Tennant ATLV 4300 Service Manual page 134

2000 Series Disc Valve Motors
Disassembly
Outer Face Seal
Valve
7 Remove balance ring assembly.
8 Remove inner and outer face seals from balance ring.
9 Remove the valve.
Valve Drive
10 Remove the valve plate.
11 Remove the 76,0 [3.00] diameter seal from valve plate.
12 Remove the valve drive.
Seal
13 Remove the Geroler. Be sure to retain the rollers in the outer ring
if they are loose.
14 Remove the drive.
4
Pin (2) and
Spring (2)
Inner
Face Seal
Balance Ring
Figure 5
Seal Valve Plate
Figure 6
Seal Geroler
Figure 7
15 Remove the 76,0 [3.00] diameter seal from wear plate,
see Figure 7.
Bearing Seal
Housing
16 Remove the wear plate.
17 Remove the shaft face seal from the wear plate.
18 Remove the 76,0 [3.00] diameter seal from bearing housing.
Bearing
Housing
19 You may need a press to remove shaft and bearing assembly from
bearing housing. (Key must be removed before removing shaft.)
Bearing Housing
Exclusion
Seal
20 Use a small screwdriver to remove shaft seal, back-up washer and
exclusion seal from bearing housing, see Figure 10. Do not damage
bore of housing.
Note: Individual parts of shaft and bearing assembly are not sold
separately. Replace as a unit.
Wear
Plate
Shaft Face Seal
Figure 8
Shaft and
Bearing
Assembly
Figure 9
Shaft Seal
Back-up Washer
Figure 10