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t h a n 11 inches by 3 inches in size; o p e n i n g s s h a l l b e l o c a t e d s u c h t h a t t h e c e n t e r
of gravity of the compressor falls between the centers of forklift openings. A
means shall be provided on the receiver for securing the airhose.
3.18
C l a s s 3. caster-mounted. T h e compressor unit and power unit shall be
mounted on a steel base attached to a horizontal-type, air-receiver tank. The
air-receiver shall be constructed as specified in 3.17, except the tank shall be
m o u n t e d on four casters conforming to FF-C-88. T w o t y p e I I ( s w i v e l ) c a s t e r s s h a l l
b e mounted on the compressor end, a n d t w o t y p e I ( n o n s w i v e l ) c a s t e r s s h a l l b e
m o u n t e d on the motor end.
3 . 1 8 . 1 C a s t e r i n s t a l l a t i o n . The casters shall be mounted so that the
compressor will not overturn when pushed or pulled about on a horizontal surface
or when tilted 15 degrees from the horizontal in any direction. The casters shall
be attached to steel mounts on the bottom side of the receiver tank and located
near each end of the tank. The distance between the centerline of the casters
(measured side to side) shall be not less than 6 inches greater than the maximum
diameter of the air-receiver tank.
3 . 1 8 . 2 H a n d l e a n d s t o r a g e r a c k . T h e class 3 compressor shall be equipped with
a combination handle and storage rack
The handle and storage rack shall be
removable , a n d similar to that shown on figure 1 (see 6.6) . T h e handle shall be
positioned not less than 30 inches and not more than 40 inches from the floor.
The storage rack shall hold the airhose specified in 3.8 and 50 feet of No. 10
AWG, type SO, 3 - c o n d u c t o r c a b l e . T h e s t o r a g e r a c k s h a l l b e l o c a t e d s o t h a t
n e i t h e r h o s e n o r c a b l e , w h e n stored on the rack, w i l l contact any component of the
compressor subject to high temperature.
3 . 1 8 . 3 T i l t r e q u i r e m e n t . The compressor shall deliver rated capacity when
operated at rated speed and pressure, tilted 15 degrees from the horizontal in any
plane ,
3 . 1 9 C l a s s 4 . b a s e mounted. T h e compressor unit and power unit shall be
mounted on a base attached to a horizontal-type air-receiver tank. The air-
receiver tank shall be constructed as specified in 3.17.
3 . 1 9 . 1 T o o l b o x . A toolbox made of No. 14 gage sheet steel shall be furnished
with the lid edges formed to overlap the top edges of the box to prevent the entry
of dirt, snow, and rain. The toolbox shall be of sufficient size to hold the
c a n v a s cover, a l l m a i n t e n a n c e t o o l s , i n f l a t o r g a g e a n d p u b l i c a t i o n s .
3 . 1 9 . 2 T r a n s p o r t a b i l i t y . T h e base-mounted 15-cfm compressor shall be equipped
with tiedown or slinging provisions.
3.19.2.1 Tiedown provisions
The tiedown provisions
shall conform to
M I L - S T D - 2 0 9 , class 2 or 3, type 2 or 5 equipment. T h e
tiedown provisions shall
satisfactorily complete the pull testing as specified in
4.6.2.11.1 without weld
failure, permanent deformation, cracking, loosening, or
breaking of the provision
o r i t s c o n n e c t i n g s t r u c t u r a l c o m p o n e n t . T i e d o w n points
shall be labelled "TIEDOWN
H E R E " and combination lift/tiedown points shall be labelled
"LIFT'/TIEDOWN HERE".
T h e labels shall conform to MIL-STD-1472.
3 . 1 9 . 2 . 2 Slinging provisions.
The slinging provisions shall conform to
M I L - S T D - 2 0 9 , class 1 or 3, type 2 or 5. T h e p r o v i s i o n s s h a l l e n a b l e t h e c o m p l e t e
9
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