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FLEXTOOL OPERATING INSTRUCTIONS

PORTABIVE BACKPACK FVE-BP

3

1300 353 986  

flextool.com.au

FIRE & EXPLOSION HAZARDS

   PETROL is extremely flammable and explosive under certain 

conditions. 

   ENSURE that petrol is only stored in an approved storage 

container. 

   DO NOT refuel the motor while it is in operation or hot. 

   DO NOT refuel the motor in the vicinity of sparks, a naked 

flame or a person smoking. 

   DO NOT over fill the fuel tank and avoid spilling petrol when 

refuelling. Spilled petrol or petrol vapour may ignite. If spillage 

occurs, ensure that the area is dry before starting the motor. 

   Motor vibrations can cause an improperly tightened fuel cap 

to loosen or come off and can result in fuel spills. In order to 

reduce risk of fuel spillage and fire, ensure fuel tank caps are 

sufficiently tightened 

   NEVER attempt to refuel a petrol engine until it has been 

stopped & completely removed from the operator.

CHEMICAL HAZARDS

   DO NOT operate or refuel a petrol motor in a confined area 

without adequate ventilation. 

   CARBON MONOXIDE exhaust gases from petrol engines can 

cause death in confined spaces.

NOISE HAZARDS

   EXCESSIVE NOISE can lead to temporary or permanent loss 

of hearing. 

   WEAR an approved hearing protection device to limit noise 

exposure as required by Occupational Health and Safety 

regulations. Noise levels in excess of 85dB(A) may be 

produced by engines and concrete vibrators.

PROTECTIVE CLOTHING

   ALWAYS wear protective clothing and footwear to prevent the 

skin coming into contact with wet concrete. 

   PROTECTIVE FOOTWARE should be worn to reduce injuries 

from penetration through the sole, contact with cutting 

objects, slipping and contact with wet concrete. 

   EYE PROTECTION must also be worn to prevent eye injuries.

   USE GLOVES when handling and inspecting the flexible shaft 

outer casing. Excessive wear of the rubber cover can expose 

the wire braided reinforcement, allowing it to project and  

cause injury.

ADDITIONAL HAZARDS

   To reduce the risk of injury from loss of balance and muscle 

strain do not start the engine whilst it is on the operators back.  

To start the engine place the unit on an elevated flat level 

surface, and only place on the operators back once the engine 

is idling. 

   Exercise care when using the backpack unit.  Ensure shoulder 

and waist straps are adjusted to suit the operator, ensure the 

weight of the unit is evenly distributed across both shoulders 

and hips to reduce back injuries. An incorrectly fitted and 

unbalanced PortaVibe Backpack may cause you to become 

unbalanced, particularly on uneven surfaces or elevated 

positions. Slip/Trip/Fall can be a major cause of serious injury.

OPERATION

   Do not engage the flexshaft drive coupling into an engine that 

is already running. Flexshafts must only be connected to the 

drive engine prior to it being started.

   Set your backpack unit on the ground and attach the flexshaft 

using the quick connect adaptor that is on the unit. 

   Start the engine - For information on correct engine starting 

procedures refer to the engine manufacturers operation 

manual. 

   Once the backpack has been started place it on the operators 

back and adjust the straps to suit the operator.

   Do not use an immersion vibrator head as an external vibrator 

by applying it to the outside of formwork.

   Do not operate the vibrating head out of concrete for extended 

periods. 

   Do not leave it running while you wait for fresh supplies of 

concrete to be placed. Vibrator heads are designed to be 

cooled by the concrete in which they are immersed. 

   During periods when the vibrator head is not immersed in the 

concrete drop the engine speed back to idle

CARE AND PREVENTATIVE MAINTENANCE

   Keep the PortaVibe Backpack drive unit clean and free of 

concrete residue and build up. 

   Concrete vibrators must be handled with care and be properly 

maintained in order to avoid unnecessary breakdowns. Check 

regularly for signs of wear and rectify any faults immediately. 

   The exterior of the flexshaft and the vibrator head are subject 

to abrasion and wear. If the vibrator is operated unchecked, 

concrete will eventually enter the vibrator head or the flexshaft. 

Naturally, the cost of repairing a vibrator which has been 

allowed to deteriorate in this way will be greater. 

   Regular inspection of the vibrator and the flexible shaft will 

avoid these problems. 

   Check the flexible shaft for kinks and external damage by 

laying it out straight on a workbench or the floor. Although 

it still operates a badly kinked flexible shaft may result in a 

broken inner core. 

CLEANING AND STORAGE

It is advisable to wash the vibrator head and flexshaft with clean 

water after each use and before storing. This will ensure that 

concrete does not accumulate on the exterior of the unit that can 

cause overheating and premature failure of the unit.

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