FM 21-6 - Us-militaria.com

RUMBER DATIO; TITLE AND CHANGES
ORDNANCE-Continued
TB
ORD 77 5 June 44. Flash Reducer Tl.
ORD 78 14 April 44. Tank, Light, M5, M5Al; Carriage,
Motor, 75-mm Howitzer,
Bearings.
MS: New Type Rear Main
ORD 80 18 April 44. Tank, Light, M3A3, M5 and M5Al;
Tank, Medium, M4 Series; All Gun Motor Carriages
and Special Purpose Vehicles on Light and Medium
Tank Chassis: Use of Rubber and Steel Tracks.
ORD 81 26 May 44. Truck, 2’/-Ton, 6 x 6 (GMC) (With
Banjo Type Axle) : New Type Drive Gear ‘Front
Bearing Retainer for Banjo Type Transfer Case.
ORD 82 18 April 44. Carriage, Motor, 3-Inch Gun MlOAl:
Lubrication Instructions.
ORD 83 25 April 44. Medium Tank M4 Series; Full Track
Vehicles with Medium Tank, M4, Power Train:
Steering Brake Adjustment.
ORD 84 27 April 44. Grenade, Rifle, Smoke (Colored),
Streamer, T12.
ORD85 5 May 43. Truck, 2%-Ton, 6 x 6 (GMC) (Model
ACKW and CCKW) : Types of Oil Pans for “270”
’ Engines.
ORD 86 14 Aug. 44. Truck, l%-Ton, 4 x 4 (Chevrolet) ;
Truck, 2%-Ton, 6 x 6 (GMC); Truck, 21’2-Ton,
6 x 4 (Studebaker) ; Frame Reinforcement.
ORD 88 4 May 44. Tanks, and Tank-Like Vehicles; Engine
Oil Drain Periods.
ORD 90 13 May 44. Tank, Medium, M4 Series; Carriage,
Motor, 3-Inch Gun Ml0 and MlOAl; Carriage, Motor,
76-mm Gun, M18; Procedure for Servicing of
Azimuth Indicator Ml8 and M19.
ORD 92 13 May 44. Ordnance Wheeled Vehicles: Installation
of 5-Gallon Liquid Container Bracket.
ORD 93 13 May 44. Ordnance Vehicles: Installation of Pioneer
Tool Bracket.
ORD 94 13 May 44. Replacement of M50-Series Direct Sight
Telescope in Tankgnd
Series Telescopes.
Combat Vehicles by the M70-
ORD 95 22 May 44. Tank, Medium, M4A3; w/75-mm Gun;
2/76-mm Gun; w/105-mm Howitzer; M4A3E2; T23;
T25El; T26El: Carriage, Motor, SQ-mm Gun, T71;
Carriage, Motor, 105-mm Howitzer M7Bl; 3-Inch
Gun, MlOAl; Spark Plug Inserts.
ORD 96 22 May 44, Tank, Medium M4, M4A1, M4A3; Carrier,
Cargo, M39; Carriage, Motor, 155-mm. Gun,
M12; Carriage Motor, 105-mm Howitzer, M7; Carriage
Motor, 76-mm Gun, M18; Carriage, Motor,
3-Inch Gun MlOAl ; Interchangeability of Electric
Type Oil Pressure Gages.
ORD 97 10 July 44. 75-mm Pack Howitzer Carriage Ml and
75-mm Howitzer
from Rear Trail.
Carriage MS: Removal of Bushings
ORD 98. 22 May 44. Tank, Medium, M4 Series; Carriages,
Carriers, and Special Purnose Vehicles with Medium
Tank M4 Transmissibn: Correct Tension of
Shifter Rod Poppet Spring,
ORD 100 18 Aug. 43. Half-Track Vehicles (White, Autocar
and Diamond T) : Correction of Steering Knuckle
Boot Guard.
ORD 101 18 May 43. Engines, Continental, R975 Series
New Type Cam Assembly.
ORD 102 30 May 44. Vehicle, Landing, Tracked; LVT (A)
(1): LVT (A) (2); LVT (2); LVT (A) (3); LVT
(4) ; LVT (A) (4) : Repainting of Vehicles.
