JLG 800A Service And Maintenance Manual page 113

SECTION 3 - CHASSIS & TURNTABLE
19. Assemble a new seal ring (4) into end cover (2) and
assemble end cover over the alignment studs and onto
the commutator set. If the end cover has only 5 bolt
holes be sure the cover holes are aligned with the 5
threaded holes in housing (18).The correct 5 bolt end
cover bolt hole relationship to housing port bosses.
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