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A
B
2. Remove the reservoir with tubes still in
place (A). Remove the four calibration
screws (B) and place them aside in a
clean area.
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1. Place the SyncPRO™ face
down on a clean nonscratch surface with ample
working space. It is
important to keep your
work area clean so you
don’t introduce debris into
the unit during reassembly.
Turn the four calibration
screws clockwise until they
stop turning. Remove the
rubber feet and eleven
screws that hold the twopiece housing together.
Separate the housing.
08-0581 SyncPRO™ Fluid Refill Instructions
Thank you for purchasing Motion Pro SyncPRO™ Replacement Fluid. In the event excess vacuum was
placed on the SyncPRO™, fluid from all four chambers may be drained from the reservoir. (NOTE: If you
experience fluid loss from only one chamber, please contact Motion Pro to determine if there is a problem
with your SyncPRO™ before refilling it.) The following steps will guide you through the procedure for
replacing fluid that was lost during calibration or synchronization.
Have the following items handy before you begin: #1 Phillips screwdriver, a small flat blade
screwdriver, running water, paper towels and compressed air.
.
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4. Remove the o-rings from the four aluminum pistons taking care not to scratch the o-ring gland.
Clean the pistons thoroughly using a clean paper towel. Install the new greased o-rings
supplied in the rebuild kit.
3. Next, check the serial number of your SyncPRO™ (the
serial number label is located on back panel of unit).
Units with the letter B or M in the 7th digit (XXXXXXBXXX, or
XXXXXXMXXX) contain a water based fluid and can safely be
disposed down a drain.
Units with the letter C in the 7th digit of the serial number
(XXXXXXCXXX) contain a petroleum based mineral oil and
should be disposed with your other oils in accordance with the
laws of your locality.
Dispose of the existing fluid in the reservoir as indicated
above. Flush any remaining fluid from the assembly under
running water until the rinse water runs clear. Soapy water
may be used to help rinse units with oil based fluid. Wipe
off the outside of the reservoir and tubes with a clean paper
towel and use compressed air to gently blow water out of
the four chambers. You will need to force air down through
the tops of the tubes to blow out any remaining water.
Repeat this process until all of the water is removed. A very
small amount of residual moisture is acceptable if it can’t be
completely removed.
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5. Before going to the next step, make sure that the 4 tubes and o-rings are still fully seated in
the reservoir. If an o-ring pops up, simply re-seat the o-ring by pressing it back into place with a
small flat-blade screwdriver. When the tubes are properly seated and in place all of the notches on
the tubes will line up.
Re-seating o-ring with small
flat blade screwdriver
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O-ring popped out of place
O-rings seated properly
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5
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7. To refill your SyncPRO™, hold the reservoir upright so that the chambers are vertical. Insert the
tip of the refill bottle all the way in past the threads of the first chamber and place 28 drops of
SyncPRO™ fluid into the chamber. This should result in a fluid level measurement of
approximately 20mm down from the top front edge of the reservoir. (Note: It is important to
keep the fluid off the threads.)
Fill each of the remaining chambers using the same method until the fluid level is equal to the
first chamber (NOTE: filling of remaining chambers may take more or less than the 28 drops to
be equal in height to the first chamber).
When finished filling, perform a visual check to make sure the fluid levels in the four chambers
are the same height. If the fluid levels are not the same height, add a drop of fluid to the
chambers that are low until they are all approximately the same. If you overfill a chamber or
get fluid on the threads you can use a lint-free cloth to wick up or wipe away any excess fluid. If
there is fluid in the threads, make sure to wipe them dry before installing the piston.
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6. Install the vacuum caps about halfway down
onto the tubes to create an air seal.
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8. Double check the calibration screws
and o-rings to make sure they are free
of any dust or debris and then gently
thread them into the reservoir until they
bottom out. They do not need to be
tight.
9. Place the reservoir in the housing, and check one last time that the o-rings and tubes are still fully
seated before you put the housing back together. Starting with the innermost screws and working
outward, gently hand-tighten each screw until the housing is closed around the entire perimeter.
Replace the rubber feet. Your SyncPRO™ is now ready for use. Remember to check and set
your engine idle to the proper RPM before hooking up the SyncPRO™ for its next use.
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