.’ ~
IUMBER DATE, TITLEI AND CEANOES
TB
ORD 104 10 June 44. Ordnance Vehicles; Correct Fluids
c for Hydraulic Jacks and Hydraulic Hoists. .
ORD 105 12 June 44. Mortar, Sl-mm, T27 and Mount, Mar
tar, T21.
ORD 106 17 June 44. Tank, Medium, M4 and M4Al; Car-
riage, Motor, 105-mm Howitzer M7: Incorrect En.-
gine Oil Gage Blade Markings.
ORD 107 20 June 44. Half-Track Vehicles and Scout Cars,
M3Al: Operation of Surge Tank in Freezing
Weather.
ORD 108 19 June 44. Tank, Medium M4 and M4Al; Car-
riage, Motor, 105mm Howitzer, M7; Replacing Ro-
met Fuel Pump Equipped Engines with AC fuel
pump equipped engines.
ORDllO 22 June 44. 105-mm Howitzer M2Al and M3;
Assembly of Spare Tube Assembly to Breech Ring.
ORD 111 22 June 44. Car Armored MS; Car Armored,
Utility, M20: LVT (A) (L). LVT (A) (2), LVT
(2), LVT (A) (3), LVT (4), LVT (A) (4); Fuel
cell Information and repair Instructions.
ORD 112 12 June 44. Vehicle, Tank Recovery, M31- (T2)
and M32 (T5) ; Mover, Prime, Full Track, M33 and
M34 : Tow ‘Bar Eye Enlargement.
ORD 113 23 June 44. Inspection and Service of the Air
Brake Systems on Field Artillery Materiel.
ORD 114 23 June 44. Adapter, Grenade Projection, Chem-
ical, T2.
ORD 115 28 June 44. Tank, Medium, M4 and M4Al; Car-
riage, Motor, 105-mm Howitzer, M7; Carriage, Mo-
tor, 155-mm Gun, M12; Carriage, Motor, 76-mm
Gun, Ml8 (T70) : Carrier, Cargo, M30 (T14) ; Pis-
ton Ring Identification and Installation (Continental
R975 Series Engines),
ORD 116 28 June 44. Vehicles with Medium Tank Track
Suspensions: Interchangeability of Bogie Wheel As-
sembly.
ORD 118 3 July 44. Identification of Storage Batteries In
Landing Vehicles, Tracked (LVT). When Prepared
with Electrolyte of 1.200 to 1.225 Specific Gravity.
ORD 119 29 June 44. Fuze, Hand Grenade, T2El.
ORD 120 11 July 44. Exercising of Record Mechanisms on
Coast Artillery and Railway Artillery Materiel.
ORD 121 12 July 44. 4.5Inch Rockets, MS and M9 Series,
T22 and T46.
ORD 122 12 Aug. 44. Projectile, Illuminating, MK 24 Mod
1, for Guns, 3-Inch and 76-mm.
ORD 123 17 July 44. Tanks, Light and Medium; Cars, Ar-
mored; Special Purpose Vehicles on Tank Chassis:
Use of Hull Lifting Eyes.
ORD 124 11 June 44. Depth Charge, Aircraft, 250-Lb.,’
Mk. VIII (British).
ORD 125 22 July 44. Tanks, Light and Medium; Carriages;
Carriers, and Special Purpose Vehicles on Tank
Chassis: Operation of Track Connecting Fixture
41-F-2997-86.
ORD 126 19 July 44. Cold Weather Lubrication and Serv-
ice of Combat and Transport Materiel.
ORD 127 21 July 44. Truck, 23/a-Ton, 6 x 6 and 6 x 4 (Stude-
baker, Reo and GMC Models CCKW-352 and 353):
Change in ‘Method of Lubricating Pillow Block AS-
semblies.
ORD 128 21 July 44. Fuze Dial on Motor Drive M2EI.
ORD 130 1 Aug. 44. All Half-Track and Full-Track Laying
Vehicles : Instructions Governing Removal, Inspec-