SERVICE MANUAL & ICA
WIPLINE 3730 & 3900 FLOATS
P/N 1002551
Revision K
Page 27
The oleo is easy to service if the following steps are followed:
1. If the oleo is removed from the float, hold in an upright position similar to when mounted in float.
2. Release air pressure and extend oleo.
3. Remove entire plug from top of air chamber and fill with Mil-H-5606 red hydraulic oil using pump can. Get air to
come out as you pump in oil.
4. Completely compress oleo and let excess oil run out.
5. Reinstall plug and let aircraft weight down on gear.
6. Inflate cylinder 1 7/8 inches of exposed piston with empty aircraft.
5.6 SERVICING OLEO STRUT
1. 5:00 – 5 6ply
2. PSI 38 lbs.
5.7 TIRE SIZE
