4.5 HP vibratory Screed
Model 96126
aSSeMbly and oPeration inStructionS
Due to continuing improvements, actual product may differ slightly from the product described herein.
distributed exclusively by Harbor Freight tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
to Prevent SeriouS injury, read and underStand
all warningS and inStructionS beFore uSe.
Copyright© 2007 by Harbor FreightTools®. All rights reserved. No portion of this manual
or any artwork contained herein may be reproduced in any shape or form without the
express written consent of Harbor Freight Tools.
For technical questions or replacement parts, please call 1-800-444-3353.
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intended. Do not modify this tool and do not use this tool for a purpose for which it was
not intended.
6.
dress properly. Do not wear loose clothing or jewelry as they can be caught in
moving parts. Protective, electrically nonconductive clothes and nonskid footwear are
recommended when working. Wear restrictive hair covering to contain long hair.
7.
8.
use eye protection. Always wear ANSI approved impact safety goggles.
do not overreach. Keep proper footing and balance at all times. Do not reach over or
across an engine, Screed or other machines while in use.
9.
Maintain tools with care. Keep tools clean and maintained for better and safer
performance. Follow instructions for lubricating and changing accessories.The handle
must be kept clean, dry, and free from oil and grease at all times.
10.
11.
Stay alert. Watch what you are doing, use common sense. Do not operate any tool
when you are tired.
check for damaged parts. Before using any tool, any part that appears damaged
should be carefully checked to determine that it will operate properly and perform its
intended function. Check for alignment and binding of moving parts; any broken parts
or mounting fixtures; and any other condition that may affect proper operation. Any part
that is damaged should be properly repaired or replaced by a qualified technician. Do
not use the tool if any switch does not turn On and Off properly.
12.
13.
14.
15.
replacement parts and accessories. When servicing, use only identical replacement
parts. Use of any other parts will void the warranty. Only use accessories intended for
use with this tool. Approved accessories are available from Harbor Freight Tools.
do not operate tool if under the influence of alcohol or drugs. Read warning labels
if taking prescription medicine to determine if your judgment or reflexes are impaired
while taking drugs. If there is any doubt, do not operate the tool.
be aware that prolonged exposure to vibration can lead to personal injury (which
may include hand, wrist and arm injury). If you experience discomfort or pain after
using this tool, you should contact your physician prior to further use of the tool.
Maintenance. For your safety, service and maintenance should be performed regularly
by a qualified technician.
16.
17.
warning! Stand clear of the Screed when it is in operation. Keep unnecessary
spectators away from this machine while in operation. Never ride on Screed.
warning! Fire Hazard. Do not fill gas tank when engine is running or hot. Do not
operate engine near spilled gasoline. Clean spilled gasoline before starting engine. Do
not store or handle gasoline near pilot light, electrical equipment or open flame. Do not
smoke near gasoline.
18.
warning! carbon Monoxide Hazard. OperateVibratory Screed in well ventilated area
only. Carbon Monoxide is created when engine is running and is a DEADLY gas when
inhaled.Carbon Monoxide is a colorless, odorless gas.Early signs of Carbon Monoxide
SKU 96126
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poisoning resemble Flu symptoms such as headache, dizziness or nausea.If you notice
these signs, turn off engine and immediately move to a well ventilated area.
19.
20.
warning! burn Hazard. The engine becomes hot during operation. Do not touch the
engine until it has cooled down after use.
warning:the warnings, cautions, and instructions discussed in this instruction
manual cannot cover all possible conditions and situations that may occur. It
must be understood by the operator that common sense and caution are factors which
cannot be built into this product, but must be supplied by the operator.
unPacKing
When unpacking, check to make sure the item is intact and undamaged. If any parts
are missing or broken, please call Harbor Freight Tools at the number on the cover of this
manual as soon as possible.
vibration Hazard
This tool vibrates during use. Repeated or long-term exposure to vibration may cause
temporary or permanent physical injury, particularly to the hands, arms and shoulders.
To reduce the risk of vibration-related injury:
1.
2.
Anyone using vibrating tools regularly or for an extended period should first be examined
by a doctor and then have regular medical check-ups to ensure medical problems
are not being caused or worsened from use. Pregnant women or people who have
impaired blood circulation to the hand, past hand injuries, nervous system disorders,
diabetes, or Raynaud’s Disease should not use this tool. If you feel any medical or
physical symptoms related to vibration (such as tingling, numbness, and white or blue
fingers), seek medical advice as soon as possible.
Do not smoke during use. Nicotine reduces the blood supply to the hands and fingers,
increasing the risk of vibration-related injury.
3.
4.
Wear suitable gloves to reduce the vibration effects on the user.
Use tools with the lowest vibration when there is a choice between different
processes.
5.
6.
Include vibration-free periods each day of work.
Grip tool as lightly as possible (while still keeping safe control of it). Let the tool do the
work.
