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II. Maintenance Procedures
I. Removing and Replacing the Direct Air Motor
I.
Step 1.
1. Remove the handle and the dust cover.
2. Place the vacuum face down on the bench.
3. Remove the base plate by removing the 2 (two) screws.
4. Remove the agitator/brushroll.
5. Remove the 5 (five) mounting screws on the underside of the nozzle base tray. (See
Figure C. Location of Nozzle Cover
Screws
)
I.
Step 2. Removing the Back Path and Cover
1. Remove 1 (one) screw in the tools activation dial/rotational valve handle and 8 (eight) screws on the back path and hose.
2. Remove the tools activation dial/rotational valve handle and the back path cover.
3. Remove 1 (one) screw from the micro switch and then the remaining 13 (thirteen) screws in the back cover.
4. Remove the back cover allowing the micro switch to slide through the slot in cover.
5. Remove the tool clips.
I.
Step 3.
NOTE: If wiring harness does not need to be changed, Skip to I. Step .
1. If wire inlet seal (foam seal where the wire goes through the dust compartment) is installed, remove it at this time.
2. Remove the wire harness connector from the dust compartment and the micro switch from the wiring harness.
I.
Step 4.
Turn the vacuum over, depress the handle release, and lay the vacuum flat. Remove the nozzle cover.
I.
Step 5.
WARNING - If the vacuum is not in the upright position before continuing with the next step, injury may occur or
vacuum may be damaged.
1. Set the vacuum in the upright position and remove the 2 (two) screws from the spring assist bar.
2. Lay the vacuum flat. Remove the 3 (three) screws from the direct air motor inlet duct cover, and 1 (one) screw from each
of the wire strain relief (2 each)
3. Remove the belt.
4. Remove 3 (three) screws from the idler cover and spring.
5. Disconnect the light lead connector from the light board (disconnect the ground wire if necessary).
6. Remove the 2 (two) screws from each of the pivot brackets.
I.
Step 6.
1. Lift the dust compartment up out of the nozzle base tray assembly.
2. Remove the pivot bushings and the direct air motor inlet seal from the dust compartment.
I.
Step 7.
1. Remove the 4 (four) screws holding the motor cover on the dust compartment.
2. Lift up on the motor cover and set it aside.
I.
Step 8.
1.
.4 models and older -
Remove the
direct air motor by lifting up and rotating, and then disconnect the leads.
2.
.5 models and newer
- Remove the screw holding the direct air motor in place and lift up.
- continue on next page
