3.100
9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
© Copyright Polaris Industries Inc.
ENGINE ASSEMBLY - LOWER END
CRANKCASE ASSEMBLY – PTO SIDE
1. Lubricate all crankcase bearings with engine oil.
Clean sealing surface to remove all oil sealant.
NOTE
Apply Loctite® 641 to the inner race of each of the
crank bearings.
2. Place crankcase on a sturdy work bench.
3. Carefully set the PTO crankcase onto the PTO side of
the crankshaft.
4. Align the connecting rod with the cylinder area of the
crankcase.
5. Install the crankshaft removal / installation tool on to
the PTO side crankcase.
Crankshaft Removal / Installation Tool
PU-50784
• Install plate
q
over adapter
w
.
• Evenly attach the assembly
q
onto the PTO side
crankcase flange using the four bolts provided with
tool.
• Place the nut and large washer onto the crankshaft
installation screw
e
.
• Insert the crankshaft installation screw through the
threaded portion of the adaptor
w
.
• Fully thread the crankshaft installation screw into
the clutch bolt threads of the crankshaft.
• With the help of an assistant holding the
crankshaft, firmly hold the crankshaft installation
screw with a wrench while tightening the large nut
against the adaptor
w
.
6. With the help of an assistant, slowly tighten the nut
until the crankshaft is completely seated into the
crankcase bearings.
7. Remove the crankshaft removal / installation tool
from the crankcase.
ENGINE / COOLING SYSTEM
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