Repair manual

PS4 7503HH, PS4 7503HF, PS4 11003HH, PS4 11003HF Repair
Repair.fm 177
11.Loosen two screws (at) and remove thermal switch (as) from
underside of housing cover (ap).
See graphic wc_gr000629.
Note: Leave three wire connections to thermal switch (as) attached.
12.Remove large diameter o-ring (ar) from outside diameter and
o-ring (aq) from the inside diameter of cover housing (ap).
13.Remove gasket (aa),plate(ac) and spring washer (ab).
See graphic wc_gr000630.
6.8.1.2 Power Supply Inspection
1. Measure the cable length. The specified cable length is 15.3m
(50ft), subject to user’s specific application requirements.
—Replace cable if measured length is less than 11.4m (38ft).
2. Inspect insulation materials of the power supply cable and wires for
cuts, cracking, hardening, abrasive wear or any other condition
where short circuit or water leaks are possible.
3. Inspect the power supply cable and wires for broken connectors.
—Replace the cable if continuity tests prove the conductors are
broken.
4. Inspect the sheath for cuts, gouges, cracking, hardening or
abrasive wear.
wc_gr000629
at
as
aq
ar
ap
wc_gr000630
ac
ab
aa