Allen Engineering Corporation RAZORBACK 12SX User manual

MODELS
12SX
12HD
12SHD
OPERATIONS
MANUAL

LIMITED WARRANTY
Allen Engineering Corporation warrants its products to be free of defects in material or workmanship for the
following periods:
A. All New Machines and Part 6 Months
B. All New Gear Boxes 2 Years
C. All Factory Reconditioned Gear Boxes 1 Year
Warranty period begins on first day of use by End User. This first day of use is established by a completed
warranty card or a Bill of Sale to the end user. All warranty is based on the following limited warranty terms and
conditions.
1. Allen Engineering Corporation’s obligation and liability under this warranty is limited to repairing or replacing parts
if, after Allen’s inspection, it is determined to be a defect in material or workmanship. Allen Engineering Corporation
reserves the choice to repair or replace.
2. If Allen Engineering Corporation chooses to replace the part, it will be at no cost to the customer and will be made
available to the Distributor/Dealer from whom the customer purchased the product.
3. Replacement or repair parts, installed in the product, are warranted only for the remainder of warranty period of the
product as though they were the original parts.
4. Allen Engineering Corporation’s warranty applies only to the products that are manufactured by Allen Engineering
and does not cover component parts such as engines and clutches. Allen Engineering Corporation DOES NOT
warranty clutches. Engine warranty claims should be made directly to an authorized factory service center for the
particular engine make.
5. Allen Engineering Corporation’s warranty does not cover the normal maintenance of products or its components
(such as engine tune-ups and oil changes). The warranty also does not cover normal wear and tear items (such as
belts and consumables).
6. Allen Engineering Corporation’s warranty will be void if it is determined that the defect resulted from operator
abuse, failure to perform normal maintenance on the product, modification to product, alterations or repairs made
to the product without the written approval of Allen Engineering Corporation. Allen Engineering Corporation also
excludes from warranty any failure of clutches on any engine driven piece of equipment.
7. If a new gear box has a factory defect within the first year of use, Allen Engineering Corporation will either repair
the gear box or replace it with a new gear box. If a new gear box has a factory defect in the second year of use,
Allen Engineering Corporation will either repair it or replace it with a factory reconditioned gear box. Impact
damage is NOT covered under the gear box warranty.
8. Allen engineering Corporation will pay shop labor repair on warranty at the Allen Engineering Shop Labor Rate in
existence on the date of the warranty claim. An Allen Engineering Labor Chart will determine the time allowed to
complete a repair and will govern the shop labor hours that will be allowed.
9. Allen Engineering Corporation will pay freight on warranty replacement parts at Worldwide standard ground rates.
No warranty replacement parts will be shipped air freight at the expense of Allen Engineering Corporation. Allen
Engineering only pays outbound freight charges when sending warranty replacement parts to the customer VIA
ground service. Allen Engineering does not pay any inbound freight, however, if Allen Engineering determines this
to be warranty defect only then will Allen Engineering reimburse the customer for inbound freight at standard
ground rates.
10. Allen Engineering Corporation’s warranty policy WILL NOT COVER the following; taxes, shop supplies,
environmental surcharges, air freight, travel time, loss of rental revenue, or any other charges whatsoever or any
liabilities for direct, incidental, or consequential damage or delay.
11. Allen Engineering Corporation makes no other warranty, expressed or implied. This limited warranty is in
lieu of the warranty of merchantability and fitness. There are no other warranties that extend beyond the
description on this document.
12. No Allen Engineering Corporation employee or representative is authorized to change this warranty in any way or
grant any other warranty unless such change is made in writing and signed by an officer of Allen Engineering

