22
309044
Pressure Control Switch Kit
XR5 Pressure Control Switch Replacement Kit 243227, 2800 psi (19 MPa, 193 bar)
XR7/XR9 Pressure Control Switch Replacement Kit 243521, 3000 psi (21 MPa, 207 bar)
If the sprayer stall pressure is too low (motor stops before correct pressure is reached), or excessive variation
develops, the pressure control switch may need to be replaced. Replace the pressure control switch as follows:
Disassembly
1.
Do Steps 1 through 6 above in
Disassembly
.
2.
Unscrew pressure control switch from pump.
Installation
1.
Apply one or two drops of thread locking adhesive
(included in Kits 243227 and 243521) to threads of
pressure control switch.
2.
Screw new pressure control switch into pump, and
torque to 180 to 210 in-lb (20 to 24 N
S
m).
Do not
overtighten, or damage could occur.
3.
Do Steps 3 through 7 above in
Installation
.
