 |
|||
|
|
|||
| ||||||||||
|
|  MIL-T-46780D(AT)
4.3.2.15 Boring machine check. (M764) To determine conformance to 3.3.11.2,
demonstrate machine's ability bore vertical holes 30 inches in diameter and 10 feet in depth.
Demonstrate ability to bore holes 5 feet deep with the 16-inch auger at an angle of 45 from
vertical to the left or right.
4.3.2.16 Outrigger check. (M764) To determine conformance to 3.3.11.4, demonstrate
stability of truck during boring and winching operations through the use of left-hand and
right-hand hydraulic outriggers. Truck springs must be free of overload during working
operations. Demonstrate ability to lock cylinders or outriggers to prevent drifting during vehicle
travel.
4.3.2.17 Derrick operation test. (M764) To determine conformance to 3.3.11.5, with the
aid of the winch, erect the derrick in an "on truck tripod" position using proper sheaves and
spindle bars, etc., lift a weight of 5,000 pounds five feet from the ground. Demonstrate ability to
remove, install and straighten poles 45 feet in length. Demonstrate ability to lift a 9,000 pound
weight with the center leg on the ground and supported by the I beam.
4.3.2.18 Derrick support jack test. M764) To determine conformance to 3.3.11.6,
remove 15-ton capacity jacks from truck body and demonstrate truck stability during derrick
operations. Do not move truck while a weight is suspended from the pole derrick.
4.3.2.19 Wheel chocks check. (M764) To determine conformance to 3.3.11.7
demonstrate wheel chocks ability to restrict movement of truck during derrick operations with
brakes applied.
4.3.3 Comparison test. The Government may select vehicles anytime during the contract
production period and conduct comparison tests. Test shall be conducted at a Government test
site as outlined in Table XII and Table XIII as applicable. Test vehicles loaded as specified in
3.4.2 and 6.6, with all on-vehicle material stowed in place, will be subjected to all previously
performed examinations and all test in Table XI as applicable.
39
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals