BOMBARDIER SEA-DOO SPX 5838 1998 Shop Manual page 10

INTRODUTION
Title indicates main
procedure to be
carried-out.
Service tool to be
used to perform a
certain procedure.
Title in italic indicates a
particular procedure
concerning a model.
Sub-sub-title in this
case indicates that
particular procedure
for XP is finished, so
from this point, all
others models are
concerned.
F01A0AS
VIII
TYPICAL PAGE
CARBURETOR REMOVAL
To remove carburetors from engine, proceed as fol-
lows:
Remove air vent tube support.
Unlock retaining slides holding air intake silencer base.
Remove air intake silencer base from watercraft.
Remove screws holding flame arrester base support
to cylinder head cover.
Unscrew base retaining screws then remove base from
carburetors and move to front of watercraft.
Turn the valve to OFF position.
NOTE: For fuel line removal, use pliers (P/N 295
000 054).
Disconnect pulse line from fuel pump.
Disconnect fuel fuel supply line from fuel pump.
Disconnect fuel return line.
Disconnect oil injection pump cable, throttle cable and
choke cable.
XP Model Only
Remove screws no. 6 and lock washers no. 7 retaining
carburetors.
All Others Models
Remove 4 bolts no. 8 and lock washers no. 12 from
rotary valve cover then move carburetors and rotary
valve cover on top of engine.
NOTE: When removing rotary valve cover , pay
attention that the rotary valve stay in place, other-wise
it must be timed.
Remove carburetors from intake manifold.
Disconnect fuel bypass line between carburetors (twin
carburetors).
Remove carburetor(s) from rotary valve cover.
Bold numbers in the
text refer to the parts
Numbers are used
shown in the exploded for description of
view at the beginning
of the subsection.
Sub-title with part
number(s) from exploded
view followed by part
name(s).
Section 06 FUEL SYSTEM
Subsection 03 (CARBURETORS)
DISASSEMBLY AND INSPECTION
Inspect parts for corrosion dammage (shaft, butterfly,
spring screw, check valve housing, etc.).
3, Diaphragm
PUMP DIAPHRAGM LEAK TEST
Using a suitable pump gauge tester, perform the fol-
lowing test proceeding as follows:
- Install pump gauge tester (P/N 295 000 083) on pulse
nipple.
- Pump tester until it reaches 28 kPa (4 PSI).
1
2 1
F01F0XB
TYPICAL
Step : Install pump gauge tester to pulse nipple
1
Step : Pump tester until it reaches the desired pressure
2
1. Fuel outlet nipple
2. Fuel inlet nipple
A. 28 kPa (4 PSI)
Diaphragm must stand pressure for 10 seconds. If
pressure drops, replace diaphragm.
components.
Sub-sub-title in
capital indicates a
particular testing,
adjustment or
repair procedure.
A
Illustration
always follows
text it is
pertained to.
"TYPICAL" mention
2
indicates a general
view which does not
represent full detail.
Numbers in a frame
are used to give a
sequence to be
perfomed.
Letters are used for
any measures.
06-03-4