Echo Backpack Blower PB-8010M

Fuel cap gasket (A) and connector (B) inspected for cuts or damage

Replaced damaged parts with new ones

Fuel strainer (C) pulled out from fuel tank using a wire hook (D)

Fuel strainer: Clean / Replace (100 Hourly / 3 Monthly)

Sign off on the fuel cap / strainer inspection

Confirm throttle plate (A) contacts tip of Throttle adjust screw (B) when throttle trigger is in idling position

Make sure carburetor becomes WOT (wide open throttle) when throttle trigger is fully squeezed

If result of 1 and 2 is not sufficient, loosen nut (C) and adjust nut (D) to obtain correct position and movement

After confirming throttle cable inner wire moves smoothly when throttle trigger is squeezed, fasten nut (C) to fix outer throttle cable

NOTE: Throttle cable can be adjusted by turning bolt (J) in handle grip

Sign off on the throttle cable maintenance

Warning: Ensure you have the correct tools and safety equipment before starting the procedure.

Remove four precoated bolts (K) and washers

NOTE: When retighten the precoated bolts (K), replace new ones or apply thread locking sealant ThreeBond #1324N. If old thread locking sealant is left in threads, correct torque may not be secured. In case old thread locking sealant is left, remove it.

Pull up head of clip (M) as shown to remove the clip

Remove back cushion (E) from backpack frame

Remove fuel tank band and fuel tank

Detach debris guard from ten tabs on backpack frame

Ensure ten tabs on backpack frame are fully engaged with holes on debris guard

Assemble spring and spring holder and install spring to backpack frame

Inspect piston ring (A) and replace it if broken, scored, or exceeded service limits (Refer to “1-5 Service limits”).

Inspect piston crown (B). Clean with fine sand paper, oil stone, and soft cleaning brush (C) if carbon is found.

Inspect top land (D), ring groove and skirt (E). Clean them with soft cleaning brush (C), if carbon is found.

NOTE: Do not use square end of broken piston ring when cleaning piston ring groove, otherwise piston ring groove might be damaged.

Remove snap rings from both sides of piston pin.

Push piston pin out from piston.

NOTE: If piston pin is tight, use piston pin tool 897702-30131 (F) with adapter (G) stamped “8” on an end and piston holder 897719-02830 (H).

Inspect needle bearing and washers, and replace if wear or discoloration is noted.

Sign off on the piston / piston ring inspection