15
Maintenance
Daily Maintenance
To ensure a problem free system, simple visual checks
can be performed. Check for leaks in inlet supply,
pumping system, pump to heater hose, heater, spray
gun(s) and high pressure hose. Check for normal
operating functions and pump oil level/condition. Check
nozzle condition. If badly worn or leaking conditions are
found, qualified personnel should repair or replace
components with new original or equivalent manufac-
turers parts.
Check equipment for proper operation. Nozzle spray
should be uniform in flow, angle, and pressure. Clean if
nozzle is plugged and replace if worn. If a heavy
pulsation in the hose or spray is observed, repair of the
pumping system is required.
Weekly Maintenance
After the first week of operation, it is recommended 1
quart (1 litre) of motor oil be added to the heat
exchanger tank through the 1-1/4" fill pipe. This oil
creates a vapor barrier and slows evaporation of water
in the tank.
Check heat exchanger water level. The level must be
up to the filler pipe neck. Add water if necessary. If cold
water has been added, heating may cause the
expanding water to escape through the filler plug. This
will stop after operating temperature has been reached.
Monthly Maintenance
Check system for operation. Automatic start/stop, hot
high pressure water, and smooth operation should be
noted.
Change oil in pump crankcase. Note the condition of
the oil when drained. If found to be creamy, water seals
in pump may have to be removed and replaced.
Landa EHW Operator’s Manual 8.941-114.0 - M
Содержание 1.109-500.0
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