Graco Inc. Hydra-Clean 800-654 - Manual (Page 23)

23 308-537
Servicing the V–Packings
NOTE: There are two types of packing kits: one is just
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 INJECTOR KIT
800–117 & 800–649 (2340)
For injecting harsh cleaning chemicals downstream
from the pump. 800–649 is all stainless steel wetted
parts.
UPSTREAM CHEMICAL INJECTOR KIT
800–257
For injecting mild cleaning chemicals upstream into the
pump.
CHASSIS & WHEELS ASSEMBLY
800–719 (1026 & 1530)
Complete chassis with semi–pneumatic wheels for
portability.
BACKFLOW PREVENTOR 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 REGULATOR 800–258
Regulates inlet water pressure to 60 psi (4 bar)
maximum.
TECHNICAL DATA
Model 800–682 Model 800–717 Model 800–654
Engine (air–cooled, 4 cycle) 3 hp Briggs & Stratton I/C 4 hp Honda OHV 8 hp Honda OHV
Gasoline Tank Capacity 2 quarts (1.9 liter) 2.6 quarts (2.5 liter) 6.2 quarts (6 liter)
Water Pump Maximum
Working Pressure
1000 psi (69 bar) 1500 psi (103 bar) 2300 psi (159 bar)
Water Pump Maximum Flow 2.6 gpm (10 lpm) 3.0 gpm (11 lpm) 4 gpm (15 lpm)
Inlet Hose Connection 3/4” garden hose (f) 3/4” garden hose (f) 3/4” garden hose (f)
Weight 50 lb (23 kg) 50 lb (23 kg) 158 lb (70 kg)
Dimensions
Length
Width
Height 19” (483 mm)
14” (356 mm)
22” (559 mm) 19” (483 mm)
14” (356 mm)
22” (559 mm) 36” (914 mm)
21” (533 mm)
22.5” (572 mm)
Maximum Inlet Water
Temperature
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
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PTFE