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9928491 R04 - 2017-2018 RZR XP Turbo / XP4 Turbo Service Manual

3.25

4. With the use of an air regulator and pressure gauge,

attach an air supply line to the actuator pod pressure

reference port, located on the top of the canister.

5. Slowly apply pressure to the actuator, and watch the

indicator dial. Once the indicator dial has indicated a

displacement of .070″ (1.75 mm), observe the line

pressure reading after the air pressure regulator.

NOTE

The intended actuator preload should result in a

displacement of .070″ (1.75 mm) at 7 PSI supplied air

pressure. Having a correctly preloaded actuator will

help ensure correct turbocharger response and boost

pressure.

6. To adjust actuator preload, start by loosening the two

(13mm) lock nuts on the actuator rod, keeping in

mind the actuator rod itself is a left hand thread.

7. Using the same method of applying air pressure to

the canister as previously mentioned, the large

turnbuckle can be turned to adjust actuator preload,

until the desired preload is met. This correct preload

will result in .070″ (1.75 mm) of displacement on the

wastegate flapper at a supplied pod pressure of 7

PSI. The nuts may be locked in place once again

using the (17mm) flats found on the actuator rod

turnbuckle.

NOTE

The preload may change when the lock nuts are

torqued. Ensure the correct preload is still measured

after locking the actuator rod turnbuckle in place.

ACTUATOR POD REMOVAL

1. Locate the actuator rod heim joint, located opposite to

the actuator pod.

2. Holding the opposite 13mm hex nut, loosen the bolt

securing the heim joint with a 4mm Allen key.

3. Remove both pieces to free the Heim joint from the

assembly.

ENGINE / COOLING SYSTEM

Polaris RZR XP Turbo User Manual

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