Tuthill PD Plus 1215 - Completing Gear End Assembly; Completing Free End Assembly

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8.2.5 COMPLETING GEAR END ASSEMBLY
23. Press drive shaft bearing (50) on drive shaft (45). Remove the three cap screws from drive gear and
install in the drive gear. Clean and remove all burrs from mating surfaces of the gear and drive shaft
ange. Install with cap screws (66).
Torque gear cap screws at this time. Check drive shaft run out at the seal journal. Do not exceed
.003” T.I.R. (.13 mm)
Series 19/86/55/82: Secure bearing with Lockwasher (320) and locknut (319). Bend over tab to lock
in place.
24. Grease and install O-ring (302). To aid in the installation of the gear cover (6) a tool as shown on page
36 should be made to hold the outer race of the bearing square with the shaft. Side the cover over the
tool and secure with cap screws (26).
25. Series 19/86/55/82: Press lip seal (13) into adapter plate (46) with lip facing inward. Grease lip,
install O-ring (314) then carefully install assembly over drive shaft.
Series 66/69: Grease and install O-ring (140) on adapter ange and O-ring (88) in the bore of
adapter. Clean mating ring (76A) with soft tissue and acetone and install on adapter while aligning
pin (300) with slot in mating ring. The larger surface area of the mating ring face inward. Install
retaining ring (78), using spanner wrench. Tighten set screws (90).
Lubricate seal O-ring and hand press seal (76B) into the seal housing (91) making sure to align the
two dimples on the bottom of the seal with corresponding holes in the seal housing. Clean carbon
surface with soft tissue and acetone. Grease and install O-ring (314) around the seal bore. Place a
few drops of lubricating oil on the mating ring, then carefully install assembly over the drive shaft on to
the cover. Secure with cap screws (30 & 93).
8.2.6 COMPLETING FREE END ASSEMBLY
26. Grease and install O-ring (302) in end plate groove. Install oil pump drive shaft (310) and oil slinger (20)
on rotor shaft and secure with cap screws (309).
27. Align drive shaft slot with oil pump tang and carefully slide cover over shaft and onto dowel pins in
end plate. Tap cover gently until contact with O-ring is made. If gap remains recheck slot and tang
alignment for proper engagement. Secure cover with cap screws (26).
NOTE
If oil pump assembly (144) is being replaced, install cover rst, then install
O-ring (325) and oil pump.
28. Complete assembly by reinstalling or connecting all remaining oil lines, sight glass, etc. Oil lter element
should always be replaced with factory lter when overhauling a unit. Fill with lubricant to proper level
on column sight glass.