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INSTRUCTIONS-PARTS LIST e 307-308
Rev. "6" 9-78
ORACO SUPERSEDES 1-78
This manual contains IMPORTANT
WARNINGS 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.
ldw PSI I70 barl OPERATING PRESSURE
1260 PSI (83 barl MAXIMUM WORKING PRESSURE
Supplement information referred to
on CAUTION tag has been included
in this manual.
G
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WA RNlNG HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY READ THESE WARNINGS BEFORE USING GAS ENGINE PRECAUTIONS KEEP AWAY FROM SPRAY NEVER fill fuel tank while engine is running or hot. Because of the high pressure and velocity of the spray, Avoid the possibility of spilled fuel causing a fire. fluids could penetrate the skin, causing serious injury. Always refuel slowly to avoid spillage. Operate equipment only after all instructions are clearly unders
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SETTING UP UNIT -A than 50 ft. (15 m) long. A 25 ft. (7 m) garden hose (1071 NOTE: Reference numbers and letters in paren- theses in the text refer to Figures 1, 3, 4 is supplied with unit. and the Parts Drawing. NOTE: For a direct supply system, your water Refer to the engine instruction booklet provided with source must have a flow rate of ATLEAST the unit. 7.5 GPM I28 LITER/MN). If it is less, we recommend using a siphon hose from a sup- Prepare The Cleaning
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~ OPERATION Startup Hydra-Clean Operation Before starting, be sure to read the safety warnings and Hold the spray nozzle about 2 feet 10.6 ml from the sur- setup instructions. face and completely mist-wet the object with cleaning solution. Let it soak briefly, then use the spray rinse to Check oil and gasoline levels daily and grease the pump "chisel" the dirt off. Keep the nozzle at an angle to the if necessary. surface, and about 6 in. 1150 mm) away. If som
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Lubrication unit and add oil if necessary to maintain proper level. 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. Remove excess grease NOTE: Vented filler plug should be removed periodically and vent hole thoroughly from the front bearing cavity. Replace the pump front cleaned. Ventilation is necessary to eliminate cover before starting the engine. pressure bui
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- Plugged or constricted Examine the water in the barrel or tank for air suction piping (suction valve bubbles while the pump is discharging. If no not fully open); bubbles are seen and the discharge has actually decreased, look for plug-ups, worn valve seats, or Collapsed suction hose. collapsed suction hose. If bubbles are seen, look for air leaks in the suction piping or for air leaking past the piston cups. These leaks are hard to find because they are leaki
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Valve Replacement .. Make sure that the O-rings (2 & 3)have been inserted in Mount the valve disc (61 on the spring (7). See Fig 3. the proper places according to the diagram. It is Wise to Then mount the spring in the cage recess (8). Slip thls grease the head O-rings to prevent them from falling Out assembly into the head cavities behind the valve seat (5) during assembly. and O-rings (4). Put the valve caps 115) over these and install bolts (161. Bolting
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Unloader d. The unit should "unload" at 1050 to 1150 psi (72- Remove the locknut (67). adjusting nut (68) and spring bar) water pressure. Close the spray valve and 79 washers (71). note pressure. Continue adjusting the nut, closing the spray valve, and checking pressure until required Remove bolts (511 and separate the upper and lower pressure is obtained. Tighten the locknut. Check the casings (48 and 49). All other parts can then be freely unloading pressure
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MODEL 226-813 SERIES "A" WITH HOSE, GUN AND NOZZLE Includes items 1-102 8 307-308
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PARTS LIST REF PART DESCRIPTION an REF PART DESCRIPTION aN NO. NO. NO. NO., 1 *104-868 PUMP ASSY 56 . SPRING, compression 1 Includes items 2-36 1 57 . RETAINER, valve spring 1 *X 2 . PACKING, O-ring 4 58 . SEAT, valve 1 ff 3 . PACKING, O-ring 2 59 . PACKING, O-ring 1 x* 4 . PACKING, O-ring 4 60 . BALL, check valve 1 *I 5 . SEAT, valve 4 61 . SPRING, compression 1 f. 6 . DISC, valve; ceramic 4 62 . CYLINDER 1 ** 7 . SPRING, valve; tapered 63 .
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~ ACCESSORIES (Must be purchased separately) STAINLESS STEEL TIPS SPRAY HOSES Fan Width Additional hoses may be used up to a maximum Number Orifice Angle at overall length of 150 ft 146 m) overall length. Purchase Part No. on tip size 40 psi 13barl part no, 207-152 swivel union to connect hoses. 160-968 in. 15" 12.77 mml Part No. Size in. 25" 12.77 mml 3/8 npt 4020 0.109 in. 40" Imbel 160-956' 19.5 mml 12.77 mm) 205-EO9 1/2 in. 3/8 npt L Imbel 113 mml "Tip
