Pump Reassembly; Copper Heat Sink Removal & Installation - Sears HYDRO-GLASS 390.262501 Owner's Manual

Figure 27--Hold Shaft
_kWARNING
To avoid electrical
shock hazard, use
insulated-handle
screwdriver to short
capacitor terminals
as shown.
Figure 28--Assemble Pump
10. Hold motor shaft with 7/16" open end wrench on
shaft flats and screw impeller onto shaft. Be sure
you do not touch capacitor terminals with body or
any metal object. Tightening impeller will auto-
matically locate seal in correct position.
11. Remount diffuser on pump body half with five
screws.
12. Follow instructions under "Pump Reassembly".
NOTICE: If the copper heat sink moves or shifts during
seal removal, it should be removed and reinstalled.
PUMP REASSEMBLY
1. Clean O-ring and O-ring groove.
2. Put O-ring in groove on face of flange; put pump
halves together (see Figure 28).
3. BE SURE inside of clamp is clean. Place clamp on
pump halves; snug up. Alternately tighten screw
and tap clamp with mallet to seat O-ring (see Figure
29),
4. Replace base mounting bolts.
5. Replace pressure switch tubing andmotor wiring;
close draincock.
WIPE ON SMALL AMOUNT OF
Figure 27A
r_l___/_ '' SOCKET
i BOLT
Figure
27B
P _OPERLY _
Figure 27C _
Figure 29--Tap Clamp While Tightening
6. Prime pump according to instructions. See "Opera-
tion."
7. Check for leaks.
COPPER HEAT SINK REMOVAL
Remove Ceramic portion of sink (see "Removing Old
Seal"). Grasp with fingers at the large end andmove
back and forth. Be careful not to deform it.
COPPER HEAT SINK INSTALLATION
1. Clean off all sealant and foreign material.
2. Clean out heat sink cavity in seal plate.
3: Apply thin layer of non-hardening Permatex on
outer surface of heat sink (part that fits into cavity,
Figures 27A and 27C).
4. Using standard 7/8" socket, bolt, and 13/8 '' washer
pull heat sink into cavity as shown in Figure 27B.
5. Clean out any surplus Permatex from insert cavity
where new seal will be located (Figure 27C).
6. Follow steps 2 through 11 under "Installing New
Seal".
10
!