AIR POWERED SCREED
O P E R A T I O N S
MANUAL
NOTE: THIS MANUAL IS BROKEN UP INTO THE FOLLOWING PARTS
OPERATIONS
SECTION 1
PARTS
SECTION 2
MODELS - 12SX 12HD 12SHD
ALLEN RAZORBACK SCREEDS ARE COVERED BY ONE OR MORE OF THE FOLLOWING
PATENTS:
U.S. PATENTS: 4,249,327; 4,316,715; 4,349,328; 4,363,618; 4,375,351; 4,412,803; 4,544,346; 4,630,964; 4,648,741; 4,685,826;
STEEL TRUSS

OPERATIONS
SECTION 1
OPERATIONS
• TABLE OF CONTENTS •
1. TABLE OF CONTENTS.....................................................................................S1-1
2. INFORMATION CONTAINED IN THIS MANUAL .............................................S1-2
3. ORDERING INFORMATION..............................................................................S1-2
4. SERIAL NUMBER LOCATION..........................................................................S1-3
5. DISTRIBUTOR INFORMATION ........................................................................S1-4
6. SAFETY NOTATIONS .......................................................................................S1-4
7. SPARK ARRESTERS........................................................................................S1-4
8. OPERATING SAFETY.......................................................................................S1-5
9. SERVICE SAFETY ............................................................................................S1-6
10.VIBRATION & SOUND ANALYSIS...................................................................S1-6
11.DIMENSIONAL PICTORIALS ...........................................................................S1-7
12.TECHNICAL DATA............................................................................................S1-8
13.BEFORE STARTING .........................................................................................S1-9
14.OPERATING ......................................................................................................S1-9
15.PERIODIC MAINTENANCE SCHEDULE..........................................................S1-10
16.LIFTING PROCEDURES ...................................................................................S1-11
17.SECTION ASSEMBLY ......................................................................................S1-12
18.LUBRICATOR OPERATION .............................................................................S1-13
19.ATTACHING WINCHES TO FORM STAKES ...................................................S1-14
20.DETERMINING LEFT AND RIGHT OF SCREED .............................................S1-14
21.STRINGLINING..................................................................................................S1-15
21.END HANDLE ASSEMBLY...............................................................................S1-16
S1-1

OPERATIONS
SECTION 1
S1-2
• INFORMATION CONTAINED IN
THIS MANUAL •
The information contained in this manual provides important procedures to safely operate and
maintain your air powered screed. The steps that are illustrated in this manual must be followed
otherwise the life of the machine could be greatly shortened due to operator neglect. Remember that
a machine that is well taken care of will provide many years of trouble free operation.
For your own protection and safety, always adhere to the safety warnings and notes that are pointed
out in this manual. Disregard to these instructions could lead to personal injury or possibly even
death.
• ORDERING PARTS •
This manual contains an illustrated parts list to help you in ordering replacement parts for your air
powered screed. Follow the instructions below carefully when ordering parts to insure that you get
the exact parts that you are wanting.
•All orders for service parts include a serial number. Shipment of your parts will be delayed if this
information is not available when you call Allen Engineering Customer Service.
•Include the description and correct part number from Section 2, as well as, the quantity needed.
•For prompt and accurate shipments, specify exact shipping instructions, including preferred
routing and complete destination address.
•DO NOT return parts to Allen Engineering without receiving written authorization from Allen
Engineering Corporation. All authorized returns must be shipped pre-paid.
When placing an order, contact your nearest Allen Engineering Distributor or call Customer Service
at 800-643-0095 or 870-236-7751.
THIS MANUAL COVERS TRUSS SCREED STARTING WITH THE FOLLOWING SERIAL NUMBERS:
2’ - HED820818, 2-1/2’ -
WHEN ORDERING ADDITIONAL COPIES OF THIS MANUAL,
PLEASE SPECIFY THE PART NUMBER BELOW.
037819
P.O. BOX 819
PARAGOULD, AR 72451-0819
USA
COPYRIGHT© 1998 ALLEN ENGINEERING
CORPORATION ALL RIGHTS RESERVED -
CONTENTS SUBJECT TO CHANGE
WITHOUT PRIOR NOTICE.

