FF-MM-372-REV - 02
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Operation and Maintenance Guide 16 VM Air Motor Series
Dis assembly and Re-assembly
Disconnect air supply and vent all air lines.
Air stream from product may contain solid or
liquid material that can result in eye or skin
damage.
Flush this product in a well ventilated area.
Do Not use kerosene or other combustiblesol-
vents to ush this product.
Failure to follow these instructions can result
in eye injury or other serious injury.
Always open from the back side rst.
Use proper tools to open the fasteners.
a. Unscrew Hex Bolts(19) from Rear Bear-
ing Cap (5) from Rear Flange (3). Remove
O-ring (11) from Rear Bearing Cap (5) and
replace with new one (if found damaged).
b. Unscrew Hex Bolts (21) from Rear Flange
(3) & replace Shim(9) with new one (if
found damaged).
c. Now remove Ball bearing (12) from Rear
Flange (3) using mallet and replace it with
new one (if worn-out).
d. To remove the Front Bearing Cap (4) from
Front Flange (2), unscrew (Hex Bolt (19)
for Face mount models and Allen Bolt (20)
with Spring Washer (22) for Nema models)
from Front Bearing Cap (4). e O-ring (9)
and Oil Seal (10) can be now removed from
Front Bearing Cap (4). Replace with new
ones (if found damaged).
e. Now unlock Lock Washer (18) from the
slot of Lock Nut (17) using minus screw
driver to unscrew Lock Nut (17). Remove
Lock Washer (18) from Rotor Sha (6) and
replaced with new ones (if found dam-
aged).
f. Now remove the Rotor Sha (6) with Rotor
Blades (10) from the Motor Housing (1),
Now remove the Rotor Blades (10), Leaf
Spring (14) & Pin (7) from Rotor Sha (6)
and replace them with new ones (if found
damaged).
g. Now remove Ball bearing (13) from Front
Flange (2) by using puller. Replace it with
new ones (if worn-out).
h. Now insert Pins (7) into the Rotor Sha’s
(6) through holes (use small amount
of grease to prevent Pins to fall during
assembly). Now insert the Rotor Sha (6)
into the Housing (1) and Front Flange
bearing using press/mallet precisely and
ensure that rotor face is not above the
housing face.
i. Now insert Lock Washer (18) into the
Rotor Sha (6) and fasten Lock Nut (17).
Now secure the Lock Nut (17) by press-
ing one end of Lock Washer (18) into slot
of Lock Nut (17).
j. Now install O-ring & Oil seal on Front
Bearing Cap (4), then install the Front
Bearing Cap (4) on Front Flange (2) by
fastening (Hex Bolt (19) for Face mount
models and Allen Bolt (20) with Spring
Washer (22) for Nema models).
k. Now place the Leaf Spring (11) on Rotor
Blades (6), ensure that leaf spring one
end is inside the slot of Rotor Blade (6).
l. Insert the above blade assembly one at a
time into Rotor Sha (6).
m. Now follow the above steps ‘c’ & ‘b’ in
reverse manner to assemble the motor.
n. Now aer assembly, ensure that Rotor
Sha (6) is rotating smoothly inside, else
tap lightly on the rotor sha front end or
rear end until you obtain smooth rotation
of Rotor Sha (6).
o. Once smooth rotation is achieved follow
the step ‘a’ in reverse manner and com-
plete the assembly.
