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Section 04
ENGINE
Subsection 05
(TOP END)
SMR2000-010_04_05A.FM
04-05-19
Piston
At assembly, place the pistons
no. 3
with the let-
ters “AUS” (over an arrow on the piston dome)
facing in direction of the exhaust port.
1. Exhaust side
NOTE:
On the 787 RFI and 947 engines, the ex-
haust ports are located on the same side as the
intake.
Carefully cover crankcase opening as for disas-
sembly.
Piston Pin and Roller Bearing
To install roller bearing
no. 4
and piston pin
no. 6
use, piston pin puller (P/N 529 035 503) with the
appropriate set of sleeves as for disassembly.
– Replacement bearings are held in place by a lo-
cating sleeve outside and 2 plastic cage halves
inside.
– Push needle bearing together with inner halves
out of the locating sleeve into the connecting
rod bore.
– Replace the inner halves by the appropriate
sleeve tool in the connecting rod bore.
– Insert piston pin into piston until it comes flush
with inward edge of piston hub.
– Warm piston to approximately 50-60
°
C (122-
140
°
F) and install it over connecting rod.
NOTE:
Make sure thrust washers are present each
side of needles.
– Install the shoulder sleeve tool on the opposite
side of the piston pin.
1. Piston pin
2. Shoulder sleeve
– Insert extractor spindle into the piston pin,
screw on extracting nut.
1. Puller installed on the opposite side of the piston pin
2. Tighten extracting nut
– Rotate handle to pull piston pin carefully into the
piston.
Plastic Mounting Device Method
This is an alternate method when no service tool
is available.
Replacement roller bearings are delivered in a con-
venient plastic mounting device. For installation,
proceed as follows:
– Align replacement roller bearing with connect-
ing rod bore.
– Carefully push inner plastic sleeve into connect-
ing rod bore;
outer plastic ring will release roll-
ers.
A01C01A
AUS
1
F00B0OA
2
1
F00B0PA
1
2
www.SeaDooManuals.net
Содержание 2001 GS
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