OPERATIONS
SECTION 1
S1-3
• SERIAL NUMBER LOCATION •
LOCATION OF SERIAL #
INFORMATION ON SERIAL NUMBER
SAMPLE # - HED82243
HED = MODEL
8= LAST DIGIT OF PRESENT YEAR
2, 3, 5, 7 = SIZE OF TRUSS ASSEMBLY
2= MONTH OF PRESENT YEAR
43 = SEQUENCE NUMBER OF SECTION BUILT IN
PRESENT MONTH
NOTE: EVERY SECTION THAT
LEAVES ALLEN ENGINEERING
HAS A SERIAL NUMBER
STAMPED ON THE RIGHT
HAND SIDE OF THE TRUSS
TOP PIPE. WHEN ORDERING
PARTS, YOU WILL BE ASKED
FOR THIS SERIAL NUMBER.
MAKE NOTE OF ALL YOUR
SECTION SERIAL NUMBERS
FOR FUTURE REFERENCE.
FILL OUT SERIAL #’S HERE FOR FUTURE REFERENCE
____________________________________________________________
____________________________________________________________
____________________________________________________________
________________________________________________________

S1-4
OPERATIONS
SECTION 1
• DISTRIBUTOR INFORMATION •
PLACE DISTRIBUTOR INFORMATION HERE FOR FUTURE REFERENCE
DISTRIBUTOR NAME:__________________________________PHONE #:__________________
ADDRESS:______________________________________________________________________
CITY:_________________________________________STATE:_____________ZIP:
__________SALESMAN:
____________________________________________________________________
ADDITIONAL COMMENTS:_________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
• SAFETY NOTATIONS •
NOTE: Throughout this manual, there are NOTES, CAUTIONS, and WARNINGS which must be
followed to reduce the possibility of improper service damage to the equipment or personal injury.
•NOTE - Contains additional information important to a procedure.
•CAUTION - Provides information important to prevent errors which could damage the
machine.

OPERATIONS
SECTION 1
S1-5
• OPERATING SAFETY •
Familiarity and proper training are required for the safe operation of this equipment. Equipment
operated improperly or by untrained personnel can damage equipment and could be dangerous.
Read the operating instructions contained in both this manual to familiarize yourself with the location
and proper use of all the controls.
DO NOT operate this machine until you have read the operating and safety instructions. Operate
the machine in accordance with the manufacturer’s instructions.
ALWAYS inspect your screed upon arrival for damage or tampering that can sometimes occur
during shipping. If damage is found, file a claim with your carrier immediately!! Mark
freight bill of lading as “damaged shipment”.
NEVER allow untrained personnel to operate your air powered screed. Individuals who operate this
screed should have adequate training in operating procedures.
DO NOT attempt to fill hydraulic(winch) tanks while machine is running.
NEVER use over-the-counter hardware to replace manufacturers hardware. Contact your nearest
Allen Engineering dealer or our Customer Service department.
HAZARD: When operating machines with gas engines in confined areas, the fumes must be
ventilated. Improper ventilation could lead to serious health problems or even death.
ALWAYS be aware of HOT components on this machine, such as, hydraulic components.

OPERATIONS
SECTION 1
S1-6
• SERVICE SAFETY •
DO NOT attempt to clean or service screed while machine is running.
DO NOT use gasoline, other fuels, or any flammable solvent to clean parts, especially in enclosed
areas. Fumes from fuels and solvents can cause serious health problems if you are
exposed to them over an extended period of time.
ALWAYS disconnect spark plug before servicing engine to prevent accidental start-up.
ALWAYS wear adequate hearing protection while running your air powered screed.
• SOUND & VIBRATION ANALYSIS •
AVERAGE EQUIVALENT SOUND PRESSURE LEVEL EQUIVALENT
SOUND PRESSURE LEVEL AT OPERATOR’S EAR SOUND POWER
LEVEL
110dB(A) 106dB(A) 126dB(A)
The information above was acquired through vibration and sound analysis taken here at AEC. We brought in a certified
sound and vibration technician to test several of our products. All of the data collected was measured according to
OSHA standards ISO 3744. If there are any questions on this particular subject, contact AEC Customer Service at 870-
236-7751 or 800-643-0095.

