MAINTENANCE
2.3
REPLACING THE GEARS
1.
Follow steps 1-11 in Replacing the Motor Assembly to remove
the motor and control panel.
2.
Inspect the armature gear on the end of the motor for damage
or excessive wear. If the gear is completely worn out, replace the
motor assembly.
3.
Remove and inspect the 1st stage gear and 2nd stage gear
assemblies for damage or excessive wear. Replace, if necessary.
4.
Inspect the front gear box assembly for damage or excessive
wear. If damaged or worn, replace the front gear box assembly.
Clean and refill the gear box cavity up to the rear
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face of each gear with Lubriplate (P/N 314-171).
5.
Reinstall the motor into the gearbox housing.
6.
Follow steps 13-24 in Replacing the Motor Assembly to replace
the motor and control panel.
Armature Gear
Front Gear Box Assembly
2.4
REPLACING THE TRANSDUCER
1.
Unplug the unit.
2.
Loosen and remove the
two (2) filter assembly bolts.
Slide the filter assembly
from the cart.
3.
Loosen and remove the two
(2) motor shroud screws.
Remove the motor shroud.
4.
Loosen and remove the
two (2) motor cover screws.
Remove the motor cover.
5.
Disconnect the transducer
wire from the motor controller.
8
6.
Pull the grommet out of the mounting plate and slide it up the
shaft of the transducer until it is clear of the mounting plate.
7.
Using a wrench, loosen and remove the transducer from the filter
housing. Carefully thread the transducer wire out through the
mounting plate.
8.
Slide the grommet off of the old transducer and onto the new
transducer.
9.
Thread the new transducer wire through the mounting plate and
back to the motor controller.
10.
Thread the new transducer into the filter housing and tighten
securely with a wrench.
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11.
Push the grommet into the mounting plate.
12.
Connect the transducer wire to the motor controller (refer to the
electrical schematic in the Parts List section of this manual).
13.
Place the motor cover back over the motor controller. Secure
with the two (2) motor cover screws.
14.
Slide the motor shroud over the motor assembly.
15.
Secure the motor shroud with the two (2) motor shroud screws.
1st Stage Gear
2nd Stage Gear
Belly Pan Screw
Thrust Washer
Belly Pan
Motor
Cover
Screw
Motor
Shroud
Make sure the o-ring on the transducer is in place
before threading the transducer into the filter
housing.
Motor
Cover
Screw
IMPACT 740
Motor Shroud
Motor
Controller
Grommit
Tranducer
Filter assembly