Pressure Relief / Work Interruption - WAGNER TOPFINISH GM 1030P Operating Manual

VERSION 02/2019
7.4

PRESSURE RELIEF / WORK INTERRUPTION

The pressure must always be relieved:
– after the spraying tasks are finished,
– before servicing or repairing the spraying system,
– before carrying out cleaning tasks on the spraying system,
– before moving the spraying system to another location,
– before something must be checked on the spraying system,
– before the nozzle, needle or filter is removed on the spray gun.
The components for pressure relief on a CE-compliant spraying system include:
– Air cock with pressure relief hole mounted between compressed air source and
pneumatic pump.
– Outlet equipment (return valve) mounted between pump and spray gun.
Pressure relief procedure
1. Close the spray gun.
2. Relieve the air and product pressure in the product pressure generator in accordance
with the respective operating manual.
3. Point the spray gun into the grounded metal tank for return product.
4. Open spray gun to relieve the pressure. Avoid splashback.
5. When no further overpressure is detected, close the spray gun.
– In the case of a clogged nozzle, proceed in accordance with Chapter 7.5.
– If the product hose is obstructed: slowly loosen the hose connection to release the
remaining pressure.
ORDER NUMBER DOC 2397374
TOPFINISH GM 1030P
27