operator’s Handbook and
WARNING 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. W-2003-0807
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
P-90216 B-19964 B-19959
Never service the Bobcat Excavator Use the correct procedure to lift Cleaning and maintenance are
without instructions. and support the excavator. required daily.
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B-19965 B-19966
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B-19960
Have good ventilation when Vent exhaust to outside when Always lower the bucket and
welding or grinding painted parts. engine must be run for service. blade to the ground before doing
Wear dust mask when grinding Exhaust system must be tightly any maintenance.
painted parts. Toxic dust and gas sealed. Exhaust fumes can kill Never modify equipment or add
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can be produced. without warning. attachments not approved by
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Bobcat Company.
WRONG WRONG WRONG
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B-19962 B-19958 B-19798
Stop, cool and clean engine of Keep body, jewelry and clothing Lead-acid batteries produce
flammable materials before away from moving parts, electrical flammable and explosive gases.
checking fluids. contact, hot parts and exhaust. Keep arcs, sparks, flames and
Never service or adjust machine Wear eye protection to guard from lighted tobacco away from
with the engine running unless battery acid, compressed springs, batteries.
instructed to do so in the fluids under pressure and flying Batteries contain acid which
manual. debris when engines are running burns eyes or skin on contact.
Avoid contact with leaking or tools are used. Use eye Wear protective clothing. If acid
hydraulic fluid or diesel fuel protections approved for type of contacts body, flush well with
under pressure. It can penetrate welding. water. For eye contact flush well
the skin or eyes. Keep tailgate closed except for and get immediate medical
Never fill fuel tank with engine service. Close and latch tailgate attention.
running, while smoking, or when before operating the excavator.
near open flame.
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. The Service Safety Training Course is available from your Bobcat dealer.
MSW28-0409
1-1 E55 Service Manual
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1-2 E55 Service Manual
CONTENTS
SAFETY & MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-01
HYDRAULIC SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-01
UNDERCARRIAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-01
UPPERSTRUCTURE AND SWING SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-01
ELECTRICAL SYSTEM & ANALYSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50-01
ENGINE SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60-01
HEATING, VENTILATION & AIR CONDITIONING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70-01
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPEC-01
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ALPHABETICAL INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .INDEX-01
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1-3 E55 Service Manual
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