This operator’s book has important information for the use
and safe operation of this machine. Read and understand
the Engine Operator’s Manual and this manual before
starting the machine. Keep this book and tell all opera-tors to read the book. If you do not follow the instructions, you can cause an injury or damage equipment,
furniture or buildings.
For new books write to:
Pacific Steamex, Inc.
2259 S. Sheridan
Muskegon, MI 49442-6252
Carefully inspect all components to ensure that there is
no concealed freight damage. If such damage is discovered, file a “CONCEALED DAMAGE REPORT”
immediately with the delivering carrier.
READ THIS BOOK
The contents of this manual are based on the latest product
information available at the time of publication. Pacific
Steamex reserves the right to make changes or improvements to its machines without notice.
FOR YOUR CONVENIENCE, RECORD THE
MACHINE AND ENGINES MODEL AND SERIAL
NUMBERS HERE:
MACHINE MODEL______________________
MACHINE SERIAL NUMBER_____________
ENGINE MODEL________________________
ENGINE SERIAL NUMBER_______________
TABLE OF CONTENTS
IMPORTANT SAFETY INSTRUCTIONS……………………………………………………………. 3
A. Check the Engine Oil……………………………………………………………………………..5
B. Properly Fill and Check LP Tank and Lines for Leaks………………………………………..…5
C. Connecting the HP Hose to LP Tank……………………………………………………………..5
D. Installing Pads…………………………………………………………………………………….5
E. Starting the Engine………………………………………………………………………………. 5
F.Stopping the Engine………………………………………………………………………………6
G. Transporting the Machine……………………………………………………………………….. 6
H. Storing the Machine………………………………………………………………………………6
.
MAINTENANCE………………………………………………………………………………………... 6
A. Machine Maintenance…………………………………………………………………………… 6
B. Changing the Drive Belt……………………………………………………………………….…6
C. Changing the Angle of Attack & the Head Pressure……………………………………………. 7
READ AND UNDERSTAND ALL INSTRUCTIONS AND W ARNINGS BEFORE
OPERATING THIS MACHINE!
WARNINGS:
1.DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS MACHINE.
2.NO SMOKING, NO SPARKS, NO FLAMES NEAR UNIT OR LP TANK.
3.OPERATE ONLY IN WELL VENTILATED AREAS. BUILDINGS MUST BE PROVIDED WITH :
A) A CONTINUOUS MECHANICAL VENTILATION THAT REMOVES THE PRODUCTS OF COMBUS-
TION TO THE OUTDOORS OF NOT LESS THAN 300 CFM FOR EACH 10,000 BTUH OR FRACTION THEREOF; OR
B) NATURAL VENTILATION OF NOT LESS THAN 300 CFM FOR EACH 10,000 BTUH INPUT OR
FRACTION THEREOF, BASED ON A MAXIMUM OF ONE-QUARTER AIR EXCHANGE PER HOUR
FOR THE NET BUILDING VOLUME.
4.IF YOU SMELL LP GAS, STOP THE UNIT AND CHECK FOR LEAKS. ALSO OPEN WINDOWS, DON’T
TOUCH ELECTRICAL SWITCHES, EXTINGUISH ANY OPEN FLAMES. CALL YOUR GAS SUPPLIER
IF NO LEAKS ARE FOUND.
5.DO NOT ADJUST THE FUEL SYSTEM WITHOUT THE PROPER ANALYSIS EQUIPMENT.
6.NEVER TURN THE UNIT ON ITS SIDE.
7.KEEP HANDS AND FEET CLEAR OF ALL MOVING PARTS.
8.TURN THE GAS OFF AT THE TANK TO KILL THE ENGINE.
9.REMOVE THE LP T ANK AND STORE IT IN AN APPROVED AREA WHEN NOT IN USE. A “NO SMOKING” SIGN SHOULD BE PERMANTLY DISPLAYED AT THE STORAGE AREA.
10. KEEP ALL OBJECTS CLEAR OF THE EXHAUST SYSTEM DURING AND AFTER OPERATION.
11. DO NOT LEAVE THIS MACHINE UNATTENDED WHILE THE ENGINE IS RUNNING.
12. WHEN THE LP TANK IS ATTACHED TO THE MACHINE AND
SHOULD NOT LEAVE THE MACHINE UNA TTENDED EXCEPT FOR SHORT PERIODS OF TIME SUCH
AS REST STOPS, WASHROOM OR MEAL STOPS.
