Mercury Optimax 115 Service Manual page 396

RIGHT HAND NON-RATCHETING
19. Start cover nut a few turns by hand, then using Cover Nut Tool (91-61069) and torque
wrench, torque cover nut to 210 Ib. ft. (285 Nm).
a -
b -
c -
20. Bend one lock tab of tab washer into cover nut (only one will align).
21. Bend remaining tabs of tab washer toward front of gear housing.
22. Use Shift Shaft Bushing Tool (91-31107) and torque shift shaft bushing to 30 Ib. ft.
(41 Nm).
Water Pump
REASSEMBLY/INSTALLATION
1. Install oil seals into water pump base, as follows:
a. Place water pump base on a press.
b. Just before installing each seal apply Loctite 271 on outside diameter of oil seal.
c. With a suitable mandrel, press the smaller diameter oil seal into pump base with
d. With a suitable mandrel, press the larger diameter oil seal into pump base with lip
e. Wipe any excess Loctite from oil seals and water pump base.
2. Install O-ring into O-ring groove of water pump base. Lubricate O-ring and oil seals
with 2-4-C w/Teflon Marine Lubricant (92-90018A12).
a -
b -
c -
Page 6A-42
O-ring
Cover Nut Tool
Torque Wrench
lip of oil seal toward impeller side of base.
of oil seal toward gear housing side of base.
c
Mandrel
Oil Seal (Smaller OD)
O-ring Groove
a
b
a
b
c
51871
51869
90-855347R1 JANUARY 1999