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18
Replacing the Hydraulic
Pump
Parts needed for this procedure:
2
O-ring 1.6/1.8 mm (0.489 /0.070 inch)
1
O-ring 15.6/1.8 mm (0.614/0.070 inch)
1
O-ring 29.7/2.9 mm (1.171/0.116 inch)
1
O-ring 16.4/2.3 mm (0.644/0.090 inch)
1
Hydraulic pump
1
Straight fitting (7/8 x 13/16 inch)
1
Straight fitting (1/4 x 1/4 inch)
1
O-ring 85.7/ mm (3.375/0.630 inch)
Removing the Hydraulic Pump
1.
Disconnect the pressure hose for the
spray-pump motor from the straight fitting in the
left side of the hydraulic pump
Figure 104
1. Pressure hose
(spray-pump motor)
2.
Remove the 2 socket-head screws (3/8 x 1
inch) and 2 washers (3/8 inch) that secure
the hydraulic pump to the traction pump, and
remove the hydraulic pump
(Figure
104).
g300046
2. Straight fitting (hydraulic
pump)
(Figure
105).
1. Traction pump
2. Hydraulic pump
Removing the Hydraulic Fittings
from the Pump
1.
Remove the straight fitting from the hydraulic
pump
(Figure
1. T-fitting, test fitting, and
cap
2. Straight fitting (5/8 x 3/4
inch)
2.
Remove the T-fitting (with test fitting and cap)
from the hydraulic pump
3.
Remove the barb fitting from the hydraulic pump
(Figure
106).
43
Figure 105
3. Washer (3/8 inch)
4. Socket-head screw (3/8 x
1 inch)
106).
Figure 106
3. Hydraulic pump
4. Barb fitting
(Figure
106).
g300045
g300272
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