K57-01 Dual Action Air Operated Grease Gun
Product Information
Model Numbers:
- K57-01 (450g BSP)
- K58-01 (400g BSP)
- K58-02 (400g NPT)
Product Name: Dual Action Air Operated Grease Gun
Description: The Macnaught Dual Action Air Operated Grease Gun
is a patented grease gun that can be used as both a single shot and
continuous flow grease gun. It is suitable for bulk, cartridge, or
grease pump filling with greases up to and including NLGI No.2
consistency.
Product Usage Instructions
Safety Information
Before using the product, please note the following safety
precautions:
- Always disconnect the air supply before servicing.
- Exercise caution when unscrewing the barrel or pull handle, as
the large follower spring inside the barrel is energized. - Use appropriate personal protective equipment (PPE) such as
safety glasses, protective gloves, and safety shoes when handling
or using the product. - Continual use of this product can potentially cause repetitive
strain injury (RSI), especially hand or arm injury. - Do not modify or alter the product in any way.
- Avoid direct contact of any body part with the fluid
outlet. - Never point the material outlet of the product at yourself or
anyone else. - Only physically fit individuals should be authorized to use
this product. - Clean up any fluid spillage immediately to prevent slipping or
injury. - Only use genuine Macnaught replacement parts for repairs.
Selecting Follower Position
Refer to Figure 1 for the correct follower
position.
Bulk Fill by Suction
Follow these steps to bulk fill the grease gun by suction:
- Select the correct follower position (see Figure
1). - Lock the follower (see Figure 2).
- Unscrew the barrel from the gun body 2 to 3 turns.
- Pull the rod back and retain it in the barrel slot (see
Figure 3). - Unscrew the barrel from the gun body completely.
- Release the follower rod from the barrel slot.
- Insert the open end of the barrel into the grease, slowly pull
the rod back, and simultaneously push the barrel into the grease.
Pull back the rod until the groove appears, then push the rod into
the barrel slot. - Wipe clean and screw the gun body assembly onto the
barrel. - Unlock the follower rod from the barrel and apply light
pressure on the pull handle (see Figure 5).
Simultaneously, press the ball in the filler bleeder until grease
appears. - Connect the air and pull the trigger several times. If grease
does not appear at the coupler, repeat step 8. - Unlock the follower rod and push it into the barrel.
Note: If the gun fails to deliver grease, refer to the
Troubleshooting Guide on page 3.
Figure 1:
Figure 2:
Figure 3:
Bulk Fill with a Macnaught J3 Grease Pump
Follow these steps to bulk fill the grease gun using a Macnaught
J3 Grease Pump:
- Select the correct follower position (see Figure
1). - Lock the follower rod (see Figure 2).
- Slide the filler bleeder valve into the nozzle on the
pump. - Fill with grease until the groove in the rod is visible at the
end of the barrel. - Repeat steps 8, 9, and 10 from the previous section (Bulk Fill
by Suction).
Installing a Cartridge
Follow these steps to install a cartridge:
- Select the correct follower position (see Figure
1). - Repeat steps 1 and 2 from the previous section (Bulk Fill by
Suction). - Pull the follower rod back until the rod groove can be pulled
into the barrel slot. - Remove the large end cap from the cartridge.
- Slide the large open end of the cartridge into the barrel.
- Remove the small end cap from the cartridge.
- Screw the gun body assembly onto the barrel.
- Repeat steps 8, 9, and 10 from the previous section (Bulk Fill
by Suction).
Models K57-01 (450g BSP K58-01 (400g BSP) K58-02 (400g NPT)
DUAL ACTION AIR OPERATED GREASE GUN
INSTRUCTION MANUAL
DAAGG Issue © 2022
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INTRODUCTION
Thank you for purchasing a Macnaught Dual Action Air Operated Grease Gun
The patented Macnaught dual action grease gun is both a single shot and continuous flow grease gun, suitable for bulk, cartridge or grease pump filling with greases up to and including NLGI No.2 consistency.
Please read and retain this instruction sheet to assist you in assembly and maintenance of this product.
SAFETY INFORMATION
CAUTION
* Always disconnect the air supply before servicing.
* Caution must be observed when either unscrewing the barrel or unscrewing the pull handle from the follower rod as the large follower spring inside the barrel is energised
* Macnaught recommends the use of PPE equipment such as safety glasses, protective gloves, safety shoes etc before handling or using this product.
* Continual use of this product can potentially cause RSI injury (especially hand or arm injury)
* Do not modify or alter this product any way
* Never allow any part of the human body come in direct contact with the fuid outlet
* Never point the material outlet of the product at yourself or anyone else.
* Only physically fit people should be authorised to use this Product
* Ensure that any fluid spillage is cleaned up immediately to prevent slipping or injury.
