Air King K52 Service manual

July, 2016
1
701 Frontier Way,
Bensenville, IL 60106
Phone: [phone]
Fax : [phone] Website: AIR-KING.COM
SERVICE & INSTALLATION FOR
K52 & K552
VACUUM UNIT, AIR / VACUUM UNITS
UNITS 1200 SERIES .

July, 2016
2
TABLE OF CONTENTS
1. Safety Instructions Page 3
2. Introduction Page 4
3. Service & Warranty Page 5
4. General Specifications Page 6
5. Electrical Requirements Page 7
6. Mounting Instructions Page 8
7. Operating Instructions Page 9
8. Basic Maintenance Page 10
9. Replacement of Parts Page 11-12
10. Trouble Shooting Page 13-14
11. Parts Identification Page 15-18
12. Vacuum Timers Page
13. Wiring Diagrams Page

July, 2016
3
IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE OPERATING
WARNING: TO REDUCE THE RISK OF FIRE, ELECTRICAL SHOCK OR INJURY:
1. Do not use the vacuum on wet surfaces.
2. Use the vacuum only as described in the manual
3. Only the recommended Manufactures attachments should be
used on the vacuum.
4. Do not handle the vacuum with wet hands
5. Do not put any objects into the openings of the vacuum.
6. Do not vacuum up anything that is burning such as: cigars,
cigarettes, matches, or hot ashes.
7. Do not vacuum up flammable or combustible liquids, such as
gasoline. This will trigger an explosion.
8. Do not use the vacuum in areas where flammable liquids may
be present.
WARNING: VACUUMS EQUIPPED WITH AIR COMPRESSORS (K552-750) OR
VACUUMS EQUIPPED WITH REMOTE AIR SOLENOIDS (K52-9)
1. Over inflation of tires may be dangerous. Please consult your
vehicle owner’s manual for proper tire inflation.
DANGERS:
This vacuum contains equipment that tends to produce arcs and sparks,
which can cause an explosion. This vacuum must be located 18 inches
above grade and at least 25 feet from a fuel dispenser.
The vacuum operates on 120-volt AC single phase, three wires
electrical power. This vacuum must be connected to a grounded metal
permanent wiring system, or an equipment grounding conductor must be
run with the circuit conductors and connected to the equipment grounding
terminal, or lead on the unit.
ALL SERVICING OTHER THAN BASIC MAINTENANCE SHOULD BE PERFORMED BY
QUALIFIED SERVICE PEOPLE.
SAVE THESE SAFETY INSTRUCTIONS

July, 2016
4
INSTRUCTION
The American Products / Air King Vacuum is manufactured in a variety of configurations to
meet diverse customer needs. This manual has been prepared to aid service personal in
installing, diagnosing and repairing American Products Inc. equipment.
In general they come in one type of cabinet styles and three different models.
1. K52 Standard 2 Motor Vacuum 1200 series cabinet. (vacuum only)
.
2. K552- Two Motor Vacuum with ¾ H.P. Compressor 1200 series Cabinet.
(Air Vacuum)
3. K52-9 Standard 2 Motor with Remote Air Solenoid 1200 series Cabinet
(Air Vacuum Remote)
The Cabinets for the models listed above are made out of 16 gauge stainless steel.
Each of the basic models comes with a variety of optional features.
1. Models can be set up for free operation or coin operation.
2. Cut resistant hose (Air Vacuum & Air Vacuum Remote units only)
3. Single hose reel assemblies (Air Vacuum & Air Vacuum Remote units only)
4. JB 7 Lock Box for coin box security.
UNIT IDENTIFICATION
The model number and serial number appear on a metal tag, bearing the American
Products Inc. name (See Figure1 below). The identification tag is found inside the upper
compartment.
Figure 1.
Technical Support:
Our technical support staff is available at 1-800-542-3336 during normal business hours to
answer any questions regarding machine operation, components or spare parts. When
calling for technical support it is extremely helpful to have the serial # and machine model #
readily available.
Air King of America, Inc.
710 Frontier Way,
Bensenville, IL 60106
Model #
Serial #
K552-AV-P
1111111

July, 2016
5
SERVICE AND WARRANTY
WARRANTY STARTS FROM DATE OF INVOICING
1) Air Compressors are warranted for defects in materials and workmanship for 18
months.
2) Multi Coin timers part # 1512 & 1515 are warranted for defects in materials and
workmanship for one year.
3) Hoses and air gauge’s are warranted for thirty days from Manufacturer defects
4) All other parts of the unit are warranted for ninety days.
5) Warranty covers parts and materials only, warranty does not include labor or
transportation costs of any kind.
6) If unit or parts are returned to the factory at the customers expense, there will
be no charge for labor.
7) Vandalism or misuse of equipment, or tampering is not covered under warranty.
8) No returns will be accepted without a prior R.G.A. (RETURNED GOODS
AUTHORIZATION).
For Service Call or Write:
Air King of America, Inc.
701 Frontier Way
Bensenville, IL 60106
Phone# [phone]
Fax # [phone]