Shopsmith PowerPro 556191 User manual

PowerPro – LIFT ASSIST 556191
1
PowerPro
Lift Assist
556191
INTRODUCTION
SAFETY
WARNING
Please read, understand and follow:
ALL of the assembly and alignment pro-
cedures covered in this instruction sheet
prior to installing your PowerPro Lift As-
sist.
Headstock distance Pounds of effort Pounds of effort
from left side required required
of MARK V w/o Lift Assist WITH Lift Assist
0” 65# 25#
8" 57# 20#
12" 50# 12#
20" 35# SELF-LIFT
TT
TT
Tools Neededools Needed
ools Neededools Needed
ools Needed
• 7/16" Open End Wrench
• 1/2" Open End Wrench
• Adjustable Wrench
• Small, Straight-Bladed Screwdriver
The Shopsmith Powerpro Lift Assist is a
great accessory that will significantly reduce
the amount of effort required to raise the Ma-
chine into full vertical (Drill Press)position.
The table below compares pounds of lifting
effort required with and without the Lift As-
sist.
Make sure the Mark is turned off and un-
plugged before assembling and adjusting
the Lift Assist. Always use proper Safety Equipment and
Procedures when operating machines.
Be sure to tighten all hardware securely
before using.
To avoid damage to your machine and
possible personal injury:
jjjjjDuring assembly and installation of
the Lift Assist, both the Arm Lock
Knob and the Pivot Lock Knob must
be secured on the right end of the
machine. The Lift Assist is installed in
the vertical drill press mode of your
machine and if both of these locks are
not secured the force of the gas cylin-
der will cause parts of the machine to
slip out of position.
jjjjjMake sure that both pivot lock knobs
are secured for ALL horizontal ma-
chine operations. If they are not se-
cured during all horizontal operations
the force of the gas cylinder will push
parts of the machine out of position.
jjjjjBefore lifting the right end of the ma-
chine, for under-table operations, be
sure to pivot the machine up to the
standard vertical drill press position,
lock the machine in this position and
use the Quick Disconnect to remove
one end of the Gas Cylinder from the
Upper Mount of the Lift Assist. Only at
that time, can the machine be lowered
and then pivoted up to the left for un-
der table operations. Failure to dis-
connect the Gas Cylinder from the
Upper Mount will result in the force of
the gas cylinder pushing parts of the
machine out of position.
WARNING

PowerPro – LIFT ASSIST 556191
2
REF. PART
NO. # DESCRIPTION QTY
1 Not Used
2 522332 . Cap ................................................ 8
3 522334 . Upper Mount .................................. 1
4 522336 . Long Lower Tie .............................. 1
5 522333 . Lower Mount .................................. 1
— 522439 . Hardware Pack (Includes 6-12)
6 522338 . . Threaded Ball Stud ..................... 2
7 522339 . . 1/4"-20 x 2-3/4" Hex Head Bolt .... 4
8 522343 . . 1/4"-20 x 3-1/4" Hex Head Bolt ... 12
9 120380 . . 1/4" Split Washer ......................... 16
10 120375 . . 1/4"-20 Hex Nut .......................... 16
11 120214 . . 5/16" Split Washer....................... 1
12 102634 . . 5/16" Hex Nut .............................. 1
13 522809 . Gas Cylinder (PowerPro) ............... 1
Figure 1
8
8
7
7
2
4
2
2
62
9
10
6
9
10
LOWER ASSEMBLY
UPPER ASSEMBLY
8
8
8
2
2
8
2
2
9
3
6
9
10 11
12
13
10

