legs, legs B and C, can be attached to tower pivots (9
and 11, sheet 1), and lower tower into position. Make
tower section No. 2, the gin pole is attached to tower
sure that the bottoms of legs B (1, sheet 1) and C (1,
sheet 1) are adjacent to tower pivots. Attach legs B and
C to tower pivots and secure with six bolts (13, sheet 2),
(1) while this section is still erect. Install gin pole
as follows: (1) Attach gin pole pivot base assembly (13)
(2) Place blocks under legs B and C
to anchor bolts (2) on gin pole pier. Secure with four
approximately 2 feet from top of tower section. These
nuts (3) and lockwashers (4).
blocks must be high enough to hold tower section
(2) Place slotted end of gin pole bottom section
horizontal when released. Rest tower section on these
(7) into gin pole pivot base assembly (13) and rest the
other end of this section on pier A.
(3) Insert 11-inch bolt (14) into gin pole pivot base
assembly (13) and fit it through slot in gin pole bottom
There shall be at least two full wraps
section (7). Secure with nut (6).
of cable on drum of tower hoist
(4) Insert gin pole top section (1) through pier A
during its operation.
tower support (8) and into gin pole bottom section (7).
Align these two sections with bolt (5) that connects
(3) Remove winch line from leg A and attach this
them. Secure with bolt (5) and nut (6).
winch line to legs B and C at point X. Attach cable of
tower hoist to leg A at point X.
Before raising tower section No. 1,
be sure that the tower pivots are
When lowering tower section No. 1,
properly aligned and not 1800 out of
put blocks of equal height beneath
the pivoting tower legs. Otherwise
assemblies may be damaged when
damage to the tower or to the piers
tower section No. I is raised.
could result when these legs rest on
the piers, especially if the terrain is
(4) With tower hoist, raise tower section, and with
uneven. The supporting blocks must
winch truck, restrain tower section as it is set down.
be the right height for allowing the
attachment of tower section No. 2,
and they must be capable of
When tower section No. 1 is almost
supporting 1000 pounds each.
raised and before it is set down
completely, check alignment of the
studs in tower support with the
When tower section No. 1 is lowered,
mating holes in tower leg that sets
be sure that cable rides in cable slot
down. If holes and studs do not
at top of gin pole. Gin pole will then
align, correct alignment to prevent
act as lever.
damage to tower leg or tower
(1) With winch truck, begin lowering tower section
No. 1. Restrain tower section by means of tower hoist.
(5) Before allowing tower leg A to come
Lower tower section down on its side. Detach winch
completely down, make sure that the holes in the flange
truck and tower hoist cables from tower section.
of this leg align with the bolts in tower support. If studs
(2) Assemble tower section No. 2 following the
and holes do not align, loosen pier nuts (18, sheet 2) on
procedure for assembling tower section No. 1
piers B and C or brace nuts (4 and 7, sheet 1), and
adjust the position of the tower. If alignment still cannot
tower braces No. 3 instead of No. 1 and tower braces
be achieved, tap nuts (18, sheet 2) on pier bolts of pier
No. 4 instead of No. 2.
A with a hammer to slightly bend the bolts and thereby
(3) With winch truck, raise tower section No. 2 by
move tower support into position under leg A.
leg A. Attach this section to tower section No. I and
(6) If gin pole is not to be installed immediately,
secure tower section to piers with four nuts (18, sheet 2)