General Information
1
HIGHLIGHTED INFORMATION
Walker Manufacturing recommends that any service
requiring special training or tools be performed by
an authorized Walker Tractor dealer. There are sev-
eral general practices to be aware of in the area of
safety. Most accidents associated with the opera-
tion or maintenance of a Walker Tractor are caused
by disregarding basic safety precautions or specic
warnings. Such accidents, in most cases, can be
prevented by being aware of the dangers present.
Information of special importance has been high-
lighted in bold type in this manual. Refer to Safety
Instructions for the meanings of DANGER, WARN-
ING, CAUTION, IMPORTANT, and NOTE.
GLOSSARY
There are many terms that are either unique to this
equipment or that are used as acronyms. The fol-
lowing terms and their denitions will help while us-
ing this manual:
● FORWARD SPEED CONTROL (FSC) controls
the maximum forward speed of the tractor; func-
tioning as a cruise control.
● GRASS HANDLING SYSTEM (GHS
®
) collects
mowed material and deposits it in the catcher.
● HI-DUMP
®
is a power lifting and dumping mech-
anism for the GHS catcher box controlled from
the operator’s seat.
● LEFT HAND (LH) refers to the left-hand side of
the tractor when the operator is seated facing
forward in the tractor seat.
● POWER TAKE-OFF (PTO) transmits engine
power to run the cutter blades and GHS blower.
● RIGHT HAND (RH) refers to the right-hand side
of the tractor when the operator is seated facing
forward in the tractor seat.
● STEERING LEVERS steer the tractor by con-
trolling the dual hydrostatic transmissions.
● TRACTOR is the prime mover, including the
engine, drivetrain, operator seat, and controls to
operate the mower.
IDENTIFYING NUMBER LOCATIONS
The Hi-Dump
®
serial number is afxed to the LH
side of the main frame weldment. Model and serial
numbers are helpful when obtaining replacement
parts and maintenance assistance. For ready refer-
ence, please record these numbers in the space
provided.
Hi-Dump Serial No.
Date of Purchase
Refer to the Operator’s Manual that accompanies
the tractor for the location of the tractor serial num-
ber.
Serial Number
A21 Hi-Dump Serial Number Location
(Top View)
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