13. THE OPERATOR MUST COMPLETELY UNDERSTAND ALL INSTRUCTIONS, WARNINGS AND OPERATING PROCEDURES BEFORE USING THIS MACHINE.
14. THIS MACHINE MUST BE MAINT AINED IN ACCORDANCE WITH THIS MANUALS RECOMMENDED
MAINTENANCE INSTRUCTIONS AND THE ENGINE MANUFACTURERS RECOMMENDED MAINTENANCE PROCEDURES. FAILURE TO DO SO MAY CAUSE DAMAGE TO THE MACHINE, EQUIPMENT, FURNITURE, BUILDINGS OR PERSONAL INJURY!
NOT RUNNING, THE OPERATOR
3
NOTES
4
OPERATING PROCEDURES
WARNING! Follow the instructions given in this booklet, the Engines Owners Manual and the training given
by your supervisor for the safe operation of this machine. Failure to do so can result in personal injury and/
or damage to the machine or property.
DO NOT OPERATE THIS MACHINE IN AN
EXPLOSIVE ENVIRONMENT!
The NightHawk Propane Burnishers are intended for
commercial use.
A. CHECK THE ENGINE OIL BEFORE EVERY
OPERATION!
Make sure the machine is level when checking the oil.
Always take 2 readings of the dip stick before adding
oil. If the oil level is below the full mark, add just
enough oil to the engine to bring the oil level up to the
full mark. Never over fill. Follow the guidelines in
your Engine Owners Manual. Check for foreign material on the dipstick.
B. PROPERLY FILL AND CHECK YOUR LP TANK
AND ALL LP FUEL LINES FOR LEAKS!
1.Every tank we sell has been pressure and leak
tested. However, every time a tank is filled and/or
connected to the machine it should be soap tested.
All LP lines must be pressurized and every inch of
line and connections must be sprayed. If you find a
leak, make the proper repairs before operating the
machine. NOTE: The connection and disconnection
of the LP tank must be done in a well ventilated area
with NO source of ignition within 10 feet (3 meters)
from the point of connection.
2.Never over fill the LP tank. Your buffer ’s LP
tank is designed to hold just 20 pounds of propane.
Make sure to weigh the tank as it is being filled.
The gross weight of a full tank should not exceed 48
pounds. If while operating the machine you notice
frost forming on the LP lines or the regulator, your
tank has been over filled. If you continue to operate
the machine in this condition damage will occur.
The excess propane in the tank must be removed
before normal operations resume. The bleeding of a
propane tank should be done in a safe location
outside the building. In some cases the regulator
must defrost befor restarting the engine.
C. CONNECTING THE HIGH PRESSURE HOSE
TO THE LP TANK: Make sure the couplers are in
line and screwed together hand tight (see page 13). If
this is not done properly, fuel will not pass through to
the regulator.
D. INSTALL A FRESH PAD BEFORE EVERY JOB;
if not new , at least clean. To install a fresh pad, set the
machine down in the rear. Unscrew and remove the
yellow pad-centering ring. See page 9, the “PadDriver Assembly”. Remove the old pad and center
the new pad onto the pad driver. Reinstall the yellow
pad-centering ring. Never “flip” a pad. Keep the same
side down throughout the life of the pad. Even after a
pad is cleaned, you can tell the down side by the centering ring indentation. This practice will increase
the pad life and help maintain a properly functioning
pad driver. NEVER TILT A MACHINE ON ITS
SIDE!
E. STARTING THE HONDA ENGINE.
1.Make sure you have completed items A,B,C and
D above. Also make sure the fuel is on at the
tank. Set the machine down in the rear. If your
unit is equipped with a centrifugal clutch, set down
is not necessary.
2.Push the throttle lever all the way forward to en-
gage the choke (see page 11).
3.Plug the starter cord into a 115-volt outlet (page
14).
4.Push the starter button.
5.When the engine starts, release the starter button
and adjust the throttle back to a high idle. Unplug the cord.
6.Lower the buffing deck to the floor and set the
throttle to the desired buffing speed. Always keep
the machine moving while the pad is touching
the floor.
7.Keep hands, fingers and feet clear of all moving
parts while the machine is in operation.
5
OPERATING PROCEDURES
F.STOPPING THE ENGINE.
1.Pull the throttle back and low idle the engine.
