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308–529
19
Servicing the V–Packings
NOTE:
There are two types of packing kits: one is
packings only , the other includes the
packings,
rings and retainers.
1. Remove the manifold as outlined in the Pumping
Section.
2. Carefully pull the packing retainer from the
manifold. Examine the o–ring and replace it if it is
cut
or damaged.
3. Remove
the v–packing and head ring. Pull out
the
intermediate retainer ring. Remove the second
v–packing
and second head ring.
4.
Inspect all parts and replace as necessary
.
5. Thoroughly
clean
the packing cavities and examine
for
debris and damage.
6. Lightly grease the packing cavities and then
replace the packings in the following order: head
ring, v–packing, intermediate ring, head ring,
v–packing and packing retainer with the o–ring
installed
in the retainer groove.
CAUTION
Install
the parts in the proper order and facing the
correct direction. Improperly installed parts will
cause
a malfunction.
7. Reassemble the manifold as instructed in
Servicing
the Plungers.
ACCESSORIES
(Must be purchased separately)
DOWNSTREAM CHEMICAL INJECT
OR KIT
800–117
For injecting harsh cleaning chemicals downstream
from
the pump.
UPSTREAM CHEMICAL INJECTOR KIT
800–257
For
injecting mild cleaning chemicals upstream into the
pump.
BACKFLOW
PREVENT
OR 801–133
Prevent back–up of contaminated water into fresh
supply.
Install upstream of pump.
ANTI–FREEZE FLUSH KIT 802–327
For
flushing system with 50% anti–freeze solution prior
to transporting or storing pressure washer in below
freezing
temperatures.
INLET
PRESSURE REGULA
TOR 800–258
Regulates inlet water pressure to 60 psi (4 bar)
maximum.
TECHNICAL DATA
Model
800–638
Model 800–690 Model 800–639
Engine (air–cooled, 4 cycle)
9 hp Honda OHV
9 hp Briggs & Stratton OHV
1
1 hp Honda OHV
Gasoline T
ank Capacity
6.2 quarts (6 liters) 5 quarts (4.8 liters)
6.9 quarts (6.5 liters)
W
ater Pump Maximum W
orking
Pressure
2500 psi (172 bar) 2500 psi (172 bar) 3000 psi (207 bar)
W
ater Pump Maximum Flow
4 gpm (15 lpm) 4 gpm (15 lpm) 4 gpm (15 lpm)
Inlet Hose Connection
3/4” garden hose (f) 3/4” garden hose (f) 3/4” garden hose (f)
Weight
158 lb (70 kg) 158 lb (70 kg) 172 lb (78 kg)
Dimensions
Length
Width
Height
36” (914 mm)
21” (533 mm)
23.5” (597 mm)
36” (914 mm)
21” (533 mm)
23” (584 mm)
36” (914 mm)
21” (533 mm)
24” (610 mm)
Maximum Inlet W
ater T
emperature 160_ F
(70
_ C) 160_ F
(70
_ C) 160_ F
(70
_ C)
Wetted Parts
High Pressure Hose
Bypass Hose
Pressure Washer
(including fittings)
Acrylonitrile and Buna–N cover and tube
Synthetic yarn and EPDM
Anodized aluminum, Aluminum or bronze alloys, Brass Copper
, Nylon–
r
composite, Ceramic, Buna–N, Cotton phenolic, 303, 304, and 316 Stainless steel,
Polymide–12 thermoplastic,
r
, Carbon steel, Zinc with or without yellow
chromate plate
is a registered trademark of the DuPont Company
.
PTFE
PTFE
PTFE
PTFE
PTFE
PTFE
PTFE
PTFE
PTFE