GREER COMPANY
Crane Systems
GREER COMPANY, 1918 E. Glenwood Place, Santa Ana CA 92705 Telephone: (714) 259-9702. Fax: (714) 259-7626. PN W424102 REV C 09/99
MicroGuard
®
424 Installation Manual
18 of 35
BOOM HOIST DATA
Lengths
L
– HORIZONTAL ALONG BOOM FROM BOOM
PIVOT TO UPPER CYLINDER PIN
J
– VERTICAL ACROSS BOOM FROM BOOM
PIVOT TO UPPER CYLINDER PIN
NOTE:
DIMENSION IS NEGATIVE WHEN BOOM
PIVOT IS ABOVE UPPER CYLINDER PIN
.
G
– HORIZONTAL BETWEEN BOOM PIVOT
AND LOWER CYLINDER PIN
H
– VERTICAL BETWEEN BOOM PIVOT TO
LOWER CYLINDER PIN
B
– DIAMETER OF BOOM HOIST CYLINDER
BORE
R
–- DIAMETER OF BOOM HOIST CYLINDER
ROD
A.G
. – ANNULAR GAIN
{A.G.
=
(R2
÷
B2)
−−−−
1.00}
Note: Result will be a negative value.
