Maintenance and Service Intervals

It is strongly recommended to follow the tables in the below sections to regularly inspect the Hybrid Module and avoid potential failures. You can find the operation hours of the Hybrid Module by using the X55's controller/GCS. During system initialization, the hours will be shown in the "Messages" window.

Service Intervals

Before And After Use

Items	Actions	Note	Reference Image
Leakage, damage, cracks	Check	Observe around engine, exhaust, and fueling system to look for any signs of leaking, damage, or cracks	N/A
Idling Speed	Check	Make sure the engine is running smoothly and maintaining a low RPM in the IDLE state	N/A
Air filter	Check	Check for firm attachment to the intake and make sure it is not excessively dirty

Every 5 Flights (includes everything in the section above)

Items	Actions	Note	Reference Image
Exhaust Pipe & Bolts	Check	Inspect for any sign that the exhaust fasteners are loose. Use a stubby 8mm wrench to tighten if any sign of looseness is noticed. CAUTION! HOT! DO NOT ATTEMPT UNTIL THE EXHAUST HAS SUFFICIENTLY COOLED DOWN!

Every 25 hours (includes everything in the section above)

Items	Actions	Note	Reference Image
Spark plug	Replace	Follow instructions provided in the maintenance procedures section of the Operation Manual
Fuel Filter	Replace	Follow instructions provided in the maintenance procedures section of the Operation Manual
Fuel Injector	Inspect	Follow instructions provided in the maintenance procedures section of the Operation Manual

Every 60 hours (includes everything in the section above)

Items	Actions	Note	Reference Image
Air filter	Clean or Replace	Follow instructions provided in the maintenance procedures section of the Operation Manual
Backup Battery Health (Check after every 60 hours or every 3 months)	Check	Follow instructions provided in the maintenance procedures section of the Operation Manual	N/A

Every 150 hours (or under specific guidance from Arcsky Technical Support) (includes everything in the sections above)

Items	Actions	Note	Reference Image
Engine Core	Replace	Follow instructions provided in the Hybrid Module Engine Maintenance Guide	N/A