
18
HOUSING
See figure 5. Position housing (1) on a clean flat surface with the large open end up.
Wash and dry all parts. During assembly, lapped and ground surfaces should be kept
lubricated with clear oil and protected from nicks or surface damage.
Clean housing, item #1, and barrel bearing, item #2. Apply loctite primer grade "T" & loc-
tite retaining compound #609 to bearing O.D. & bearing bore of housing. Rest housing
on mounting flange end.
Position notch on bearing (2) with hole in housing bore. Insert Pressing Plug tool (figure
T-4) in the bearing. With smooth and steady force, press the bearing into the housing
bore until seated. DO NOT HAMMER OR BEAT INTO PLACE.
Install bearing retainer (7) with O-ring (8). Torque to 50 lb.-ft. (68 Nm).
Turn housing (1) on side and install roll pin (4) in the 1/4" through hole in the control cover
pad. The pin must be 3/8" below the pad surface. THE PIN END MUST NOT INTER-
FERE WITH THE INTERNAL BEARING CAGE. Install two dowel pins (3) in the blind
holes in the same pad.
Repeat the above step on the opposite side of the housing.
Place O-ring (5) on plug (6) and install in bottom of housing (1). (Roll pins (4) are in bot-
tom of housing.)
PARTS LIST FOR FIGURE 5
item
description
part no.
qty.
1
housing
033-91108
1
2
bearing
033-91107
1
3
dowel pin
324-21608
4
4
roll pin
325-16280
2
5
O-ring 90-6290-12
691-00912
1
6
hollow hex plug SAE-12
488-35014
1
7
retainer-bearing
033-91106
1
8
O-ring, 90 S-1 ARP 908
691-00908
1
See figure 6. Insert the three face plate pins (1) in the holes provided in the barrel face.
Apply heavy grease to the face of the barrel and install the face plate (2) over the pins
(1) in the barrel.
Make certain the face plate is properly seated on the barrel and pins with the steel
side towards the barrel face. The face plates have only one side bronzed and this
should be toward the port plate. If necessary, remove coating from edge of face plate
to determine bronze side.
Install gasket (3) over the two dowel pins (item 6 on Fig. 4) in the mounting flange.
Position the Housing Assembly (4) over the Barrel and Auxiliary Shaft Assembly and
carefully guide the pressure tubes and tube lines (items 2, 3 and 4 on Fig. 4) through the
Housing Assembly (4).
PARTS LIST FOR FIGURE 6
item
description
part no.
qty.
1
face plate pins
033-49825
3
*2
barrel face plate 6 in3 only
033-71530
1
barrel face plate 7.25 and 8.0 in
3
033-72532
1
3
housing gasket
033-91067
1
4
housing assembly
See fig. 4
1
*Note: item 2: (Ref. only) Arcuate port width: 6 in
3
is 13/32" (10,3 mm), 8.0 & 7.25 in
3
is
1/2" (12.7 mm)
HOUSING, END CAP, CAM
AND BARREL
ASSEMBLY PROCEDURES
Figure 5
Figure 6
Drive
Shaft
End
Right
Side
Bottom
Port Block End
Left
See
Fig. 4
3
4
S13-42335
2
1