Tubulação FAW J6P: Desconstruindo 46 Peças críticas para controle térmico à prova de vazamentos

This is a complete technical analysis of the Tubulação FAW J6P sistema (Capítulo 37), o “arterial network” for the thermal management system on the FAW Jiefang CA3250P66K2L1T1E 6×4 caminhão despejando. This 46-component group is not just a set of hoses; é uma engenharia “Fluid & Air Transport Logic” sistema. Its integrity is paramount for preventing coolant leaks, boost leaks, and catastrophic engine overheating.

O Tubulação FAW J6P system must simultaneously manage three “Lógica Fluida” circuitos. O “Primary Coolant Logic” (the main radiator hoses) moves high-temperature engine coolant. O “Charge Air Logic” (the intercooler hose) transports high-pressure, hot air from the turbo. O “Degassing Logic” (a network of small pipes) scavenges and removes destructive air bubbles from the system.

This guide is an essential resource for chassis technicians, gerentes de manutenção de frota, e especialistas em peças. We will deconstruct every component of the Tubulação FAW J6P conjunto. Iremos analisar o “Primary Circulation Logic” (the main coolant hoses and clamps), o “Charge Air Logic” (the boost hose), o “Degassing Logic” (the air bleed network), e o “Lógica de Selagem” (the critical banjo clamps that ensure a leak-proof system).

Essencial 1: O “Primary Circulation” Tubulação (Componentes 3, 4, 5, 6)

Este grupo representa o “main arteries” do Tubulação FAW J6P sistema, responsible for moving the bulk of the engine coolant. A failure here is catastrophic.

1. Componente: ‘Radiator inlet hose’ (1303011-14B)
Esse (Comp. 4) é o “Hot Side Logic.” This high-temperature hose carries 90°C+ coolant *from* the engine’s thermostat housing *to* the ‘Radiator assy’ (Comp. 1). It is engineered from reinforced EPDM rubber to withstand high heat, high pressure, and constant engine vibration.

2. Componente: ‘Radiator outlet hose’ (1303021-14B)
Esse (Comp. 6) é o “Cold Side Logic.” It carries the now-cooled (Por exemplo, 80° c) coolant *from* the bottom of the radiator *back to* the ‘Water Pump’ (Capítulo 19) to re-enter the engine block. This hose is under “sucção” from the water pump, so its internal reinforcement must prevent it from “collapsing” inward.

3. Componente: ‘Banjo-type hose clamp B model’ (CQ67670B, CQ67680B)
Esses (Comp. 3, 5) são os “Sealing Integrity Logic” and are the most critical “Smallest Serviceable Units” no Tubulação FAW J6P sistema. These are not simple worm-gear clamps. A “Banjo-type” (ou “T-Bolt”) clamp provides a 360-degree, alto torque “Clamping Force Logic.” This ensures a perfect, leak-proof seal on the reinforced hoses, preventing coolant loss, which would lead to rapid engine overheating.

Essencial 2: O “Charge Air” Pipework Logic (Componentes 28, 29)

Esta parte do Tubulação FAW J6P system handles “ar,” not “coolant.” It manages the high-pressure “impulsionar” from the turbocharger.

1. Componente: ‘Intercooler connecting hose’ (1311034-50A)
Esse (Comp. 28) é o “Boost Logic” mangueira. The ‘Radiator assy’ (Comp. 1) is a dual-core unit containing the “Refrigerador de ar de carga” (Intercooler). This hose’s “lógica” is to connect the “lado frio” of the intercooler *to* the engine’s intake manifold.

Esse Tubulação FAW J6P component is engineered to handle 20-30+ PSI of boost pressure, oil mist (from the turbo), and high temperatures. It is likely made of multi-layer reinforced silicone to prevent it from “balonismo” or bursting under boost.

2. Componente: ‘Banjo-type hose clamp B model’ (CQ67635B)
Esse (Comp. 29) é o “Boost Sealing Logic.” A “aumentar o vazamento” is a common failure point that is catastrophic for performance. These high-torque clamps (Quantidade 3) are essential to “trancar” the ‘Intercooler connecting hose’ (Comp. 28) onto the rigid pipes. A “aumentar o vazamento” from a failed clamp causes an immediate loss of power, excessive black smoke, e um “check engine” luz.

Essencial 3: O “Degassing & Bypass” Pipework Logic

Este é o “System Breathing Logic” network within the Tubulação FAW J6P. Its function is to remove trapped air, o #1 enemy of a cooling system.

1. O “Degassing Network” (Componentes 39, 40, 46, 17)
This includes the ‘Radiator rear degas pipe’ (1311069-76A), ‘Radiator degas pipe’ (1311063-61B), e ‘Engine degas pipe assy’ (1311025-138). Esse “Scavenging Logic” uses small-bore pipes to continuously “chupar” air from the highest points of the system (the top of the radiator and the engine head).

Esse “Air-Free Logic” é crítico. Trapped air creates “steam pockets” that don’t transfer heat, causing “pontos quentes” that can warp a cylinder head. Esse Tubulação FAW J6P routes all scavenged air to the ‘Reservoir’ (1302052-01) (Comp. 17), também conhecido como “Tanque de expansão,” where the air is safely vented, and the coolant is returned to the system.

2. O “Bypass Network” (Componentes 30, 31, 37, 41)
Este grupo de Tubulação FAW J6P includes the ‘Return water pipe’ (1311062-14B), ‘Connection steel pipe assy’ (1311035-61B), ‘Front return water pipe’ (1311034-61B), e ‘Connecting pipe assy’ (1311025-61B). Este é o “Ignorar lógica” that allows hot coolant to flow to the “FAW J6P Cab Heater” (see Chapter 52), even when the engine’s main thermostat is closed.

Essencial 4: O “Antivibração” Lógica (The Context for the Pipework)

O Tubulação FAW J6P (mangueiras) must be flexible for a specific reason: o “motor” e o “radiador” do not move as one. This group explains the “Lógica de isolamento de vibração” that the pipework must compensate for.

1. O “Isolated Mounting Logic” (Componentes 11, 12, 13)
The ‘Radiator assy’ (Comp. 1) sits on a ‘Radiator bottom crossmember’ (1302030-61B) and is held by “isolated” ‘Supports’ (1302027-70U, 1302028-70U). These mounts (see Chapter 38) use rubber to “damp” vibração.

2. O “Anti-Sway Logic” (Componentes 18, 19)
O ‘Tie rod assy’ (1302050-01) e ‘Tie rod upper support’ (1302041-14B) are diagonal stabilizers. They prevent the 30kg+ radiator from “swaying” e “shearing” when the truck’s chassis flexes.

Esse “Differential Movement Logic” is the final piece of the puzzle. O Tubulação FAW J6P sistema, specifically the flexible hoses (Comp. 4, 6, 28), são os “Flexible Coupling Logic” que “bridges the gap” between the vibrating engine and the “sway-damped” radiador. This prevents the “Lógica Antivibração” de “tearing” the rigid radiator ports off the engine.

Tubulação FAW J6P & Radiator Assembly Parts List

A tabela a seguir fornece o completo, detalhamento de todos 46 tipos de componentes no Tubulação FAW J6P and thermal management assembly (Capítulo 37) para o FAW Jiefang CA3250P66K2L1T1E 6×4 caminhão despejando.

Especificações principais

As especificações para o Tubulação FAW J6P system are defined by its function as the leak-proof transport network for the engine’s coolant and charge air.