307-913
18
Pressure
Control Adjustment
Set
Up
WARNING
T
o reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
on page 6.
1.
Relieve the pressure
.
2.
Set up the system as shown in Fig. 16.
Set the Dead Band
(Pressure Dif
ferential)
NOTE: Do not alter this adjustment if the wheel is al-
ready
set as shown in Fig. 17.
1. Turn off and unplug the sprayer. Remove the pres-
sure
control cover
.
2. Set the white differential wheel (A) on the micros-
witch.
T
urn the wheel so the letter
F
is concealed be
-
hind
the switch and the letter
A
is the
first letter seen.
Pressure
Up
1.
Start the sprayer and prime it.
2.
Adjust the pressure to 18.0 MPa, 180 bar
.
3. Turn off and unplug the sprayer. If the pressure
drops, replace the pump packings before proceed-
ing.
See page 32.
Adjust the Pressure
1. Remove
the plug (326) in the bottom of the pressure
control.
2. Turn and hold the pressure control knob (B) at the
maximum
pressure setting.
3. Engage
the nut (C): insert the nut driver through the
pressure
control
hole, or use the ignition wrench from
the
front of the pressure control.
a. Loosen
the nut just until you hear a click. ST
OP.
b. Slowly tighten the nut just until another click is
heard.
ST
OP.
4.
Replace the plug (D) and pressure control cover
.
0474
102–814
156–823
104–984
162–453
223–541
Fig. 16
0475
A
Fig. 17
A
B
C
CCW
D
Fig. 18
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