Director Valve - Graco HUSKY 715 Instructions-Parts List Manual

Director Valve

NOTE: A complete air director valve assembly
number 223–178 (224–015 for Model 223–747
only), is available. To replace the valve as a com-
plete assembly, follow steps 1 and 2, install the
new valve and reassemble the pump. To replace
individual parts, follow this entire procedure.
NOTE: Repair Kit 221–090 is available for the director
valve. See page 30. Parts included in the kit are
marked with a dagger symbol, for example
(101 ). Use all the parts in the kit for the best
results.
1. Follow the Pressure Relief Procedure Warning on
page 12.
2. To remove the director valve, remove the nuts (38)
and bolts (7). Remove the gaskets (20 and 39) and
exhaust cover (25). See Fig 14.
3. Remove the retaining ring (114) from one end of the
director valve. Insert a screwdriver or similar tool
through the hole (D) in the cylinder (1 13) and work
the cylinder free. See Fig 15. Repeat for the other
end.
TOP HOLES OF
GASKET (20) MUST
BE OFF CENTER,
TOWARD LEFT SIDE
OF PUMP
HOUSING (5)
35
DIRECTOR
VALVE
Fig 14
SERVICE
NOTE: Model 224–015 Director V alve, used on Pump
, part
4. Remove the washer (105) and o–rings (101,1
5. Using 9/16" or 15 mm size socket wrenches, hold the
6. To remove the spacer (106), insert a
7. Remove the o–rings (110, 109) and u–cup packings
39
5
38
Model 223–747 only , has a dif ferent cylinder
(120) on the top end, which includes a reset pin
(118). See page 19 for parts.
112). See Fig 15.
end of one piston (102) steady while unscrewing the
other piston. See Fig 15. The valve stem (103) will
stay connected to one of the pistons; do not remove
the stem unless you are replacing one of these parts.
CAUTION
Check both internal and external sealing surfaces
of the valve housing (104) for nicks and burrs, and
replace if damage is noted.
through the housing (104) to the opposite spacer .
Press out the spacer. Refer to DETAIL A in Fig 15.
Repeat for the other side.
(107, 108), using an o–ring pick. See Fig 15.
TORQUE TO
38–42 in–lb
(4.3–4.8 N.m)
25
REMOVING THE DIRECTOR VALVE
11,
screwdriver
7
16
0818A