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Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 1106
Section 04 ENGINE (4-TEC)
Subsection 06 (CRANKSHAFT/DRIVE GEARS)
CRANKSHAFT JOURNAL DIAMETER
(PTO SUPPORT BEARING)
NEW MINIMUM
37.984 mm (1.4954 in)
NEW MAXIMUM
38.000 mm (1.4960 in)
SERVICE LIMIT
37.960 mm (1.4945 in)
CRANKSHAFT PTO SUPPORT BEARING
RADIAL CLEARANCE
SERVICE LIMIT
0.08 mm (.0031 in)
Crankshaft Radial Play (alternator side
— oil supply hole)
Measure crankshaft on alternator side journal for
oil supply hole. Compare to inside diameter of oil
supply hole in ignition cover (refer to IGNITION
COVER in COOLING SYSTEM).
2
1
R1004motr19A
1. Micrometer
2. Crankshaft area (journal for oil supply hole)
CRANKSHAFT JOURNAL DIAMETER
(OIL SUPPLY HOLE)
NEW MINIMUM
19.987 mm (0.7869 in)
NEW MAXIMUM
20.00 mm (0.7874 in)
SERVICE LIMIT
0.08 mm (.0031 in)
CRANKSHAFT PTO SUPPORT BEARING
RADIAL CLEARANCE
SERVICE LIMIT
0.08 mm (.0031 in)
Installation
For installation, reverse the removal procedure.
Pay attention to following details.
NOTE: Use NEW bushings no. 3, when connect-
ing rod big end diameter is out of specification.
Put bushings correctly in place and clean the split
surface on both sides (cracked area) carefully.
2
1
R1004motr20A
3
1. Half bushing of connecting rod big end
2. Split surface of the connecting rod
3. Noseofbushinginlinewithconnectingrodgroove
NOTE: Oil the plain bearing of the connecting rod
before installation.
Torque NEW connecting rod screws no. 4 as per
following procedure:
– Torque connecting rod screws to 20 N•m
(177 lbf•in). Do not apply any thread locker
product.
– Torque connecting rod screws to 45 N•m
(33 lbf•ft).
– Finish tightening the screws with an additional
90° turn using an angle torque wrench.
CAUTION: Failure to strictly follow this proce-
dure may cause screw to loosen and lead to en-
gine damage. The bushing tapered end must
be against the counterweight. Besides, as the
"crankpin" screw has been stretched from the
previous installation, it is very important to use
a new screw at assembly.
Take care during installation that the connect-
ing rods are not installed with a twist. The run-
ning direction of the big end bearings and of
the piston pins must not change.
Do not mix up the connecting rods of cylinders 1
and 2 during installation.
240 mmr2005-026
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