PROPER OPERATIONPROPER OPERATION
3-33-3
BASIC LOAD CENTER AND RATEDBASIC LOAD CENTER AND RATED
LOADLOAD
WARNINGWARNING
••
When traveling with When traveling with loads, keep the loads, keep the forksforks
5 to 10 cm (2 to 4 in.) above the upper5 to 10 cm (2 to 4 in.) above the upper
surface of the outriggers, retract the mastsurface of the outriggers, retract the mast
fully and keep the fully and keep the forks tilted back fully.forks tilted back fully.
•• The allowable The allowable load of load of a truck equa truck equipped withipped with
an attachment is reduced in comparisonan attachment is reduced in comparison
with that of the standard truck.with that of the standard truck.
If If the the tructruc k k is is equiequi pped pped witwit h h a a loaloadingding
attachment, its allowable load will beattachment, its allowable load will be
reduced as compared with that of thereduced as compared with that of the
st andard truck (a truck wit hout anystandard t ruck ( a truck witho ut any
attachment) for the following reasons:attachment) for the following reasons:
Never Never exceed exceed the the allowable allowable load load indicatedindicated
on the load chart attached onto the truck oron the load chart attached onto the truck or
attachment.attachment.
Reasons Reasons for for a a reduction reduction in in the the allowableallowable
load:load:
○○
The weight of an The weight of an attachment is added.attachment is added.
○○
The attachment shifts the basic loadThe attachment shifts the basic load
center position forward, and thus thecenter position forward, and thus the
allowable load is reduced.allowable load is reduced.
SS1F1/FRSB16SS1F1/FRSB16
LF107LF107
50005000
16001600
12701270
10501050
66000 0 88000 0 11000000
MAST & ATTACHMENT MODELMAST & ATTACHMENT MODEL
LOAD CENTERLOAD CENTER
ACTUAACTUAL CAPL CAPACITYACITY
MAX. FORK HEIGHTMAX. FORK HEIGHT
The basic load center is the distance from the frontThe basic load center is the distance from the front
face of the forks face of the forks to the load’s center to the load’s center of gravityof gravity. . TheThe
chart given above shows the relationship betweenchart given above shows the relationship between
the basic load center and the weight of loads tothe basic load center and the weight of loads to
be allowable for a reach truck with a capacity ofbe allowable for a reach truck with a capacity of
1.6 tons. 1.6 tons. This chart iThis chart is called a s called a load chart and load chart and isis
attached to the truck.attached to the truck.
THE STABILITY OF LIFT TRUCKTHE STABILITY OF LIFT TRUCK
The stability of lift trucks is stipulated in ISOThe stability of lift trucks is stipulated in ISO
Standard. However, note that the stability of liftStandard. However, note that the stability of lift
trucks is not assured at all times, but only when thetrucks is not assured at all times, but only when the
following conditions are properly observed.following conditions are properly observed.
••
The ground The ground or oor or oor surface is level and surface is level and hard.hard.
••
The truck travels under The truck travels under standarstandard d loaded orloaded or
unloaded condition.unloaded condition.
•• The truck is The truck is operated carefully and operated carefully and the forksthe forks
are properly manipulated; that is, the forksare properly manipulated; that is, the forks
are not tilted forward more than vertical, whenare not tilted forward more than vertical, when
stacking or unstacking.stacking or unstacking.
Load Load handling handling is is carried ocarried out ut carefully carefully andand
slowly.slowly.
In addition, keep the truck in good working conditionIn addition, keep the truck in good working condition
for safe operation and traveling.for safe operation and traveling.
NOTENOTE
Standard unloaded conditionStandard unloaded condition
This means that the forks are raised 30 cm (12This means that the forks are raised 30 cm (12
in.) above the ground or oor surface and tiltedin.) above the ground or oor surface and tilted
back fully without loads.back fully without loads.
Standard loaded conditionStandard loaded condition
This means that the forks are raised 30 cm (12This means that the forks are raised 30 cm (12
in.) above the ground or oor surface with a loadin.) above the ground or oor surface with a load
placed at the basic load center position of theplaced at the basic load center position of the
forks.forks.
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