Graco Inc 308-505, 2040 Accessories, Technical Data, Servicing the V-Packings, Backflow Preventor

Servicing the V–Packings

NOTE: There are two types of packing kits: one is just packings, 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.

ACCESSORIES

(Must be purchased separately)

DOWNSTREAM CHEMICAL INJECTOR KIT (1535) 800–139

DOWNSTREAM CHEMICAL INJECTOR KIT (2040) 800–111

For injecting harsh cleaning chemicals downstream from the pump.

UPSTREAM CHEMICAL INJECTOR KIT 800–257

For injecting mild cleaning chemicals upstream into the pump.

5.Thoroughly clean the packing cavities and examine.

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

Be very sure the parts are installed in the proper order and facing the correct direction. See Pump assembly on pages 18 and 20. Improperly installed parts will cause a malfunction.

7.Reassemble the manifold as instructed in Servicing the Plungers.

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 800–165	Model 800–367	Model 800–164	Model 800–290
Engine	5 hp Honda OHV	5 hp Briggs &	8 hp Briggs &	8 hp Honda OHV
(air–cooled, 4 cycle)		Stratton I/C	Stratton I/C
Gasoline Tank Capacity	3.8 quarts (3.6 liter)	3 quarts (2.8 liter)	6 quarts (5.7 liter)	6.2 quarts (6 liter)
Water Pump Maximum	1500 psi (103 bar)	1500 psi (103 bar)	2000 psi (138 bar)	2000 psi (138 bar)
Working Pressure
Water Pump Maximum Flow	3.5 gpm (13 lpm)	3.5 gpm (13 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)	3/4” garden hose (f)
Weight	105 lb (48 kg)	105 lb (48 kg)	152 lb (68 kg)	158 lb (70 kg)
Dimensions	37” (940 mm)	37” (940 mm)	36” (914 mm)	36” (914 mm)
Length
Width	19” (483 mm)	19” (483 mm)	21” (533 mm)	21” (533 mm)
Height	20” (508 mm)	20” (508 mm)	22.5” (572 mm)	22.5” (572 mm)
Maximum Inlet Water	160_￿ F (70_￿ C)	160_￿ F (70_￿ C)	160_￿ F (70_￿ C)	160_￿ F (70_￿ C)
Temperature
Wetted Parts	Acrylonitrile and Buna–N cover and tube
High Pressure Hose
Bypass Hose	Synthetic yarn and EPDM
Pressure Washer	Anodized aluminum, Aluminum or bronze alloys, Brass Copper, Nylon–rPTFEcomposite,
(including fittings)	Ceramic, Buna–N, Cotton phenolic, 303, 304, and 316 Stainless steel, Polymide–12
	thermoplastic,PTFEr, Carbon steel, Zinc with or without yellow chromate plate
	PTFE is a registered trademark of the DuPont Company.