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Double Ball Service
Double Ball Service
Disconnect the Pump
WARNING
PRESSURIZED FLUID HAZARD
This equipment stays pressurized until pressure is
relieved manually. To help prevent serious injury
from moving parts, or from pressurized fluid, such
as splashing in the eyes or on skin, follow the
Pressure Relief Procedure in your system manual
when you stop pumping and before you clean,
check, or service the equipment.
PERSONAL PROTECTIVE EQUIPMENT
Wear appropriate protective equipment when
in the work area to help prevent serious injury,
including eye injury, hearing loss, or inhalation of
toxic fumes.
This procedure involves thoroughly disassembling
and cleaning the individual parts in the pump lower
unit. Prior to performing this procedure, flush the
pump and relieve pressure as described in the
system manuals, disconnect all hoses, and remove
the pump from the system.
1. Hold the reducer fitting with a wrench. Use a
spanner wrench (T)* to loosen the coupling nut.
* A Graco spanner wrench tool (112887) is
available.
2. Lower the coupling nut enough to remove the
coupling collars.
3. Release the clamp (C) holding the displacement
pump (L) to the tie rod plate (P).
6
3A5798B
All manuals and user guides at all-guides.com