OPERATIONS
SECTION 1
S1-7
• DIMENSIONAL PICTORIALS •
The dimensions of the air powered screed in
this manual are illustrated on this page. The
height and width are in Figure 1 and the
lengths of the different screed sections
available are illustrated in Figure 2.
FIGURE 1
FIGURE 2

OPERATIONS
SECTION 1
• TECHNICAL DATA •
SPECIFICATIONS ON AIR POWERED SCREED:
MODEL TRUSS BLADES 10’
lbs/kg
7 1/2’
lbs/kg
5’
lbs/kg
2 1/2’
lbs/kg
2’
lbs/kg
MAXIMUM
WIDTHS
12SX 12 GA. GALV. STEEL 140/64 104/47 70/32 36/16 28/13 55’
12HD 10 GA. GALV. STEEL 186/84 138/63 93/42 47/21 37/17 65’
12SHD 10 GA. STAINLESS 186/84 138/63 93/42 47/21 37/17 75’
•Top Pipe - Coupling System - Fine Thread Adjustment 1 5/16-16tpi with Full Flow 1” Non-
Restricting Air System with Dual Locking Jam Nuts.
•Vibration Proof Welds with Exclusive Vibration-Dampening System.
•Bolt-On Blades with Quick Connecting Splice Plates Front and Back at each Truss Section using
1/2-13 Nuts and Bolts Throughout.
•Balanced Design Truss Height to Overall Base Width Provides Equilateral Triangle Strength for
Obtaining Precise Grade Control and Structure Integrity.
•Top Pipe Coupling System Provides for Crowned or Invert Slab Section without loosening Bottom
Splice Blade Bolts. Special Crowns or Inverts are obtainable with Ball Joint Top Pipe Coupler or
Crown Invert Bracket. Crowns greater than 1/8”/ft are considered special.
•NOTE: Select Screed Width to Allow Minimum Overhangs Past Forms; 6” Overhangs are Ideal,
S1-8
MODEL 1. SINGLE
VIBRATORS
2. DUAL
VIBRATORS
12SX 93 2 1
12HD 95 3 2
12SHD 95 3 2
VIBRATORS PER SECTION
7-1/2' 5' 2'
1. SINGLE VIBRATORS 30" centers alternating front to back.
2. DUAL VIBRATORS 30" centers front and back.
•VIBRATORS - Naval Bronze Piston Pneumatic Vibrator. Rebuildable, Rust-Resistant, One
Moving Part, Fatigue Proof Air Fitting. Weight 2.42#. Piston is 1" Diameter with Unbalanced
travel. Air Consumption 4.0 CFM at 60 PSI. Vibrations Per Minute, 9500 at 60 PSI.
•Exclusive 3 Bolt Attaching Bracket using High Strength Fine Thread Double Nut Vibrator Bolt with
2 each 1/2" Bracket Bolts.
•Vibratory Supply Air Supply - 200 PSI with Push Lock Fittings.
•Full Flow 1" Air Flow System - Includes Air Connecting Hose to Screed, Off/On Valve Also used
as Volume Flow Valve, Air Gauge, In-line 1" Mist Lubricator Provides Adjustable Lubrication.
Top Dome Sight Drip Glass, Fill Cap, 1 Quart Capacity Steel Body with Sight Glass for
Lubrication Oil.
•Lubrication Mist Lube - NR88 or Allen Air Lube; Aft Dextron II is Allowable for Intermittent Use.

