Case 521G 621G 721G 821G 921G Quick coupler Wheel Loader OPERATOR’S MANUAL_EN_FR_SP (47944535) – PDF DOWNLOAD
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Case 521G 621G 721G 821G 921G Quick coupler Wheel Loader OPERATOR’S MANUAL_EN_FR_SP (47944535) – PDF DOWNLOAD
GENERAL INFORMATION
Tool quick coupler hydraulic system – Note to the Owner
The Quick Coupler System attachment and CASE CONSTRUCTION
Coupler Bucket will give your machine increased
versatility and function. Combined with CASE
CONSTRUCTION quality, these coupler systems will put
your machine on the fast track for increased productivity.
The ease of coupling, combined with a remote locking
control, allows an operator to handle the attachment coupling
and uncoupling operations without leaving the cab
or using special tools.
Read this manual and machine’s Operator’s Manual before
starting engine or operating machine. For additional
information, contact your authorized CASE CONSTRUCTION
dealer.
CASE CONSTRUCTION dealer trained and experienced
technicians can provide best practice repair and maintenance
procedures for quick coupler system and all machine
servicing procedures.
The contents of this manual provide you with safety guidelines,
coupling and uncoupling procedures, and operation
and maintenance information.
DO NOT OPERATE or allow anyone to operate or service
the machine and attachments before reading and understanding
the safety, operation, and maintenance instructions
in this manual and Operator’s Manual. Ensure only
trained operators with demonstrated skills operate machine.
The wheel loader with the attachment quick coupler system
and bucket is intended to be used for digging and
general earth moving purposes such as land leveling,
truck loading, and material rehandling.
DO NOT use this machine for any application or purpose
other than those described in this manual. If loader is
to be used in an application that involves special attachments
or equipment, consult an authorized dealer for
guidance. Consult an authorized dealer on changes,
additions or modifications that may be required for this
machine to comply with various country regulations and
safety requirements. Unauthorized modifications may
cause serious injury or death. Anyone making such
unauthorized modifications is responsible for the consequences.
See Operator’s Manual for performance specifications.
Your authorized dealer can provide additional information
you may require. Additionally, authorized dealers
can provide any required after-sales service and genuine
CASE CONSTRUCTION replacement parts.
Operator’s Manual Storage Compartment
The Operator’s Manual is located on the back of the operator
seat. To access the manual, release the latch on
top of seat and open compartment.
LEIL16WHL1253AB 1
DO NOT remove this manual, Operator’s Manual, or
safety manual from the machine. See your authorized
dealer for additional manuals.
TABLE OF CONTENTS:
Case 521G 621G 721G 821G 921G Quick coupler Wheel Loader OPERATOR’S MANUAL_EN_FR_SP (47944535) – PDF DOWNLOAD
1 GENERAL INFORMATION
Tool quick coupler hydraulic system – Note to the Owner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-
Tool quick coupler hydraulic system – Product identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 SAFETY INFORMATION
Safety rules and signal word definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety rules — California Proposition 65 Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-
Personal safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Support strut and service link. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tool quick coupler hydraulic system – Safety rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-
3 WORKING OPERATIONS
General information
Coupling to the attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Uncoupling the attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
4 MAINTENANCE
Tool quick coupler hydraulic system
Tool quick coupler hydraulic system – Service instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
IMAGES PREVIEW OF THE MANUAL:
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- This is the SAME MANUAL used by dealerships to diagnose your vehicle
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S.M