Part number 800-694A is a gear box assembly that houses the reduction gears and bearings which transmit power from the motor to the pump on the PowrTex 1200SF airless sprayer. This precision‑engineered assembly ensures smooth, efficient power transfer, proper speed reduction, and quiet operation. Replacing a worn, damaged, or noisy gear box restores reliable drive performance and prevents further damage to the motor and pump.
| Part Number | 800-694A |
|---|---|
| Part Description | Gear Box Assembly |
| Brand | PowrTex |
| Fits |
|
| Condition | New |
The 800-694A Gear Box Assembly is a critical drivetrain component that transfers mechanical power from the electric motor to the pump on the PowrTex 1200SF sprayer. It contains precision‑cut gears and bearings designed to reduce motor speed while increasing torque, enabling the pump to generate high fluid pressures required for airless spraying.
Over time, gear boxes can experience wear due to high loads, inadequate lubrication, or contamination. Symptoms include unusual grinding or whining noises, vibration, reduced pump performance, or oil leaks. Replacing the complete gear box assembly restores smooth, efficient power transmission and prevents further damage to the motor and pump.
| Power transmission | Transfers motor power to the pump at reduced speed and increased torque |
|---|---|
| Speed reduction | Gears reduce motor RPM to optimal pump drive speed |
| Load support | Bearings support rotating shafts and absorb thrust loads |
| Noisy operation | Grinding, whining, or knocking sounds from gear box |
|---|---|
| Vibration | Excessive vibration during operation |
| Oil leaks | Visible lubricant leakage from seals or housing |
| Reduced performance | Pump runs slowly or erratically due to gear slippage or wear |
Part number 800-694A is specifically designed for the PowrTex 1200SF airless sprayer. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Brand | Model |
|---|---|
| PowrTex | 1200SF |
Gear box issues may involve associated components. When servicing the gear box assembly on your PowrTex 1200SF, these parts are commonly inspected or replaced at the same time.
The coupling between motor and gear box may be worn; inspect and replace if damaged.
Check for wear at the pump input where the gear box connects.
Bolts and vibration dampers may need replacement if gear box failure caused excessive movement.
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