Install lightly oiled seal (14) into groove of roller stator (15). With seal side down place roller stator (15) over the
drive link with mark on drive link root in line with rotor valley (min. diameter). Mark on stator must be in line with slot
in wear plate. Note alignment of seven feed holes with wear plate and housing. Align four bolt holes with housing.
Care must be taken to insure that seal stays in place. Note: Counterbore on rotor is away from housing.
l. Place lightly oiled seal (14) into end cover (17).
m. Place grease in recessed center of end cover face. Install pin (16) into greased recess if recess is filled with oil, wipe
clean before loading with grease.
Carefully invert end cover assembly (17, 16 and 14) and place into position on top of roller stator assembly. Take
care not to dislodge seal or pin from end cover.
Check sides for seals that may be out of place.
Insert four bolts (18) and torque to 50 foot pounds.
Place assembly on side (ports up) in vise and rotate shaft with key in place and check to insure the suction port is in
the same direction of rotation.
5-7.3 Extension Boom Assembly. (Figure 5-9)
5-7.3.1 Removal and Disassembly.
Remove clinch pin (1) and extension pin (2).
Withdraw the manual extension boom (3) from the extension boom (4).
Remove the nut (5), screw (6) and spacer (7).
Remove the nut (8), screw (9) and spacer (10).
Remove the nut (I1), pin (12), with grease fitting (13), and remove the sheave (14), bearings (15) and cups (16) from
the boom (3).
Remove cotter cotter pins (17) and cylinder pin (18) to disconnect extension boom (4) from cylinder.
g. Refer to figure 5-10 and remove screws (1), retainer (2), nut (3), pin (4) and trunnion (5) from main boom.
Pull extension boom (4, figure 5-9) out of main boom and, as necessary, remove screws (19) and wear pads (20, 21
Replace worn parts as required.
5-7.32 Assembly and Installation.
Attach the wear pads (20, 21 and 22) to the extension boom (4) with screws (19). Be sure that screw heads are
recessed below surface of wear pads and tightened securely.