Mi-T-M Surface Cleaner Operation Instructions
Mi-T-M Surface Cleaner
Below you will find brief product information for Mi-T-M Surface Cleaner. This device is a professional-grade surface cleaner designed for use with pressure washers. It features a 20-inch cleaning path and can operate at pressures up to 4,000 PSI and flow rates up to 4.0 GPM. The surface cleaner comes with two 25-degree nozzles and has a maximum operating temperature of 180°F. It is ideal for cleaning large surfaces such as patios, driveways, and sidewalks. The surface cleaner is also equipped with a swivel assembly that allows for easy maneuverability.
Here are some of the key features and benefits of the Mi-T-M Surface Cleaner:
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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
Model
SPECIFICATIONS
AW-7020-8004
Operating Pressure 1,000 to 4,000 PSI
Maximum Flow 4.0 GPM
Maximum Temp.
180°F
Nozzles (2 per unit)
Weight
Dimensions
25020
18 lbs
70” x 22” x 22”
WARNING
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
HAZARD
RISK OF
BODILY INJURY
RISK OF EQUIPMENT
DAMAGE
POTENTIAL CONSEQUENCE
Risk of major repair.
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.
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 #37-1183-070918
SET UP PROCEDURES
1
4
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.
Next, tighten the swivel end of the hose with a wrench into the top of the rotary head until snug.
2
5
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.
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.
2
3
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).
Leaves striping:
• Ensure nozzles aren’t damaged or plugged.
• Ensure rotary arms are straight.
• Ensure nozzle groove is in alignment with arm.
6
5
PARTS LIST
4
14
7
9
Ref. # Description
8
9
6
7
3
4
5
1
2
Collar
Rotary Head*
Mounting Blocks
Hose, 62” x 3/8”
Spray Gun
Handle, Upper
Handle, Lower
Hand Grip
AW-7020-8004
Part # Qty.
Ref. # Description
33-0534 1
33-0535 1
10
11
Brush Skirt
Cover
56-0072 2
15-0326 1
16-0465 1
Q/C Plug, 3/8” MNPT 17-0074 1
7-0235
7-0236
7-0237
1
1
1
WHIRL-A-WAY ROTARY HEAD BREAKDOWN
Hose connection inlet
Part # Qty.
33-0536 1
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
15 Caster
16 Caster Bracket
* Head Rebuild Kit
14-0135
13-0228
70-0598
4
4
1
10
14
8
1
2
3
14
11
12
13
Stainless steel spring
Viton O-Ring (25-0677)
Stainless steel sleeve
Stainless steel inlet valve with Carbide seat (22-0488 includes oring)
Viton O-Ring (25-0678)
Viton O-Ring (25-0679)
Stainless steel bearings
Aluminum housing
Stainless steel rotating shaft
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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