Wipaire Wipline 2100, Руководство по обслуживанию и инструкции

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SERVICE MANUAL & ICA
WIPLINE 2100 & 2350 FLOATS
Page 44 Revision N P/N 1002549
The nose gear consists of scotchply fiberglass beams that are attached at the bottom to castoring blocks. A nylon
thrust washer is located on top of the castoring pin. To disassemble, remove ¼ diameter pin on side of pivot block.
8.1 DESCRIPTION
The nose gear pivot assembly should be cleaned and greased every 25 hours or more frequently whenever in
water for extended period of time.
The nose wheels contain grease zerks for the wheel bearings. They should be greased every 25 hours.
Nose tires are standard 2.50 x 4, 4-ply, inflated to 50 +/- 5 psi.
8.2 SERVICE SCHEDULE
1. Jack and block aircraft per Section 4.
2. Remove top most forward access cover.
3. Remove round inspection cover on nose box top from above access (refer to Figure 8-1).
4. With hand pump, retract gear partially so rod end of cylinder is exposed in round access cover on nose box
top.
5. Loosen jam nut and unscrew cylinder rod end from end of cylinder.
6. Nose gear assembly now may be removed from nose by pulling complete nose gear down from nose box.
7. Clean and inspect nose box tracks for wear.
8. Replace or inspect trolley axles and nylon blocks on nose gear trolley.
9. Assemble in reverse order of removal and 7.3.
8.3 NOSE TROLLEY REMOVAL FROM BOX ASSEMBLY
1. If installing rod end and trolley link to trolley, note position of grease hole, it has to be positioned up (refer to
Figure 8-3).
2. Before inserting trolley in nose box, take care to position nylon slide blocks. Position as noted on Figure 8-1
and Figure 8-3.
3. Slide trolley into nose box and reconnect to cylinder (refer to Figure 8-1).
4. After above has been accomplished, the down lock has to be adjusted by lengthening or shortening cylinder
rod end. Adjust so two (2) rollers on the trolley link axle sit in the nose fork down stop slots.
5. Set jam nut on cylinder rod end.
6. Bring gear to down and locked position and set side play adjustment. These are the two (2) long ¼ inch bolt
that (refer to Figure 8-2) are horizontal through the nose fork. Adjust to 3/32 maximum side play. Do not over-
tighten bolts to avoid gear binding.
7. Reinstall cover on Figure 8-1.
8. Set proximity switches (or check) so when gear is down green lights on selector head are on. When gear is
up blue lights are on. Set by sliding switch brackets on cylinder shaft. When set apply RTV silicone to secure to
cylinder.
8.4 REASSEMBLE NOSE TROLLEY TO NOSE BOX