Nikro HP20GAS User manual

INSTRUCTION MANUAL
MODEL # HP20GAS
PORTABLE GAS POWERED
VACUUM

DIMENSIONS AND SPECIFICATIONS
Overall Weight: 370 lbs.
Engine
20 HP Kohler Command Series
V-Twin OHV Gas Engine
12 VDC Electric Start
Oil Sentry Safety Switch
QUALITY DESIGN FEATURES
10” Diameter Inlet with Optional 10”
x 8”
Transition
Inlet/Discharge Safety Guards
Exhaust Safety Shield
Remote Mounted Oil Filter
Oil Drain Extension with Quick
Change Valve
Removable Two Position Padded
Handle
High Impact Battery Box
Pneumatic Wheels
(2) Stationary, (2) Swivel with locks
High Efficiency Zippered Filter Bags
or optional disposable filter bags
Integral Vibration Free Base
Dynamically Balanced Material
Handling Wheel
Exclusive 2 Year Warranty

TABLE OF CONTENTS
SECTION DESCRIPTION
1SAFETY
2SPECIFICATIONS
3PRE-START CHECKLIST
4STARTING PROCEDURES
5SHUT DOWN PROCEDURES
6PARTS LIST / MAINTENANCE
7TROUBLESHOOTING

SECTION 1: SAFETY
1-1 GENERAL
Safety is proudly built into every product manufactured and sold by Nikro Industries Inc.
Carelessness and or negligence are the usual causes for personnel injury and equipment failure.
Safety is very important to everyone so we insist that all operators read and understand this
manual.
1) Equipment is to be operated by trained qualified personnel only.
2) Always read and follow the operating and safety procedures.
3) Do not operate without all guards and safety equipment installed in the proper location
and in working order.
4) Do not disable any safety features. They are there for you protection.
5) Always us qualified personnel when repairing or maintaining the equipment.
6) This equipment must be used only for the purpose for which it was intended. Any other
use will void the warranty and could cause bodily injury to the operator and costly
damage to the equipment.
7) If a malfunction should occur, turn the machine off immediately and correct the problem,
before restarting the machine.
8) Do not leave the equipment unattended while it is running.
9) Do not wear loose clothing or jewelry when operating this equipment. Long hair should
be confined by a hat or a hair net.
10)Do not operate under the influence of alcohol or drugs.
1-2 DUCT CLEANING SAFETY
1) Limit the operation only to those personnel trained in the proper use and operation of the
machinery.
2) Never operate the machine without proper ventilation.
3) Keep all clothing and your body away from the rotating equipment.
4) Obey all safety labels and instructions affixed to the machine.
5) Never run the machine speed faster than the factory settings.
If there are any questions as to the safe operation of this equipment, please do not hesitate to
contact us at 1-800-875-6457.

SECTION 2: SPECIFICATIONS
2-1 PURPOSE
The Nikro HP20GAS is designed to safely and easily clean heating and cooling ducts. We
recommend the owner / operator contact and become a member of the National Air Duct
Cleaning Association. 202-737-2926. Contact them if you have any questions concerning the
proper approved mechanical cleaning methods.
Your HP20GAS is usually sold as a package with a compressor and the proper duct cleaning
accessories to do an affective job. If your HP20GAS was not purchased as a system then you
must have the following items to start cleaning ducts.
A) Hose inlet adapter (if 10 hose is not used)
B) 8” or 10” hose
C) When using more than one length of hose then you must us a hose connector.
D) 8” or 10” duct collar (depending on the hose size)
E) Air Compressor
F) Duct Ball System
G) Manual or Rotary Brushes
H) Hole Saws
I) Patches
J) Sheet Metal Screws
If you do not have the cleaning accessories listed above call Nikro Industries for assistance.

SECTION 3: PRE START-UP CHECKLIST
3-1 RECEIVING YOU HP20GAS
Immediately check the condition of your new HP20GAS as received. The machine was shipped
in perfect condition and should arrive the same way. If there are any visible problems, mark them
on the Bill Of Landing that the carrier has and call his office immediately before the drive leaves
your premises. As sympathetic as we are to any damages or shortages that occur in shipping,
Nikro Industries, Inc. has no legal recourse for such claims. Title to your machine was
transferred to the carrier as soon as it left our dock. However, please let us know by phone and
writing about any problems so that we can assist you with immediate replacement parts or
information.
3-2 UNCRATING
Carefully remove all the packing materials and check the parts against the Packing List. Your
HP20GAS was test-run and shipped with all fluids at the proper levels. Check them now and top
off as required. Fill the gas tank. Your new HP20 is now ready for operation.

