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|  MIL-T-52843C
4.6.2.36 Maintainability. Maintenance times shall be recorded
throughout load placement testing in accordance with test method No.
32 and 33. A maintenance ratio of more than 0.15 as specified in 3.7
shall constitute failure of this test.
4.6.2.37 Run-in. Each forklift shall be driven through a run-in
for not less than 1 hour. The run-in shall include operating in all
gears, operating all electrical equipment, and performing all
hydraulic functions with rated load as well as no load. Evidence of
any deficiency, need for adjustment or mainten nce, malfunction of
a
any component, or evidence of leakage of air, fuel, lubricant or
hydraulic oil, shall be cause for rejection of the forklift by the
Government until corrected to the Government's satisfaction. The
Government may require additional run-in after the deficiency is
corrected.
4.6.2.38 Rear axle oscillation. Measure the total rear axle
oscillation in accordance with test method No. 11. Nonconformance to
3.11.2 shall constitute failure of this test.
4.6.2.39 Posttest disassembly and examination Upon completion of
.
all endurance testing, measure and record the compression in each
cylinder and dismantle the truck that underwent endurance testing
sufficiently to permit detailed disassembly and visual examination of
the following components:
a. Engine cylinder heads, all valves, two pistons and piston
pins taken from the two cylinders having the lowest
compression.
b. Torque converter and transmission.
c. Universal joints and drive shafts.
d. Differential.
e. Front axle bearings and seals.
f. Complete brake system components.
g. Steering system cylinders, valves, and pump.
h. Hydraulic system pump, valves, one cylinder of each size,
control levers, and any hose and fitting where leakage
occurred during and after the tests.
i. Fork carriage assembly.
Additional disassembly and examination of this truck shall be made at
the option of the contracting officer. The truck shall be examined in
accordance with table III, column 1. Record complete description of
the condition of all parts and assemblies examined, and take pictures
of any deficiency. Each evidence of corrosion which affects the
functions of the truck or evidence of permanent deformation,
breakage, or excessive wear of any component shall constitute a
defect. Manufacturing tolerances listed in the contractor's quality
control program shall be made available upon request and shall be
used as the basis for determining excessive wear.
62
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