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Live
Line Insulator Washers
Power outages due to flashover of contaminated high voltage insulators is
an increasing problem in most areas of the world. Live line washing of substation,
distribution and transmission insulators is often the most productive method
to maximize system performance.
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TRANSLINK
offers a wide variety of well-proven insulator maintenance equipment to wash
all types of contaminant from insulators - in most cases while the lines are
still energized. |
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The
insulator washer packages can be operated by crews working from the ground,
climbing the structure, remote controlled tele-washing or operating from a vehicle-mounted
aerial platform. |
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Truck-mounted
washer |
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Various types of units - skid mounts, trailers or packages that can be adapted
to aerial device equipment allow the users to choose the appropriate insulator
washer best suited to the particular conditions. |
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Important
considerations in selecting the appropriate options are system voltage, insulator
type, height of insulators to be washed, severity of the contamination and frequency
of washing, wind conditions and access to the structures. |
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Live
washing of insulators, even at the highest voltage levels, is possible with
the correct nozzle pressures, water quality and safe washing distances recommended
by TRANSLINK….
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Skid-mounted
insulator washers can be provided pre-installed on suitable chassis with or
without aerial access platforms or Insulator Washer Booms. Boom working heights
up to 42m with washing up to 50m
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This
unitized washer is designed for mounting on a truck chassis or flat-bed body.
The full length steel channel skid frame is equipped with rugged lifting eyes
at each corner for rapid installation or removal by crane.
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Various
capacities of water tank are available, from 2000 to 18000 litres with standard
sizes being 6500 and 4700 Litres.
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Trailer-mounted
washer |
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This
type of insulator washer consists of a completely integrated unit that can
be towed and parked, thus freeing the truck for other duties.
The
full-length steel channel frame assembly has a towing eye hitch with adjustable
screw-type hitch jack.
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The
water tank capacity range is from 2000 to 18000 litres with axles fitted with
spring operated air brakes and a ratchet operated hand brake. Sand tyres and
a highway lighting package are included.
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Power
source |
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Critical
to save the life of the carrier truck’s engine on skid mounts and practical
on aerial mounts allowing the boom to be used as a non washing aerial device
with the skid pack removed.
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Diesel
engine suitably rated with 12 volt starting motor; fuel filter; oil filters;
fuel primer; heavy duty radiator; alternator; battery; silencer; full lockable
engine cowling and solenoid operated automatic throttle. The engine stops
automatically at low water tank level to safeguard pump operation.
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Pumping
and water system |
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Four-stage
high pressure centrifugal pump with outboard ball bearing; balanced impellers
and replacement wear rings; suction line from tank to pump suitably sized
for maximum efficiency of pump; high pressure lines to hose reels equipped
with two shut-off valves and pressure gauge; pump equipped with a constant
by-pass circuit for water circulation and pump shock protection when wash
gun trigger is released.
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Instrumentation
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A
“plug and go” removable instrument panel with quick disconnect
weather-tight sockets allows for easy replacement of damaged parts or service
works.
Instruments
include:
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- high
pressure water gauge;
- tachometer
and hours run meter;
- oil
pressure, water temperature; fuel gauges;
- voltmeter;
circuit breakers;
- constant
conductivity monitor and set points;
- keyswitch;
swichgage control;
- constant
water flow indicator
- battery
indicator
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Constant
conductivity monitor
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The
monitor is located at the operator's control station to provide a constant
indication of the water quality in the tank.
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A
pre-settable alarm warns if conductivity of the water is above the recommended
level for the system voltage of the insulator being washed.
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Automatic
throttle control |
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The
engine throttle can be manually pre-set to the desired speed to obtain recommended
water pressures. Selecting the control switch to 'automatic' holds the engine
at 'idle' until the wash gun is activated. Engine speed will then increase
to the pre-set rpm. When the wash gun trigger is released the engine returns
to 'idle'.
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Hose
reels |
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One
or two mechanical rewind hose reels with
150 ft of 1 inch high-pressure hose with quick release couplings (QRCs). Reels
have large diameter centre drums to eliminate damage to high - pressure hose.
Optional electrically operated rewind hose reels are also available. Hose
rollers are fitted as an optional extra.
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For
tele washing spring tension hose reels are mounted on the side of the booms
with hose rollers.
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Wash
guns |
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High-pressure
stainless steel guns with 'dead man' type trigger control, QRC, flow straightener
and 1 / 4 inch nozzle. For high wind conditions, wash guns with
5 /16 inch nozzles are available.
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Pressure
gauge and 3m fly hose are optional. All parts interchangeable. |
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Earthing |
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Main
earthing cable - 26 metres long with one earth stud clamp and one tower clamp.
Wash gun earthing cable - 6 metres long with one gun clamp and one tower clamp.
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Standard
cables are lightweight Aluflex 50 mm2 complete with lugs and clear plastic
sleeving (copper cables optional). Cable reels are can also be supplied as
options.
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Water
tank |
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Low
profile 4mm thick 304 or 316 stainless steel water tank with baffles and including
access cover; suction outlet and stainless steel strainer; low water warning
and engine shut-down float switches; constant conductivity monitor probe;
water level sight gauge; water by-pass pipe from pump and tank drain with
valve. Tanks in rectangular form for skid and trailer mount and semi-eliptical
for teleboom insulator washers and aerial boom applications.
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Portable
conductivity tester |
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Optional
meter with dip probe used to check water quality at source, if necessary,
prior to filling the water tank.
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The
Industry's Leading Insulator Washers |
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TRANSLINK’s
line of heavy-duty, high-cycle insulator washers is the product of the company's
rich heritage for providing specialized equipment to satisfy specific needs.
Washing power line insulators is a serious job that requires the most reliable
equipment.
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TRANSLINK
washers are a precise combination of heavy-duty components and intricate controls
designed to protect the operators and machine, while providing maximum comfort.
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The
IW 170, IW 220, IW 300, IW 400 and IW 420 models are designed to get maximum
utilization from their water tank capacities (6500 to 8000 litres) enabling
longer service periods without refill.
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