RING-RETAINING 5160758 - Caterpillar

1. All parts should be free from nicks and burrs and cleaned thoroughly. A clean work area is a must.2. Assemble thrust bearing (4) on shaft (23) between thrust washers (12) and locate with retainer rings (6) on shaft. Sharp edges of retainer rings should be away from the thrust washer. Note: Gap in retainer rings (6) must be located radially away from the milled slot in shaft.3. Place shaft with thrust bearing assembly (6, 12, 4) into front housing (1).4. Place gerotor drive key (16) in place on shaft (23) and slide gerotor set (21) on shaft and over gerotor drive key.5. Place gerotor housing (19) in place and locate in dowel holes. Care should be taken that "O" ring (10) is located properly and not pinched when rotor housing (19) is firmly seated. Precaution must be taken so the gerotor drive key (17) does not damage the front housing face (1). This can be achieved by keeping the shaft assembly in its proper place.6. An ample amount of clean petroleum oil should be applied to the gerotor set before the body (24) is placed over the shaft and located by the dowels (17). Care should be taken that "O" ring (10) is located properly and not pinched when body (24) is firmly seated.7. Place 6 screws (20) with lock washers (14) in place thru from body (24). Place six lock washers (14) and six nuts (15) on screws (20) and torque nuts to 600 inch pounds using a sequence of torquing opposite nuts. *Shaft to be rotated while nuts are being torqued.8. Place flange (26) which includes seals (11) and (28) and "O" ring (9) over shaft and locate on front housing (1). Place four screws (13) in flange and torque to 600 inch pounds. Note: Care should be taken not to damage seals when sliding over shaft. Coat seals with grease before assembly.9. Install shaft drive key (25) in shaft keyway and the HPI unit is ready for installation.
HPC-110