SERVICE MANUAL & ICA
WIPLINE 2100 & 2350 FLOATS
Page 40
Revision N
P/N 1002549
NOTE: Cotter key axle and safety wire brake bolts.
21. Through access holes clean out bottom of float.
22. Grease all zerk fittings and head of nuts on all bolts exposed.
23. Install lower cylinder 3/8-inch bolt.
NOTE: Position of washers (one (1) each side of cylinder) and remove any excess Loctite from hole in
5/8-inch bolt head before installing 3/8-inch bolt. Apply to Loctite 3/8-inch bolt before installing. Visually
inspect bolt for proper installation.
24. Reconnect ground wire screw.
25. If cylinder was replaced, cylinder must be reindexed at this time. Retract cylinder using aircraft pump to gear
down.
26. From top access hold by hand in gear down position. Adjust rod end so its 1/16-inch down from retract
armhole (1/16-inch cushion) (refer to Figure 6-10).
27. Use aircraft pump to gear up. Rod end should be 1/16-inch below hole in retract arm. (1/16-inch cushion).
NOTE: Add spacer, washers under jam nut as necessary to achieve 1/16-inch cushion.
28. Install upper cylinder bolt to attach cylinder rod end to retract arm, attach tension spring (refer to Figure 6-4).
29. Check retract for operation by aircraft hydraulic system.
30. Set gear position switch by sliding bracket on outside of hydraulic cylinder body by running gear to down
position, slide switch bracket up so lights (green) are illuminated on selector head (refer to Figure (6-12).
31. By running gear to up position, slide switch bracket down so lights (blue) are illuminated on selector head.
NOTE: If lights have a double flash (on-off-on) move switch brackets further to outer ends so
lights come on just once.
32. After switch brackets are positioned, apply bead of RTV silicone to secure bracket to cylinder body.
33. Install indicator rod and cable through top access.
34. Grease all zerk fittings, bolt heads, nuts, bolt shafts that are exposed. Grease wheel bearings.
35. Final gear check and inspection.
36. Caulk and replace side access covers.
37. Install top indicator cover.
Shock strut requires no maintenance except if urethane blocks seem sloppy or spin around easily. To dissemble,
remove cotter pin in top retaining pin and remove pin. If replacing urethane blocks, pressure must be applied by
arbor press or vice to compress strut and install retaining pin. Assemble in reverse order of removal or Figure 5-3.
7.3 DISSASSEMBLY OF SHOCK STRUT
Wipaire, Inc. has created a new design to replace the previous, unserviceable main and nose gear actuators for
the 2100, 2350, 3000 and 3450 amphibious floats and is detailed in Service Letter 97 available on our website or
from our customer service department. The actuators are fully serviceable.
7.4 SERVICING HYDRAULIC ACTUATOR CYLINDERS (NOSE OR MAIN
ACTUATORS)