7.
To reduce vibration, maintain the tool as explained in this manual. If any abnormal
vibration occurs, stop use immediately.
REV 07j
SKU 96126
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aSSeMbly
Your Vibratory Screed is shipped assembled, except for attachment of the handle.
assemble the Handle and Spreaders
1.
2.
3.
Attach the (2) Lower Handles (31) to the Upper Handle (27) using Hex Bolts (30) and
Locking Hex Nuts (17). Tighten securely.
Attach the Handle Assembly to the Handle Brackets (34), using Hex Bolts (32), Hex
Washers (33) and Hex Lock Nuts (20).
Install Spreader Boards (not included) into the Frame (1). For most applications, use
standard 2x4 or 2x6 boards of equal length. Specially shaped boards or spreaders of
other material can be fabricated and used as required for special circumstances. The
Spreader Boards should be installed in the U Channels of the Frame (1), and centered
overall in the Vibratory Screed tool. Tighten the boards into place using the L Bolts (3)
and Wing Nuts (2) installed on the Frame (1).
4.
5.
Check the installation of the Screed Boards on a flat surface to be sure they are level.
You may have to adjust them before beginning work.
Recheck all bolts and fasteners periodically during work to ensure the assembly remains
stable, safe and level.
check the engine
1.
2.
caution: to prevent accidental starting, remove the spark plug wire before
working on the engine.
warning:only operate the engine in a well ventilated area.When running, gasoline
engines produce Carbon Monoxide, a deadly, odorless and colorless gas which is highly
toxic. Please review safety warnings on page 3 for more information.
3.
4.
warning: do not add gasoline while engine is running or is hot. Gasoline is
extremely flammable. Spilling gasoline on a hot engine may cause fire or explosion.
Every time before starting engine, remove Oil Cap and check Oil Level.You can read
the oil level on the dip stick. If the oil level is low, add oil until the level is in the correct
range on the dip stick. DO NOT OVERFILL. In warm weather, use SAE 30 weight oil. In
cold weather, use SAE 5-20 multigrade oil.Follow instructions in engine manufacturer’s
owner’s manual for specific oil maintenance.
SKU 96126
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Starting the engine
1.
2.
The engine supplied with your Vibratory Screed is the Robin EX13 model.This engine
has a manual choke, manual throttle control and centrifugal clutch. This is a 4-cycle
engine which runs on“regular”gasoline and does not require oil to be mixed in the gas.In
addition to the recommendations below, follow the instructions for starting and operating
the engine as well as all safety instructions provided by the engine manufacturer.
Before starting, check to see that there is gasoline in the fuel tank. If the fuel level is
low, fill with fresh, clean “regular” gasoline. Do not add oil to the gasoline.
3.
4.
5.
6.
Close the manual choke all the way.
Pull the starting cord 3 or 4 times to introduce gasoline vapor into the cylinder.
Move the manual choke to its 1/2 closed position.
Gently pull on the starting cord until tension is felt. Ease on the cord to allow it to retreat
fully. Pull hard on starting cord. The engine should start with the first or second pull.
7.
8.
Once the engine is started, let it warm up. As it warms, gradually open the choke until
it is fully open.You may then begin to use the tool.
If the engine does not start or run properly following these procedures, check the
troubleshooting section in the engine manufacturer’s owners manual.
oPeration
1.
This Vibratory Screed tool is designed for leveling and settling freshly poured cement
in a form.This Owner’s Manual assumes that the operator has an understanding of the
use of concrete and cement products.
2.
3.
The site must be properly designed and prepared according to the intended use, local
building codes, and characteristics of the site.
The ground must be dug out, leveled or sloped appropriately, and the form created with
2x4 or 2x6 material. The form must be level or slightly sloped as desired. The screed
will ride along the upper surface of the form. The form must be sturdy and properly
staked into position.
4.
5.
6.
7.
If the Screed Boards exceed a length of 15’, use the Spreaders (37 and 38) to keep
the Screed Boards apart.
Pour in and spread the underlayment, which may be sand or gravel. If needed, position
rebar or mesh reinforcement. Expansion bars may also be positioned if needed.
Pour in the cement mixture, and spread it with shovels to fill the form and roughly
smooth the concrete.
Place the Screed on one end of the form and start the engine. To do this, turn the
engine switch to on. Then pull on the engine throttle.
REV 07g
SKU 96126
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8.
Once the engine has warmed up, increase engine speed to engage the Clutch (25)
and start vibrating the tool.
9.
The Screed may be pulled or pushed along the form using the Handle (27). It may also
be pulled along the form using Ropes and Grips (35, 36).
10.
The Screed will level the concrete mixture even with the top of the form. During the
Screed operation, use a shovel to fill in any gaps in the concrete. It may be necessary
to make more than one pass along the form to create a smooth and level surface.
11.
12.
