AEC VacTrac Series Conveying Systems - Manual (Page 94)

Page 94 VacTrac™ Series Conveying Systems
WH2-605A.4 Mechanical Components
3. Remove the six (6) socket cap screws from the end plate.
Separate the end plate from the valve body.
4. Remove the locknut from the air cylinder shaft.
5. Remove the two (2) plunger support discs and the plunger
from the air cylinder shaft.
6. Remove the four (4) socket cap screws holding the air
cylinder to the end plate. Separate the cylinder and the end
plate.
Servicing and Reassembling Upper Valves
1. Clamp the air cylinder in a vise and unscrew the end cap.
Using parts from the valve service kit, replace the seals in
the air cylinder, and screw the end cap back on.
2. Fasten the air cylinder to the end plate using the four (4)
socket cap screws.
3. Place the plunger support discs and a new plunger on the
air cylinder shaft.
4. Thread the locknut back on the air cylinder shaft.
5. Reconnect the end plate to the valve body using six (6)
socket cap screws and a new gasket.
6. Reconnect the upper cap to the air cylinder using two (2)
socket cap screws.
7. Reconnect the pipe coupler and pipe nipple to the valve.
Reinstalling Upper Valves
1. Replace the O-ring in the valve body.
2. Position the valve on the power unit, making sure the valve
seats properly. Tighten the set screws that secure the valve
to the blower inlet.
3. Reconnect the valve inlet to the incoming vacuum line
using the radiator hose. Tighten the clamps.
4. Reconnect the compressed air line to the vacuum relief
regulator.
5. Secure the inlet filter to the valve, and tighten the set
screws.