Polaris 2012 RANGER RZR 570, Руководство по обслуживанию, Страница: 70 / 403

3.18
ENGINE / COOLING SYSTEM
9923523 - 2012
RANGER
RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
Thermostat Replacement
1. Remove the hood from the front cab.
2. Remove the pr essure cap to reliev e any sys tem
pressure (see “Pressure Cap Test”).
3. Drain coolant to a level below the thermostat housing.
4. Remove the cargo box access panel.
5. Remove the spark plug wire from the engine.
6. Remove th e (2 ) bo lts (X) retai ning the th ermostat
cover.
7. Lift the co ver from th e en gine a nd r emove the
thermostat.
8. Reverse th is p rocedure for in stallation. Re place
thermostat seal if wor n or da maged. T orque
thermostat cover bolts to specification.
9. Be sure to properly fill and bleed cool ing system as
outlined in this chapter.
Cooling System Bleeding Procedure
NOTE: If the coolant level is LOW in the radiator, or
if there are leaks in th e system, the coolant system
will not draw coolant from the reservoir tank.
NOTE: It may be necessary to safely raise the front
of the vehicle 1 2” ( 30 c m) to blee d the c ooling
system.
1. Allow engine and cooling system to completely cool.
2. Remove the hood.
3. Remove the recovery bottle cap (A) and fill the bottle
to the MAX line.
WARNING
The cooling system is under pressure and
serious burns may result.
Allow the engine to cool before servicing.
=
T
Thermostat Cover Bolts:
7.5 ft. lbs. (10 Nm)
X
WARNING
Always wear safety glasses and proper shop
clothing when performing the procedures in this
manual. Failing to do so may lead to possible
injury or death.
CAUTION
Use caution when performing these procedures.
Coolant may be hot and may cause
severe injury or burns.
CAUTION
Be sure the engine has cooled and no pressure
is built up in the cooling system before removing
the pressure cap. The coolant may be hot and
could cause severe injury or burns.
B
A
MAX Line