In addition to leveling the concrete, the vibration of the Screed improves the characteristics
of the concrete mixture.The vibration causes heavier aggregate elements to sink lower
in the mixture, and smaller elements to come to the top. This results in a smoother
surface which is easier to properly finish .
Once the concrete mixture is properly leveled and the desired surface is achieved, shut
the engine off by turning engine switch to oFF. Remove the Screed from the form and
proceed with standard concrete finishing operations.
13.
14.
Allow the Engine to cool.
After each use of the Screed, rinse it thoroughly with water to remove cement fromWing
Nuts (2) L Bolts (3), and any other parts that may be damaged by cement accumulation.
Wipe down the machine and store it properly. Avoid splashing water on the engine and
the gasoline refill cap.
Maintenance
Keep the Screed clean and dry.
1.
2.
3.
Periodically lubricate the Wing Nuts (2) and L Bolts (3).
Periodically check the Drive Belt (4). Be sure it is tight and in good condition. Replace
the belt if it is cracked or damaged. To replace the belt, remove the four Engine Mount
Bolts (24). Rotate the engine on the Eccentric (11). Pull off the Drive Belt (4). Replace
the belt, rotate the engine back on the eccentric, and replace the engine mount bolts.
Tighten securely.
4.
5.
Check the oil level every time before using the engine. Fill oil if necessary. If oil leaks are
detected, or the engine is using excessive oil, contact a qualified service technician.
Drive Belt Adjustment: Tighten or loosen the Drive Belt by loosening the four Engine
Mount Bolts (24), adjusting the position of the Engine and retightening the bolts. Never
operate the engine while the Engine Mount Bolts are loose.
6.
Have a qualified service technician periodically service the Gasoline Engine (23).
REV 07g
SKU 96126
For technical questions, please call 1-800-444-3353
Page 7
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troubleSHooting
1.
Engine does not start or runs rough:Check fuel and oil levels to be sure they are witihin
range. Check spark plug wire to be sure there is a good connection. Check spark plug
gap to be sure it is clean and within range as listed in engine manufacturer’s owners’s
manual.Review the instructions given on page 5 for starting and operating the engine.If
engine trouble persiste, take the machine to a qualified service technician for service.
PartS liSt - vibratory Screed
Part
description
Q’ty
1
Part
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
description
Hex Lock Nut m12
Q’ty
20
1
1
2
3
4
5
6
7
8
9
Frame
Wing Nut m12
L Bolt
10
10
1
Pin
O Ring m8
8
Drive Belt A710
Sheave
Gasoline Engine Robin EX13
Engine Mount Bolts m8x45
Clutch
1
1
4
Hex Lock Screw m8x10
Hex Bolt m8x20
Eccentric Guard
1
1
4
Bracket
1
1
Upper Handle
Hex Bolt m8x25
Belt Guard
1
Pillow Block with Bearing
UELP205
2
4
1
10
11
12
13
14
15
16
17
18
19
Pin
1
1
4
4
4
2
8
9
4
1
Hex Bolt m8x30
Lower Handle
Hex Bolt m12x35
Washer m12
Handle Bracket
Grip
4
Eccentric
2
Flat Washer m10
Lock Washer m10
Hex Bolt m10x40
Nut Plate
2
6
2
2
Shock Mount
Hex Lock Nut m8
Washer
Rope
2
Left Spreader
Right Spreader
1
1
Motor Base
PleaSe read tHe Following careFully
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDEDTHE PARTS LIST AND ASSEMBLY
DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR
DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER
THAT HE OR SHE IS qUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR
SHE IS qUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER
AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS
SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY THE
BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS
TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS
OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
SKU 96126
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liMited 90 day warranty
Harbor FreightTools Co.makes every effort to assure that its products meet high quality
and durability standards, and warrants to the original purchaser that this product is free from
defects in materials and workmanship for the period of 90 days from the date of purchase.This
warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or
accidents, repairs or alterations outside our facilities, criminal activity, improper installation,
normal wear and tear, or to lack of maintenance. We shall in no event be liable for death,
injuries to persons or property, or for incidental, contingent, special or consequential damages
arising from the use of our product. Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above limitation of exclusion may not apply to
you.THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS
OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with
transportation charges prepaid. Proof of purchase date and an explanation of the complaint
must accompany the merchandise. If our inspection verifies the defect, we will either repair or
replace the product at our election or we may elect to refund the purchase price if we cannot
readily and quickly provide you with a replacement. We will return repaired products at our
expense, but if we determine there is no defect, or that the defect resulted from causes not
within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which
vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
SKU 96126
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aSSeMbly diagraM - vibratory Screed
2
3
record Product’s Serial number Here:
note: If product has no serial number, record month and year of purchase instead.
note: Some parts are listed and shown for illustration purposes only, and are not available
individually as replacement parts.
SKU 96126
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