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Autojack Heavy Duty Grease Gun - GG500HD

Autojack Heavy Duty Grease Gun - GG500HD

Tired of grease guns that just cannot handle the pressure? It is time to leave second-rate tools b...

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OnBuy.comAutojack Heavy Duty Grease Gun With 10,000 Psi 5060504004206
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AmazonAutojack Blue Heavy Duty Grease Gun 10,000 Psi Lever Action 500Cc Cartridge
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B&QB&Q - Heavy Duty Grease Gun With 10,000 Psi PowerBulk And Cartridge LoadingAir Bleeder ValveFor AutomotiveAgricultural
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eBayHeavy Duty Grease Gun Lever Action 10,000 PSI | Bulk & 400g Cartridge Air Valve
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Product Information

Full details

The Autojack Heavy Duty Grease Gun (GG500HD) is designed for professionals and serious DIYers who require robust performance and durability for demanding maintenance tasks. Its key benefit is delivering consistent, high pressure for efficient lubrication, even in challenging environments. A potential caveat is its heavy-duty construction, which may make it less ideal for very light, occasional use where simplicity is paramount. This grease gun offers a reliable solution for mechanics, farmers, and maintenance experts who need to minimize downtime and ensure critical equipment is properly maintained.

All features

Model Part NumberGG500HD
BrandAutojack

Extended Product Information

FAQs

What is the primary benefit of the Heavy Duty Grease Gun?

Its primary benefit is its ability to deliver high-pressure grease consistently, making it ideal for demanding maintenance tasks on heavy machinery and equipment where other grease guns might fail.

Can I use any type of grease with this gun?

Yes, the Autojack Heavy Duty Grease Gun is compatible with all standard 14 oz (approx. 400g) grease cartridges and can also be loaded with bulk grease.

How do I ensure the best performance from this grease gun?

To ensure optimal performance, use high-quality grease, keep the gun clean, store it properly, and ensure the follower rod and barrel seals are in good condition. Regularly purging air from the system is also crucial.

Is this grease gun suitable for DIY users or only professionals?

While built for professionals demanding durability, its straightforward operation makes it suitable for serious DIY users undertaking regular maintenance on vehicles or equipment. Its robust design offers advantages even for diligent home mechanics.

What maintenance is required for the follower rod?

It is recommended to lubricate the follower rod threads with a light oil occasionally to ensure smooth operation and prevent sticking, especially after cleaning or before prolonged storage.

How often should I replace the grease cartridge?

You should replace the grease cartridge when it is empty. It is advisable to clean the inside of the barrel before inserting a new cartridge to prevent contamination.

What does 'heavy-duty' mean in terms of construction?

Heavy-duty construction implies the use of robust materials and a sturdy design intended to withstand frequent, strenuous use and challenging environmental conditions without compromising function or durability.

Troubleshooting

Grease gun will not prime or build pressure.

Ensure the follower rod is properly engaged with the grease cartridge or bulk grease. Check that the barrel is fully screwed onto the head assembly. Try pumping the follower rod several times to ensure it is seated correctly. If using a new cartridge, ensure air is purged by pushing the follower rod in until resistance is felt, then retract and push again.

Grease is leaking from the barrel seal.

Check that the barrel is securely threaded onto the head assembly. If the leak persists, the O-ring seal on the follower rod may need replacement. Clean the threads on both the barrel and head assembly.

Grease delivery is inconsistent or weak.

Ensure the coupler is firmly attached to the grease fitting. Check the check valve inside the head assembly for debris and clean if necessary. If using bulk grease, ensure it is loaded correctly and free of air pockets.

Coupler will not attach securely to grease fittings.

Inspect the coupler for damage or wear. Clean any debris from the coupler and the grease fitting. Ensure the fitting itself is not clogged or damaged.

Pros and Cons

Pros

  • Exceptional durability for professional use.
  • High-pressure output for efficient lubrication.
  • Suitable for a wide variety of heavy-duty applications.
  • Designed for comfortable and controlled operation.
  • Reliable and consistent grease delivery.

Cons

  • May be over-engineered for very light, occasional tasks.
  • Its robust build might mean a heavier weight compared to lighter models.
  • Requires proper maintenance to ensure peak performance.

Setup, Compatibility & Care

Setup:

  1. Loading Grease: Unscrew the barrel from the head assembly. Extend the follower rod fully. Insert a standard grease cartridge into the barrel, ensuring it sits flush. Alternatively, the barrel can be filled manually with bulk grease. Re-attach the barrel by screwing it onto the head assembly. Retract the follower rod until it engages the grease, then push it in to prime the pump. Release the rod and push it in again to create pressure. Some initial pumping may be required to purge air from the system.

Compatibility:

  • Grease Cartridges: Compatible with all standard 14 oz (approx. 400g) grease cartridges.
  • Bulk Grease: Can be used with bulk grease when loaded directly into the barrel.
  • Fittings: Designed to work with standard grease fittings found on most automotive, agricultural, and industrial equipment.

Care and Maintenance:

  • Cleaning: After each use, wipe down the exterior of the grease gun with a clean, dry cloth. If necessary, use a slightly damp cloth, but ensure no moisture enters the barrel or head assembly. Regularly clean the coupler and tip.
  • Storage: Store the grease gun in a clean, dry place away from direct sunlight and extreme temperatures. It is recommended to release pressure from the gun when storing for extended periods.
  • Lubrication: Occasionally lubricate the follower rod threads with a light oil to ensure smooth operation. Periodically check and clean the check valve if experiencing issues with priming or pressure.
  • Cartridge Replacement: When replacing a grease cartridge, ensure the barrel is clean before inserting the new one. Purge any air from the system as described in the setup instructions.

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