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WRAPAROUND FRONT STRAIGHT (Stainless Steel)
4W3 VALVE AIR CONTROL INITIAL TUNNEL CONTROL PROGRAMMING
1. Each Wrap Arm requires 3 tunnel controller outputs
2. Brush needs to be spinning when testing and adjusting
3. Bush need to be fully saturated
4. Output 1 (Retract / Extend Brush Arm)
Full Car – Activate the output so the wrap brush is in the centerline extended position before vehicle
engages wrap brush. (Should take 6-7 seconds for wrap to move from retract to centerline)
Extend – Keep output activated long enough to ensure full rear coverage on the vehicle.
Look Ahead – Look ahead 20 feet for the next vehicle.
5. Output 2 (Mirror Bump / Retract)
Front Tire – Activate the output at the rear of the front tire before wrap brush reaches the mirror.
Extend – Keep the output activated 36 inches to release pressure against the side mirror.
6. Output 1 (Extend Brush Arm)
Full Car – Output 1 should be active again, after the 36 inches extend for the mirror bump. The wrap
brush should return to the vehicles surface.
7. Output 3 (Rear Shoot)
Rear Bumper – Activate the output 12 inches before the vehicle rear reaches the wrap brush.
Extend – Keep output activated long enough to ensure full rear coverage on the vehicle.
Observe several different vehicles pass through the Wraps and make small adjustments to the above settings to
the Tunnel Controller parameters.
Adjust the Air Pressure on the regulators as follows:
WRAP RETRACT: Start at 60 psi. Adjusted so the wrap brush retracts slowly and smoothly and does not slam on
the stops.
WRAP SHOOT (Move-In): 5-10psi
Important: Before making any air pressure adjustments to the regulators on the control board, you must adjust
the Wraps according to the specifications in the Installation & Operations Manual for the Wraps. The Wraps must
be properly adjusted before using this control system.
PECO Corporation – 244 Rex Boulevard – Auburn Hills – Michigan – 48326 – USA – 1-248-299-5800
07/14/23
S:\Engineering Doc's\Manuals & Packing Lists Combined\WRAP WASHERS\997206 WA721FSs_V2.doc
www.PECOCARWASH.com
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