SECTION 4: START-UP
AT ALL TIMES KEEP YOU HANDS, CLOTHING, ETC. AWAY
FROM THE INLET AND DISCHARGE OF YOUR HP20.
1) Place your HP20 on a level surface. Position it so the filter bag will not be blown by the
wind and come in contact with the exhaust system. Apply the brake located on the swivel
caster.
2) Attach the filter bag to the HP20 discharge using the strap clamp provided.
3) Attach the hose to the inlet of the HP20 using the clamp provided.
4) Additional hose lengths may then be attached to the hose using hose connectors and
clamps.
5) Drill the correct size hole in the ductwork and attach the hose and duct collar.
6) Attach the fuel tank to the engine and open the vent on the gas tank.
DO NOT OVERFILL THE GAS TANK. ALLOW ROOM FOR
EXPANSION OF THE FUEL. DO NOT LET THE FUEL LINE COME IN
CONACT WITH THE EXHAUST SYSTEM.
7) Refer to the engine manual for the correct starting procedures for the engine. Start the
engine.
8) Your HP20 is now ready for service.
REMEMBER SAFETY FIRST!!!!!!
1) When not using the HP20 move the throttle to the slow position.
2) Your HP20 is a powerful vacuum and should be treated as such. Wooden boards, nails
and other foreign materials other than dust are commonly found in duct systems. There is
always the possibility of these objects penetrating the filter bag. Keep children and pets
away from the machine while it is running.

REMEMBER: SAFETY FIRST!!!!!
Equipment is to be operated by trained qualified personnel only.
AT ALL TIMES KEEP YOUR HANDS, CLOTHING, ETC. AWAY FROM THE
INLET AND DISCHARGE OF YOUR VACUUM.
Keep children and pets away from the machine while it is running.
When not using the HP20GAS move the throttle to the slow position.
Your HP20GAS is a powerful vacuum and should be treated as such. Wooden
boards, nails and other foreign materials are commonly found in insulation.
There is always the possibility of these objects penetrating the filter bag. Be
aware of the possible discharge area noted in diagram #1 and position the
vacuum accordingly.
Diagram #1

SECTION 5: SHUT DOWN
1) Move to the slow position. Run the machine for approx. 5 minutes.
2) Turn the engine off.
3) Remove the bag.
4) Disconnect the hose.
CAUTION! DO NOT REMOVE THE HOSE OR THE BAG UNTIL
THE HP20GAS HAS COME TO A COMPLETE STOP.

SECTION 6: PARTS LIST

6-2 MAINTENANCE
1) ENGINE: Refer to the attached service manual for the engine servicing.
2) BATTERY: The batter provided with your equipment is of the lead acid type. The battery
cables should be checked daily for corrosion and tightness.
3) FAN HOUSING AND WHEEL: During the normal use of your HP20, no maintenance is
required on the fan wheel or housing.
If a problem, noise, or vibration should occur stop the equipment immediately!! Contact the
factory as soon as possible. Do not operate this equipment until it has been thoroughly checked
by the factory or factory authorized representative.
THE FAN WHEEL ASSEMBLY HAS BEEN BALANCED AT THE
FACTORY. NOISES OR VIBRATIONS COMING FROM THE FAN
MEANS THAT FOR SOME REASON THE FAN WHEEL HAS BECOME
OUT OF BALANCE. THE ASSEMBLY IS ROTATING AT 3600 RPM. IN
AN OUT OF BALANCE SITUATION THE POSSIBILITY OF THE
WHEEL EXPLODING IN THE HOUSING IS EXTREMELY GREAT IF
ALLOWED TO CONTINUE. THE POSSIBILITY OF INJURY OR DEATH
TO THE OPERATOR OR ANY BYSTANDERS IS VERY REAL
Do not replace the factory fan with any other fan other than the factory approved replacement.
SECTION7: TROUBLESHOOTING
ENGINE: Refer to attached owners manual for engine servicing and troubleshooting.
NO SUCTION FROM THE END OF THE HOSE.
1) Stop Engine
2) Check hoses for blockage or loose connections
3) Check fan inlet for blockage
4) Check discharge for blockage
5) Inspect fan interior for blockage

WARRANTY
Nikro equipment is warranted for 2 years from the date delivered to the original
purchaser. Parts, which become defective due to faulty workmanship or materials during normal
use in these years will be repaired or exchanged at no charge if returned and approved by an
authorized Nikro service center. The freight shall be at the expense of the customer.
This warranty does not apply to normal wear and tear, neglect, misuse, or incorrect
installation. If any other replacement parts, filters or attachments are used other an original Nikro
parts, this warranty will become void.
This warranty does not apply to hoses, switches, lights, sensors, or breaks in cords. All motors
are subject to manufacturer’s warranty. Contact Nikro Industries for assistance with these items.
Nikro disclaims responsibility for loss of production, profits, or any other costs that may
indirectly occur due to the failure of this product.