Fmtv Technical Manual

Title: Technical Manual for Family of Medium Tactical Vehicles (FMTV) – M1078, M1083, M1095 Series

Purpose:
To provide field-level, sustainment, and depot maintenance personnel with standardized procedures for the operation, troubleshooting, electrical diagnostics, and repair of all FMTV variants, including cargo trucks, wreckers, dump trucks, and tractor configurations.

Scope:
Covers A0, A1 (LMTV), A1P2, and A2 series platforms with both 2.5-ton and 5-ton ratings, CAT/BAE powerpacks, and the independent suspension system.

This is where the grease monkeys live. The "-13" designation typically refers to Unit Level Maintenance.

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Generating a comprehensive paper on the Family of Medium Tactical Vehicles (FMTV) Technical Manual involves detailing its purpose, the variants it covers, and the specific maintenance and operational protocols it mandates. 1. Purpose and Scope

The FMTV Technical Manual (TM) series, such as TM 9-2320-366-10, provides standardized instructions for the operation and maintenance of the US Army's primary medium tactical trucks. These manuals are designed to ensure:

Operational Readiness: Maintaining a high operational readiness rate, often exceeding 90%. Fmtv Technical Manual

Logistical Commonality: Leveraging the over 80% commonality of parts across the FMTV fleet to reduce support costs.

Crew Survivability: Outlining proper use of safety features like hard cabs, three-point seat belts, and central tire inflation systems (CTIS). 2. Primary FMTV Variants Covered

The manuals are typically divided by vehicle series and payload capacity:

Light Medium Tactical Vehicle (LMTV): 2.5-ton capacity (4x4), including cargo (M1078) and van (M1079) models.

Medium Tactical Vehicle (MTV): 5-ton capacity (6x6), covering cargo (M1083), tractor (M1088), wrecker (M1089), and dump truck (M1090) variants.

Specialized Platforms: Includes HIMARS launcher chassis (M1140) and Load Handling Systems (M1148). 3. Core Technical Specifications

Modern FMTV variants, like the FMTV A1P2 and FMTV A2, feature sophisticated hardware detailed in their manuals:

This piece focuses on the Light Medium Tactical Vehicle (LMTV) Cargo Truck (M1078), covering a standard Preventative Maintenance Checks and Services (PMCS) procedure and a mechanical adjustment. Title: Technical Manual for Family of Medium Tactical

HEADQUARTERS DEPARTMENT OF THE ARMY WASHINGTON, D.C.

TECHNICAL MANUAL NO. 9-2320-365-10

OPERATOR’S MANUAL FOR TRUCK, CARGO, LIGHT MEDIUM TACTUAL VEHICLE (LMTV) M1078 SERIES

SECTION IV. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

2-7. INTRODUCTION

Preventive maintenance is the systematic care, inspection, and servicing of equipment to maintain it in serviceable condition and prevent failures. The PMCS tables in this manual list the inspections and services required to maintain the FMTV in top operating condition. Perform PMCS at the intervals specified in Table 2-1.

WARNING Failure to perform PMCS properly could result in injury or death to personnel, or damage to equipment. Pay strict attention to WARNING and CAUTION statements.

TABLE 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) This is where the grease monkeys live

| ITEM NO. | INTERVAL | LOCATION | PROCEDURE | NOT READY/ AVAILABLE IF: | | :--- | :--- | :--- | :--- | :--- | | 01 | Before | ENGINE COMPARTMENT | Engine Oil Level Check a. Open cab access cover.
b. Clean area around dipstick (1) to prevent debris from entering engine.
c. Remove dipstick and wipe clean.
d. Insert dipstick fully, then remove to check oil level.
e. Oil level must be within the cross-hatched "SAFE" operating range on dipstick.
f. If oil level is low, add oil as specified in Appendix C. | Oil level is below the "SAFE" area on dipstick. | | 02 | Before | UNDER VEHICLE | Transmission Fluid Check a. Ensure vehicle is on level ground.
b. Locate transmission dipstick (on right side of engine).
c. Check fluid level in the same manner as engine oil. Fluid should be in the "COLD" range if engine is cold, or "HOT" range if engine is at operating temperature. | Fluid level is below the "COLD" range mark. | | 03 | During | IN CAB | Instrument Panel Cluster (IPC) a. Monitor IPC for warning lights and gauges.
b. Check that engine coolant temperature gauge reads between 180°F and 210°F during normal operation.
c. Verify that "LOW AIR PRESSURE" warning light is OFF and air pressure gauges read above 60 psi (414 kPa). | Gauges read outside normal operating parameters. Warning lights remain illuminated. |

CHAPTER 3 OPERATION UNDER UNUSUAL CONDITIONS

3-9. TIRE PRESSURE ADJUSTMENT (CENTRAL TIRE INFLATION SYSTEM - CTIS)

The FMTV is equipped with a Central Tire Inflation System (CTIS) that allows the operator to adjust tire pressure to match terrain conditions without leaving the cab. Correct tire pressure is critical for mobility and tire life.

CAUTION Do not use the EMERGENCY setting on hard surface roads. Tire damage and vehicle instability may occur.

PROCEDURE FOR CHANGING TIRE PRESSURE:

At first glance, a manual number looks like a code. Here is how to crack it:

Pro Tip: Always verify the manual matches your truck’s generation. An A0 manual will have discrepancies when used on an A1 truck, particularly regarding the engine electronics and CTIS systems.