Multi-Port Valve Service; Valve Removal; Pump Service - Pentair Pool Products HIGH-RATE SAND FILTER SYSTEM Owner's Manual

MULTI-PORT VALVE SERVICE

Hazardous pressure. Stop pump and
release all pressure from system before working on
filter, valve, or clamp.
NOTICE: If Multi-Port valve is below pool water level,
close suction and discharge valves before disassembly
to prevent draining pool.
Handle Replacement:
1. Stop pump.
2. Place handle in 'FILTER' position.
3. Remove pin (Key 1, Figure 13) to disconnect handle.
If it cannot be removed by hand, use a hammer and
center punch and lightly tap it out.
4. Remove handle; replace with a new one. Be sure
new handle is in 'FILTER' position.
5. Replace pin.
Lid and Plug replacement:
A. Remove Handle (see 'Handle Replacement',
above).
B. Remove plug:
1. Remove all screws and nuts (Key Nos. 2 and 6,
Figure 13).
2. Remove lid (Key No. 3) by pulling straight up
while holding plug shaft (Key No. 5) down with
thumb.
C. Inspect Internal Parts:
Inspect plug and gasket spring, O-Rings, and internal
washers (Key No. 4). Replace if necessary.
D. Reassemble Valve:
1. Replace plug gasket and shaft, mounting spring,
washers, and O-Ring on plug shaft. Lubricate O-
Ring with Amojel.
2. Replace lid; match screw holes in lid and body.
3. Press down on lid to allow screws to engage nuts;
tighten each nut securely.
4. Replace top washer (Key No. 1A) and handle,
making sure indexing pin on plug shaft points in
same direction as pointer on handle. Replace
handle pin.
5. Tighten all lid screws to 55 inch-lbs. (63.4 kg-cm)
torque.

Valve Removal

Hazardous pressure. Stop pump and
release all pressure from system before working on
filter, valve, or clamp.
NOTICE: If multi-Port Valve is below pool water level,
close suction and discharge valves before disassembly
to prevent draining pool.
1. Disconnect piping from pump and pool.
2. Remove clamp.
3. Remove valve from filter top.
4. To reinstall valve, follow "Valve installation" instruc-
tions, Page 6. BE SURE to follow clamp tightening
instructions.
1
2
3
4
5
6
Figure 13: Valve Disassembly

PUMP SERVICE

To protect against possible electric
shock, use only identical replacement parts when
servicing.
System should only be serviced by qualified per-
sonnel.
Before removing trap cover:
1. STOP PUMP before proceeding.
2. CLOSE GATE VALVES in suction and discharge
pipes.
3. RELEASE ALL PRESSURE from pump and pip-
ing system.
11
1A
Aquatools
.WATERFORD, WI.
53185
USA
W
744 0294