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INSTALLATION AND SERVICE MANUAL 917N-CMT, 927CMT, 957CMT
184617-02
CAUTION
To avoid electrical shock
or contact with moving
parts, make sure all
switches are in the
"OFF" position and that
the main power supply
is disconnected. Some
freezers have more than
one disconnect switch.
1. Remove the side panels to expose
the pulleys and the belts.
2. Check the alignment of the beater
motor pulley and the gear reducer
pulley by placing a straight edge
across the faces of the two pul-
leys. If the pulleys are not aligned,
adjust as necessary until proper
alignment is obtained.
NOTE:
Most pulleys are mounted
with Loctite
®
. It may be necessary to
heat for removal.
11.3 Pulley Alignment and Belt Tension
11.4 Beater Drive Coupling Replacement and End Play
Setting
11.4.1
Beater Drive Coupling Removal
CAUTION
To avoid electrical shock
or contact with moving
parts, make sure all
switches are in the "OFF"
position and that the main
power supply is
disconnected. Some
freezers have more than
one disconnect switch.
2. Remove dispensing head and
beater shaft. (See figure 11-2
Ref.#2.)
3. Remove both drive belts (not
shown).
3. Depress the belt at a point midway
between the two pulleys. When
properly adjusted, the belt should
depress ½ inch from its normal
position with approximately five
pounds of pressure.
4. If the belt is too tight or too loose,
adjust as necessary until proper belt
deflection is obtained by loosening
the four (4) bolts which hold the
motor mounting plate to the frame.
With these loose, adjust the tension
bolt in or out as required to obtain
proper belt tension. Retighten bolts.
5. Periodically inspect the belts. If they
are worn, replace both belts, as they
are manufactured in matched sets.
IMPORTANT:
Improper drive coupling spacing
will damage the beater shaft, dis-
pensing head, and drive coupling.
When checking end play settings or
replacing a coupling, proceed as
follows.
CAUTION
Make sure freezer is
depressurized before
proceeding.
1. Remove product from the cylinder.