11
Maintenance
AVL 415SE Smoke Meter — Maintenance Guide
2 Maintenance
2.1 Procedure
When the device is put to average use, we recommend:
1. Each time the paper is changed, perform the following steps:
– Inspect the reflectometer head - clean if necessary (do not forget to
clean also the light gate 1).
– Inspect the two fine filters and replace if there are any signs of soiling.
– Inspect the blackened filter area.
– Perform a leak check.
– Check white value disk for soiling and clean if necessary.
– Lubricate moving parts of the camshaft and the ratchet clip by using
Teflon lubricant oil (material number: HS0064) or Teflon lubricant spray
(material number: HS0058).
2. After 300 operating hours or 10 000 measurements (corresponds to 5 … 10
paper rolls - material number HP0153SP) do the following:
– Check the reflectometer head.
– Check the sampled volume.
– Clean sampling line tube with ultra-clean, oil-free and water-free com-
pressed air.
– Clean the light gate 1 with ultra-clean, oil-free and water free com-
pressed air.
– Check filter mat for cooling air.
– Check the ratchet clip and the clamping lever.
– Carry out all the activities described in the following sections.
– Replace all fine filters.
– Clean and lubricate moving parts of camshaft and ratched clip using
Teflon lubricant spray (material number HS0058) or Teflon lubricant oil
(material number HS0064).
– Check pump noise and check nominal pump flow.
NOTICE
For permanent operation of the measuring device (fully automated endurance
runs, 24 h/day, 6 … 7 days/week), a service is recommended every 3 weeks.
A full service or replacing the pump is recommended every 3 months.