Handling, Servicing and Maintenance
General
The airplane should be moved using a tow bar which connects to the nose wheel. The airplane may be pushed or pulled from the inboard portions of the prop blades. Do not push on the spinner!
Ground Handling
The airplane has three tie-down rings:
- One on each wing (near outboard bellcrank access panel)
- One on the tail
The tie-down rings are removable and may be kept inside the baggage compartment.
Jacking
The airplane can be jacked from:
- Tie-down ring locations
- Main spar just outboard of fuselage (protect with padded boards)
Engine Air Filter
| Specification | Value |
|---|---|
| Filter Type | |
| Service | Clean/replace per manufacturer |
Brake Service
| Specification | Value |
|---|---|
| Brake Fluid | Royco 782 (MIL-PRF-83282) |
| Brake Type | Hydraulic disc |
| Brake Linings |
Warning: Use only MIL-PRF-83282 specification hydraulic fluid. Do not substitute automotive brake fluid.
Landing Gear Service
| Item | Specification |
|---|---|
| Main Tire Pressure | PSI |
| Nose Tire Pressure | PSI |
| Main Tire Size | |
| Nose Tire Size |
Wheel Bearings
Repack main wheel bearings with Aeroshell #5 grease at annual condition inspection.
Propeller Service
The propeller must be lubricated at intervals not to exceed 100 hours or 12 calendar months, whichever occurs first.
| Specification | Value |
|---|---|
| Grease Type | |
| Interval | 100 hours / 12 months |
Note: If annual operation is significantly less than 100 hours, or if operated in high humidity or salty air conditions, reduce calendar interval to six months.
Oil System Service
| Item | Specification |
|---|---|
| Oil Type | |
| Oil Capacity | quarts |
| Minimum Operating | quarts |
| Oil Filter | |
| Change Interval | 50 hours |
Oil Change Procedure
- Change oil and filter every 50 hours
- Remove and inspect oil pressure screen
- Clean screen in solvent, dry with compressed air
- Replace screen crush washer
Fuel System Service
Fuel Strainer
Drain fuel strainer:
- Before first flight of day
- After each refueling
- Check for water and sediment
Fuel Tank Sumps
Drain each tank sump and check for water/contamination:
- Before first flight of day
- After refueling
Battery Service
| Battery | Location | Type |
|---|---|---|
| Battery 1 | EarthX ETX900 | |
| Battery 2 | EarthX ETX900 |
Both batteries may be charged and conditioned using their proprietary chargers.
Note: EarthX lithium batteries require specific charging procedures. Refer to EarthX documentation.
Lubrication Schedule
| Item | Lubricant | Interval |
|---|---|---|
| Wheel Bearings | Aeroshell #5 | Annual |
| Control Hinges | LPS-2 or equivalent | As needed |
| Nose Wheel Steering | Annual | |
| Propeller | 100 hrs/12 mo |
Tire Replacement
| Tire | Size | Ply |
|---|---|---|
| Main | ||
| Nose |
Oxygen System Service
Mountain High EDS-4iP system:
- Refill oxygen per Mountain High procedures
- Inspect cannulas and tubing
- Verify pulse delivery operation
Pitot Heat Check
Verify pitot heat operation before flight into potential icing conditions:
- Turn on PITOT HEAT switch
- Verify pitot tube warms (carefully touch)
- Monitor current draw on VPX display