Mi-T-M AW-7020-8004 Quick Start Manual
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Professional 20 Inch Rotary Surface Cleaner AW-7020-8004 Mi-T-M Corporation 8650 Enterprise Drive Peosta, IA 52068 Ph: 800-553-9053 - Fax: 563-556-1235 SPECIFICATIONS Model AW-7020-8004 Operating Pressure 1,000 to 4,000 PSI Maximum Flow 4.0 GPM Maximum Temp. 180°F Nozzles (2 per unit) 2502 Weight 18 lbs Dimensions HAZARD RISK OF BODILY INJURY 70” x 22” x 22” Warning: This product contains lead, a chemical known to the State of California to cause birth defects or other reproductive harm. Wash your hands after handling this product. POTENTIAL CONSEQUENCE Serious injury or death could occur. PREVENTION ALWAYS read, understand, and follow operation instructions. ALWAYS wear protective eye wear. ALWAYS keep clear of rotating nozzles. NEVER lock trigger gun open with any device. RISK OF EQUIPMENT DAMAGE Risk of major repair. Drain water in cold weather to avoid freezing. Use only genuine Mi-T-M replacement parts for necessary repairs. Tampering with any part of this machine will void all warranties. OPERATION: Read, understand, and follow ALL safety guidelines and operation instructions prior to use. 1. Connect to pressure washer. 2. Turn water on and open valve. Open trigger gun for flow of water through nozzles. Nozzles must have flowing spray. If not, remove tips and clean; reassemble, making sure that groove of nozzle is parallel to spray bar. Use Teflon tape when installing nozzles. 3. Start pressure washer. The Rotary Surface Cleaner is ready for operation. 4. Walk slowly behind the Rotary Surface Cleaner cleaning as you go. If striping occurs, slow down your pace. 5. Check “weep holes” on bottom of swivel periodically. Water will seep slowly; if water shoots out, stop and replace seals. Swivel assembly can be rebuilt. 6. For maximum effectiveness keep spray tips clean. If the machine vibrates, stop and clean spray tips. DO NOT ALLOW MACHINE TO REMAIN STATIONARY ON SOFT SURFACES, SUCH AS WOOD. CAUTION: Striking any raised obstacle during operation will damage machine. If contact does occur and results in vibration when operating machine, STOP and replace spray bar. Continued operation could result in serious injury or damage to machine. !SAVE THESE INSTRUCTIONS! Form #37-1183-122711 Set up procedures 1 We recommend that you first fit the lower portion of the handle into the mounting brackets on the cover and secure with the bolts or the pins & clips. 4 2 5 Next, tighten the swivel end of the hose with a wrench into the top of the rotary head until snug. Next, tighten the “fixed” hose end into the gun mounted onto the upper portion of the handle. Use teflon tape on the hose ends and tighten with a wrench until snug. Do not overtighten. 3 Turn the cover over and check to ensure that the nozzle tips are securely tightened and the spray pattern is in line with the rotary arm. 6 Once this is complete, join the two sections of the handle together and secure with the bolt or the pin & clip. The factory presets the height of your rotary head from the ground based on peak performance. If you choose to lower or raise the height of the head, loosen the tension bolt in the collar. ** Note that lowering the head too far may result in the rotary arm hitting the surface and damaging it. trouble shooting 1 Rotary Arm doesn’t spin: • Remove, inspect and clean nozzles. Replace if damaged • Ensure there is no water leaking excessively from the weep holes on the rotary head (water will normally seep out of these holes). 2 Leaves striping: • Ensure nozzles aren’t damaged or plugged. • Ensure rotary arms are straight. • Ensure nozzle groove is in alignment with arm. AW-7020-8004 parts list Ref. # Description 9 6 1 5 7 4 13 14 12 8 2 14 10 1 3 14 11 Part # Qty. Collar 33-0534 1 2 Rotary Head* 33-0535 1 3 Mounting Blocks 56-0072 2 4 Hose, 62” x 3/8” 15-0326 1 5 Spray Gun 16-0465 1 6 Q/C Plug, 3/8” MNPT 17-0074 1 7 Handle, Upper 7-0235 1 8 Handle, Lower 7-0236 1 9 Hand Grip 7-0237 1 10 Brush Skirt 33-0536 1 11 Cover 33-0537 1 12 Rotary Arm 33-0538 1 13 Nozzle, 25 Deg. 020 18-0298 2 14 Pin and Ring Set 43-0140 1 * Head Rebuild Kit 70-0598 1 Warranty The rotary head has a six-month warranty from the date of purchase. Should you encounter problems with the rotary head within that time period, simply return the defective part for warranty to the place of purchase. There is no warranty on the nylon brush ring. All other components of the surface cleaning system have a 90-day warranty against manufacturer’s defects only. ">

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