Polaris 2014 Sportsman 570 EF, Руководство по обслуживанию

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9924871 R03 - 2014 Polaris Sportsman® 570 EFI Service Manual
© Copyright 2013 Polaris Sales Inc.
8. Install the Cylinder Holding and Camshaft Timing
Plate (PU-50563) into the end of camshafts as
shown below. The thermostat housing must be
removed to install the timing plate PU-50563.
9. Measure the valve clearance of each valve using a
thickness (feeler) gauge. Record the measurement if
clearance is out of specification.
Intake Valve Clearance (cold):
.006 ± .002″ (0.150 ± .050 mm)
Exhaust Valve Clearance (cold):
.008 ± .002″ (0.200 ± .050 mm)
10. If any of the valve clearance measurements are out
of specification, remove the camshaft carrier and
camshafts and proceed with this procedure.
NOTE: If all valve clearance measurements are
within
specification, remove the camshaft
carriers and proceed to “Camshaft Installation /
Timing”.
11. Remove the valve tappet (Item 1) from a valve that
was out of specification.
NOTE: Keep mated parts together and in order
with respect to their location in the cylinder head
for assembly purposes. Mark each component or
place them in an organized rack as you remove
them.
12. Record the 3 digit number engraved on top of the
tappet.
13. Reference the valve clearance measurement
recorded for that valve, along with the 3-digit tappet
number.
14. Refer to the appropriate tappet selection matrix
(Intake or Exhaust) on the following pages and select
the proper tappet.
15. Install the new tappet.
NOTE: Lubricate the outer portion of the valve
bucket upon installation.
16. Repeat steps until all necessary valves have been
adjusted.
17. Reinstall the camshafts and camshaft carriers and
tighten the bolts evenly to specification.
Camshaft Carrier Bolts:
7.5 in-lbs (10 Nm)
18. Measure and confirm that valve clearance is now
within specification for each valve.
19. If valve clearance is not within specification, repeat
this procedure.
ENGINE