Pump Service - STA-RITE JHSC-61USF Owner's Manual

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Mechanical seal
rotating half
A-Seal removal-rotating half
Figure 4
To avoid condensation/corrosion problems, do not cover pump with plastic.
For outdoor/unprotected installations:
1. Gravity drain system as far as possible.
2. Protect areas which retain water with non-toxic propylene glycol antifreeze
("RV antifreeze").
3. Enclose entire system in a weatherproof enclosure.
4. To avoid condensation/corrosion damage, allow ventilation; do not wrap
system in plastic.
5. Use a 40% propylene glycol/60% water solution to protect pump to
-50 degrees F (-46 degrees C).
Startup For Winterized Equipment
1. Remove any temporary weather protection placed around system.
2. Follow filter manufacturer's instructions for reactivation of the filter.
3. Inspect all electrical wiring for damage or deterioration over the shutdown
period. Have a qualified serviceman repair wiring as needed.
4. Inspect and tighten all watertight connections.
5. Open all valves in suction and return piping.
6. Remove any winterizing plugs in piping system.
7. Drain all antifreeze from system.
8. Close all drain valves and replace all drain plugs in piping system.
9. Prime pump according to instructions on Page 7.

PUMP SERVICE

Pump should only be serviced by qualified personnel.
Be sure to prime pump (Page 7) before starting.
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 piping system.
Mechanical seal
stationary half
Seal Plate
B-Seal removal-stationary half
3/4" socket
or pipe
Cardboard
washer
(supplied w/seal)
Polished
surface
Rubber
surface
C-Stationary half installation
8
Shaft
shoulder
Rubber drive
ring
Sealing
face
Impeller
D-Rotating half installation