2.Turn the propane tank valve clockwise to a closed posi-
tion.
NOTE: The exhaust system will be very hot and takes several
minutes to cool, so keep yourself and all materials clear!
G. TRANSPORTING THE MACHINE.
1.The tank should be securely fastened.
2.The tank valve must be closed.
The transport area should be well ventilated
MAINTENANCE
A. MACHINE MAINTENANCE
1.Change the oil and filter according to the Honda Engine
Owners Manual. Change the oil at the first 20 hours of
operation. Thereafter, oil should be changed at 50-hour
intervals.
2.Grease the wheels every 50 hours of operation.
3.Keep the cooling air filter (on top of the engine) clean at
all times. Wet clean it at the end of every use. Never operate the machine unless the filter is clean and properly installed.
H. STORING THE MACHINE.
1.The engine should be stopped properly
and the tank valve closed.
2.Remove the LP tank from the machine
and store the tank in an approved area.
3.Store your machine in a safe area: away
from enclosed high heat, away from sparks
or flames, away from traffic lanes of heavy
equipment.
REFER TO SAFETY INSTRUCTIONS!
Remember that being safe is a full-time, every
day job. Follow all information posted on the
machine and the LP tank.
9.Soap test for LP leaks at least every time
you install a fresh LP tank. To do this test
properly, the LP lines must be pressurized and
every inch of line and connections must be
sprayed. If you find a leak, make the proper
repairs before operating the machine. Also
see Item B under Operating Procedures.
4.Each week wet clean the carburetor foam pre-filter with
soap and water. Blot dry with paper towels and reinstall.
Do not treat this filter with oil. Never operate the unit
unless the paper element and the pre-filter are properly installed. Install a new paper element every 200 hours of
operation.
5.Clean the entire unit after each use.
6.When cleaning the unit, check for possible loose nuts and
bolts.
7.Check the pad driver weekly for rigidity and wear. Replace the harpoon face as needed.
8.Check the bearing hub shaft and bearings weekly. If the
shaft shows any looseness, the bearings and possibly the shaft
must be replaced.
Never allow anyone to operate this machine that
has not read or cannot understand the given
instructions.
B. CHANGING THE DRIVE BELT.
1.The engine should be off and the ma-
chine level with the floor.
2.Remove the front cover (7/16-inch
wrench).
3.Loosen only (do not remove) the 4 hub
plate mounting bolts (3/4-inch wrench).
These are the front 2 bolts located on the right
and left sides of the main frames above the
hood. The third bolt on either side mount
the push bar and should not be loosened.
6
B. Changing the Drive Belt Continued.
4.Turn the 2 tension rods counter clockwise equal
turns until you can push the bearing hub plate to the
rear (3/4-inch socket).
5.Remove the old belt and install the new one.
6.Tension the new belt by reversing step #4. The
belt should be just tight enough to not slip or squeal.
Care must be taken not to over tension the belt. Over
tension will cause premature bearing wear.
4.Place the wood block and shims under the tails of
the right and left main frames of the machine; enough
to slightly raise the wheels from the floor.
5.Loosen the right and left axle brackets, two bolts
each.
6.Level the left main frame with the framing level.
You will need to remove the wood shims as this is
done. Tap the wheel up or down as needed to maintain floor contact. The frame should be slightly low in
the rear (about ¼ inch below level at the tail).
7.Retighten the 4 bearing hub plate mounting bolts.
8.Replace the front cover.
C. CHANGING THE ANGLE OF A TTACK (PAD T O
FLOOR) & THE HEAD PRESSURE.
If the machine has been dropped or you notice a distinct increase in the torque during operation, this adjustment may be needed. For this operation, you will
need: a ¾-inch wrench, a new pad installed on the
machine, a framing level, a wood block and shims,
and a level floor
area on which to set the machine. The end results of
this operation should be a machine with framework
that sets slightly low in both the rear and on the right
side. The right frame should be 1/8-inch lower than
the left frame at the wheel bracket point. You may
measure the distance from the top of the axle plate to
the top of the main frame to establish this difference.
Th 1/8-inch variance from the left to the right is critical for level buffing and ease of operation. If the difference is increased (more than 1/8- inch), torque relief will increase but level buffing will decrease; you
will shine harder on the right side of the machine than
the left. If the difference is decreased (less than 1/8inch), torque relief will decrease and level buffing will
increase. The machine will be harder to operate. When
you get it right, the machine will deliver good level
buffing with a minimum of operating effort.
