MIL-T-972 OF( USAF)
3 . 4 . 1 Maintenance.
The lift truck shall have a minimum number of parts
The design shall permit easy assembly and main-
consistent with reliability.
tenance with tools normally available commercially by service maintenance per-
sonnel with a minimum of training.
3.4.2 Screw threads,
Screws threads shall be in accordance with
MIL-S-7742
3 . 4 . 3 Hydraulic
The fluid used in the hydraulic-
and
hydrostatic
fluid.
hydrostatic system shall be automatic transmission fluid, type A, suffix A.
3.4.4
Lubrication.
Greases for general chassis lubrication shall conform
to MIL-G-10924. A l l g r e a s e f i t t i n g s s h a l l b e a c c e s s i b l e f o r p r e s s u r e t y p e
Grease
lubrication without need for disassembley at any part of the vehicle.
for lubrication of antifriction bearings shall conform to MIL-G-23827.
Engine oil shall conform to MIL-L-2104.
3.4.4.1
Engine
oil.
Gear lubricant shall conform to MIL-L-2105.
3.4.4.2
Gear
lubricant.
3 . 4 . 4 . 3 G r e a s e fittings .
Grease fittings shall be in accordance with
MIL-F-3541 .
3.4.5 Structural strength. The structural strength of the lift truck shall
be such that there will be no mechanical failure or deformation of any welds or
components a s a r e s u l t o f t e s t s d e s c r i b e d i n 4 . 6 .
The lift truck shall be capable of performing the picking
3.5 Performance.
un, , t r a n s p o r t a t i o n a n d p o s i t i o n i n g o p e r a t i o n s n e c e s s a r y f o r l i f t i n g a e r i a l
stores with weights up to 3000 pounds to the racks and pylons of aircraft.
The
lift truck shall be capable of performing such functions under the conditions
described in section 4.
The empty lift truck shall be capable of a reach of 75 inches,
3.5.1 Lift.
measuring from the ground to the top ant] center of the lift cradle.
The lifting time of the hydraulic system cantilever
3.5.1.1 Lift
rate.
fully loaded or empty, shall be not more than 12 seconds for
arms , u p or down,
the maximum lift
of O to 75 inches.
The lift shall be fully controlled in
increments of 1/8
inch from minimum to maximum lift position, up or down,
under a capacity
load.
Speed T h e l o a d e d l i f t t r u c k s h a l l h a v e a s p e e d o f n o t l e s s t h a n
3.5.2
10 miles per hour on a hard level surface when the engine is operating at the
speeds specified in 3.6.2.
3.5.3 Traction.
The lift truck shall be capable of climbing a 20 percent
grade empty, and a 10 percent grade loaded, without stalling
The lift truck shall be provided with dual pur-
3.5.4 Transport handling
pose tie-down rings. These rings shall be of sufficient strength, and so
located, as to properly hold the lift truck in place during air transportation,
and shall be suitable as lift points for lifting by crane.
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