How to read a capacity chart – JLG G9-43A (9151-4003) Operator Manual User Manual

Page 38

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12.3

How to read a Capacity Chart

When reading the capacity chart you must check to be sure the correct model

number is listed. (See figure 12-5) The next thing to look for is that the part

number of your attachment is listed under the “Use With” section.

Identify and find the amount of boom extension required, along with the angle

of the boom. Trace the boom extension arc down until it intersects with the

appropriate boom angle. If the intersection of the boom extension arc and the

boom angle line occur within a weight region, the value within that region is

the maximum capacity for that particular lift. If the intersection occurs on a

bold line separating capacity regions, the smaller of the two values must be

used. The regions are clearly marked with heavier outlines as shown on page

12.4. If you do not have the correct capacity chart for your machine and/or

attachment, contact your Distributor or Gradall to order one.

Example:

A contractor has purchased a G9-43A with the 48” Slope Piler Carriage

Attachment. (See figure 12-5) He knows his attachment may be used with

this model since the attachment part number, 9140-5101, matches the capacity

charts located in the operators cab. He also knows that the Capacity Chart is

correct since it is clearly marked for use with a G9-43A and that the attachment

he is using is listed at the bottom by part number. He has determined the

weight of the load to be lifted is 900 lbs. and that he needs to place the load at

a boom extension of 6 at a boom angle of 20°. By tracing the boom extension

arc down to where the 20° line intersects it, the contractor can see that the

maximum weight he can lift is 1100 lbs. In this case, he may lift the load.

Figure 12-4:

Where to look on the machine

FORK WEIGHT

STAMP

BOOM

EXTENSION

NUMBER

BOOM ANGLE

INDICATOR

ATTACHMENT

IDENTIFICATION

PLATE

MACHINE SERIAL

NUMBER PLATE

(RIGHT WALL)

9114-3282

STAY CLEAR OF PINCH POINT AREA

ANYTIME ENGINE IS RUNNING.

BEING IN PINCH POINT AREA COULD

CAUSE SERIOUS INJURY OR DEATH.

9114-3282

STAY CLEAR OF PINCH POINT AREA

ANYTIME ENGINE IS RUNNING.

BEING IN PINCH POINT AREA COULD

CAUSE SERIOUS INJURY OR DEATH.

DO NOT GO NEAR LEAKS

C

10814B

* High pressure oil easily punctures skin causing serious injury, gangrene or death.

* If injured, seek emergency medical help. Immediate surgery is required to remove oil.

* Do not use finger or skin to check for leaks.

* Lower load or relieve hydraulic pressure before loosening fittings.

9114-3283

NO RIDERS PERMITTED ON HANDLER.

OPERATOR ONLY IN MACHINE

WHILE RUNNING.

RIDERS COULD FALL OFF MACHINE

CAUSING SERIOUS INJURY OR DEATH.

9114-3286

DIESEL FUEL IS FLAMMABLE

EXTINGUISH ALL OPEN FLAME AND

SMOKING MATERIALS WHEN REFUELING

INJURY OR DEATH COULD RESULT

FROM FIRE.

** unknown **

** unknown **

** unknown **

** unknown **

2

NO

1

R

7733-3027

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