background image

 

HG20F-012KMM_inst_ Issue 1 © 2023

  

Before every use check all hoses for signs of wear, 

leaks or loose fittings. Tighten all fluid connections 

regularly and replace weak or damaged hoses. 

ASSEMBLY 

Use Teflon tape (or suitable thread sealant ) when 

connecting the oil control gun to an oil hose. 

OUTLET NOZZLE OPERATION 

When fluid flows through the gun the outlet nozzle will  

automatically open. When the fluid flow stops the outlet 

nozzle will automatically shut. 

HANDLE OPERATION 

To latch the handle, squeeze the lever, push the button  

and then release lever. 

To release the latch in manual mode simply squeeze and 

release lever. 

CONTROL HANDLE DISASSEMBLY 

Use a clean bench to carry out maintenance.

 

A) Remove the oil hose from the control gun inlet swivel 

(10).

 

B)

 

Unscrew and remove swivel (10) washer and o’ring   

from the control gun inlet. (Clean or replace the swivel 

strainer  and o’ring if required).

 

The swivel is under spring tension 

C) Remove valve spring (9), seal/valve body assembly (8). 

and plunger  (7). 

D) Remove the screw (15), then unclip and remove the 

trigger guard (16). 

LEVER and VALVE REMOVAL 

A) Using a 2.5mm allen key, remove the 2 handle screws

(2). 

 

B) Remove lever (11), ease downwards. 

C) Remove the washer (5), “O”Ring (3), then push the 

valve cam (4) from the gun body (6), and remove “O”Ring 

(3).

 

Note:

 If the plunger has not been removed the cam will not 

release from the body. 

CONTROL HANDLE REASSEMBLY  

A) Clean and inspect all parts. Replace any suspect, 

     worn or damaged components. 

Note:

 Lightly lubricate the valve cam before assembly. 

B) Place “O”Ring (3) onto valve cam (4). 

Note: 

The cut out section in the middle of the valve cam 

(4) must face the inlet swivel (10).  

C) Replace the valve cam (4)  into the body (6). Note the 

orientation shown on the assembly drawing. Fit

 

the 

second “O”Ring

 

(3) and washer (5).

 

D) Slide lever assembly (11) into position and replace the 

two Allen screws (2). (Use Loctite or similar sealant). 

E) Replace plunger (7). 

Note: 

The end hole in the plunger must face the gun 

outlet.

 

F)  Replace  the  seal/valve  body  assembly  (8),  and                 

spring (9) and replace into the gun body (6). 

Note:

 Install the spring, small end first.  

G) Re-fit the trigger guard (16) and replace screws (15) 

H) Replace washer, o’ring on to the swivel assembly (10), 

and screw firmly into place (Use Loctite or similar 

sealant).

 

Note: 

After assembly ensure the handle latch is operating 

correctly. 

Before carrying out any maintenance disconnect the 

air supply to the pump and release the fluid pressure 

in the system by pressing the lever on the control gun.  

 CAUTION 

 CAUTION 

IM012KMM METER INSTRUCTIONS 

RESET BUTTON 

The 

RESET

 button allows you to reset the Reset Total to 

zero. 

Ensure the fluid supply to the meter is disconnected 

and the line pressure is released before disassembly. 

 CAUTION 

Never exceed the pressure rating of any component 

installed in the System.  

DISSASSEMBLY and REASSEMBLY 

The IM012KMM flow meter can be easily disassembled 

without having to separate the body from the installation. 

MEASURING CHAMBER 

To access the measuring chamber: 

 

A) 

Remove the rubber shroud 

B) 

Unscrew the 6 screws located under the meter 

body 

C) 

Remove the lid 

D) 

Remove the gasket and oval disk 

E) 

Remove the gears 

Note: Reassembly is the reversal of disassembly   

           taking particular care to: 

 

1) 

Check gasket seals for damage and replace if  

            required. 

2) 

Lubricate and carefully install the gasket seal 

3) 

Replace and tighten screws correctly 

4) 

Hold the meter with the inlet facing down, and place 

the outlet gear on the right hand side of the meter. 

5) 

Check that the gears are turning correctly 

6) 

Fit the lid to the top of the chamber ensure that the 

gears on lid correspond with that on the chamber 

outlet. 

Отзывы: