Repair manual
PS4 7503HH, PS4 7503HF, PS4 11003HH, PS4 11003HF Repair
Repair.fm 179
6.8.1.4 Power Supply Reassembly
Note: If, upon inspection and testing, a pump component requires
replacement, use only original manufacturer’s replacement
cables complete with anti-wicking block assembly and
certified for submersible use.
Note: Use only new gaskets and o-rings when rebuilding pump.
1. Replace gasket (aa).
2. Replace large diameter o-ring (ar) to outside diameter of cover
housing (ap).
3. Replace o-ring (aq) to inside diameter of cover housing (ap).
4. Turn cover housing on its side, so it rests on the motor frame (ae).
5. Secure thermal switch (as) to inside of cover housing with two
screws (at).
6. Verify that ground wire (al) is securely attached with screw (am).
7. Lay spring washer (ab) on top of upper bearing.
See graphic wc_gr000630.
wc_gr000629
at
as
aq
ar
ap
am
al