OPERATIONS
SECTION 1
S1-9
• BEFORE STARTING •
Before starting the air powered screed, there are a few items that need to be looked over.
•Make sure that bolts are secure and will not vibrate loose.
•Check jam nuts on top pipe to ensure that they are tight against the top pipe coupler.
•Check the hydraulic level in the tank for the hydraulic winches (if applicable).
•Check winch cables to make sure that they will not loosen during the screed run.
•Look over the forms to check for unevenness so that the screed will not hang up.
Ask yourselves these questions when preparing your screed for a job.
•What is the “exact” pour width?
•What is the slump?
•Is the slab flat, crowned, or inverted?
•What is the required surface tolerance?
•Choose screed type and size based on the above information.
•Are any accessories required?
•Do the winches work properly?
• OPERATING •
Operating your air powered screed correctly will greatly produce the outcome of the pour. Follow the instructions below to
operate your screed correctly and you will be very pleased with your equipment.
THE JOB SITE:
FORMS
•Are they stable?
•Will they support the weight of the screed?
•Have the form pins been driven below the top of the forms?
•Can the screed pass from form to form without getting caught?
COLUMNS & WALLS
•Screed size is important.
•How will you go through the columns?
•Consider the use of HD winches & 6" extension handles.
•What do you do when your up against a wall?
a) wall bracket b) pipe rail c) form
CONCRETE
•Are there any mix characteristics or additives that effect the performance of the screed?
•Will the supply of concrete be steady or intermittent?
•Be aware of the importance of WEATHER!
THE CREW
•Two key people should be trained to operate the screed.
•The screed is a finishing machine, there is a technique to it's operation. The TRAVEL SPEED,
the VIBRATORY FREQUENCY, and the FEEDING of the screed must all be controlled.
•Knowing how the winches operate before you start is essential.
•To what do you hook the cables, and when do you move them?
•Pay attention to safety with the cables.

OPERATIONS
SECTION 1
S1-10
• PERIODIC MAINTENANCE SCHEDULE •
The following information contains the maintenance and operations procedures that must be
adhered to improve the life of your machine. A well maintained piece of machinery will provide you
years of satisfaction.
•Use Loctite anti-seize MIL A 907D to lubricate the top pipe coupler threads before assembly.
•Oil winch bushings at 10 hr. operation intervals. Use light lubricating oil.
•CAUTION! Change worn or frayed cables - cables under tension may snap and cause severe
injury. Use proper methods illustrated in this manual to properly attach cables. Always connect
cables properly - wrap cable under last form pin then connect cable hook to the next form pin
towards the screed.
•DO NOT hook cables to a stake driven into the ground, the stake can tilt and allow cable under
tension to snap back and cause severe injury.
•CAUTION! For screeds over 75 ft. in length consult the factory.
•Check your screed for loose bolts and nuts approximately every 30 to 45 days.
•Make sure that all the vibrator nuts and bolts and also the nuts on top of the vibrators themselves
are still tight, because these can and occasionally do loosen through vibration.
•Always check the air hoses to make sure that none of them have been broken or severed
somehow. Usually this is done by a shovel or come-along during the pour.
•It is almost impossible to get dirt or grit into the vibrators, but if this should happen, wash the
vibrator out promptly with a cleaner. To clean the vibrator, remove it from the machine and
replace it with a spare one. Remove the top nut and also the piston. Clean the vibrator with a
vibrator cleaner and wipe it dry with a clean cloth. Oil the piston, place it back into the barrel and
tighten the top nut. Tighten the top nut until you see the nut dig into the brass on the barrel
section. Now your vibrator is ready for re-use.
•To provide proper air supply should be dry and contamination free. Clean dry air will provide
trouble free vibrator operation.
•If the air compressor is fitted with an air dryer, the moisture content of the air supply will be
reduced. The reduction should be less than 10%. This will enable Allen's A88/NR oil to absorb
the remainder of the moisture in the air stream. If the air stream is not dry, the moisture will
combine with the vibrator lubricant to form a sticky sludge. This results in vibrators slowing down
or in cold weather, not working.

