Smith SPS8 Gas User manual

SPS8 Gas
Multi-Use Surface Preparator
User Manual
[phone]
www.SMITHMFG.com
MANUFACTURING
Cutters / Removers / Parts / Support
1-800-653-9311
www.SmithMfg.com
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1p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SPS8
VERSION 10/2016
Gas
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
INTRODUCTION
2
Congratulations on purchasing
the SPS8™ Surface Preparator from
SMITH Mfg. Company.
Your machine will:
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BEFORE START-UP,
READ THIS..
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INDEX
2p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
VERSION 10/2016
SPS8
Gas
3
UNCRATING EQUIPMENT
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Incorrect use of the surface preparator can
result in property damage, personal injury,
or death. Be sure to read and follow all
directions and precautions as outlined in
this manual.
SAFETY GUIDELINES
3p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SPS8
VERSION 10/2016
Gas
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
YOUR SPS8TM SURFACE PREPARATOR
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4
4p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
VERSION 10/2016
SPS8
Gas
MACHINE START-UP
Do not start machine while drum is in
contact with the ground. Doing so can
cause the operator to lose control of the
machine, resulting in property damage
and/or personal injury.
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on electric motor): ,QWKHHYHQWRID
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*NOTE: the Engine will not start without the
Corded Engine Kill’s clip securely in place.
CAUTION: The machine will still move with
the engine off.
IF THE ENGINE DOES NOT
START
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*Engine repair and engine warranty
issues are handled directly
by your local engine service center.
5
5p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SPS8
VERSION 10/2016
Gas
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SUBSTRATE REMOVAL
Warning: Should you desire to tilt the
machine, always tilt forward. Tilting the
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the spark plug with oil and may cause
damage to your engine!
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6
6p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
VERSION 10/2016
SPS8
Gas
STORAGE
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ORDERING
To ensure product safety and reliability,
and to maintain your warranty, always use
genuine replacement cutters and parts
from SMITH when making repairs to the
equipment.
:KHQRUGHULQJSOHDVHVSHFLI\WKHPRGHODQG
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for information.
9LVLWRXUZHEVLWHDW
www.smithmfg.com
WARRANTY CLAIMS
7KHPDQXIDFWXUHUUHVHUYHVWKHULJKWWR
FKDQJHRULPSURYHWKHPDFKLQHGHVLJQZLWK-
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WRGHWHUPLQHWKHDSSURSULDWHDFWLRQ
Any and all transportation charges are to
be borne by the purchaser.
7
7p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SPS8
VERSION 10/2016
Gas
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
TROUBLESHOOTING
PROBLEM
Possible Reason(s)/Solution(s)
CUTTERS WEARING
UNEVENLY/PREMATURELY
Drum is too low
Incorrect set-up
Material Build-up
Cutters too tightly loaded
Wrong cutters for
application
CUTTERS SHAFT BREAKAGE
UNEVENLY/PREMATURELY
Drum is too low
End plates or bushings worn
Shafts worn
Wrong cutter set-up
Over 40 hours service-life
DRUM WEARING
PREMATURELY OR CRACKING
Drum hitting ground
Shafts and bushings not replaced
within 40 hours
EXCESS VIBRATION
Bearing worn
Hex bushing worn
Drive shaft worn
Improper cutter set-up
Drum contacting ground
Wheels worn out
MACHINE JUMPS
ERRATICALLY
Drum hitting ground
RPM is too low
Surface is severely uneven
DRIVE BELT WEARING
PREMATURELY
Pulley is misaligned
Wrong belt
Drum is contacting
the surface
CAM LEVER WILL NOT
RAISE/LOWER
Raise or lower hand-wheel
HAND-WHEEL WON’T
TURN
Clean & grease threads
Linkage may be bent
Hand-wheel may be
out of position
*Engine repair and engine warranty
issues are handled directly
by your local engine service center.
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or
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or


