7C-6 - RISERS 90-823225--1 1096
Maintenance Instructions
Maintenance inspection is owner’s responsibility and
must be performed at intervals specified in owner’s
“Operation and Maintenance Manual”.
1. Check to ensure exhaust elbow and manifold fas-
teners are adequately tightened.
2. Check to ensure hose clamps are adequately
tightened.
3. Check area around exhaust elbows, manifolds
and riser gaskets for leakage. Replace gaskets,
if necessary.
4. IF THE POSSIBILITY OF FREEZING EXISTS,
remove drain plug from the exhaust elbow riser
and allow water to drain completely. Install drain
plug with Quicksilver Perfect Seal applied to
threads. In closed cooling MCM 454 / 502 Mag-
num and MIE 8.2L Bluewater Inboard en-
gines, remove water hose to allow water to
drain.
!
CAUTION
Water must be completely drained from exhaust
elbow riser during freezing temperatures. Failure
to perform draining procedures can cause se-
vere damage.
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