PowerPro – LIFT ASSIST 556191
3
INSTALLATION
Your PowerPro Lift Assist comes disassem-
bled and must be mounted to your MARK
correctly to ensure proper operation.
1. First, remove the Worktable from the
Carriage and slide the Headstock to
within about 12" of the left side (top) of
the machine. Slide the Carriage to the left
untilittouchestheHeadstockandtighten
theHeadstock&CarriageLockssecurely.
2. Stand the MARK up into vertical (Drill
Press) position and tighten the Arm Lock
Knob.
Mounting Lower Assembly to
the Bench Tubes
3. Begin laying a Cap (2) across the top of
each Bench (lower) Tube, at the Base &
Base Arm (right) end of the MARK. (See
Figure 2) They should be positioned all
the way to the right, solidly against the
Base.
Lay the Lower Tie (4) across the tops of
the two Caps...with its vertical surface
projecting upwards, and against the
MARK Base. See Figure 1 for proper
orientation.
4. Drop four 3-1/4" LONG Bolts (8) down
through the Lower Tie & Cap holes that
mount to the back Bench (lower) Tube.
5. Install a Cap (2), followed by the Lower
Mount (5) over the bolts protruding un-
derthebackBenchTube...sothethreaded
holeformountingtheThreadedBallStud
(6) is facing towards the front of the
MARK, as shown in Figure 1.
Install four 1/4" Split Washers and
1/4"-20 Hex Nuts over the Bolts and
finger tighten.
6. Drop four 2-3/4" SHORT Bolts (7) down
through the Lower Tie & Cap holes that
mount to the front Bench Tube. Install a
Cap(2) followedby four1/4"SplitWash-
ers and 1/4"-20 Hex Nuts over the Bolts
and finger tighten.
7. Install a Threaded Ball Stud (6) onto the
Arm of the Lower Mount, as shown in
Figure 3 and tighten with a wrench. See
Figure 1 for proper orientation.
Figure 2
Figure 3

PowerPro – LIFT ASSIST 556191
4
Mounting Upper Assembly to
the MKV Way Tubes
8. Install four 3-1/4" LONG Bolts (8)
through the Cap (2) holes that mount to
theback Way(upper)TubeoftheMARK.
9. Next, install a Cap (2), followed by the
base of the Upper Mount ( 3) to the back
Way Tube, so that the Mount is sweep-
ing downward (when the MARK is in
horizontal position) and toward the left
of the machine, as shown in Figure 1.
Install four 1/4" Split Washers (9) and
1/4"-20 Hex Nuts (10) over the Bolts and
finger tighten. (See Figure 4)
10. Install four 3-1/4" LONG Bolts (8)
through the Cap holes that mount to the
front Way Tube. Install a Cap (2) fol-
lowed by four 1/4" Split Washers and 1/
4"-20 Hex Nuts over the Bolts and finger
tighten.
Figure 4
11. Install the second Threaded Ball Stud
onto the arm of the Upper Mount, as
shown in Figure 5.
Figure 5
Install the 5/16" Split Washer (11) and
5/16" Nut (12) onto the end of the
Threaded Ball Stud and tighten.
NOTE:
Be sure the Ball is protruding toward the
back of the MARK. See Figure 1 for proper
orientation.
CYLINDER INSTALLATION
AND ADJUSTMENT
12. The next step is to install and adjust the
Gas Cylinder (13). This Cylinder was
shipped in the full extended position
and needs to be mounted while in this
position.
TRIAL ASSEMBLY
It is important to note that virtually all instal-
lations will require the adjustment of either
the Upper or the Lower Mount
Assembly.
With the MARK still in vertical position, hold
the Gas Cylinder against the Ball Studs on the
UpperandLowerMountsandnotetheproper
orientation of these Studs relative to the re-
ceptors on the ends of the Cylinder. When
assembled, the Cylinder must be positioned
with its larger diameter with quick release

