Service manual

PREVENTIVE
MAINTENANCE
HYDRAULIC
SYSTEM
HYDROSTATIC
SYSTEM
DRIVE
SYSTEM
MAIN
FRAME
ELECTRICAL
SYSTEM
ENGINE
SERVICE
SYSTEMS
ANALYSIS
SPECIFICATIONS
853, 853H Loader
i Service Manual
FOREWORD ii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SAFETY INSTRUCTIONS v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SERIAL NUMBER LOCATIONS vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DELIVERY REPORT vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BOBCAT LOADER IDENTIFICATION viii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PREVENTIVE MAINTENANCE 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HYDRAULIC SYSTEM 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HYDROSTATIC SYSTEM 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DRIVE SYSTEM 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAIN FRAME 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRICAL SYSTEM 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE SERVICE 7–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SYSTEM ANALYSIS 8–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIFICATIONS 9–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONTENTS
Component Repair Manual
A Component Repair Manual is available for this model Bobcat loader.
A component Repair Manual gives complete teardown procedures for service and repair of
all major components such as control valves, hydrostatic pumps and motors, hydraulic
pumps, etc.
See your Bobcat dealer about availability of this important addition to your service library.
CALIFORNIA
PROPOSITION 65 WARNING
Diesel engine exhaust and some of its
constituents are known to the State of California
to cause cancer, birth defects and other
reproductive harm.