OPERATIONS
SECTION 1
S1-11
• LIFTING PROCEDURES •
The following procedures describe proper lifting techniques for screed. There is no OSHA standard
weight limit for manual lifting. Therefore, rather than stating a regulated limit, they ask that
employers or contractors do the following:
A) Identify each hazard to which a person at the work place (jobsite)
is likely to be exposed to
B) Assess the risk of injury or harm to a person resulting from each
hazard
C) Consider the means by which the risk may be reduced.
NOTE: Never lift more than what you personally feel that you can handle.
The lifting handles at each end of the screed are not intended to be used as the only source
to lift the screed. It is quite obvious that two large men will not be able to lift 70 feet of
screed. The following list of maximum screed lengths is very important so that the length of
your screed will not be too long.
SX SCREED - MAXIMUM 55 FEET
HD SCREED - MAXIMUM 65 FEET
SHD SCREED - MAXIMUM 75 FEET
For proper lifting of an average screed (30 ft.), the screed lifting hook is an ideal item to use. This
instrument should be placed at equal distances from each end. A special lifting bridle is then used
by a forklift, crane, front-end loader, etc. to raise and transport the screed. Also available from Allen
Engineering is the screed cart. This item is used to move the screed around on the job site only.
LIFTING HOOK PART #
532000
STANDARD SCREED CART
MAXIMUM 500 lbs. - 543000
HEAVY DUTY SCREED CART
MAXIMUM 1,000 lbs. - 543001

OPERATIONS
SECTION 1
• SECTION ASSEMBLY •
STEP 1: Screw jam nuts onto top pipe. Start the top
pipe coupler onto the top pipe of the mating truss
section. Only thread the coupler on about three turns.
NOTE: The right and left hand jam nuts will already be
installed on the screed section.
TIGHTEN JAM NUTS AFTER SCREED IS LEVEL
The following figures describe the proper instructions for correctly assembling air powered screed.
Make sure that you follow the instructions in order. If the assembling of your screed is not done in
this order, there could be some problems in trying to maintain floor flatness because your screed is
not level. Levelness of your screed is critical!
STEP 3: Vibrator mounting bolts should be
loose so that the splice plate can move in the
clearance holes. With a 15" adjustable wrench,
turn top pipe coupler until screed and bullfloat
blades contact. Then back coupler off slightly
so the blades touch without tension.
STEP 2: Slide screed sections together until top
pipe threads on screed marked “R” line up with
threads in coupler on the screed. Start coupler
on adjoining threads by hand to prevent cross
threading.
STEP 4: Secure the sections together by
assembling the remaining 6 bolts and nuts, tighten
them firmly. Continue joining sections together in
this manner until you have all the sections
assembled. Now you are ready to stringline your
screed. See PAGE S1-15.
S1-12

S1-13
• LUBRICATOR OPERATION •
OPERATIONS
SECTION 1
The following illustrations explain the location and operation of the air lubrication system on air
powered screeds. Follow instructions carefully to prevent mistakes that could cause problems in the
air flow which could then destroy the vibrators.
Oil must be added to the lubricator prior to operation.
Remove the oil filler cap, fill the lubricator 3/4 full with:
Texaco Rando C or equivalent
ATF Dexron II
Special A 88 INR Oil
Replace filler cap and tighten securely. Connect air
supply hose from compressor to crows foot, attached to
lubricator. For safety, always install hair pins when
completing crows foot connections. Turn air supply
control handle to open position. Start compressor. After
the machine vibrators are running, turn the air supply
down slowly to operating pressure (30 - 75 PSI), check
sight dome for proper oil flow (2 - 4 drops per second),
turn screw counter-clockwise (+) for more oil, clockwise (-
) for less oil. Do not turn screw too far in or out, this will
shut off the oil completely. When oil flow is properly set,
you are ready for the pour.
TO START UP NEW MACHINE:
•Make sure tape on all vibrators exhaust ports
is removed.
•Use special A88/NR Break-in Oil.
•Pour about 3 ounces of break-in oil into hose
from lubricator to top pipe crows foot
connection.
•Run screed with bursts of air, at intervals, until
all vibrators are lubricating. You will see an air
oil mist coming from the vibrators. Hold your
hand at the exhaust ports. This mist should
feel oily.
•Run vibrators 2 - 3 minutes at a time, up and
down in pressure, for a total of 15 minutes.
This will seat the piston to the barrel inside the
vibrator.

