MIL-T-740 Trucks; 5 Ton, 6X6, Military Design, M39, M39A1, M39A2 And M809 SeriesThis specification covers general and special purpose 5 ton, gasoline, multi-fuel, and diesel engine powered, six-wheel, six-wheel drive, military design truck chassis, trucks, and truck tractors having single front and dual rear wheels.

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MIL-T-740G

TABLE XIII. Major defects - 25 defects/100 units.

Method of

Defect no. Characteristic Defect inspection

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

Steering mechanism

Engine

Clutch

Transmission

Prop. shafts

Transfer

Power take-off Compressed air devices Hydraulic hoist

Cooling system components

Engine governors

Fuel system components

Instrumentation, switches, warning, indicating and safety devices

Electrical system

components Service, handbrakes and locks

Axles

Speed

Malfunction; leaks (see 6.5.3 b) Malfunction; leaks (see 6.5.3 a & b; mounting improper) Malfunction

Malfunction; leaks (see 6.5.3 c & d; mounting improper) Malfunction; misalignment Malfunction; leaks (see 6.5.3 c & d; mounting improper) Malfunction; leaks

Malfunction; leaks

(see 6.5.3 c & d 1/ and 2/)

Malfunction; leaks

(see 6.5.3 b); damage;

improper clearance Malfunction; seals defective or missing Malfunction; damage; leaks (see 6.5.3 a & b) Malfunction; damage

Malfunction; damage

Malfunction; damage; leaks (see 6.5.3 a & b) Malfunction; leaks

(see 6.5.3 c & d) Nonconformance

Visual and functional Visual and functional

Visual and functional Visual and functional Visual and functional Visual and functional

Visual and functional Visual and functional Visual and functional

Visual and functional Visual and functional Visual and functional Visual