8p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
VERSION 10/2016
SPS8
Gas
MAINTENANCE CHECK LIST
Note: 0DNHVXUHWKHLJQLWLRQLVLQWKHOFF
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9
9p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SPS8
VERSION 10/2016
Gas
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
DRUM REPLACEMENT
Normal use will require periodic drum in-
spection and may necessitate drum replace-
ment.
Time of replacement will vary according to
usage and load factors.
Replacement is easy and requires a few hand
tools.
1. 3/4” socket or wrench
2. 1” open-end wrench
3. 1” socket or second 1” wrench
4. Rubber mallet
Before beginning servicing on any
gasoline-powered unit,
DISCONNECT SPARK PLUG WIRE!
$ *TIP: SMITH recommends owning an extra
drum loaded with cutters for rapid job-sight
replacements, and to ensure that the 6 cut-
ter shafts and 12 drum bushings are replaced
every 40 hours, or prior to bushing wear, to
increase the life of the drum.
10
1. Tip the machine over towards the FRONT
as shown below. Remove the belt guard
using the 3/4” socket or wrench (A) and
place the 1” wrench over the hex shaft to
prevent it from rotating (B).
%
2. With the shaft rotation locked, remove
the 2 hex nuts locking it in place using a 1”
socket or a second wrench.
***NOTE: Hex nuts are LEFT HANDED
THREAD meaning they loosen in the
clockwise direction ***
 2QFH WKH KH[ QXWV DUH RII ¿UVW VXSSRUW
the drum and then remove the shaft by slid-
ing it out towards the sideplate side of the
machine. (use precaution as it is HEAVY)

10 p1800 422 992
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SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
VERSION 10/2016
SPS8
Gas
BELT REPLACEMENT
Normal wear may necessitate belt
tensioning or replacement.
Time of replacement will vary according to
usage and belt load factors.
Replacement is easy and requires a few
hand tools.
1. Two 9/16” wrenches
2. 3/4” wrench
3. 3/8” open-end wrench
4. Carpenters square or a straightedge
5. WD40
6. Spark plug wrench
Before beginning servicing on any
gasoline-powered unit,
DISCONNECT SPARK PLUG WIRE!
1. Make sure the removable side cover is
installed. This ensures the drive ends are in
the proper position for servicing.
2. Disconnect the spark plug.
3. Clean the machine exterior so you can
locate all the appropriate parts.
4. Using a 3/4” wrench, remove the two
acorn nuts attaching the belt cover to the
side of the machine. Remove the cover and
set it aside.


5. Lubricate the motor plate (belt
tensioning) jackscrew with WD40 on the
front left of the machine.
6. Use a 9/16” wrench to loosen the jack-
screw jam nut.
7. Using the 3/8” open-end wrench, begin to
screw the motor plate jackscrew back into
the long hex nut below it. Continue to screw
it in until resistance is felt.


11
11 p1800 422 992
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E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SPS8
VERSION 10/2016
Gas
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
BELT REPLACEMENT
(CONTINUED)
8. Loosen (do not remove) the four bolts (2
per side) that secure the motor mount plate
to the main machine frame.
9. Loosen the four bolts attaching the
PRWRUWRWKHPRWRUSODWH$IWHUVXI¿FLHQWO\
loosening all four, slide the motor back all
the way to the rear. This will loosen the belt
VXI¿FLHQWO\WRUHPRYHLW
10. Either cut or roll off the belt from the
pulleys. If you roll it off, move it over one
groove at a time on the upper and lower
pulleys to completely remove it


11. Roll the new belt on one groove at a
time (two or single multi-groove belt) on
both the top and bottom pulleys.
12. Using the straight edge, lay it across the
lower pulley outer face and against the
upper pulley. They must be directly over
top of each other to ensure optimum belt
life. If adjustment is required, align before
tensioning the belt.
13. After installation, use the 3/8” open-end
wrench to screw out the belt tensioning
jackscrew under the motor plate to tension
the belts to your desired tension. Do not
over-tension the belt.
14. After the correct tension is reached,
tighten the front motor plate securing screw
on the belt side with the 9/16” box end
wrench.



15. Now from the front of the machine
observe the motor plate to machine
alignment. Tightening the belts with the
jackscrew tends to cause the right side of
the motor plate to lift higher than the left
side. By pushing down on the right front
side you can level the plate and then
tighten the front right screw to secure in a
level position.
12
12 p1800 422 992
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SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
VERSION 10/2016
SPS8
Gas
BELT REPLACEMENT
(CONTINUED)
18. Replace the belt cover using the 3/4“
box wrench.
19. Replace the spark plug and the spark
plug wire.
16. Now tighten the rear securing bolts with
the two 9/16” wrenches.
17. Tighten the motor plate jackscrew re-
taining nut with a 9/16” wrench to prevent it
from turning.



