4-30. Wheels and Tires.
Inspect tires and tubes for cuts,
breaks or holes.
mounted on a handtruck, equipped with two
rubber tired wheels with roller bearings
mounted on the truck axle hub.
(I) Replace defective tires.
Replace defective tube if beyond
assembly and block securely.
If tube is repairable proceed as follows:
Release air from tires.
(a) Rasp area around hold to rough
up surface and remove any film.
(b) Apply layer of tube cement to area
around puncture. Allow to dry.
(3) and capscrews (4).
(c) Peel protective film from patch
Disassemble the wheel disc halves (5),
and apply patch to cemented area.
tubes (6) and tires (7).
(d) Roll or press edges of patch to
Disassemble end caps (8), bearing seals
assure proper adhesion.
(9), roller bearings (10) and hubs (11).
Cleaning and Inspection
bearings (10), bearing seals (9) and
WARNING : Drycleaning solvent, P-D-680,
end caps (8).
used to clean parts is potentially dangerous
to personnel and property. Avoid repeated
Assemble tires (7) and tubes (6) onto
and prolonged skin contact. Do not use near
wheel disc halves (5) with capscrews
open flame or excessive heat. Flash point of
(4) and nuts (2).
solvent is 100oF (38C).
Attach to hub with hub bolts (3) and
nuts (1). Attach washers (7, figure
Wash interior all parts with cleaning
4-7) and cotter pins (2).
solvent, P-D-680, and dry thoroughly.
Inflate tires to 25 psi (1.766 kg/sq cm).
Inspect bearings, seals and retainers for
breaks or excessive wear. Service
Remove blocking and jacks.
bearings or replace if necessary.