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3310643
Service
Pressure Relief Procedure
WARNING
PRESSURIZED EQUIPMENT H
A
Z
A
RD
The system pressure must be manually
relieved to prevent the system from
starting or spraying accidentally. To
reduce the risk of an injury from ac cidental spray
from the gun, splashing fluid, or moving parts,
follow the Pressure Relief Procedure whenever
you:
D areinstructedtorelievethepressure,
D stop spraying,
D check or s ervice any of th e system equipment,
D or install or clean the spray nozzle.
1. Engage gun safety latch.
2. Turn ON/OFF switch to OFF.
3. Unplug power cord.
4. Disengage gun safety latch. Hold metal part of gun
against grounded metal pail and trigger gun into
pail to relieve pressure.
5. Engage gun safety latch.
6. Open any fluid drain valves in system. Leave drain
valve open until ready to dispense again.
Pump Repair Kits
Pump Repair Kit
248204, 255968 248212
253056 287825
248205, 249057, 249059,
257146
248213
Tools Needed
Vise
12 in. adjustable, open end wrench (2)
Hammer, 20 oz maximum
Small screwdriver
Throat Seal Liquid
Pick or long small screwdriver
Cleaning and In sp ectin g Parts
1. Clean and inspect parts. Pay particular attention to
the ball seats in the intake valve and piston, which
must have no nicks or wear, and to the inside o f
the sleeve and the outside of the piston rod, which
must not be worn or scratched. Replace worn or
damaged parts.
WARNING
COMPONENT RUPTURE HAZARD
Never u se sharp or pointed tools to
remove sleeve o r other components
which could result in pump rupture and
cause serious bodily injury. If the sleeve cannot be
removed easily, return the sleeve and cylinder to
your Graco distributor for removal.
2. Remove and clean the sleeve when you are
repacking the pump.