INSTRUCTIONS-PARTS LIST e ORACO 307-308 Rev. "6" 9-78 SUPERSEDES 1-78 This manual contains IMPORTANT W A R N I N G S and INSTRUCTIONS READ AND RETAIN FOR REFERENCE HYDRA-CLEAN"1007 MODEL 226-813 SERIES "A" Includes Hose and Gun Kit and Chemical Injector Kit for injecting cleaning chemicals downstream from pump. l d w PSI I70 barl OPERATING PRESSURE 1260 PSI (83barl MAXIMUM WORKING PRESSURE Supplement information referred to on CAUTION tag has been included in this manual. GRACO INC. P.O.
W ARNlNG HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY READ THESE WARNINGS BEFORE USING KEEP A W A Y FROM SPRAY GAS ENGINE PRECAUTIONS Because of the high pressure and velocity of thespray, fluids could penetrate the skin, causing serious injury. Operate equipment only after all instructions are clearly understood. NEVER fillfueltankwhileengine is running or hot. Avoidthepossibility of spilledfuelcausinga fire. Always refuel slowly t o avoid spillage. NEVER point the gun at yourself or anyone else.
SETTING UP UNIT -A NOTE: Reference numbers and letters in parentheses in the text refer to Figures 1,3, 4 and the Parts Drawing. than 50 ft. (15 m) long. A 25 ft. (7 m) garden hose (1071 is supplied with unit. NOTE: Refer to the engine instruction booklet provided with the unit. Prepare The Cleaning Solution Prepare and use cleaning solution according manufacturer's instructions. For direct a supply system, your water source must have a flow rate of ATLEAST 7.5 GPM I28 LITER/MN).
~ OPERATION Startup Before starting, besure to read the safety warnings and setup instructions. Check oil and gasoline levels daily and grease the pump if necessary. Turn on the water supply. Hydra-Clean Operation Hold thespray nozzle about 2 feet 10.6 ml from thesurface and completely mist-wet the object with cleaning solution. Let it soak briefly, then use the spray rinse to "chisel" the dirt off. Keep the nozzle at an angle to the surface, and about6 in. 1150 mm) away.
Lubrication Change the engine oil after every 50 hours of operation. Grease the pump's front bearing and main bearing after every EO hours of operation. Removeexcessgrease from the front bearing cavity. Replace the pump front cover before starting the engine. Lubricate the gear reduction unit regularly: change the oil every 500 hours, but sooner if oil becomes dirty; The engine manufacturer recommends using "For Service SD or S E ' S.A.E.30 oil for spring,summer, orfall operation, and S.A.E.
Plugged or constricted suction piping (suction valve not fully open); Collapsed suction hose. Examine the water in the barrel or tank for air bubbles whilethepumpis discharging. Ifno bubbles are seen and the discharge has actually decreased, look for plug-ups, worn valve seats, or collapsed suction hose. If bubbles are seen, look for air leaks in the suction piping or forair leaking past the piston cups. These leaks are hard to find because they are leaking "in" rather than "out".
Valve Replacement .. Mount the valve disc (61 on the spring (7). See Fig 3. Then mount the spring in the cage recess (8). Slip thls assembly into thehead cavities behindthe valve seat (5) and O-rings (4). Put the valve caps 115) over these and install bolts (161. Make sure that the O-rings (2 & 3)have been insertedin the proper places accordingto thediagram. It is Wise to grease the headO-rings to prevent them from fallingOut during assembly.
Unloader Remove the locknut (67). adjusting nut ( 6 8 ) and spring washers (71). d. The unit should "unload" at 1050 t o 1150 psi (7279 bar) water pressure.Close the spray valve and note pressure. Continueadjusting the nut,closing the spray valve, and checking pressure until required pressure is obtained. Tighten the locknut. Check the unloading pressure a couple more times by triggering the gun and noting pressure. e.
MODEL 226-813 SERIES "A" WITH HOSE, GUN AND NOZZLE Includes items 1-102 8 307-308
PARTS LIST REF PART NO. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 , 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 an DESCRIPTION *104-868 PUMP ASSY Includes items 2-36 . PACKING, O-ring ff . PACKING,O-ring x* . PACKING,O-ring *I . SEAT,valve f. . DISC,valve;ceramic ** . SPRING, valve; tapered compression ** . CAGE, valve ** . PACKING,O-ring ** . PISTON, phenolic ** . CUP, piston ** . PACKING,O-ring . BOLT,piston 105-304 .
~ ACCESSORIES (Must be purchased separately) STAINLESS STEEL TIPS SPRAY HOSES Additional hoses may be used up to a maximum overall length of 150 f t 146 m) overall length. Purchase part no, 207-152 swivel union to connect hoses. Fan Width Part No. 160-968 Thd Length Part No. Size 160-956' Imbel 19.5 mml 1/2 in. 113 mml 3/8 npt Imbel 0.109 1520 0.109 160-962 2520 3/8 npt 205-EO9 Number Orifice Angle at tip on size L 4020 40 psi 13barl in. 12.77 mml in. 12.77 mml 0.109 in. 12.