LOWER UNIT - 6-2990-826148R2 MARCH 1997
8. Install locknutand washer. Torquenut to40 lb.ft.
(54.2 N·m).
52833
a
a - Locknut and Washer [Torque Nut to 40 lb. ft. (54.2 N·m)]
9. Check shift operation.
a. In NEUTRAL, propeller shaft should turn
freely in either direction.
b. InFORWARD,propellershaftSHOULDNOT
TURN COUNTERCLOCKWISE.
c. In REVERSE, propeller shaft SHOULD NOT
TURN IN EITHER DIRECTION.
IMPORTANT: If shift operation is not as described,
remove the gear housing and correct the shift opera-
tion.
Trim Tab Adjustment and
Replacement
IMPORTANT: The trim tab is made of a special
alloy to aid in protecting the drive shaft housing
and gear housing from galvanic corrosion (cor-
rosion and pitting of metal surfaces). Do not
paint or place protective coating on the trim tab,
or trim tab corrosion protection function will be
lost.
Replacetrimtabif50%(ormore)consumed.Marklo-
cation of old trim tab on anti-ventilation plate before
removal; install new trim tab in same location.
1. Check trim tab position as follows:
a. Operate boat at the speed at which it would
normally be operated.
b. If the boat pulls to the right (starboard), the
trailingedge oftrim tabmust bemovedto the
right.Iftheboatpullstotheleft(port),thetrail-
ingedgeoftrimtabmustbemovedtotheleft.
2. If necessary, adjust trim tab as follows:
a. Shift engine control into NEUTRAL and turn
ignition key to “OFF” position.
NOTE: Loosen trim tab bolt sufficiently to allow trim
tabtodisengagefromlockingridgesingearcasebe-
fore attempting to move tab. DO NOT strike trim tab
with a hard object to make adjustments.
b. If boat pulls to the left, adjust trailing edge of
trimtabtotheleft.Ifboatpullstotheright,ad-
just trailing edge of trim tab to the right.
52835
a
b
c
a - Trim Tab
b - Anti-Ventilation Plate
c - Retaining Bolt and Washer; Torque Bolt to 15.8 lb. ft. (21.4
N·m)
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