OPERATIONS
SECTION 1
S1-14
• ATTACHING WINCHES TO FORM STAKES •
The figure below illustrates the proper way to attach the winch cables to the form stakes. This is the
only way that the cables should be attached. If the cables are not attached properly, the cables
could snap loose causing severe injury to finishing personnel surrounding the screed.
FIRST STAKE FROM END
SECOND STAKE FROM END
WINCH CABLE
CABLE HOOK
• DETERMINING LEFT AND RIGHT OF
The following illustration shows all the key information on how to determine the left and right
and the front and rear of a screed section.
Note the circle with the serial
number.
This is probably the easiest way to
determine the left and right sides of
the screed assembly. The right side
has the model number and the a 5-
digit serial number. The left hand
side is only stamped with an “L”.
Also the front of the screed is
determined by the two screed blades
mounted back-to-back. The rear of

• STRING LINING •
OPERATIONS
SECTION 1
To string line your screed, there
are a few important steps that
need to be followed.
•Place screed ends on a 2 x 6
or other wooden type support.
•At approximately 1” out from
the leading edge of the screed
blade, drive a nail into the
wooden support. NOTE: Nail
should be on the outside of the
wooden support.
•Stretch a line as tight as
possible from nail to nail.
Make sure that the nail is
contacting each support at the
point of blade contact.
•NOTE: The supports do not
have to be on the same level.
•Use a short, flat piece of metal
or wood as a gauge block to
compare the string to the
bottom surface of the screed
blade and bullfloat blade.
•The blades should be equal to
each other at each splice. If
they are not even, loosen jam
nuts and tighten top pipe
coupler as described on page
S1-12.
NOTE: Always string line your
S1-15

OPERATIONS
SECTION 1
• END HANDLE ASSEMBLY •
The following figure shows the proper way to mount a standard end handle to the screed section.
Do not try to modify this mounting procedure, this is the only way to mount the end handles where
they will work properly.
Follow the steps below to properly mount the end handles to your screed.
•Mount the bearing onto the bearing support bracket.
•Mount the handle grips onto the lifting handles.
•Mount the lifting handles onto the end handle using two 3/8 x 2 bolts and 3/8 nylon lock nuts.
•Mount the bearing support bracket to the end handle using four 1/4 x 1 1/2 bolts and 1/4 stover
nuts.
•Mount the end handle to the screed using three 1/2 x 3/4 bolts, three 1/2 x 1 bolts and six 1/2 hex
nuts. Screw the appropriate adaptor for the end you are working on onto the top pipe. Next, using
S1-16

PARTS
SECTION 2
S2-1
PARTS
• TABLE OF CONTENTS •
1. TABLE OF CONTENTS.....................................................................................S2-1
2. ASSEMBLY OF 2’ AIR SCREED SECTION .....................................................S2-2
3. ASSEMBLY of 2-1/2’ AIR SCREED SECTION.................................................S2-3
4. ASSEMBLY of 5’ AIR SCREED SECTION.......................................................S2-4
5. ASSEMBLY of 7-1/2’ AIR SCREED SECTION.................................................S2-5
6. ASSEMBLY of 10’ AIR SCREED SECTION.....................................................S2-6
7. END HANDLE ASSEMBLY...............................................................................S2-7
8. WINCH ASSEMBLY ..........................................................................................S2-8
9. HYDRAULIC WINCH ASSEMBLY ....................................................................S2-9
10.AIR CONTROL SYSTEM ASSEMBLY..............................................................S2-10
11.NOTES ...............................................................................................................S2-11