VEVOR LD-801 Pneumatic Grease Gun User Manual

: June 2, 2024
: VEVOR

Table of Contents

IMPORTANT INFORMATION
GENERAL SAFETY RULES
MODEL AND PARAMETERS
STRUCTURE DIAGRAM
COMPONENTS
TROUBLESHOOTING
MAINTENANCE
CUSTOMER SUPPORT
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

VEVOR LD-801 Pneumatic Grease Gun

VEVOR LD-801 Pneumatic Grease Gun

IMPORTANT INFORMATION

We continue to be committed to provide you tools with competitive price. “Save Half”, “Half Price” or any other similar expressions used by us only represents an estimate of savings you might benefit from buying certain tools with us compared to the major top brands and doses not necessarily mean to cover all categories of tools offered by us. You are kindly reminded to verify carefully when you are placing an order with us if you’re actually saving half in comparison with the top major brands.

NEED HELP? CONTACT US!
Have product questions? Need technical support? Please feel free to contact us:
CustomerService@vevor.com

This is the original instruction, please read all manual instructions carefully before operating. VEVOR reserves a clear interpretation four user manual. The appearance of the product shall be subject to the product you received. Please forgive us that we won’t inform again there are any technology or software updates on our product.

GENERAL SAFETY RULES

WARNING: Read and understand all instructions. Failure to follow all instructions listed below may result in serious injury.
Various dangers may occur if the grease gun is improperly handled during installation, commissioning and daily operation.
Risk of injury and damage to material property because of improper handling.
Hold the manual at the disposal of the operating staff at the usage site of the unit.
Country-specific safety measures and accident prevention regulations must be observed.
Only qualified and authorized persons are allowed to operate the grease gun.
Persons are qualified if they are, due to their training, experience, instruction and knowledge of the relevant standards, able to assess assigned tasks and to identify potentially hazardous situations. All persons charged with installation, operation, maintenance and repair work, must have read and understood this operation instructions.
Always wear safety glasses when using a grease gun. Keep work area clean and remove any excess grease from tools, hands, and clothing after use. Do not use grease gun whip hose for other applications or at pressure levels above rated pressures.

CAUTION: Excess pressure can result in the bursting of the grease gun head and of accessories!
Excess pressure at the greasing point can damage the grease nipple and even the machine.
Comply with the machine manufacturer‘s maintenance and service instructions.
Disconnect the compressed air line supply before servicing the Gun.
Defective accessories can lead to personal injury and material damage. Grease hoses must not be kinked, twisted or stretched.
During their period of use, accessories must be checked for wear,cracks, and other damage.
Defective accessories should be replaced immediately.
Do not open the grease gun when it is under pressure!
Every time that the grease gun head and barrel are to be separated, the push rod must be fully retracted and automatically locked by means of the safety catch.
Excess pressure can result in the bursting of the grease gun head and of Equipment.
SAVE THESE INSTRUCTIONS.

MODEL AND PARAMETERS

Model	LD-801
Capacity	400CC
Maximum Pressure	6000 PSI
Grease gun discharge connection	NPT 1/8
Grease Filling Options	Cartridge Loading

Suction Fill
Material| Steel+Aluminium Alloy
Color| Silver
Air Inlet Pressure| 0.6~0.8Mpa

STRUCTURE DIAGRAM

Quick Coupler Air Fitting
Pumping Chamber
Barrel
Plunger Rod Handle
Safety Catch
Trigger

COMPONENTS

Mode / Parts	LD-801
Grease Gun	1
Grease Hose	1
Bent Metal Pipe	1
Coupler	1
Pointed Coupler	1
Locking Clamp Coupler	1
User Manual	1

Step 1 Hold the head of the grease gun and unscrew the barrel.
Operating Instructions
Step 2 Pull back the plunger rod handle and fill the barrel with grease.

Grease filling options:

Cartridge Loading: Remove the plastic cap from the cartridge and insert the open end of the cartridge into the grease gun barrel until the rim of the pull-tab end meets the rim of the barrel.
Suction Fill: Insert the open end of the barrel about 2” into the grease container.Slowly pull the plunger rod handle to draw in grease into the empty barrel while pushing the barrel deeper into the grease until the plunger rod is completely extended.The outside surface may have a lot of grease stuck to it and should be wiped clean for safety.

Step 3 Assemble the barrel back into the grease gun.Activate the safety catch and push the push rod back into the Barrel.
Operating Instructions
Step 4 Exhaust air by pressing the air release valve or loosening the gun head and barrel (half a turn maximum).
Step 5 Install the required fittings as required as shown below. (Fig 1,Fig 2)

Note: If necessary, wrap 3~5 loops of raw material tape around the joint.
Step 6 Attach the male quick connect coupler air fitting supplied with the gun onto the air inlet. Make sure the connection is tight so that there is no leakage of air.Press the trigger repeatedly for grease filling.

NOTE:
The male quick connect coupler air fitting has 1/8” NPT threads.

Air Supply: Dry air is needed to operate this gun. Make sure FRL (Filter, Regulator, and Lubricator) unit is installed in airline. Moisture in the air will damage the grease gun.Inlet air supply should have a pressure between 0.6~0.8 M pa.

This is a one shot grease gun, whereby there is grease discharge with every press of the trigger.
Do not keep the trigger pressed during operation. The trigger must be repeatedly pressed and released while greasing. Also, do not repeat the action too fast, as the piston needs to complete a full cycle before starting a new one.

Step 7: Press the coupler straight onto the grease fitting,Start operating the handle for grease filling.
Once greasing is done, slightly tilt the coupler, twist and pull back. The tilt and twist action will allow easy removal of the coupler from the grease fitting.
Operating Instructions

TROUBLESHOOTING

Problem	Possible Cause	Possible Solution
Grease gun pumps little or no grease	Air is trapped in grease	Empty air
Blocked hose	Clean or replace the hose
Grease too thick or cold	Store grease gun and grease away from extreme cold

or use thinner grease
Excessive grease leaks out from the back side of the grease gun around the plunger rod| Rubber follower is damaged| Replace the grease gun
Grease leaks from the connection between the grease gun head & the extension or between extension & coupler| Loose connection| Tighten the connection using raw material tape

MAINTENANCE

Before each use, inspect general condition of Grease Gun. Check for cracked or damaged parts, misaligned or bending of moving parts, leaking connections, and any other condition that may affect product’s safe operation. If a problem occurs, have the problem corrected before further use.Do not use damaged equipment.
After every use, dry with a soft cloth, remove all grease and debris from Grease Gun. Do not use solvents to clean or immerse in any liquids.
When storing, keep in a clean, dry and safe location away from children.
Like all air equipment, this grease gun needs regular lubrication. To lubricate, add a few drops of oil through the air inlet on the grease gun. It is recommended to use SAE 30 or higher viscosity oil.
All maintenance, service, and repairs not discussed in manual should only be performed by qualified service technician.