1.Install a new pad onto the machine.
2.Place the machine onto a level floor area.
3.Remove the LP tank.
7.When this measure is achieved, tap the left wheel
to the floor and tighten the mounting bolts.
8.Now measure the distance between the top of the
left wheel bracket and the top of the left main frame.
9.Subtract 1/8-inch from the measurement in step
#8. Set the right wheel bracket to this new measurement.
10. Tighten all wheel bracket mounting bolts and remove the wood block and shims.
If the unit seems to over torque after a test run, you
may correct this problem by simply raising both wheel
brackets equal amounts. This adjustment changes the
angle of attack pad to floor and should be made in
small 1/8-inch increments. Always keep the right
frame 1/8-inch lower than the left at the wheel bracket
point.
If you desire to increase the head pressure of your
unit, simply move the right and left axle brackets to
the rear equal amounts. Make this move in ½ inch
increments. Test run the unit after each adjustment
until you reach the desired head pressure. If you find
that you have increased the head pressure and increased
the torque, the torque may be decreased by raising both
the right and left wheels equal amounts. The wheel
system on this unit is designed for the professional.
There are enough adjustments to make the machine
buff any way you want. The ability to control the head
pressure and angle of attack ate advantageous to level
buffing, ease of operation, and superior pad life.
7
NIGHTHAWK
HANDLE & THROTTLE
See Page 11
REGULATOR ASSEMBLY
See Page 13
ST ARTER ASSEMBLY
See Page 14
RAIL & HUB ASSEMBLY
See Page10
HANDLE BRACKET AND HP HOSE
See Page 13
T ANK ASSEMBL Y
See Page 12
BRACKET ASSEMBL Y
See Page 12
ENGINE ASSEMBL Y
See Page 14
and
Engine Owners Manual
WHEEL ASSEMBLY
See Page 11
MACHINE DESCRIPTION:PART NUMBER:
NightHawk 20” with 11 HP Honda Engine 275414
NightHawk 20” with 13 HP Honda Engine 275415
NightHawk 24” with 13 HP Honda Engine 275417
NightHawk 27” with 13 HP Honda Engine 275420
This Pacific Steamex Inc. Industria l Main t enan ce Ma chin e h as been manu fact ured , tested and inspect ed in
accordance with specific engineering requirements and is WARRANTED to be free from defects in
workmanship and materials for periods as follows from the date of purchase:
Two (2) years-Honda Engine
One (1) year -all other items unles s excluded .
This warranty extends to the original user/purchaser and only when used, operated and maintained in
accord ance with Pacific Steamex Inc. Operat ing and Main tenan ce in s tructions.
This war ran t y does not ap ply to cer ta in wear par ts and acces sor ies of the machin e such as filt er s, bel ts , pa d
drive face, pad centering devise, etc., nor does it apply to damage or failure caused by improper use, abuse
or neglect. Warranty credit or replacement of return parts including wheels, shafts, etc., is subject to
incoming inspection of those items.
To secure r epair under this warranty, the following procedure should be taken:
1. The inoperative ma chine or warranted part s must be deliver ed to the auth orized dealer wi th shippin g
and deli very charg es prepaid. If un able to loca te th e Dealer, you may con tact Pacific Steamex Inc. at
the addr ess li sted her ein for the locat ion of the n ear est Pacific Steamex Inc. repair cen ter or agent or
for other instructions pertaining to your warranty difficulty.
2. For Engine Warranty repair deliver the machine to the nearest Honda Warranty Service Center
(reference p ag e 1 5 ).
3. Up on complian ce wi th the above warr anty procedure, all warranted r epairs will be com pleted a t no
additional charge or cost to the user.
4. Only Pacific Steamex Inc. or its authorized dealers and agents may make no charge warranty repairs
on this product. All others do so at their own risk.
This warranty limits Pacific Steamex Inc. liability to the repair of the product and/or warranted parts
replacement an d does not include in cidental or consequential damages arising from the use of a PacificSteamex Inc. machine whether defective or not.
This warranty is in lieu of all other expressed or implied warranties and is extended to the original
purchaser/user.
8/00270235
PACIFIC STEAMEX, INC.
2259 S. SHERIDAN
MUSKEGON, MICHIGAN 49442-6252
800-968-1332
FAX 1-800-863-9536
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