19
PORT BLOCK
See figure 7. Position the port block (1) on a clean flat surface with the two open ports up.
THE OPPOSITE FACE MUST NOT BE SCRATCHED OR DAMAGED. Position needle
bearing (2) on tool (Figure T-5) with the marked end of the bearing against the shoulder on
the tool and press the bearing (2) into the port block. The bearing must be .010-.025" (.254-
.635 mm) below the surface.
Slip check ring (3) into the two 1.50" (38 mm) ports and align holes in the ring with the
side holes in the port wall.
Place lock washers (6) on special screws (5). Insert (5) through port wall and drilled holes
in checks (3) and thread into clamps (4). Torque to 10 ft. lbs. (13.56 Nm).
Thread socket pipe plugs (8) into port block.
Thread two check valve assemblies (7) into valve face of port block.
Place O-ring (10) on hollow hex plug (9) and thread into tapped hole in top of the port
block.
PARTS LIST FOR FIGURE 7
item
description
part no.
qty.
1
port block
033-71296
1
2
needle bearing
230-82146
1
3
check ring
033-70502
2
4
clamp 033-70489
2
5
special screw
033-70908
2
6
no. 10 lock washer
348-10016
2
7
check valve assy.
S13-40266
2
8
1/4 soc. pipe plugs
431-90404
2
9
hollow hex plug SAE-6
488-35041
1
10
O-ring 90-6290-6
691-00906
1
See figure 8 on next page. Position the pump with the unplugged hole (top drainport) in
the housing assembly at 12 o'clock position.
Install gasket (5) on the housing assembly (6).
Install the two special pins (3) in the face of the port block assembly. Apply petroleum jelly
or heavy grease to the plate (4) and position port plate over the pins (3) on the port block.
Port plate must be fully seated and indexed towards direction of rotation. (See port plate
view in figure 8.)
Slide the port block assembly and port plate over the end of the auxiliary shaft. Be cer-
tain that tubes 2, 3 and 4 shown on Fig. 4 are engaged and that the port plate (4) is still
on the pins (3).
When the pump is properly assembled, the valve mounting surface will be at the top of
the unit.
Install the four bolts (1), and torque to 225 ft.-lbs. (305 Nm). Caution: Use care to prevent
damage to the valve mounting surface while installing and torquing the two top bolts.
PARTS LIST FOR FIGURE 8
item
description
part no.
qty.
1
hex head cap screw 5/8-11 x 9
306-40182
4
2
port block assy.
See Fig. 7
1
3
port plate pins
033-49825
2
4
RH port plate 6 in3
033-71526
1
LH port plate 6 in3
033-71525
1
RH port plate 7.25 in3
033-72811
1
LH port plate 7.25 in3
033-53776
1
RH port plate 8.0 in3
033-91252
1
LH port plate 8.0 in3
033-91553
1
5
housing gasket
033-91060
1
6
housing Assy.
S13-42335
1
7
mounting flange
See Fig. 4
1
MOUNTING PORT
BLOCK TO HOUSING
ASSEMBLY PROCEDURES
Figure 7