Graco HYDRA-CAT FIXED RATIO, Инструкция-перечень запасных частей

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34
308986
Service – Pneumatic System
Displacement Pump
WARNING
INJECTION HAZARD
To reduce the risk of serious injury,
follow the
Pressure Relief Procedure
on page 23 whenever you are instructed
to relieve the pressure.
Removal and Replacement
Thoroughly flush the system with a solvent which is
compatible to the fluid being pumped, then follow the
Pressure Relief Procedure on page 23. The Flushing
procedure is on page 21.
NOTE: Try to always stop the pump at the bottom of
the stroke after flushing, before any maintenance, or at
any extended shutdown with the material in the pumps.
Stop the pump at the bottom of its stroke.
CAUTION
If you are changing to a different type of fluid, com-
pletely clean all of the equipment and hoses, making
sure that no fluid remains in any part of the system.
Remove the fluid outlet hoses from the displacement
pumps.
1. Two Displacement Pump Models Only
Unscrew the swivel unions (33) from the bottom of
the displacement pumps. See Fig. 23.
2. Three Displacement Pump Models Only
Unscrew the swivel union (33) from the bottom of
the center displacement pump. Unscrew the swivel
unions (126) from the outer displacement pumps.
Remove the supply manifold (125) from the outer
pumps. Unscrew the straight union (39) from the
center displacement pump. See Fig. 24.
Fig. 23
33
33
RES
HARD
Fig. 24
126
39
41
33
125
RES
HARD
RES