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C. Synchronization of Actuators
It is important to the operation of the PTS System that the actuators work in synchro-
nization. The actuators may be out of synch a considerable amount before binding
occurs, however, reducing the occurence of this will increase the lift of the actuators and
prevent damage to the existing wiring system. The PTS System circuit should be
protected by a 35 amp fuse.
Do not permit personnel to hang, sit or stand on portable tank while stored on
the PTS System. If the unit is overloaded, the internal clutch will slip and prevent damage
to the actuators.
When the operator raises or lowers the unit, he should let it run until he hears both
clutches start to slip so that the actuators re-synchronize and are ready to run in the
opposite direction.
IV.
INSTALLING THE PORTABLE TANK SYSTEM
A. Preparation for Mounting
Plan and lay out the entire installation before making any cuts or drilling holes in the
body of the fire apparatus. This will keep "out of service" time to a minimum and also help
to minimize mistakes. See Section IV. C. (Electrical System) before any holes are drilled
into the apparatus.
The system was designed for use on a shelf with a minimum depth of 8-1/4". The total
depth of the system is 9-1/2". To determine the total length required to mount the system,
measure the length of the collapsed portable tank and add 21". We are allowing 10-1/2"
for each device on the end of the tank which includes 1" at each end or a total of 2" of
"play" for the tank to move within the boxes (9 & 10). This 2" must be provided or the tank
may bind when raising or lowering (see page 13).
B. Mounting the System
Double check your measurements adding 21" to the collapsed length of the portable
tank. Mark this total length on your mounting surface (as a reference) and then set the
two devices in place on the shelf. Make absolute locations on shelf using measurement
guides on pages 16 & 17. Note the minimum clearance required for the hinge to pivot
(detail drawing in top right corner, page 17). Mark the outside edges of each device on
the mounting surface.
The tank boxes (9 & 10) are shipped separate from the devices. The neoprene pads
(14) and 1/4-20 x 1" flat head screws (20) are also shipped loose.
-3-
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