Crankshaft End Play Inspection; Engine Assembly/Inspection/Adjustments - Polaris 2009 Trail Boss 330 Service Manual

4. Measure the width of the crankshaft at the
bearing seats or, if PTO bearings are installed, the
width from MAG side bearing seat to the outside
race of the PTO bearings with a micrometer or dial
caliper and record.
NOTE: If PTO bearings are not installed,
measure the width of the bearings and add to
crankshaft width.
Crankshaft Width
5. Subtract the Crankshaft Width measured in Step
4 from the Total Case Width recorded in Step 3,
and record below.
Total End Play
6. Subtract the thickness of the existing shim from
the result of Step 5 to determine if a different shim
is required. The result must be within the
specified range listed below.
decrease shim thickness as required to bring end
play within range.
Crankshaft End Play:
008"-.016" (.02-.04 cm)
ENGINE ASSEMBLY/
CONNECTING ROD
INSTALLATION
1. Clean all oil off connecting rod, connecting rod
cap and bearing inserts.
2. Install bearing inserts onto connecting rod and
cap.
NOTE: First, install bearing tab into groove, then
press the rest of the bearing into place.
3. Apply assembly lube onto the connecting rod
bearings and crank pin.
4. Install rod and cap onto the crankshaft. Ensure
that I.D. marks are aligned.
NOTE:
marking of connecting rod and cap. Ensure that each
part is installed in its original location by noting the
marks placed on the parts during disassembly.
Increase or
5. Tighten rod cap nuts to 1/2 torque specification,
then full torque.
6. Verify that the connecting rod is free to rotate on
the crankshaft journal.
Procedure during disassembly called for
Rod Nut Torque:
29-33 ft. lbs. (39-45 Nm)
ENGINE
Marks
3.33