7.
On Bravo Drive Equipped Models: Insert a
small wire (repeatedly) to make sure that speed-
ometer pitot tube, trim tab cavity vent hole, and
trim tab cavity drain passage are unobstructed
and drained.
MIE (Inboard) Models
NOTICE
Refer to “Cold Weather or Extended
Storage,” “Precautions,” in this section,
BEFORE proceeding.
1.
Engine must be as level as possible to ensure
complete draining of cooling system.
NOTE: It may be necessary to lift, bend, or lower
hoses to allow water to drain completely when hoses
are disconnected.
b
2.
On Engines Without Risers: Disconnect port
and starboard heat exchanger-to-exhaust elbow
hoses and lower to drain.
b
a
c
71217
Typical Bravo Drive Unit
a - Speedometer Pitot Tube
b - Trim Tab Cavity Vent Hole
c - Trim Tab Cavity Drain Passage
8.
9.
Crank engine over slightly with starter motor to
purge any water trapped in seawater pickup
pump. DO NOT ALLOW ENGINE TO START.
After seawater section of cooling system has
been drained completely, coat threads of drain
plugs with Quicksilver Perfect Seal. Install all
drain plugs and tighten securely. Reconnect all
hoses and tighten all hose clamps securely.
a
71504
Typical Engine Without Risers
a - Hose, To Starboard Exhaust Elbow
b - Hose, To Port Exhaust Elbow
Index
90-823224--2 796
MAINTENANCE - 1B-31
Product Specification
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
Model Year | 1993, 1994, 1995, 1996, 1997 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you