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Manual No. 016-0171-391 47
System Maintenance
FIGURE 2. Pump Head and Motor Separation
FIGURE 3. Pump Head Parts and Seal Installation
1. Empty product from the chemical supply tank and flush the injection pump with water.
2. Disconnect the injection pump plumbing and cabling. Remove the injection pump from the implement and
take to a suitable work area to perform maintenance.
3. Separate the pump from the motor by removing the four socket head screws.
4. Loosen the four socket head screws securing each pump head to the crank case.
Item Description Raven P/N Qt.
1 O-Ring, Viton 219-0002-015 4
2 O-Ring, Compound 117965-80 219-0007-117 2
3 Seal, 3/4” Slipper 219-0000-125 2
Intake Valve Assembly
(P/N 063-0172-503)
See Figure 1 on page 45
Discharge Valve Assembly
(P/N 063-0172-504)
See Figure 1 on page 45
Torque to 41 in/lbs.
(4 places)
Cam Bearing Assembly
(P/N 063-0172-501)
Piston Bearing
(2 Places)
1
(4 Places)
Torque to 41 in/lbs.
(17 places)
Piston
2
(2 Places)
3
(2 Places)