English
15
Maintenance and service
Battery replacement
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Turn tester off.
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Loosen the two screws either end of the battery cover.
Note: They are captive screws.
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Carefully remove battery and disconnect.
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Connect new PP3 battery (See General Specification for details), place in tester and replace
battery cover.
Note: Only replace with similar size and type of battery.
Calibration
Recommended period between calibrations is 12 months. Maximum period between calibrations
is 36 months. Unit accuracy may be affected by operating cycle, fluid condition or extended
periods between recalibrations.
Testers can be specially calibrated at a different viscosity to the standard, please contact sales
for further information.
Accessories
Low pressure gauge kit - comprises 63 mm Glycerine filled 40 bar (600 psi) gauge with
automatic cut-out valve, pressure test point and 300 mm (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.
For 2 series testers only: 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.
A range wide range of general accessories are available, these include pressure transducers, high
pressure temperature sensors adaptors, cables and remote displays, please consult sales office
Only use Webtec approved parts and accessories, using other parts could cause permanent
damage to the tester or comprise safety.
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Disconnect the tester from the hydraulic
circuit
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Locate the new discs - the tester is shipped
with spare discs located in the block
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Screw the load valve fully shut - (clockwise)
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Unscrew the safety disc holder from the valve
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Remove the disc spacer and ruptured discs
from the valve and disc holder
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Carefully shape the two new discs by pressing
them by hand between the disc holder and
spacer
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Place the first disc inside the valve
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Replace the spacer
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Place the second disc on top of the spacer
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Screw in the disc holder, tighten to 54 Nm
(40 lb.ft)
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Unscrew the load valve fully
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Re-connect the tester if required
Replacement of burst discs
