Polaris 2014 Sportsman 570 EF, Руководство по обслуживанию

Страница: 136 / 456

3.78
9924871 R03 - 2014 Polaris Sportsman® 570 EFI Service Manual
© Copyright 2013 Polaris Sales Inc.
Crankshaft Removal
1. Remove the engine from the engine stand and place
the assembly on a sturdy work bench.
2. Remove the bolts securing the bearing retainer plate
to the crankcase. Remove the bearing plate.
3. Install the crankshaft removal / installation tool
4. PU-50784 on to the PTO side crank case.
• Install plate “A” over adapter “B”.
• Evenly attach the assembly onto the PTO side
crankcase using the (4) bolts as shown below.
• Thread the crankshaft removal screw “C” into
adapter “B”.
5. With the help of an assistant holding the crankshaft,
slowly tighten the screw “C” until the crankcase is
completely separated from the crankshaft.
6. Remove all special tools from the crankcase.
Crankshaft Inspection
NOTE: The connecting rod uses plain bearings. The
connecting rod bearings are not serviceable. If ANY
excessive wear or movement is present or if the rod
does not rotate on the crankshaft freely, the
crankshaft assembly must be replaced.
1. Use a feeler gauge to measure the connecting rod
big end side clearance (A).
Connecting Rod Big End Side Clearance:
0.00590-.01771” (.15 - .45mm)
2. Measure the connecting rod small end I.D. (B).
Small End I.D. Standard:
0.8665” - 0.8670” (22.010 - 22.023 mm)
Service Limit: 0.08682” (22.053 mm)
ENGINE