Filter
Top Products
SECTION 20—4-WAY VALVE
Platinum™Series 74 Part No 1110538
FIGURE 20.1 Replacing 4-Way Valve
Replacing Manifold Assembly (Units Manufactured
before 7/24/03)
NOTE: For this procedure, refer to FIGURE 20.2 on page 76.
NOTE: This procedure applies to Platinum 5 units manufactured before 7/24/03. Units
manufactured before 7/24/03 are equipped with an exhaust canister with exhaust hose as shown in
FIGURE 20.2.
Tools Required:
• Diagonal Cutters
• Flathead Screwdriver
• ¼-inch ratchet, ¼-inch socket, and ¼-inch extension
• Pliers
• Tie-wraps
1. Unplug unit.
2. Remove cabinet. Refer to Removing Cabinet
on page 25.
3. Remove control panel. Refer to Removing Control Panel on page 62.
4. Cut and remove the tie-wraps connecting the sieve bed hoses to top of manifold
assembly.
NOTE: When removing the sieve bed hose from the manifold assembly use a flat head screwdriver
to pry hose up while simultaneously pulling the hose upward.
5. Remove sieve bed hoses from manifold assembly.
6. Remove and code the two spade connectors from the valve pilot on top of the manifold
assembly.
NOTE: The Numbers above
indicate the MOUNTING SCREW
TORQUE SEQUENCE:
pre-torque to 10 + 2 inch-lbs.,
then torque to 22 + 2 inch-lbs.
4-Way Valve Face
Mounting
Screws
4-Way Valve
Manifold
Assembly
NOTE: Illustration depicts manifold assembly for Platinum 5 models. 4-Way valve is replaced in
the same manner for Platinum XL and Platinum 10 models.