Conical Pitman Arm Puller - OTC - 8150
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Product Information
Full details
The OTC 8150 Conical Pitman Arm Puller is designed for mechanics and DIYers working on domestic cars and light trucks who need to efficiently remove stubborn Pitman arms. Its primary benefit is the secure conical design and powerful forcing screw that simplify this often difficult task, though users should verify compatibility with their specific vehicle's Pitman arm size. Key features include a durable construction, a versatile conical jaw, and a robust forcing screw for maximum leverage.
All features
| Model Part Number | 8150 |
|---|---|
| Brand | OTC |
Extended Product Information
FAQs
What vehicles is the OTC 8150 Pitman Arm Puller compatible with?
The OTC 8150 is designed for Pitman arms on most domestic cars and light trucks. Its 1-1/2 inch spread and 2-1/2 inch reach are suitable for many common applications.
How do I ensure the puller is securely attached?
Position the conical jaws firmly around the base of the Pitman arm, ensuring they are seated on the tapered section. The jaws should fit snugly before you begin turning the forcing screw.
What is the size of the forcing screw?
The forcing screw measures 3/4-16 x 4-3/4 inches.
Can this puller be used on heavy-duty trucks?
While designed for light trucks, its effectiveness on heavy-duty applications depends on the specific size and configuration of the Pitman arm. Always check the spread and reach specifications against your needs.
How should I maintain the puller?
After use, clean the puller and apply a light coat of oil to the forcing screw threads to prevent rust and ensure smooth operation. Store in a dry environment.
What if the Pitman arm is extremely stubborn?
Ensure you have applied penetrating oil and allowed it adequate time to work. Make sure the puller is correctly positioned. Gentle tapping on the forcing screw's end can sometimes help break the seal.
Can I use this puller with other tools?
Yes, the OTC 8150 is designed to be compatible with other OTC pulling systems like Grip-O-Matic pullers, Push-Pullers, and can be used with shop presses.
Troubleshooting
Puller jaws slipping off the Pitman arm.
Ensure the jaws are fully seated and gripping the tapered section of the arm. Re-position the puller for a more secure fit. Check if the Pitman arm is excessively worn or damaged, which might prevent a secure grip.
Forcing screw is difficult to turn.
Apply penetrating oil to the steering sector shaft and the Pitman arm interface. Allow it to soak. Ensure the forcing screw tip is centered on the shaft and not angled. If extremely tight, consider using a breaker bar on the forcing screw head if applicable, or re-apply penetrating oil.
Pitman arm is still not releasing after applying significant force.
Re-apply penetrating oil and allow more soaking time. Ensure the puller is correctly centered and the forcing screw is fully engaged. Consider using a hammer to sharply tap the end of the forcing screw (not the puller body) to help shock the joint loose, but do so with caution to avoid damaging components.
Pros and Cons
Pros
- Securely grips various Pitman arm sizes due to its conical design.
- Powerful forcing screw makes removing stubborn arms easier.
- Durable construction ensures longevity for frequent use.
- Compatible with a wide range of domestic vehicles.
- Can be integrated with other OTC pulling systems.
Cons
- May not fit extremely large or unusually shaped Pitman arms.
- Requires sufficient clearance around the Pitman arm for proper engagement.
- Forceful application may require significant effort, even with the screw.
- Potential for damage to surrounding components if not used carefully.
Setup, Compatibility & Care
Setup: To use the OTC 8150, ensure the vehicle's engine is off and the parking brake is engaged. Position the puller's conical jaws firmly around the base of the Pitman arm, ensuring they are seated securely. Place the forcing screw tip against the end of the steering sector shaft. Turn the forcing screw clockwise to apply pressure.
Compatibility: This puller is designed for Pitman arms on most domestic cars and light trucks. Always visually inspect the Pitman arm and the puller's fit before applying force. Check the spread (1-1/2 inches) and reach (2-1/2 inches) against your specific application.
Care: After each use, clean the puller with a dry cloth to remove grease and debris. Apply a light coat of oil to the forcing screw threads to prevent rust and ensure smooth operation. Store in a dry place. Periodically inspect the jaws and screw for any signs of wear or damage.