PowerPro – LIFT ASSIST 556191
5
end connected to the Ball Stud on the Upper
Mount – and its smaller diameter end con-
nected to the Ball Stud on the Lower Mount.
For proper orientation, see Figure 1.
Once the adjustment is finalized (in Steps
#13-15), the Cylinder is mounted by:
I. Snap the Ball Receptor on the small end of
the cylinder on the Ball Stud in the Lower
Mount, see figure 6.
II. The quick-release end of the Gas Cylinder
is cylindrical with a knurled surface and a
round notch. Follow steps II-a, II-b, & II-c
below to install this end of the gas cylin-
der.
a. Be sure the round notch aligns with
the Ball Recess inside the receptor. To
align this notch with the ball recess,
rotate the outer sleeve until the round
notch aligns with the receptor inside.
b. Firmly grasp the knurled surface of
the outer sleeve and pull it toward the
opposite end of the cylinder. You will
seethe ball receptor open up,as shown
in Figure 7.
c. Slip the open receptor over the ball
end of the Threaded Ball Stud on the
Upper Mount and release the outer
sleeve on the Gas Cylinder
III. To remove this end of the Gas Cylinder,
reverse the order of steps “II-c” and “II-b”.
ADJUSTMENT
Since the Balls seldom align directly with the
Cylinder receptors, some adjustment will
normally be required to either the Upper
or Lower Lift Assist Assembly.
13. Before making any adjustments, be cer-
tain:
• The Upper Lift Assist Assembly is
against the MARK’s Base Arm.
• The Lower Lift Assist Assembly is
against the MARK’s Base Casting.
• All Assembly nuts are finger-tight.
When the Cylinder is properly installed and
the Upper and Lower Lift Assist. Assemblies
positioned correctly – the Cylinder receptors
should rotate freely and pop easily onto and
Figure 6
Figure 7

PowerPro – LIFT ASSIST 556191
6
off the Ball Studs without compressing or
extending the Cylinder.
14. Begin by using a 7/16" wrench to tighten
all nuts on the upper and Lower Assem-
blies. Not to final tightness, but more
than finger-tight.
15. IfthedistancefromBallStud-to-BallStud
seems too short for the Cylinder to fit
properly, (since your MARK should be
in vertical position) you should loosen
and raise the Upper Assembly toward
the Headrest or left end of the MARK.
If the distance from Ball Stud-to-Ball Stud
seems too long for the Cylinder to fit prop-
erly, you should loosen and move the Lower
Assembly to the left, toward the Headrest or
left end of the MARK.
Once both Ball Studs are positioned so they
align with the Cylinder receptors, tighten all
Nuts to final tightness.
CYLINDER REMOVAL
In the event you find it necessary to remove
the Cylinder from the installed Lift Assist, for
theLowerMountendjustslipasmall,straight-
bladed screwdriver behind the retainer clip
and pry it off. For the Upper Mount quick
release end simply reverse the order of steps
“II-c” and “II-b”.
NOTE:
Position your free hand behind the Clip to
avoid losing it in the event it pops off the
Cylinder receptor during removal.
WARNING
This Ball Stud Retaining Clip must
be popped back into position in its groove
on the end of the Cylinder
before re-installation on the Ball
Stud. Failure to do so will cause the Cylin-
der to pop off the Ball Stud when compressed
. . . potentially flying off and causing injury.
WARNING
If the MKV Headrest Lock is not properly
adjusted – and the Work Table and Head-
stock are at the far right of the Way Tubes,
the MARK will raise itself into vertical posi-
tion, possibly causing personal injury. You
may have to make an adjustment to your
Headrest Lock to prevent this from occurring.
Refer to you Mark Owner’s Manual.
WARNING
Always remove the Gas Cylinder from the
Lift Assist before removing the headstock
from the way tubes of the Mark. Failure to
do so will result in the Lift Assist suddenly
raising the way tubes into the vertical posi-
tion, possibly causing personal injury as the
way tubes swing upward.
WARNING
Even though the Lift Assist will help to hold
your MARK in the vertical position, it should
still, always be secured in that position by
tightening your MARK’s Arm Lock Knob.
Refer to your Mark Owner’s Manual.
MAINTENANCE
The Shopsmith MKV Lift Assist requires no
maintenance other than an occasional clean-
ing with a clean, dry cloth. The Cylinder is a
sealed Mark with no serviceable parts inside.

PowerPro – LIFT ASSIST 556191
7
NOTES
NOTE
If you have any questions about your Shopsmith PowerPro®Lift Assist, please call our
Customer Service Department TOLL-FREE at 1-800-762-7555, send us an e-mail at
Shopsmith, Inc., Attn: Customer Service Technical Dept., 6530 Poe Avenue, Dayton, Ohio
45414.

PowerPro – LIFT ASSIST 556191
8
6530 Poe Avenue
Dayton, OH 45414-2591
845630 Rev B 11/11
©2011 RLFSHOP, LLC. dba Shopsmith
All Rights Reserved
Printed in U.S.A.
NOTES
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