Sea-doo GTX Limited iS 255 2009, Shop Manual

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Section 02 ENGINE
Subsection 05 (INTERCOOLER)
GENERAL
During assembly/installation, use torque values
and service products as in the exploded view.
Clean threads before applying a threadlocker. Re-
fer to
SELF-LOCKING FASTENERS and LOCTITE
APPLICATION
at the beginning of this manual for
complete procedure.
WARNING
Torque wrench tightening specifications
must be strictly adhered to.
Locking devices (e.g.: locking tabs, elastic
stop nuts, cotter pins, etc.) must be replaced
with new ones.
Hose, cables or locking ties removed during a
procedure must be reinstalled as per factory stan-
dards.
MAINTENANCE
INTERCOOLER FLUSHING
Flushing the intercooler with fresh water is essen-
tial to neutralize corroding effects of salt or other
chemical products present in water. It will help to
clean up sand, salt, shells or other particles in in-
tercooler.
NOTE: Intercooler is flushed with the exhaust
system, as they are on the same circuit.
Exhaust system and intercooler should be flushed
each time:
– Watercraft is used in salt water and is not ex-
pected to be used further the same day.
– Watercraft is used in foul water.
– Watercraft is stored for any extended time.
Refer to
EXHAUST SYSTEM
subsection for flush-
ing procedure.
NOTICE
Failure to flush the system, when
necessary, will severely damage engine inter-
cooler and/or exhaust system.
PROCEDURES
INTERCOOLER
WARNING
Let engine cool down prior to work on or near
intercooler.
Intercooler Cleaning
If temperature in intake manifold is too high or if
engine is down in performance, intercooler may
require to be cleaned.
The exhaust system should be flushed first, as it
may unclogged the intercooler. If not, then pro-
ceed with the intercooler cleaning procedure as
detailed here.
NOTE: The exhaust temperature will decrease
when the intercooler is clogged because more
water is rerouted through the exhaust system.
To clean the intercooler, do the following:
NOTICE
Never try to clean the intercooler
with chemical products. Only use fresh water.
Chemical products will permanently damage
the internal parts of intercooler.
1. Remove the INTERCOOLER from the water-
craft. See procedure further in this section.
2. Pour fresh water into the water outlet fitting.
smr2009-019-008_a
1. Intercooler water outlet fitting
2. Intercooler water inlet fitting
3. Let water into intercooler for many hours. Oc-
casionally, shake the intercooler to soak off de-
posits.
4. Rinse the intercooler using a garden hose in-
stalled on water outlet.
5. Let water flows out of intercooler a few min-
utes to evacuate internal deposits.
6. Check water flow.
WATER FLOW
1. Repeat cleaning procedure.
Low or erratic
2. Replace the intercooler.
High and regular Intercooler is not clogged.
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smr2009-019