Enviro ST1 - Maintenance Intervals

Division:
59 I 77
Maintenance intervals
Interval Action Carried out by
Daily before
starting work
Visual inspection for:
 Damage to the casing
 Damage to the base plate
 Damage to the ventilation hoses
 Checking the arm bar
 Operating display on the filter housing
User
Daily after
completion of
work
Cleaning or decontamination of at least the front third of the
base plate as well as the inside of the front flap.
User
Monthly
Visual inspection of the:
 Electrical connections on the alarm system
 Connections of the ventilation hose on the ST1 safety
weighing enclosure and filter housing
 Cable cover plates
 Screws on the air-collecting chamber
 Fastening of the waste system
Functional test
 Alarm function (sensor test)

Smoke test (flow visualisation) on the ST1 safety weighing
enclosure and in the environment
Basic cleaning
 Basic cleaning of the interior of the ST1 safety weighing
enclosure excluding the rear wall
User
Annually
Basic cleaning before annual maintenance
 Basic cleaning of the interior of the ST1 safety weighing
enclosure including rear wall
User
Functional tests according to SOP: Q ST1XXSOPG
 Checking the inflow velocity
 Checking and calibrating the alarm system
 Checking the retention rate of the filter (DOP test)
Service a1
-
envirosciences