Maintenance; Routine Maintenance - Graco HydroShield Instructions Manual

Maintenance

Maintenance
Maintenance Maintenance
Servicing this equipment requires access to parts which may cause electric shock or other serious injury if
work is not performed properly. Moving parts, such as the isolation valve, can cut or amputate fingers.
• Do not service this equipment unless you are trained and qualified.
• To reduce the risk of injury, follow the
repairing any part of the system and whenever you are instructed to relieve the pressure.
• Comply with all local codes and regulations.
To reduce the risk of fire, explosion, or electric shock, before flushing or servicing the system:
• Follow the Fluid Voltage Discharge and Grounding Procedure, page
switch before flushing, checking, or servicing the system and whenever you are instructed to discharge
the voltage.
• Clean all parts with a non-flammable fluid as defined under
• Do not touch the gun nozzle or come within 4 in. (102 mm) of the nozzle during gun operation or until you
perform the Fluid Voltage Discharge and Grounding Procedure, page

Routine Maintenance

Maintenance
Routine Routine Maintenance
Before performing any maintenance task, prepare the system for service. Follow the
Prepare the System for Service, page
Table 8 8 8 Service Service Interval Interval Chart
Table Table Service Interval
Maintenance Task Task
Maintenance Maintenance Task
Flush the system regularly. Follow the steps in
Flush the System (Systems without Color Change), page 33
Flush the System (Color Change Enabled Systems), page
Flush before changing fluids, before fluid can dry in the equipment, at the end of the
day, before storing equipment, before repairing equipment.
Check for fluid leaks. Follow the steps in
Wipe off any build-up off of the isolation valve components.
Check the level of the wash fluid to make sure that it is above the minimum
line marked on the wash fluid bottle. Fill or replace, if necessary. Follow the
Replace the Wash Fluid, page
Clean the gun. See your gun manual.
Perform a pump stall test. Follow the
Perform task any time fluid is seen at the weep holes on the isolation fluid pump, or
any time the pump is serviced.
Check the bleed resistor. Follow the steps in
For maintenance of the Merkur AA fluid pump, reference manual 312794. See
Related Manuals, page
70
Pressure Relief Procedure, page 31
71.
Chart
Chart
Check for Fluid Leaks, page
72.
Pump Stall Test Procedure, page
Check the Bleed Resistor, page
3.
before checking, servicing, or
29, and turn OFF (O) the ES On-Off
Models, page 5.
29.
or
35.
71.
64.
73.
Daily Weekly
Daily Daily Weekly Weekly
�
�
�
�
�
�
3A7370C