Unit Iran

forklift orbitrol steering unit repair

The Orbitrol steering unit in tractors and forklifts is responsible for converting hydraulic oil pressure and flow into mechanical movement of the steering shaft. This unit is typically high-pressure, double-acting, and capable of handling operating pressures between 180 and 260 bar. Its internal design includes pistons, springs, valves, and precisely machined housings with tolerances below 0.05 millimeters, allowing accurate oil flow control and precise steering shaft movement. Selecting the appropriate unit and maintaining the specified flow and pressure for each tractor or forklift model is crucial to prevent vibration and premature component wear.

The mounting location of the Orbitrol steering valve is usually on the hydraulic pump outlet path, near the input shaft of the steering unit. This position allows the valve to receive direct hydraulic pressure and transmit force accurately to the steering cylinders. Pressure and return lines are connected with high-pressure O-rings and flange couplings to prevent leakage and flow reduction. Improper alignment or installation can cause increased steering shaft vibration and reduced lifespan of hydraulic components.

The repair process for the Orbitrol steering unit involves disassembling the assembly, thoroughly cleaning all com

orbital steering unit repair

The Orbital Steering Unit is a precise hydraulic system designed to convert linear hydraulic oil movement into rotational motion of the steering shaft. This unit is commonly used in heavy machinery, tractors, and combines, and can handle operating pressures between 180 and 250 bar. Its internal design includes multi-channel pistons, control valves, and housings with tolerances below 0.05 millimeters, enabling force transmission with minimal friction and leakage.

The mounting location of the orbital steering unit is usually on the input shaft of the steering system, near the hydraulic pump. This position allows the unit to receive direct hydraulic pressure and transmit precise motion to the output steering shaft. Pressure and return lines are connected with high-pressure-resistant O-rings and flange couplings. Any leakage or misalignment at this point can cause increased vibration, reduced steering precision, and premature bearing wear.

The repair process for an orbital steering unit involves disassembling the unit, inspecting piston wear, valves, and housing, and measuring tolerances with a digital micrometer. If cracks or wear greater than 0.05 millimeters are detected, component replacement is mandatory. After reassembly, the unit must be tested on a hydraulic bench at 20

DamaTajhiz DT.CF1200 silent concealed ceiling fan coil unit

The DamaTajhiz DT.CF1200 silent concealed ceiling fan coil unit, with an airflow capacity of 1200 CFM, is designed for large office, commercial, and public spaces. It provides both cooling and heating functions with uniform airflow and ultra-low noise performance. The three-speed dynamically balanced galvanized fan and Class B electric motor minimize vibration and extend system lifespan. The copper coil with aluminum fins ensures efficient heat transfer and high thermal performance. Its low-profile and robust design allows easy installation in false ceilings and confined areas.

The DamaTajhiz DT.CF1200 fan coil unit features IP44 protection and internal thermal and acoustic insulation for safe and silent operation. The washable air filter enables quick and easy maintenance. The unit operates below 45 dB and is ideal for spaces ranging from 50 to 70 square meters. It runs on 220V single-phase power and provides suitable static pressure for short duct systems. The galvanized steel body is corrosion- and moisture-resistant, and the unit is engineered in accordance with ASHRAE international standards for optimal performance and durability.

DamaTajhiz DT.CF1000 silent concealed ceiling fan coil unit

The DamaTajhiz DT.CF1000 silent concealed ceiling fan coil unit, with an airflow capacity of 1000 CFM, is designed for medium to large residential, office, and commercial spaces. It provides both cooling and heating with uniform airflow and minimal noise. The three-speed galvanized balanced fan and Class B electric motor reduce vibration and enhance system durability. The copper coil with aluminum fins ensures efficient heat exchange and uniform temperature distribution. Its compact and slim design allows easy installation in false ceilings with limited space.

The DamaTajhiz DT.CF1000 fan coil features suitable static pressure for short duct connections and a washable air filter for convenient maintenance. The noise level remains below 42 dB, and energy consumption is optimized for efficiency. Operating on 220V single-phase power, it is ideal for areas ranging from 40 to 55 square meters. The galvanized steel casing with internal thermal and acoustic insulation enhances durability and energy performance. The unit complies with ASHRAE international standards, ensuring stable and long-lasting operation.

DamaTajhiz DT.CF600 silent concealed ceiling fan coil unit

The DamaTajhiz DT.CF600 silent concealed ceiling fan coil unit, with an airflow capacity of 600 CFM, is designed for residential, office, and medium-sized spaces. It provides both cooling and heating functions with uniform airflow and ultra-low noise operation. The three-speed galvanized balanced fan and Class B electric motor minimize vibration and extend unit lifespan. The copper coil with aluminum fins ensures high heat transfer efficiency and consistent thermal performance. Its slim and durable structure allows easy installation in false ceilings with limited space.

