BOMBARDIER SEA-DOO GS 5626 1998, Shop Manual

Page: 121 / 426

Section 04 ENGINE
Subsection 06 (BOTTOM END)
04-06-17
Proceed as follows to check if the gear no. 14 is
properly positioned on the counterbalance shaft:
– Temporarily install the counterbalance shaft in
the crankcase.
– Rotate the counterbalance shaft to align the
notch of the gear with the crankcase.
1. Gear notch aligned with the crankcase
– The notch of the couterweight on the opposite
end of the counterbalance shaft must also be
aligned with the cranckcase.
1. Counterweight notch aligned with the crankcase
If notches are not aligned with the crankcase, re-
move the gear and repeat the procedure until the
notches are properly aligned.
947 Engine
Install bearing no. 31 and washer no. 32 .
When installing seals no. 17 , apply a light coat of
synthetic grease on seal lips.
Prior to installation, place bearings no. 15 into a
container filled with oil, previously heated to 75°C
(167°F). This will expand bearings and ease their
installation.
Reinstall counterweights no. 16 using a press and
take care to align index marks previously traced.
3,13, Crankshaft and Counterbalance
Shaft
787 and 947 Engines
Install crankshaft first in crankcase.
After crankshaft installation, install counterbal-
ance shaft. Make sure to properly index crank-
shaft and counterbalance shaft by aligning marks
of gears.
787 ENGINE
1. Marks must be aligned
F00D0UA
1
F00D0VA
1
-
CAUTION
Marks on the crankshaft and counterbalance
shaft must be aligned, otherwise engine will
vibrate and premature wear will occur.
F00D0PA
1