Venturo ET12K, Installation Manual

Page: 23 / 52

SECTION DATE
SUPERSEDES
TITLE
ET6K
C200
11-18-14B
03-10-14A
STABILITY TEST
20906-6
®
VENCO VENTURO INDUSTRIES LLC
CINCINNATI, OHIO
STABILITY TESTING - ET6K
OVERVIEW
Venturo follows the guidelines of ANSI B30.5 in defining stability. Generally speaking, a truck is considered stable
as long as it is not on the verge of tipping - i.e. with the truck level, at least one tire on each corner of the truck must remain
in contact with the ground.
It is important to note that nearly every installation is unique and will, therefore, typically require stability testing.
The procedure outlined below follows ANSI's (B30.5 - 5-1.1.1) specified "maximum load rating" of 85%.
TESTING PROCEDURE
1. Locate the truck on firm level ground and set the parking brake.
2. Deploy stabilizers, making sure they are firmly in contact with supportive ground; use stabilizer pads as required. The
tires of the truck should remain in full contact with the ground.
3. Inspect the wirerope and other key components of crane (consult owner's manual for more information).
4. Conduct an operational check of all crane functions.
5. Use a test weight of 490 lbs. in conjunction with the ET6K's load block (weight = 24 lbs.).
6. Do NOT allow the weight to be more than 6 inches from the ground at any given time during testing - this ensures
that if the truck does become unstable and tip, it will not tip far.
7. Rotate the crane to a position between 1 and 2 o'clock (the truck cab is facing 12 o'clock).
8. Besure that the boom is horizontal (0° elevation) with the hydraulic section fully retracted and the manual section
fully extended; the boom should begin at a length of 10 feet.
8.a. NOTE: On the ET6K, testing will be more difficult because it will require an iterative ("trial and error") approach;
please call technical support for more information.
9. Use the winch to lift the test weight, keeping it within 6 inches of the ground.
10. Extend the boom slowly until the boom reaches full extension (168 inches) or until the truck becomes unstable. As
you extend, use the winch to keep the weight within 6 inches from the ground.
10.a. If the boom reaches full extension, the % of Rated Capacity is 100% for the tested region.
10.b. If, however, the truck becomes unstable (both tires leave the ground) prior to full extension, record (in inches)
the horizontal distance from the center of rotation to the wirerope at this point (e.g. 140 inches). This is the
Maximum Stable Reach. Determine the % of Rated Capacity using the following formula:
11. Record the % of Rated Capacity in the appropriate blank on the Crane Stability chart and/or decal.
12. Repeat steps 7-11 for each of the remaining regions (e.g. 2-3 o'clock, 3-4 o'clock, etc.).
% RATED CAPACITY = X 100
"Max. Stable Reach" in inches
168