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WEBTEC HT Series Bedienungsanleitung Seite 6

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Installing the test unit
1
Connect the Tester to the circuit (see inside back cover for port sizes). The preferred flow
direction is indicated by the larger arrow on the panel. Use hoses and fittings of sufficient
diameter for the flow being tested. Avoid restrictions at inlet and outlet ports of the Tester.
Also avoid sharp bends because high pressure hoses will deflect and straighten under
pressure.
2
Ensure that the pressure loading valve is fully opened by turning the knob counter
clockwise.
3
Turn the selector switch to 'B Test' and check that the meter pointer indicates towards the
full battery symbol on the meter. The battery voltage is automatically compensated and no
adjustment is required. If the meter pointer indicates below the crossed out battery symbol,
replace the battery.
4
Select 'Tach', 'Hi' or 'Lo' range on switch as required.
5
When low pressure testing is required, connect the optional low pressure gauge with
automatic cut-out valve to the tester block.
Note: the test point can be connected by hand at full pressure.
INFRARED PHOTO TACHOMETER comprises infrared photo tach head, six metre connecting
cable and reflective tape. The BA20 magnetic base with flexible arm is also available, this is
used to secure the tacho head on the machine.
Note: The Photo-Tachometer should not be plugged in when the unit is already switched
on. First switch off the tester, plug in the Tacho and then switch the tester back on. Only
Webtec supplied Photo-Tachometers labelled FT9251 ISSUE B should be used with this
tester. Using other brands or earlier unlabeled versions, however similar they may appear,
could cause permanent damage to the Tester and or Photo-tachometer.
LOW PRESSURE GAUGE KIT comprises 63 mm Glycerine filled 40 bar (600 psi) gauge with
automatic cut-out valve, pressure test point and 300mm (12") long micro bore hose. The test
point is fitted permanently into the tester block and the low pressure gauge can be connected
by hand without the need to stop the machine.
ADAPTORS. Fitting kits are available for all testers. Consult Sales Office.
4
Accessories

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