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Rev. c
ORACO SUPERSEDES 8
This manual mniains IMPCIRTYNT
WARNINGS and INSTRUCTIONS
FIEAD AND RETAIN FOR REFERENCE
MODEL 800-100 SERIES "A"
2150 psi (150 bad OPERATING PRESSURE
2250 psi 1155 bar1 MAXIMUM WORKING PRESSURE
GRACQ INC. P.Q. Box 1441 MINNEAPOLIS. MN 55440-1444
@COPYRIGHT 1981 GRACO INC.
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Read and Linderstand all ii;sir!.lcticn rcanui:/s before operating equipment. 1 N j E CT 1 3 N {+ fi 2 A 3 9 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Do not spray flammable liquids. Do not operate the Fluids under high pressure from spray or leaks can engine where combustible fumes or dust may be penetrate the skin and cause extremely serious injury, present. including the need for amputation. NEVER point the spray gun at anyone or any part of the GAS ENGIME FRECAUilONSS%
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Refer to the engine instruction booklet provided with water sandblaster. See Accessories and instruction the unit. manual 801-190 for installation and operation. Install Wheels and Handle Connect To Water Supply Slide the axle into the frame. Slide the wheels onto the axle and secure with the 1/2 inch locknuts provided. CAUTON Before attaching to water supply, check local Attach the handle with the 4 screws, nuts, flat washers plumbing code regarding cross-co
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Startup r CAUJION Before startino. be sure to read the safetv warninos and Shut off cleaning unit when not actually spraying, I setup instruct7ons. for longer pump life. The pump will overheat if left running for over 10 minutes without spraying. Check the oil and gasoline levels daily Check the filter screen in the water inlet connection as often as necessary, at least daily. Do not operate the Turn on the water supply. unit with the inlet and filter scr
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IOUBLESHOOTING PROBLEM CAUSE SOLUTION Engine Will Not Start No gasoline in fuel tank or Fill the tank with gasoline, open fuel shut-off 3r Hard To Start. carburetor. valve. Check fuel line and carburetor. Water in gasoline or old fuel. Drain fuel tank and carburetor. Use new fuel and dry spark plug. Choked improperly. Flooded Open choke and crank engine several times to engine. clear out the gas. Dirty carburetor air filter Remove and clean. Spark plug dirty or imp
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PROBLEM CAUSE SOLUTION Replace plungers. Frequent or premature failur Scored plungers. of the packing. Over pressure to inlet manifold. Reduce inlet pressure Damaged or worn plungers. Replace plungers. Abrasive material in the fluid be Install proper filtration on pump inlet plumbing. ing pumped. Excessive pressure and/or :heck pressures and fluid inlet temperature; be temperature of fluid being jure they are within specified range. pumped. Over pressure of pumps. 3ed
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Plungers Photo 4. 1) Using an M11 wrench, remove the plunger retainer. 2) Slide out the seal retainer with oil wick and rubber barrier slinger. 31 With a slight twisting motion, loosen the plunger from the plunger rod and remove NOTE: The stud may remain with the retainer when removed. Disassemble and screw stud into plunger rod finger- tight. 41 Replace O-ring and back up ring on plunger retainer. 51 Saturate new oil wick by soak- ing in oil. 6)
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SERVICE TOOLS KEY WRENCH 801-M4 EXTRACTOR TOOL 801-205 PARTS LIST REF PART DESCRIPTION QN REF PART DESCRIPTION ON NO NO. NO. NO. 1 801"x) 1 43 801-050 . O-RING 2 3 801-003 2 44 800-012 . UNLOAOER 1 4 801 -004 1 45 801.143 . TAG 1 f. 5 801 -005 1 52 . GASKET 1 6 801.008 1 53 801-060 . HOUSING 1 7 801-012 3 54 801-061 . CYLINDER 1 8 801-013 1 55 801 -062 . GASKET 1 9 800-015 2 56 801-063 . PLUG 2 10 801-235 2 61 801-068 . HOUSING, valve 1 11 801-128
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19 28 f3 14 L19 5 15 A REF PART DESCRIPTION QTY Repair Kit 801-083 NO. NO. Includes items A, 6, C. D, E and F 1 801-007 SPRAY HOSE, 3/8" ID, 50 ft. (15 ml lg 1 2 800-017 SPRAY GUN, (replaceable parts SERVICE 1 3 801-244 . HANDLE, left 1 1. Remove the 8 screws from the body halves (3) and 801-245 . HANDLE, right 1 4 (4). See the Parts Drawing. Separate the body 801-249 . SPRING 1 5 801-254 . LEVER 1 halves. 6 801-256 . NEEDLE 1 7 1 2. Remove the plug (141. spri
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CHECK VALVE 801-133 800-102 For injecting harsh cleaning chemicals downstream Prevent back up of contaminated water into fresh from pump. supply. Install upstream from pump. WATER SANDBLASTER 8W-103 For abrasive cleaning of stubborn dirt and paint TECHNICAL DATA ENGINE: HONDA MODEL G4000B6 4 cycle. single cylinder, air cooled, 10 hp. GASOLINE TANK: 1.58 gallon 16 liter1 capacity WATER PUMP: 2150 PSI'1150 bar1 max. pressure: 4 GPM 115 iiter/minl. WETTED PARTS: Stainiess Steel, A
