Meiko UPster U 400 Operating Instructions Manual page 41

Operating Instructions UPster U 400 / U 500 / U 500S
9735077
Maintenance procedures
1. Pumps
Check pumps for leak tightness, pump rotor noise, rotation direction
and function
Check pump suction
Check pump sieves correctly fitting and operating correctly
Check sliding seal/counter rotation ring
2. Wash system
Check water level in tank
Check that wash water pipe is watertight
Check washing system is complete and produces correct spray pat-
tern
Check wash arm hubs
3. Fresh water final rinse
Check flow-water pressure
Check that the final rinse system is complete and produces the cor-
rect spray pattern
Check that system is watertight
4. Housing and mounting parts
Check housing, tank, sheet metal cover, hood, doors and covering of
machine base for damage and correct operation
Check tank cover screens
Check boiler, hoses, clamps, plastic parts and seals
5. Fresh water installation
Check level regulation
Check valves, clean dirt trap
Check that all fittings (incl. hand spray) are watertight
For built-in water softener: Check settings
For complete/partial water softener: Check functioning
Check water hardness
6. Waste water installation
Check if watertight
Check pressure hose position and operation of drain pump
7. Electrical installation
Check of all fuses
Tighten all electrical connections
Check tank and boiler heating
Check thermostat and stop switch
8. Electrical safety check
Visual inspection
Check the protective conductor
Measure insulation resistance
Protection conductor current measurement
9. Detergent dosing
Design and construction subject to change without prior notice
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of
at least 1 x
year
at least 1 x
year
at least 1 x
year
at least 1 x
year