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8.3 SPECIAL INSTRUCTIONS - 64/67 SERIES
Continue assembly:
A. Prepare cover (6). Place fl ange side down, install fi rst of two snap rings (78) into innermost groove.
Press in fi rst of 2 ea. Mechanical seals (54A) lightly silicone outer case of seal. Press seal with carbon
side down until seated against the snap ring . Careful not to distort snap ring.
B. Install second snap ring (78) into outer groove. Place mating ring from 1st seal into cover with lap
surface up. Press second mechanical seal (54) in, carbon side groove down until seated against outer
snap ring. Carbon will seal against mating ring when cover is installed on drive shaft.
8.3.1 DRIVE SHAFT ASSEMBLY
A. Install one thin spacer (74) onto drive shaft so it is next to bearing with groove out. Install one o-ring
(75) to seat in the groove of the spacer. Lightly oil face of mating ring, install onto shaft with lapped
surface out. Install large spacer (77) with groove side facing mating ring. Install thin spacer (74) with
groove out, install o-ring (75) so it will seat into groove.
B. Remove temporary hold down bolts, place bead of silicone around periphery of the end plate (4)
encircling each bolt. Install gear end cover and tighten bolts. Install large spacer (77) with groove out,
install free end spacer, install dust cover (82) and lock nut. Install pipe plug (85) into bottom nose piece
in cover (6) silicone plug.
C. Fill with oil until oil can be seen in the middle hole, install pipe plug (85). Continue to fi ll to proper level.
Wait 2 minutes before installing the last pipe plug (85) to make sure proper oil level is maintained.