MAINTENANCE OF UPPER AND LOWER MAIN CASE ASSEMBLY - (Cont)
Install spring (1) over cylinder (2). While compressing spring (1), install pin (4) in outermost hole (3) on piston
Assemble upper main case.
Install gasket (7, Figure 5-8) onto packing gland (6). Insert packing gland thru upper main case housing (3)
and secure with locking nut (5).
Install bushing (4, Figure 5-8) into packing gland (6) using an appropriate punch. Bushing is properly installed
when it does not protrude from either end.
Install bearings (1 and 2, Figure 5-8) into main case (3) by tapping gently into place with rubber mallet or
similar device until bearings bottom out. Take care not to force bushing or burr edges.
Assemble gear kit into main case.
After inserting each successive part, make sure it operates freely with all other parts.
Figure 5-8. Upper Case Bearings