Original Language Version
© Jack Sealey Limited
C
P20VPS Issue 1 09/09/21
6. MAINTAINANCE
6.1.
REPLACE THE UPPER SHEAR BLADE
6.1.1.
Insert the battery pack. Remove the blade cover.
6.1.2.
Switch on the tool, and pull the switch trigger to open the upper shearblade fully.
6.1.3.
With the upper shear blade open, switch off the tool and remove the battery pack.
6.1.4.
Remove the hex screw (fig.1.1) near the shear blades with the hex wrench by turning it anticlockwise. Remove the blades tightening
nut (fig.1.2) near the shear blades with a suitable wrench or alike by turning it anticlockwise and take out the washer (fig.1.3).
6.1.5.
Remove two bolts (fig.2.1) near the shear blades with a hexwrench by turning anticlockwise. Remove the head cover (fig.2.2) by
separating the tongue on the head cover from the groove of the housing. Take out the upper shear blade assembly.
6.1.6.
Remove the circlip on the link arm (fig.3.1) with circlip pliers and replace the upper shear blade (fig.3.2) with a new one.
6.1.7.
To install the upper shear blade, perform the removal steps in reverse. When installing the shear blades, pay attention to the following
points:
6.1.8. 1. Apply machine lubricating oil (not included, please see www.sealey.co.uk for more information) on to the shear blade.
6.1.9.
When installing the head cover, align the tongue of the head cover with the groove of the housing.
6.1.10.
M
ake sure all the bolts are securely tightened. After installing the blade, always adjust blade clearance. (Refer to section 7.2)
fig.1
fig.2
fig.3
1
2
3
1
2
2
1
6.2.
LUBRICATING THE SHEAR BLADE
6.2.1.
The shear blades require lubricating every time before using. To apply machine oil (not included, please see www.sealey.co.uk for
more information) on to the shear blades, perform the following steps:
6.2.2.
Insert the battery pack. Remove the blade cover.
6.2.3.
Switch on the tool, and pull the switch trigger to open the upper shearblade fully.
6.2.4.
With the upper shearblade open, switch off the tool and remove the battery pack.
6.2.5.
Remove the hex screw (fig.4.1) near the shear blades with the hex wrench by turning it anticlockwise. Squeeze the oil from the
machine oil bottle into the threaded hole (fig.4.2).
6.2.6.
Reinstall the hex bolt by turning it clockwise.
6.2.7.
Turn on the tool and operate several times to distribute the lubricant evenly.
6.3.
ADJUSTMENT FOR BLADE CLEARANCE
6.3.1.
From time to time, adjust the clearance of the shear blades as follows:
6.3.2.
Insert the battery pack. Remove the blade cover.
6.3.3.
Switch on the tool, and pull the switch trigger to open the upper shearblade fully.
6.3.4.
With the upper shear blade open, switch off the tool and remove the battery pack.
6.3.5.
Loosen the hex screw (fig.5.1) near the shear blades with the hex wrench by turning it anticlockwise (fig.5).
6.3.6.
Adjust the tightness of the blades tightening nut (fig.5.2) with a suitable wrench by turning it clockwise or anticlockwise (fastening
torque for the blade tightening nut: approximately 0.5 Nm).
6.3.7.
Tighten the hex bolt again.
6.3.8.
Check the tightness of the blades whether the blades never rattle or swing sideways. If the blades are too tight or loose, adjust the
clearance again.
fig.4
fig.5
1
2
2
1
