Manual Tilt System Cleaning And Inspection; Manual Tilt System Reassembly - Mercury 75 Service Manual

Manual Tilt System Cleaning
and Inspection
1. It is recommended that all O-rings exposed dur-
ing disassembly be replaced.
2. Clean components, filter, and check valve seats
using engine cleaner and compressed air. Do not
use cloth rags.
3. Inspect all machined surfaces for burrs or scoring
to assure O-ring longevity.
4. Inspect shock rod. If scraper (located in cap) has
failed to keep rod clean, replace scraper.
Manual Tilt System
Reassembly
IMPORTANT: Components must be dirt and lint
free. Slightest amount of debris in tilt system
could cause system to malfunction.
Apply Quicksilver Power Trim and Steering Fluid to
all O-rings during reassembly. If not available, use
automotive (ATF) automatic transmission fluid.
CAM SHAFT REASSEMBLY
IMPORTANT: Cam shaft O-ring must be lubri-
cated using 2-4-C with Teflon (92-825407A12).
1. Install lubricated O-ring and back up seal to cam.
2. Install shaft seal in valve block with lips facing out.
3. Install cam shaft assembly in valve block.
4. Secure cam shaft in place using insulator, retain-
er plate, and screw. Tighten screw securely.
d
b
a
95
2-4-C With Teflon (92-825407A12)
a - Spacer Retainer Clip
b - Retainer Clip
c - Screw
d - Shaft Seal
e - O-ring
f - Back up Seal
g - Cam
90-830234R3 DECEMBER 1997
g
e f
c
95
VALVE BODY CHECK REASSEMBLY
1. Install lubricated O-ring, plunger, steel ball and
conical spring to valve block.
a - Conical Spring
b - Steel Ball
c - Plunger
d - O-ring
VELOCITY VALVE REASSEMBLY
1. Install spool, spring, lubricated O-ring and screw
plug (surge valve assembly) into valve block.
2. Torque screw plug to 75 lb. in. (8.5 N m).
a - Spool
b - Spring
c - O-ring
d - Screw Plug - Torque to 75 lb. in. (8.5 N m)
a
b
c
d
51145
a
b
c
d
MID-SECTION - 5E-27