BELT ALIGNMENT
If the unit has premature belt wear, breakage
or pulley problems, the issue may be
incorrect alignment or excessive belt
tensioning. All pulleys must be aligned
directly above each other to ensure belt
integrity. This includes possible timing belts
used on newer models. Incorrect alignment
wears the sides of the belts excessively and
will cause slippage.
1. Use a long straight edge (carpenters
square) to check alignment during belt
tensioning or belt replacement time.
2. By laying the straight edge against the
outer face of the lower pulley, the square will
extend up and rest against the outer face of
the upper (engine pulley). If not, move the
motor pulley in or out to obtain alignment.
3. If replacing pulleys (top or bottom) be sure
to place the pulley on the same plane as the
original one to ensure alignment.
13
13 p1800 422 992
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A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SPS8
VERSION 10/2016
Gas
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
BEARING REPLACEMENT
Before reading ahead go back and follow
the instructions on how to remove the belt
from the machine. Bearing replacement is
easy and requires a few additional hand
tools.
1. 7/16” socket or wrench
2. 1/2” socket or wrench
3. 1” open-end wrench
4. 1” socket or second 1” wrench
4. C-clip removal pliers
5. 5/32” Hex Key
Before beginning servicing on any
gasoline-powered unit,
DISCONNECT SPARK PLUG WIRE!
1. Once the belt is removed from the ma-
chine, tip the machine over towards the
FRONT and place the 1” wrench over the
hex shaft to prevent it from rotating.
2. With the shaft rotation locked, remove
the 2 hex nuts locking it in place using a 1”
socket or a second wrench.
***NOTE: Hex nuts are LEFT HANDED
THREAD meaning they loosen in the clock-
wise direction ***
Once the hex nuts are off, you can remove
the shaft by sliding it out towards the side-
plate side of the machine.


3A. Remove the 2 screws in the pulley bush-
ing using the 7/16” socket and insert them
by hand into the 2 threaded holes as shown
¿JXUH%
$
14
14 p1800 422 992
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A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
VERSION 10/2016
SPS8
Gas
BEARING REPLACEMENT
(CONTINUED)
6. At this point remove the hex bushings
from the side plate side bearing assembly
by removing the set screws using the 5/32”
hex key.

%(/76,'(
7. With the hex bushings out, the both the
bearings and housings are the same. To
remove the bearing from the housing use
the 1/8” hex key to remove the set screw on
the housing and then tap out the bearing us-
ing a mallet.

8. Reverse the process and apply thread
ORFNLQJÀXLGORFWLWHWRWKHVHWVFUHZV
3B. Once both screws are in, begin to turn
them using a socket and do so EVENLY
in order to allow the bushing to back out
smoothly. Once the bushing is out, remove
the pulley and key.
%
4. At this point the shaft driver must be
removed by using the C-clip removal pliers
for the retaining ring and a 5/32” hex key for
the 2 set screws.

5. Remove the bearing assemblies on both
sides on the machine using the 9/16” socket
15
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SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SPS8
VERSION 10/2016
Gas
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
OPTIONAL EQUIPMENT
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SHOWN ON SPS10, SPS8 COMPATIBLE
16
16 p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
VERSION 10/2016
SPS8
Gas
OPTIONAL EQUIPMENT
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SHOWN ON SPS10, SPS8 COMPATIBLE
17
17 p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SPS8
VERSION 10/2016
Gas
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
OPTIONAL EQUIPMENT
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SHOWN ON SPS10, SPS8 COMPATIBLE
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18 p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
VERSION 10/2016
SPS8
Gas
OPTIONAL EQUIPMENT
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SHOWN ON SPS10, SPS8 COMPATIBLE
19
19 p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie

SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
SPS8
VERSION 10/2016
Gas
SMITH Manufacturing 1-954-941-9744 www.SmithMfg.com
OPTIONAL EQUIPMENT
t UP-CUT CART
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SHOWN ON SPS10, SPS8 COMPATIBLE
20
20 p1800 422 992
Wwww.allprep.com.au
E [e-mail]
A1/40 rivergate place, murarrie