Compac CNG User Manual

Servicing
Scheduled Servicing
Compac Industries Ltd.
Page 41
www.compacngv.com
Scheduled Servicing
Weekly checks
 Check the sealing and operation of the three-way refuelling valve (see page 46).
 Check the sealing and operation of the solenoids. Refer to: Checking the Sealing of the Solenoid (see page 42)
 Check the sealing and setting of the regulator. (see page 43)
 Drain the Coalescing Filter (see page 46).
Suggested 6-monthly or 4000 compressor run hour service
 Check the dispenser for leaks (see page 45).
 Check the Coalescing filter elements, replace if necessary. (see page 47)
 Check damage and electrical continuity of Refuelling Hoses
 Replace Breakaway seals
 Replace 3-way refuelling valve seals and inspect ball for scratches and wear. Replace ball if necessary. (see page
55)
 Replace refuelling probe O-rings. Check that the probe is not damaged or bent, replace if necessary
 OEM Nozzles and Breakaways - Refer to manufacturer’s instructions
Suggested yearly or 8000 compressor run hour service
In addition to all the checks listed in the 6-month service, carry out the following:
 Dismantle and clean the solenoid valves. Replace the seals and O-rings (see page 48).
 Dismantle and clean the regulator valves. Replace the seals and O-rings (see page 52).
 Check the dispenser calibration. Meter Calibration (see page 67).
 Check the C4000 Processor Board is clean, dry and dust free.
 Check the UPS and voltage stabiliser supplying power to the dispenser is working according to the manufacturer’s
specifications.
 Check the C4000 flameproof box lid is bolted down tight and all glands are tight.
 Check the zero point and calibration of the dispenser pressure transducers (fast fill & temperature compensation
only).

Compac CNG Specifications

General

Brand	Compac
Model	CNG
Category	Dispenser
Language	English