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WARNING
To reduce the risk of serious bodily injury, always fol-
low the Pressure Relief Procedure W arning on
page 4 before repairing the sprayer.
1. Disconnect both hoses (133) at the pressure control
swivel unions (108). Note the original location of
each hose to be sure you reassemble them correctly
at the end of this procedure. See Fig. 28.
2. Working under the engine mounting plate of the cart,
disconnect the pressure control wires at A. Remove
the four nuts (40) and related hardware from the
capscrews (91 & 87).
3. Remove the pressure control covers (89). See Fig.
28.
4. Disconnect the red, black and white wires from the
rectifier (307) which are sheathed with the conductor
(309). Unscrew the connector (313) from the pres-
sure control, pulling the conductor and wires out with
it. See Fig. 29.
B
108
106
105
40
TO ENGINE
TO PUMP
Fig. 28
Pressure Control
5. Use a wrench to hold the hex of the adapters (C)
4. Reassemble the pressure control in the reverse or-
5. Perform the Pressure Control Adjustment
109
91,87
89
309
40
A
133
TO FILTER
0032
while removing the swivel unions (108). See Fig. 29.
WARNING
To reduce the risk of electric shock, be sure all
grounding features of the pressure control are prop-
erly assembled:
1. Ground wire (308) connected in pressure control.
2. Serrated flange capscrews to mount the pres-
sure control to the cart.
3. Grounding chain (106) connected by the long
pressure control mounting capscrew (87).
der. Use the long pressure control mounting screw
(87) in hole B. From below the mounting plate (25)
assemble the grounding chain (106), washer (105)
and nut (40) to the screw. See Fig. 28.
page 29 before regular operation of the sprayer.
WHITE
RED
309
313
BLACK
C
RECTIFIER (307) CONNECTIONS
RED
WHITE
Fig. 29
on
307
0033
BLACK
GROUND
0034
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