Fluid shutoff valve, Repairing hydra-spray hose – Graco 226-167 SERIES"A" User Manual
Page 9
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'
2. Remove oiler from a±r motor top cap. See
?ig. 5. Fill oiler vdth kerosene. Replace oiler.
3
. Allow a soaking period of 5 to 10 minutes,
then start air motor. Run motor slowly. After
smooth operation has been achieved and kerosene has
been hlown from exhaust, stop motor, remove oiler
screw and fill oiler with a light air motor oil.
NOTE: MASK N0 ATTEMPT TO DISASSEMBLE AIR
MOTCR. If it should need repair, contact your
nearest Grace Authorized Service Depot.
FLUID SHUTOFF VALVE
205-583 iACCESSORY)
ORIVf PfNS
BOOY-
562-833 SEAT
I62-B34 BALL
FIG.6
ELEVATOR
LDBRICATION
Worn ”CF* rings, ball seat or ball may cause
valve to fail to operate. If service is necessary,
shut off air supply, relieve fluid pressure and re
move valve. Place valve body in a vise and drive
the two pins out of holes in valve body. Remorve
valve cap firom body being careful not to turn cap
as this would shear off the locating pins in valve
body. See Fig. 6. Disassemble and replace any
worn or damaged parts. NOTE; With handle removed,
nO”
ring
15L-741
can be beat removed by first re
moving ball 162-83L from body and then pushing
handle shaft down Into cavity in valve body.
Every 2 to 6 weeks with elevator free of air
pressure, unscrew and remove cap l6iii-2ii.6. Fill
inner cavity of cup leather 150-179 'with SAE 20
oil. Replace cap. Raise elevator and lubricate
exposed surface of elevator guide tube I6i4.-2L7.
See parts illustration for location of parts.
PUMP. REGULATOR, SPRAY GUN AND
FILTER OR SURGE CHAMBER
Refer to separate sheet for maintenance in-
■ structions and parts identification.
REPAIRING HYDRA-SPRAY HOSE
Hvdra-Spray hose is constructed of Dupont
"PTFE^ inner lining tube with stainless steel
wire oraid outer cover. This hose is expensive
and should be handled with care. If hose should
become damaged it can be salvaged by assembling
couplings to the broken ends of hose sections.
Graco detachable and reusable couplings consist
of two parts, the female swivel stud 20Д.-937 and '
the sleeve 162-366, and are assembled upon hose
in the following manner;
MOTE: A hose coupling fixture Graco No.
F-20898 specifically designed to facilitate the
assembly of couplings upon this type of hose may
be obtained from factory. This fixture consists
of a two piece assembly block and an assembly
tool as shown in Fig. 7,
S
and 9.
_
1. Position the two piece assembly block on
hose with plain side of block toward hose end to
be cut and clamp in a vise as shown in Pig. 7.
Cut off with a fine tooth hand hack saw.
2. Remove hose from block and grip in vise
about 2 inches from end just cut. CAUTION; Do
not crush the hose—apply only enough pressure
on the vise jaws to hold while forcing the sleeve
onto hose.
3
. Add a drop of oil to the end of the
wires, position assembly block with its grooved
side toward end of hose just cut and slide block
onto hose until it protrudes about 1/32 to
I/I
6
of an inch beyond the end of hose. See Fig. 8.
ASSEMlLf TOOL
OF FiXTUHL
CAUTION-
DO NOT CRUSH
H05C
if. sup
the threaded end of sleeve
162-366
over assembly tool as shown In Fig. 8 and while
holding block in place on hose, insert end of tool
into hose and end of sleeve into groove.
OIL LIOHT
l
T
5* While twisting sleeve back and forth
with a wrench apply body pressure to assembly
tool and as sleeve is forced onto hose allow
block to slide back. After about
i
inch of
hose is covered, remove the block and continue
to force sleeve onto the hose until end of hose
reaches the shoulder in sleeve. Refer to
Fig. 10.