Maintenance Manual GB1 GameBird
Page date: April 24, 2020
12-4
Engine Oil Change Service
for oil specifications.
As defined in
, the engine oil change service interval is 25 flight hours.
To conduct an oil change:
1
Ground run in accordance with AFM section 4.4, 4.6, 4.11, up to 200
°
F oil Temperature
2
3
Remove safety wire securing the oil drain plug
4
Place a container of at least 18 US quarts capacity under the plug
5
Unscrew the plug and let the oil drain into the container
6
Remove oil screen housing from engine accessory housing
7
Inspect oil pressure screen for metal particles.
Refer to Lycoming engine manual for assessment criteria and actions
8
Clean the screen in accordance with the Lycoming engine manual
9
Reinstall oil screen housing to the engine accessory housing using a new gasket
10
Reinstall and safety wire drain plug
11
Refill the oil as described in
12
Ground run in accordance with AFM section 4.4, 4.6, 4.11
13
Visually check for leaks
14
Re-install cowling, refer to
Tires and Tire Pressures
The correct tire specification is 5.00-5, 10 plies
Main landing gear tires: 3 - 3.5 bar / 43 - 50 psi
Brake Fluid Top-up and Bleeding
When pedals start to feel soft, or require pumping to obtain brake action, check the fill state of the master
brake cylinder reservoirs on the rear rudder pedal assemblies.
Each reservoir has a clear fluid level inspection point. This inspection point should look red (color of brake
fluid).
Total brake fluid capacity (two reservoirs feeding two systems): 0.20 liters (0.21 US quarts).
To service the brake system:
1.
Connect a 1/8" ID clear hose to the brake caliper bleeder screw from your brake fluid source
2.
Pump the oil can until the hose is full of fluid, with no air bubbles
3.
Tightly secure the hose to the bleeder valve, while opening it a quarter turn
4.
Unscrew the top reservoir cover and remove the membrane
5.
Pump fluid into the system until brake cylinder reservoir is filled app 3 mm
/ 1/16” below upper rim
6.
Tighten the bleeder valve screw, remove the hose, and reseal the reservoir
7.
Check that the reservoir is full and that the brake pedal feels hard underfoot when operated
8.
If you have a “soft
-
pedal,” pump the brakes several times. Often, this will fix the problem. If the problem
persists, drain the fluid and repeat the above process
CAUTION
Do not get brake fluid on skin or in mouth; it can cause skin irritation and illness!
Remove spilled brake fluid immediately; it can cause damage to paint and other materials!
Use only Mil-H-5606 red hydraulic fluid!
Never use automotive brake fluid!
Содержание GB1 GameBird
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