Hitachi 309521J Mixer User Manual


 
Assemble
309521J 9
Pumps and Sensors
1. Secure magnet holders (903) to the pump (2) motor
displacement rods with screws (905). F
IG. 1.
2. Install a short magnet strip then a long one (904) on
each magnet holder (903). Secure with tape sup-
plied.
3. Secure pumps (2) on mounting brackets with two
3/8 x 1-1/4” screws (913), lockwashers (914), and
nuts (915).
4. Secure sensors (7) on pumps and pump mounting
brackets with two screws (913), lockwashers (914),
and nuts (915).
Control Box
1. Mount control box (3) to mounting plate (10). FIG. 1.
a. Slide gasket (307) over back of pneumatic con-
trol box (3), against lip. Insert box through
mounting plate (10).
b. Secure box (3) to plate (10) with 8-32 UNC
screws (912).
2. Secure mounting plate (10) to cart/stand. Install fas-
teners (provided by installer) through six 0.3” (7.62
mm) mounting plate holes.
3. Connect conduit (721) from two sensors (7) to pneu-
matic control box (3).
4. Wire two sensors (7) to control box 18-pin connec-
tor. Connect sensor A, then sensor B wires in pairs
sequentially – black/green, black/red, black/white –
to pins 2-13. See Electrical Schematic, page 16.
5. Connect 18-pin connector to main control board
connector (F). F
IG. 2.
If using feed pumps, do not allow feed pressure
to exceed 25% of spray pressure.
For accurate ratios, pump lowers must be
same size.
If installing 234024 or 234025, the pump size
has not been set in the software. To set pump
A and B size and A and B sensor calibration
factors, you need Xtreme Mix Data Download
software, part no. 246322 for proportioners
located in a non-hazardous area, or part no.
246397 for proportioners located in a hazard-
ous area.
Calibration values are on pump A and B sen-
sors.
Pump Size Values
Pump Size Value
(cc/cycle)
45:1 250
56:1 220
68:1 180
80:1 145
Mount box (3) vertically for optimum alternator and
component life.
Conduit must be used. Approximately 62” (1575
mm) of cable and conduit provided; do not
lengthen.
F
IG. 2 Control Box
109876543
10
9
8
7
6
5
4
3
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+
J1
J2
F
3