Ito pala yung perodic maintenance schedule of lpg kits. Taken from Aldesa website. I copied and paste it for your convienence.

http://www.aldesa.com.tr/aldesa/en/c...4&CID=13&PID=5

"Possible Failures With Your LPG System
Periodical Maintanence

The electrical installation shall be checked at every 10,000 kilometers and for the existence of any oxidization on connections.
Caustics and impurities trapped in the evaporator-regulator shall be discharged by opening the drain plug at every 10,000 kilometers.
The filter in the LPG electro-valve shall be cleaned at every 10,000 kilometers.
Repair sets for electro-valves and the evaporator-regulator shall be changed at every 10,000 kilometers.
The state of the main hose and connection components should be checked.
Stage 1 and 2 pressures of the depressurizer should be checked.
Any filth buildup in the hole counterbalancing the pressure on the diaphragm should be checked" Quoted from Aldesa website.