10
Pump Reassembly/Installing New Seal
1. Ceramic seat must be clean and free of dirt, grease, dust, etc. Wet outer
edge of "O" Ring with small amount of liquid detergent; press ceramic
seat into seal plate cavity firmly and squarely with finger pressure (Fig. 5).
2. If ceramic seat will not locate properly, remove it, place face up on bench
and reclean cavity. Ceramic seat should now locate.
3. If seat still will not locate properly, place a cardboard washer over the
polished face and use a piece of 3/4" (19mm) standard pipe for pressing
purposes. NOTICE: Be sure not to scratch or mar polished surface or seal
will leak.
4. Remount seal plate on motor. Tighten bolts to 60-80 inch-lbs. (69-92
kg/cm) torque.
5. Apply a small amount of liquid detergent to inside diameter of rotating
half of seal.
6. Slide rotating seal member, polished carbon face out, over shaft and shaft
shoulder until rubber drive ring hits shaft houlder. NOTICE: Be sure not to
nick or scratch polished seal face; seal will leak if face is damaged.
7. Screw impeller onto shaft (clockwise); this will automatically locate seal in
seal plate.
NOTICE: On 2 HP models, install impeller screw (left-hand thread - turn
counterclockwise).
8. Mount diffuser on seal plate; tighten screws to 10-14 inch-lbs. (11.2-16.1
kg/cm) torque.
9. Assemble motor and seal plate to volute; be sure clamp is properly
seated. NOTICE: Clamp knob can be located in any position around vo-
lute; if it is moved after assembly, tighten knob ahile tapping around
clamp to assist sealing. Do not move clamp while pump is full of water.
10. Reinstall pump base mounting bolts (if used) and prime pump according
to instructions on Page 7.
Installing Heat Sink Insert:
If the heat sink insert moves or shifts during seal removal, remove and re-
install it to prevent leakage.
1. To remove heat sink insert, grasp with fingers at large end and move back
and forth. Do not deform.
2. Replace heat sink insert as follows:
A. Clean off old sealant and foreign material; clean out insert cavity.
B. Apply a small amount of non-hardening silicone RTV on surface of
insert (see Figure 6).
C. Pull inset into cavity (see Figure 7).
D. Remove surplus silicone RTV from insert cavity (see Figure 8).
Figure 5
Wipe on small amount of
non-hardening Permatex
on this surface
756 0993
7/8" Socket
Bolt
1-3/8" O.D.
Washer
Remove
Surplus
Permatex
Properly
Seated
Figure 6
Figure 7
Figure 8
Содержание PE5YD-133L
Страница 16: ...16...