1. Introduction and Safety Information
This manual provides essential instructions for the safe and efficient operation, installation, and maintenance of your Hitachi PS975GJ COG 6 kg Top Load Washing Machine. Please read this manual thoroughly before using the appliance and retain it for future reference.
Important Safety Instructions
- Always ensure the power supply matches the voltage specified on the appliance (220 Volts).
- Do not operate the washing machine if the power cord is damaged or if the appliance is malfunctioning.
- Keep children and pets away from the appliance during operation.
- Do not wash items that have been soiled with flammable substances.
- Ensure the machine is properly grounded to prevent electric shock.
- Always unplug the appliance before cleaning or performing any maintenance.
2. Product Overview and Components
The Hitachi PS975GJ COG is a semi-automatic, top-loading washing machine designed for residential use. It features a 6 kg wash capacity and a 4.5 kg dry capacity, with a maximum spin speed of 1450 RPM.

Figure 2.1: Front view of the Hitachi PS975GJ COG Top Load Washing Machine. This image shows the overall design, including the top-loading lid and control panel.
Key Components:
- Wash Tub: Stainless steel tub for washing clothes.
- Spin Tub: Separate tub for spinning clothes to remove excess water.
- Control Panel: Features knobs for wash timer, wash program, and spin timer.
- Lid: Top-loading lid for accessing the wash and spin tubs. Includes a dust protection cover.
- Water Inlet: Connection point for water supply.
- Drain Hose: For discharging water after washing/spinning.
- Nano Titanium Filter: Integrated filter for air drying.
3. Setup and Installation
Proper installation is crucial for the safe and efficient operation of your washing machine. This appliance is designed as a freestanding unit.
Unpacking:
- Carefully remove all packaging materials.
- Inspect the machine for any damage incurred during transit. Report any damage to your retailer immediately.
- Ensure all accessories are present.
Location:
- Place the washing machine on a firm, level surface to minimize vibration and noise.
- Avoid direct sunlight or areas with high humidity.
- Ensure adequate ventilation around the machine.
Water and Drain Connections:
- Connect the water inlet hose to a cold water tap with a standard thread. Ensure a tight connection to prevent leaks.
- Position the drain hose to allow for proper water discharge. The drain hose should be placed at a height that allows gravity to drain the water effectively, typically into a sink or standpipe.
Electrical Connection:
- Plug the power cord into a grounded 220 Volt electrical outlet.
- Do not use extension cords or adapters.
4. Operating Instructions
The Hitachi PS975GJ COG is a semi-automatic washing machine, requiring manual transfer of clothes between the wash and spin tubs.
Washing Procedure:
- Load Clothes: Open the top lid and place up to 6 kg of dry laundry into the wash tub. Do not overload.
- Add Water: Fill the wash tub with water to the desired level, considering the load size.
- Add Detergent: Add the appropriate amount of detergent according to the detergent manufacturer's instructions.
- Select Wash Program: Turn the wash program knob to select the desired wash cycle (e.g., Gentle, Normal, Strong).
- Set Wash Timer: Turn the wash timer knob to set the washing duration. The machine features a soak timer for pre-soaking clothes.
- Start Washing: The machine will begin its bi-directional wash action.
- Drain Water: Once the wash cycle is complete, drain the water from the wash tub using the drain selector.
- Rinse: You may rinse clothes in the wash tub by refilling with clean water and running a short wash cycle, or by transferring to the spin tub for rinse spinning.
Spinning Procedure:
- Transfer Clothes: After washing and rinsing, transfer the clothes from the wash tub to the spin tub. Distribute them evenly.
- Close Lid: Ensure the spin tub lid is securely closed.
- Set Spin Timer: Turn the spin timer knob to set the desired spinning duration. The maximum spin speed is 1450 RPM.
- Start Spinning: The machine will begin spinning to remove excess water.
- Remove Clothes: Once the spin cycle is complete, open the lid and carefully remove the spun clothes.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your washing machine.
Cleaning the Exterior:
- Wipe the exterior surfaces with a soft, damp cloth.
- Do not use abrasive cleaners or solvents.
Cleaning the Nano Titanium Filter:
- Locate the Nano Titanium filter, typically found within the wash tub or spin tub.
- Remove the filter and clean any lint or debris under running water.
- Reinsert the filter securely. Clean regularly to maintain air drying efficiency.
Drain Hose Maintenance:
- Periodically check the drain hose for blockages or kinks.
- Ensure it is free from debris to allow for proper water drainage.
6. Troubleshooting
Before contacting service, please refer to the following common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine does not start | Power cord not plugged in; Power outage; Lid not closed properly. | Check power connection; Check circuit breaker; Ensure lid is fully closed. |
| Water does not drain | Drain hose kinked or blocked; Drain selector not set correctly. | Straighten drain hose and clear blockages; Set drain selector to 'Drain'. |
| Excessive vibration/noise | Machine not level; Uneven load in spin tub. | Adjust leveling feet; Redistribute clothes evenly in the spin tub. |
| Poor washing results | Too much or too little detergent; Overloading; Incorrect wash program. | Adjust detergent amount; Reduce load size; Select appropriate wash program. |
7. Specifications
Detailed technical specifications for the Hitachi PS975GJ COG washing machine.
- Brand Name: Hitachi
- Model Information: PS975GJ COG
- Wash Capacity: 6 Kilograms
- Dry Capacity: 4.5 Kilograms
- Maximum Spin Speed: 1450 RPM
- Installation Type: Freestanding
- Part Number: PS975GJ COG
- Color: Grey
- Control Type: Knob
- Loading Type: Top Load
- Voltage: 220 Volts
- Material Type: Stainless Steel
- Included Components: None
- Batteries Required: No
- Diameter (Component/Detail): 16 Centimeters (Note: This measurement may refer to a specific internal component or detail, not the overall machine dimensions.)
- Product Weight: 16 Kilograms
- First Available Date: November 21, 2019
- Cycle Options: Spin
- Recommended Use: Residential
- Operating Mode: Semi-Automatic
8. Warranty and Support
For warranty information and customer support, please refer to the warranty card included with your purchase or contact Hitachi customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
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