* Only use genuine Macnaught replacement parts when repairing this product
SELECT FOLLOWER POSITION
Note: Refer to Fig 1 for the correct follower position.
How to select Follower position
HOW TO BULK FILL BY SUCTION
Note: Select the correct follower position (see Fig 1).
1) Lock follower (Fig 2).
2) Unscrew the barrel from the gun body 2 to 3 turns.
3) Pull the rod back and retain in barrel slot (Fig.3)
4) Unscrew the barrel from the gun body.
5) Release the follower rod from the barrel slot.
6) Insert the open end of the barrel into the grease, pull the rod back slowly, and at the same time push the barrel into the grease. Pull back the rod until the groove in the rod appears then push the rod into the barrel slot.
7) Wipe clean and screw the gun body assembly onto the barrel.
8) Unlock the follower rod from the barrel and apply light pressure on the pull handle (Fig.5), at the same time press the ball in the filler bleeder until grease appears.
9) Connect the air and pull the trigger several times. If grease does not appear at the coupler repeat step 8.
10) Unlock the follower rod and push the rod into the barrel.
Note: Should the gun fail to deliver grease refer to the Trouble Shooting Guide on page 3.
DAAGG Issue © 2022
(Fig 1)
(Fig 2)
(Fig 3)
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BULK FILL WITH A MACNAUGHT J3 GREASE PUMP
Note: Select the correct follower position ( Fig 1).
1) Lock the follower rod (Fig 2). 2) Slide the filler bleeder valve into the nozzle on the pump 3) Fill with grease until the groove in the rod is visible at the end of the barrel. 4) Repeat steps (8), (9), (10) refer (How to bulk Fill).
HOW TO INSTAL A CARTRIDGE
Note: Select the correct follower position (Fig 1).
Repeat steps (1) to (2) above 1) Pull the follower rod back until the rod groove can be pulled into the barrel slot. 2) Remove the large end cap from the cartridge. 3) Slide the large open end first into the barrel. 4) Remove the small end cap from the cartridge. 5) Screw the gun body assembly onto the barrel. 6) Repeat steps (8), (9), (10) as above.
OPERATING INSTRUCTIONS
SINGLE SHOT For single shot operation, press button (7) to move the slider (6) forward as shown in fig 4
Press button for single shot operation
(Fig 4)
CONTINUOUS FLOW For continuous mode operation, slide the slider (6) back as shown in fig 5
Slide backwards for continuous mode
(Fig 5)
INSTALLATION
* Use P.T.F.E. tape while connecting the thread joints
* Fill the grease gun with grease and remove the trapped air by unscrewing the filler bleeder valve (5)
* Connect the air hose to the inlet valve (4) and start the air supply
COUPLER REMOVAL
DAAGG Issue © 2022
(Fig 6)
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PARTS DIAGRAM
PARTS DIAGRAM
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PARTS LIST
Ref No
Part Description
Qty
1 Body
1
2 Grease gun head
1
3 Grease gun barrel
1
4 Inlet valve
1
5 Filler / bleeder valve
1
6 Slider
1
7 Button
1
8 Plunger handle
1
9 Trigger
1
10 Flexible extension
1
11 Grease coupler
1
DAAGG Issue © 2022
AVAILABLE SPARE PARTS
Gun head service kit Barrel assembly (400g) Barrel assembly (450g) Follower assembly (400g) Follower assembly 450g) Flexible extention (BSP) Flexible extension (NPT) (-02 model) Coupler (BSP) Coupler (NPT) (-02 model)
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TROUBLE SHOOTING GUIDE
PROBLEM Grease gun pumps little or no grease
Excessive grease leaking past follower Gun cycles very slowly If gun does not operate
CAUSE
Barrel not tight
Air pockets in grease Blocked flexible extension or coupler Grease is too tick or too cold
Follower is damaged
Damaged head/barrel seal Inadequate lubrication in the air cylinder chamber
SOLUTION
Tighten barrel
Bleed air from gun Clean or replace extension or coupler Use thinner grease or warm grease
Replace follower
Replace seal Put a few drops of light oil through the air inlet valve Contact closest authorised service centre
SPECIFICATIONS
Output Pressure up to Pressure Ratio Flow Rate Single shot Continuous Flow Air pressure Optimum Air Pressure Air Inlet Air Consumption
6,000 PSI (413 bar) 45:1 ratio
up to 0.90 gm/shot (1.3 oz /40 strokes) up to 400 gm/min (14 oz/min) 40-120 PSI (3-9 BAR) 90 PSI (6.2 BAR) 1/4 “(F) 1 cfm / 0.026 cbm
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NOTES:
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NOTES:
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Note: This product should be disposed of according to all applicable local and national government environment regulations and guidelines.
For Warranty Terms and Conditions see macnaught.com.au For a list of Australian Service Centres see macnaught.com.au
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