The DamaTajhiz DT.CF600 fan coil features IP44 protection and internal thermal and acoustic insulation for quiet and safe operation. The washable air filter allows for easy maintenance and service. The unit operates below 38 dB noise level and is suitable for areas between 25 to 35 square meters. It runs on 220V single-phase power and provides sufficient static pressure for short duct connections. The galvanized steel body is moisture-resistant and corrosion-protected, ensuring long-lasting performance and energy efficiency.

unit heater

The copier heater in Ricoh machines fixes toner on paper using heat and pressure. Thermal power ranges from 350 to 600 watts, with operating temperatures between 180 and 210°C. Paper speed through the heater is 20 to 45 pages per minute, and roller pressure is adjustable between 2 and 4 kilograms. The heating element is made of a heat- and oxidation-resistant alloy. Blades and thermal covers ensure uniform heat distribution and proper toner fixation. A temperature sensor with ±3°C accuracy maintains consistent print quality. The heater body is made of steel or aluminum alloy resistant to heat and wear.

Structurally, the heater includes a heating element, pressure roller, thermal cover, and temperature sensor. The central roller shaft with heat-resistant bearings ensures uniform movement. Overheat protection and automatic power cutoff enhance device safety. Installation and replacement use standard clips and pressure mechanisms. This design ensures uniform toner fixing, prevents paper wrinkling, and prolongs the life of printing components.

DamaTajhiz DT.CF800 silent concealed ceiling fan coil unit

The DamaTajhiz DT.CF800 silent concealed ceiling fan coil unit, with an airflow capacity of 800 CFM, is designed for residential, office, and commercial applications. This model provides stable and quiet heating and cooling performance. Its three-speed galvanized balanced fan and Class B electric motor reduce vibration and extend unit lifespan. The copper coil with aluminum fins ensures high heat transfer efficiency. Its low-profile design allows easy installation in limited ceiling spaces.

The DamaTajhiz DT.CF800 fan coil features optimal static pressure for short duct connections and a washable filter for easy maintenance. The noise level is below 40 dB, providing uniform air distribution throughout the room. It operates on single-phase 220V power and is suitable for spaces between 30 to 45 square meters. The galvanized steel housing with internal thermal and acoustic insulation enhances durability and energy efficiency. The unit is engineered according to international performance standards for long-term reliability and low energy consumption.

unit heater

The copier heater in Sharp machines fixes toner on paper using heat and pressure. Thermal power ranges from 350 to 550 watts, with operating temperatures between 180 and 210°C. Paper speed through the heater ranges from 15 to 40 pages per minute, and roller pressure is adjustable between 2 and 4 kilograms. The heating element is made of a heat- and oxidation-resistant alloy. Blades and thermal covers ensure uniform heat distribution. A temperature sensor with ±3°C accuracy maintains consistent print quality. The heater body is made of steel or aluminum alloy resistant to heat and wear.

Structurally, the heater includes a heating element, pressure roller, thermal cover, and temperature sensor. The central roller shaft with heat-resistant bearings ensures uniform movement. Overheat protection and automatic power cutoff enhance device safety. Installation and replacement use standard clips and pressure mechanisms. This design ensures uniform toner fixing, prevents paper wrinkling, and prolongs the life of printing components.

unit heater

The copier heater in Konica Minolta machines fixes toner on paper using heat and pressure. Thermal power ranges from 400 to 600 watts, with operating temperatures between 180 and 200°C. The heating element is made of an alloy resistant to oxidation and high temperatures. Paper speed through the heater ranges from 20 to 45 pages per minute, and roller pressure is adjustable between 2 and 4 kilograms. A precise temperature sensor with ±3°C accuracy ensures consistent print quality. The heater body is made of steel or aluminum alloy resistant to heat and wear.

Structurally, the heater includes a heating element, pressure roller, thermal cover, and temperature sensor. The central roller shaft with heat-resistant bearings ensures uniform movement. Overheat protection and automatic power cutoff enhance device safety. Installation and replacement are done via standard clips and pressure mechanisms. This design ensures uniform toner fixing, prevents paper wrinkling, and prolongs the life of printing components.

unit heater

The copier heater in Canon machines fixes toner on paper using heat and pressure. Thermal power ranges from 350 to 550 watts, with operating temperatures between 180 and 210°C. The heating element is made of an alloy resistant to oxidation and high temperatures. Paper speed through the heater ranges from 15 to 40 pages per minute, and roller pressure is adjustable between 2 and 4 kilograms. A precise temperature sensor with ±3°C accuracy ensures consistent print quality. The heater body is made of steel or aluminum alloy resistant to heat and wear.

