![Hydro Mobile M2 Series Owner'S Manual Download Page 72](http://html.mh-extra.com/html/hydro-mobile/m2-series/m2-series_owners-manual_2191869072.webp)
71
X
fi g. 5.6
OU
fi g. 5.7
fi g. 5.8
5 - M
AST
AND
M
AST
T
IES
Masts and Mast Ties
5-
Pin the required straight mast tie to the mast tie attachment using a clevis pin
and a linch pin.
6-
Pin the straight mast tie to the wall tie and adjust its length until the mast is perfectly
plumb on the front axis. Use the threaded rod and the pin for adjustment, leaving a
maximum length of threaded rod inside the mast tie tube for added strength.
7-
Install the required mast tie at a 25° angle (fi g. 5.1, p. 69) and use the threaded rod
to adjust its length until the mast is perfectly plumb on the side axis. Mast ties installed
at a 25° angle must be installed outside or inside, using the same confi guration on
both masts, as shown in fi g. 5.6 and fi g. 5.7. Mast ties must never be installed in a
parallel
fashion.
WARNING - WIND SPEEDS
The
erection
and
dismantling
of a motorized unit setup (including the base,
the bridges, the masts, the mast ties and all the other components) must not
be conducted when wind speeds exceed
28 mph (45 km/h)
.
Freestanding
installations
and
setups equipped with weather protection
, when allowed,
must not be used with wind speeds exceeding
28 mph (45 km/h)
.
Weather
protection
, when allowed,
must not be used
when work is performed on an
open air structure
. A motorized unit setup with
mast ties must not be operated
when wind speeds exceed
35 mph (56 km/h)
.
When a motorized unit is not in use
- It is mandatory to leave the platform between two tie levels when the motorized
unit is not in use.
- Remove all loads from the setup when the motorized unit is not in use.
- It is mandatory to leave all the counterweights applied on the setup in place
when the motorized unit is not in use.
- In a freestanding installation, when allowed, the motorized unit must be brought
down to base level when not in use.
- If wind speeds are expected to exceed
94 mph (150 km/h)
, the motorized unit
must be brought down to base level when not in use.
Installation of mast ties (cont'd)
INCORRECT MAST TIE INSTALLATION
INSIDE
OUTSIDE
APPROPRIATE MAST TIE INSTALLATION
Mast ties must always be installed with the angled mast tie outside or inside, as shown in
fi g. 5.6 and fi g. 5.7, using the same confi guration for both masts. Mast ties must never be
installed in a parallel fashion as shown in fi g. 5.8.