Maintenance - Honeywell TRZ2 Q Manual De Instrucciones

4. Maintenance

 INFORMATION!
Meters without an oil pump are maintenance-free.
 NOTE!
Meters with an oil pump must be lubricated every 3 to 4 months.
For special gases such as propane or butane, or in difficult
operating conditions (e.g. full load operation or contaminated
gases), the lubrication intervals should be halved (every 1.5 – 2
months).
 CAUTION!
Always keep the supply tank topped up with oil to prevent air
entering the pipe system. Use only fresh, clean oil. The supply tank
must be sealed tightly immediately after filling so that no dirt or
water can get into it.
 NOTE!
Other non-resinous and non-acidic oils with a viscosity of approx.
30 mm²/s at 20°C, solidification point lower than -30°C, or
equivalent oils may be used.
 You must open the cover of the supply tank before operating the oil
pump's hand lever/pushbutton.
 Check the oil volume: there must be an adequate volume of oil in the
supply tank. The oil level must be visible in the strainer.
 The meter must be operational, i.e. the turbine wheel must be turning.
 Actuate the oil pump by hand as shown in Table 9. Pull the hand lever
evenly as far as possible or press the pushbutton down as far as possible.
One actuation cycle corresponds to one stroke of the pump's piston.
 After actuation, you must reseal the supply tank tightly.
Meter size:
DN 50
DN 80/100
DN 150
Oil type:
Shell Catenex T 121
Klüber ISOFLEX PDP 38
Table 9 | Maintenance instructions
73018696f © Elster GmbH | All rights reserved. Subject to modification
Maintenance instructions
Number of strokes:
Oil pump with lever
2
4
6
Oil types
Pushbutton oil pump
4
8
12
Operating temperature range:
-10°C to +70°C
-25°C to +70°C
Honeywell
25