Graco Inc. 800-668 Pressure Washer User Manual


 
Servicing the V-Packings
5.
Thoroughly clean the packing cavities and examine
NOTE:
There are
two
types
of packing kits: one
is
packings
only,
the
Other includes the
6.
Lightly grease the packing cavities and then
packings, rings and retainers. replace the packinas in the followina order: head
for debris and damage.
1.
Remove the manifold as outlined in the Pumping
ring, v-packing, ihrmediate ring: head ring,
v-packing and packing retainer with the O-ring
installed in the retainer groove.
Section.
2.
Carefully pull
the
packing retainer from the
manifold. Examine the O-ring and replace it
if
it is
cut or damaged.
CAUTION
Install the parts in the proper order and facing the
Correct direction. Improperly installed parts will
cause a malfunction.
3.
Remove the v-packing and head ring.
Puli
out
the
v-packing and second head ring.
intermediate retainer ring. Remove the second
7.
Reassemble the manifold as instructed in Servicing
4.
Inspect all parts and replace as necessary.
the
Plungers.
ACCESSORIES
(Must
be purchased separately)
DOWNSTREAM CHEMICAL INJECTOR KIT ANTI-FREEZE FLUSH KIT 802-327
For injecting harsh cleaning chemicals downstream
For flushing system with
50%
anti-freeze solution prior
from the pump.
to
transporting or storing pressure washer in below
freezing temperatures.
800-425
BACKFLOW PREVENTOR 801 -1 33 INLET PRESSURE REGULATOR 800-258
Prevent back-up
of
contaminated water into fresh
Regulates
inlet water pressure
to
60
psi
(4
bar)
supply. Install upstream
of
pump. maximum.
WATER SANDBLASTING KIT 800-120
For abrasive cleaning
of
stubborn
dirt
and paint.
uses
801-758,3009
uses
801-994).
Requires
a
spray tip which is not included in kit
(2510
TECHNICAL DATA
Model
800-666
Model
800-668
Enaine ftwin cvlinder,
4
Cvcle. air-cooiedl
I
24
HP
Onan
i
24HPOnan
I
Battery
12 volt,
30
amp,
2%
CCA
12
volt,
30
amp,
250
CCA
Gasoline Tank Capacity
Water Pump Maximum Working Pressure
6 gallon (23 liter) 6 gallon (23 liter)
Dimensims
343
Ibs
(156
kg)
343
Ibs
(156
kg)
Weight
3/4"
NPT
(r)
3/4"
NFT
(f)
Inlet
Hme
Connection
9
gpm
(34
ipm) 10
gpm
(38
Ipm)
Water
Pump Maximum
Flow
30500
psi
(207
bar)
25500
psi
(172 bar)
Length
48"
(1219 mm)
Width
Height
48"
(1219 mm)
30"
(762 mm)
25'
(635
mm)
25"
1635
mml
30"
(762 mm)
I
1-
Maximum
Inlet
Water Temperature
1
160' F
(70'
C)
I
160'
F
(70'
C)
.-"
~
I
Wend
Parts
I
I
I
BypassHose
High Pressure
Hose
I
Svnthetic yam and EPDM
Acrylonitrile and Buna-N cover and
tube
~.
Pressure Washer (including fittings)
Anodized aluminum, Aluminum or
bronze
aiioys, Brass Copper,
Nylon-TeflonQ
composite. Ceramic, Buna-N. Colton phenolic,
303,304,
and 316 Stainless
steel.
Polymide-12 thermoplastic. TeflonQ, Carbon
steel.
Zinc with or without
yellow chromate plate
TeflonQ
is a registered trademark
of
the
DuPont
Company.
308-528
19