# 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.&#x20;

## Service Intervals

### **Before And After Use**

<table data-header-hidden><thead><tr><th width="189"></th><th width="118"></th><th></th><th></th></tr></thead><tbody><tr><td><strong>Items</strong></td><td><strong>Actions</strong></td><td><strong>Note</strong></td><td><strong>Reference Image</strong></td></tr><tr><td>Leakage, damage, cracks</td><td>Check</td><td>Observe around engine, exhaust, and fueling system to look for any signs of leaking, damage, or cracks</td><td>N/A</td></tr><tr><td>Idling Speed</td><td>Check</td><td>Make sure the engine is running smoothly and maintaining a low RPM in the IDLE state</td><td>N/A</td></tr><tr><td>Air filter</td><td>Check</td><td>Check for firm attachment to the intake and make sure it is not excessively dirty</td><td><img src="https://2409858111-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1kam0V1LiqOorrn8CMy4%2Fuploads%2FrzLDFUgisQaCfoFURlfw%2F3.png?alt=media" alt="A black cylinder with a blue tube

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### **Every 5 Flights (includes everything in the section above)**

<table data-header-hidden><thead><tr><th></th><th width="115"></th><th></th><th></th></tr></thead><tbody><tr><td><strong>Items</strong></td><td><strong>Actions</strong></td><td><strong>Note</strong></td><td><strong>Reference Image</strong></td></tr><tr><td>Exhaust Pipe &#x26; Bolts</td><td>Check</td><td><p>Inspect for any sign that the exhaust fasteners are loose. Use a stubby 8mm wrench to tighten if any sign of looseness is noticed.</p><p>CAUTION! HOT!</p><p>DO NOT ATTEMPT UNTIL THE EXHAUST HAS SUFFICIENTLY COOLED DOWN!</p></td><td><p></p><p><img src="https://2409858111-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1kam0V1LiqOorrn8CMy4%2Fuploads%2FdT2cHTGcvHxE7Rf0OCXz%2F4.png?alt=media" alt="" data-size="original"></p></td></tr></tbody></table>

### **Every 25 hours (includes everything in the section above)**

<table data-header-hidden><thead><tr><th></th><th width="95"></th><th></th><th></th></tr></thead><tbody><tr><td><strong>Items</strong></td><td><strong>Actions</strong></td><td><strong>Note</strong></td><td><strong>Reference Image</strong></td></tr><tr><td>Spark plug</td><td>Replace</td><td>Follow instructions provided in the maintenance procedures section of the Operation Manual</td><td><img src="https://2409858111-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1kam0V1LiqOorrn8CMy4%2Fuploads%2FDtWsBrwd4I4RaaiLSsAL%2F5.png?alt=media" alt="A spark plug on a white background

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### **Every 60 hours (includes everything in the section above)**

<table data-header-hidden><thead><tr><th></th><th width="119"></th><th></th><th></th></tr></thead><tbody><tr><td><strong>Items</strong></td><td><strong>Actions</strong></td><td><strong>Note</strong></td><td><strong>Reference Image</strong></td></tr><tr><td>Air filter</td><td>Clean or Replace</td><td>Follow instructions provided in the maintenance procedures section of the Operation Manual</td><td><img src="https://2409858111-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1kam0V1LiqOorrn8CMy4%2Fuploads%2FJ53WPzdfs9FFd14s53xm%2F8.png?alt=media" alt="A black cylinder with a blue tube

Description automatically generated" data-size="original"></td></tr><tr><td><p>Backup Battery Health</p><p>(Check after every 60 hours or every 3 months)</p></td><td>Check</td><td>Follow instructions provided in the maintenance procedures section of the Operation Manual</td><td>N/A</td></tr></tbody></table>

### **Every 150 hours (or under specific guidance from Arcsky Technical Support)** &#xNAN;**(includes everything in the sections above)**

<table data-header-hidden><thead><tr><th></th><th width="119"></th><th></th><th></th></tr></thead><tbody><tr><td><strong>Items</strong></td><td><strong>Actions</strong></td><td><strong>Note</strong></td><td><strong>Reference Image</strong></td></tr><tr><td>Engine Core</td><td>Replace</td><td>Follow instructions provided in the Hybrid Module Engine Maintenance Guide</td><td>N/A</td></tr></tbody></table>

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