Structurally, the heater includes a heating element, pressure roller, thermal cover, and temperature sensor. The central roller shaft with heat-resistant bearings ensures uniform movement. Overheat protection and automatic power cutoff enhance device safety. Installation and replacement use standard clips and pressure mechanisms. This design ensures uniform toner fixing, prevents paper wrinkling, and prolongs the life of printing components.

unit heater

The copier heater in Toshiba machines fixes toner on paper using heat and pressure, with an operating temperature between 180 and 210°C. Thermal power ranges from 400 to 600 watts, and paper speed through the heater is 20 to 45 pages per minute. Roller pressure is adjustable between 2 and 4 kilograms. Heating elements and blades are made of heat- and oxidation-resistant alloys. A temperature sensor with ±3°C accuracy ensures consistent print quality. The heater body is made of steel or aluminum alloy resistant to heat and wear.

Structurally, the heater includes a heating element, pressure roller, thermal cover, and temperature sensor. The central roller shaft with heat-resistant bearings ensures uniform movement. Overheat protection and automatic power cutoff enhance device safety. Installation and replacement use standard clips and pressure mechanisms. This design ensures uniform toner fixing, prevents paper wrinkling, and prolongs the life of printing components.

developer unit

The developer tank in Konica Minolta copiers stores and transfers developer powder with a precision of 1–2 grams per page. Typical tank capacity ranges from 100 to 250 grams, and developer flow is driven by a geared motor rotating at 50–100 RPM. The body is made of heat-resistant plastic up to 60°C, designed to withstand powder abrasion. An internal mixer with metal or plastic blades ensures uniform powder density. It features a level sensor and cleaning port to minimize powder wastage.

Structurally, the tank includes a powder inlet, mixing chamber, and output port to the drum unit. A central shaft with anti-wear bearings ensures consistent blade movement for up to 50,000 pages. Magnetic or spring mechanisms guide powder from edges to center. Quick installation and replacement are enabled via pressure clips and standard mounts. This design provides high print quality, uniform color, minimal powder waste, and compatibility with official Konica Minolta toner.

developer unit

The Canon developer tank is a powder container with a capacity of 150 to 400 grams, mechanically placed along the drum path. The housing is made of ABS plastic with heat resistance up to 80°C, and the internal shaft is stainless steel with a diameter of 5 to 8 mm. The developer includes a magnetic roller spinning at 100 to 300 RPM for uniform powder distribution. Operating temperature ranges from 20 to 30°C and humidity is controlled between 30 and 70 percent. Internal design prevents powder clumping and ensures even coverage.

Structurally, the developer tank has guiding grooves 0.5 to 1 mm thick to evenly spread developer on the drum. Mechanical attachment to the drum unit uses a clip and shaft with tolerance below 0.2 mm. An internal filter blocks particles larger than 50 microns. The tank’s service life spans 50,000 to 150,000 printed pages and allows easy replacement without specialized tools. This design is optimized for print quality and drum protection.

drum unit

The drum unit in Sharp copiers forms the electrostatic image and transfers toner to paper. Drum diameter typically ranges from 30 to 80 mm, and length from 240 to 320 mm. The drum surface is made of aluminum alloy with OPC or silicon photosensitive coating. Light sensitivity is tuned to the 400–700 nm range. The service life of the drum unit is between 50,000 and 120,000 pages. Drum rotation speed is synchronized with the main motor within ±2 percent accuracy to ensure uniform imaging.

Structurally, the drum unit includes a photosensitive cylinder, a central shaft with anti-wear bearings, a cleaning blade, and a waste toner container. The blade is made of durable polyurethane to remove excess toner efficiently. The primary charging system applies 500 to 800 volts for uniform surface charging. Modular design enables fast installation and replacement. This structure increases image sharpness, reduces spots, and ensures full compatibility with genuine Sharp toner.

drum unit

The drum unit in Toshiba copiers forms the electrostatic image and transfers toner uniformly onto paper. Drum diameter typically ranges from 25 to 30 mm and length from 240 to 330 mm. The drum surface is made of aluminum with OPC or amorphous silicon coating for high light sensitivity and durability. The surface charging voltage is set between –600 and –800 volts. The service life of the drum unit ranges from 70,000 to 150,000 standard prints. Image reproduction accuracy up to 1200 DPI ensures clear and precise output quality.

Structurally, the drum unit includes the drum cylinder, a central shaft with anti-wear bearings, a charge roller, and a cleaning blade. The cleaning blade is made of durable polyurethane to remove excess toner without damaging the drum surface. Installation and replacement are modular and fast. This design ensures uniform image quality, reduced print noise, extended component life, and full compatibility with original Toshiba toner.