Draper Heavy Duty Lever Grease Gun - 500cc
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Product Information
Full details
This Draper Heavy Duty Lever Grease Gun is designed for professionals and serious DIYers who need to apply grease efficiently in demanding agricultural, automotive, or industrial environments. Its robust construction and high-pressure capability ensure smooth, consistent grease delivery for bulk loading or cartridge use, though its heavy-duty nature may make it less ideal for very light-duty or frequent, low-volume tasks.
All features
| Model Part Number | 47809 |
|---|---|
| Brand | Draper |
Extended Product Information
FAQs
What is the maximum working pressure of this grease gun?
The safe working pressure for this Draper Heavy Duty Lever Grease Gun is 62 Mpa, which is equivalent to approximately 9000 psi.
Can I use any type of grease with this gun?
This gun is designed for stiff, medium, or heavy greases, making it suitable for most common industrial, automotive, and agricultural lubrication needs.
How do I perform bulk loading?
Unscrew the barrel, pull the plunger rod completely out, and use the rod to suck grease into the barrel. Ensure the barrel is clean before filling.
What does the air release valve do?
The air release valve allows you to purge any trapped air from the grease gun's barrel and delivery system. This ensures consistent grease flow and prevents pressure loss.
Is the delivery tube replaceable?
Yes, the delivery tube is typically replaceable, and the connection thread is a standard 1/8" BSPT, allowing for compatibility with other standard fittings.
How often should I clean the grease gun?
It is recommended to wipe down the exterior after each use. Periodically clean the inside of the barrel, especially when changing grease types or if the gun has been stored for an extended period.
Troubleshooting
Grease gun not dispensing grease
Ensure the plunger is fully engaged. Check if the gun is loaded with grease. If using a cartridge, ensure the follower is removed. If air is suspected, operate the air release valve. Verify the delivery tube and hydraulic connector are not blocked.
Grease leaks from plunger rod
The plunger seal may be worn or damaged. Inspect the seal and replace if necessary. Ensure the barrel is clean and free from abrasive material.
Difficult to operate the lever
The grease may be too stiff for the ambient temperature, or the gun may require priming. Try warming the grease. Ensure the air release valve is functioning and purge any trapped air. Check for blockages in the delivery line.
Air trapped in the system
Operate the air release valve located on the barrel head until grease begins to flow steadily. You may need to cycle the lever a few times after purging air.
Pros and Cons
Pros
- Durable construction for demanding applications
- High-pressure output for effective lubrication
- Multiple loading options provide flexibility
- Includes necessary accessories for immediate use
- Suitable for a wide range of automotive, agricultural, and industrial tasks
Cons
- May be heavier or bulkier than lighter-duty models
- Requires sufficient force for operation due to heavy-duty spring
- Not designed for precision, low-volume greasing tasks
- Requires an air release procedure for optimal performance
Setup, Compatibility & Care
Setup:
- Loading Grease: The gun can be loaded using a standard 14.5 oz (approx. 400g) grease cartridge, by suction filling, or bulk loading.
- *For Cartridge Loading*: Unscrew the barrel, insert the cartridge, remove the cartridge follower, and screw the barrel back on.
- *For Bulk/Suction Loading*: Unscrew the barrel, pull the plunger fully out, and use it to draw grease into the barrel.
- Priming: Once loaded, operate the lever several times until grease begins to flow. If air is present, operate the air release valve briefly to purge it.
- Connecting: Attach the hydraulic connector to the lubrication point.
Compatibility:
- Grease Types: Suitable for stiff, medium, and heavy greases.
- Fittings: Compatible with standard grease fittings and features a 1/8" BSPT threaded connection for the delivery tube.
Care:
- Cleaning: After each use, wipe the exterior of the grease gun with a clean, dry cloth. Store in a clean, dry environment.
- Maintenance: Periodically check the plunger seal and ensure the air release valve functions correctly. If the gun becomes difficult to operate, ensure the barrel is clean and free of debris.
- Storage: Store with the plunger rod pushed in to maintain a slight internal pressure and prevent air ingress. Avoid storing in freezing conditions.