26
307–920
POWER SUPPLY CORD REPLACEMENT
Before doing this procedure, follow the
Pressure
Relief Procedure Warning
on page 23 to reduce
the risk of a fluid injection injury , splashing in the
eyes or on the skin, injury from moving parts, or
electric shock.
Unplug the sprayer
.
WARNING
Refer to Fig 15.
1. Remove the pressure control cover.
2. Disconnect the power supply cord lead from the ON/
OFF switch (303), the white wire going to the bridge
(308), and the green wire to the grounding screw
(343) and lockwasher (327).
3. Loosen the strain relief bushing (328). Remove the
power supply cord (311).
4. Install the new cord (311) in the reverse order of dis-
assembly.
5. Reinstall the cover.
311
Fig 15
328
343,327
302
303
308
ON/OFF SWITCH REPLACEMENT
Before doing this procedure, follow the
Pressure
Relief Procedure Warning
on page 23 to reduce
the risk of a fluid injection injury , splashing in the
eyes or on the skin, injury from moving parts, or
electric shock.
Unplug the sprayer
.
WARNING
Refer to Fig 16 except where noted.
1. Remove the pressure control cover.
2. Use a needle nose pliers to disconnect the upper ter-
minal wire from the microswitch (302) for ease in re-
moving the ON/OFF switch (303).
See Fig 16.
3. Use pliers to disconnect the two black wires from the
ON/OFF switch (303).
Refer to Fig 15.
4. Use a 5/8” socket wrench to loosen and remove the
nut and rubber boot (304) from the top of the pres-
sure control. Remove the switch guard (305).
5. Remove the ON/OFF switch.
6. Install the new switch so the internal tab of the anti–
rotation ring (W) engages with the vertical groove in
the threads of the switch, and the external tab en-
gages with the blind hole (D) of the pressure control.
7. Install the switch guard (305), aligning the internal
tab with the groove in the threads.
8. Powder the inside of the rubber boot (304) with tal-
cum, then shake excess out of boot.
9. Install the nut and rubber boot and tighten.
10. Reconnect the wires to the ON/OFF switch (303) and
reconnect the wire to the microswitch (302).
11. Reinstall the pressure control cover.
303
D
W
305
304
Fig 16
Summary of Contents for 231-081
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